The present disclosure relates to lock cores and in particular to interchangeable lock cores having an electro-mechanical locking system.
Small format interchangeable cores (SFIC) can be used in applications in which re-keying is regularly needed. SFICs can be removed and replaced with alternative SFICs actuated by different keys, including different keys of the same format or different keys using alternative key formats such as physical keys and access credentials such as smartcards, proximity cards, key fobs, cellular telephones and the like.
In embodiments, an interchangeable electro-mechanical lock core for use with a lock device having a locked state and an unlocked state is provided. The interchangeable electro-mechanical lock core may include a moveable plug having a first position relative to a lock core body which corresponds to the lock device being in the locked state and a second position relative to a lock core body which corresponds to the lock device being in the unlocked state. The interchangeable electro-mechanical lock core may include a core keeper moveably coupled to a lock core body. The core keeper may be positionable in a retain position wherein the core keeper extends beyond an envelope of lock core body to hold the lock core body in an opening of the lock device and a remove position wherein the core keeper is retracted relative to the retain position to permit removal of the lock core body from the opening of the lock device.
In an exemplary embodiment of the present disclosure, an interchangeable electro-mechanical lock core for use with a lock device having a locked state and an unlocked state is provided. The lock device including an opening sized to receive the interchangeable lock core. The interchangeable lock core comprising a lock core body having a front end and a rear end; a moveable plug positioned within an interior of the lock core body proximate a rear end of the lock core body, the moveable plug having a first position relative to the lock core body which corresponds to the lock device being in a locked state and a second position relative to the lock core body which corresponds to the lock device being in the unlocked state, the moveable plug being rotatable between the first position and the second position about a moveable plug axis; a core keeper moveably coupled to the lock core body, the core keeper being positionable in a retain position wherein the core keeper extends beyond the envelope of the lock core body to hold the lock core body in the opening of the lock device and a remove position wherein the core keeper is retracted towards the lock core body relative to the retain position; an operator actuatable assembly supported by the lock core body and including an operator actuatable input device positioned forward of the front end of the lock core body; an electro-mechanical control system which in a first configuration operatively couples the operator actuatable input device of the operator actuatable assembly to the moveable plug and in a second configuration uncouples the operator actuatable input device of the operator actuatable assembly from the moveable plug; and an actuator accessible from an exterior of the lock core body. The actuator operatively coupled to the core keeper independent of the moveable plug to move the core keeper from the retain position to the remove position.
In an example thereof, the actuator is a mechanical actuator. In another example thereof, the actuator is completely internal to the lock core body. In a variation thereof, the actuator is accessible through an opening in the lock core body. In a further example thereof, the operator actuatable input device blocks access to the opening in the lock core body when the operator actuatable input device is coupled to the lock core body.
In yet a further example thereof, the interchangeable electro-mechanical lock core further comprises a control sleeve. The moveable plug being received by the control sleeve. The core keeper extending from the control sleeve. The actuator being operatively coupled to the control sleeve independent of the core keeper. In a variation thereof, the control sleeve includes a first partial gear and the actuator includes a second partial gear, the first partial gear and the second partial gear are intermeshed to operatively couple the actuator to the core keeper.
In yet a further example thereof, the electro-mechanical control system includes a first blocker which is positionable in a first position wherein the actuator is incapable of moving the core keeper from the retain position to the remove position and a second position wherein the actuator is capable of moving the core keeper from the retain position to the remove position. In a variation thereof, the electro-mechanical control system includes an electronic controller, a motor driven by the electronic controller, a power source operatively coupled to the motor, and a clutch positionable by the motor in a first position to engage the moveable plug in the first configuration of the electro-mechanical control system and in a second position disengaged from the moveable plug in the second configuration of the electro-mechanical control system. In another variation thereof, each of the electronic controller, the motor, and the power source are supported by the operator actuatable assembly. In a further variation thereof, the first blocker is positionable by the clutch. In yet another variation thereof, the first blocker is carried by the clutch. In still another variation thereof, with the first blocker in the second position, the actuator is to be moved in two degrees of freedom to move the core keeper from the retain position to the remove position. In still a further yet variation, the two degrees of freedom include a translation followed by a rotation.
In yet another example thereof, the electro-mechanical control system includes an electronic controller executing an access granted logic to determine whether to permit or deny movement of the first.
In another exemplary embodiment of the present disclosure, an interchangeable lock core for use with a lock device having a locked state and an unlocked state is provided. The lock device including an opening sized to receive the interchangeable lock core. The interchangeable lock core comprising a lock core body having an interior, the lock core body including an upper portion having a first maximum lateral extent, a lower portion having a second maximum lateral extent, and a waist portion having a third maximum lateral extent, the third maximum lateral extent being less than the first maximum lateral extent and being less than the second maximum lateral extent, the lower portion, the upper portion, and the waist portion forming an envelope of the lock core body, the lock core body having a front end and a rear end opposite the front end, the front end including a front face; a moveable plug positioned within the interior of the lock core body proximate the rear end of the lock core body, the moveable plug having a first position relative to the lock core body which corresponds to the lock device being in a locked state and a second position relative to the lock core body which corresponds to the lock device being in the unlocked state, the moveable plug being rotatable between the first position and the second position about a moveable plug axis; a core keeper moveably coupled to the lock core body, the core keeper being positionable in a retain position wherein the core keeper extends beyond the envelope of the lock core body to hold the lock core body in the opening of the lock device and a remove position wherein the core keeper is retracted towards the lock core body relative to the retain position; an operator actuatable assembly supported by the lock core body, the operator actuatable assembly including a base extending into the interior of the lock core body and an operator actuatable input device positioned forward of the front end of the lock core body and supported by the base; an electro-mechanical control system which in a first configuration operatively couples the operator actuatable input device of the operator actuatable assembly to the moveable plug and in a second configuration uncouples the operator actuatable input device of the operator actuatable assembly from the moveable plug; and a retainer which couples the operator actuatable assembly to the lock core body at a position between the front face of the lock core body and the rear end of the lock core body.
In an example thereof, the lock core body includes an opening and the base of the operator actuatable assembly includes a groove, the retainer being positioned in the opening of the lock core body and the groove of the operator actuatable assembly. In a variation thereof, the groove is a circumferential groove and the retainer permits the operator actutatable assembly to freely rotate about the moveable plug axis.
In a further exemplary embodiment of the present disclosure, an interchangeable electro-mechanical lock core for use with a lock device having a locked state and an unlocked state is provided. The lock device including an opening sized to receive the interchangeable lock core. The interchangeable lock core comprising a lock core body having an interior, the lock core body including an upper portion having a first maximum lateral extent, a lower portion having a second maximum lateral extent, and a waist portion having a third maximum lateral extent, the third maximum lateral extent being less than the first maximum lateral extent and being less than the second maximum lateral extent, the lower portion, the upper portion, and the waist portion forming an envelope of the lock core body, the lock core body having a front end and a rear end opposite the front end, the front end including a front face; a moveable plug positioned within the interior of the lock core body proximate the rear end of the lock core body, the moveable plug having a first position relative to the lock core body which corresponds to the lock device being in a locked state and a second position relative to the lock core body which corresponds to the lock device being in the unlocked state, the moveable plug being rotatable between the first position and the second position about a moveable plug axis; a core keeper moveably coupled to the lock core body, the core keeper being positionable in a retain position wherein the core keeper extends beyond the envelope of the lock core body to hold the lock core body in the opening of the lock device and a remove position wherein the core keeper is retracted towards the lock core body relative to the retain position; an operator actuatable assembly supported by the lock core body, the operator actuatable assembly including an operator actuatable input device positioned forward of the front end of the lock core body and supported by the lock core body, the operator actuatable input device including a knob portion intersecting the moveable plug axis and a thumb tab extending outward from the knob portion; and an electro-mechanical control system which in a first configuration operatively couples the operator actuatable input device of the operator actuatable assembly to the moveable plug and in a second configuration uncouples the operator actuatable input device of the operator actuatable assembly from the moveable plug.
In an example thereof, the knob portion is rotationally symmetrical about the moveable plug axis. In another example thereof, a first portion of the knob portion is a first portion of a base, a second portion of the base is positioned internal to the lock core body, and a second portion of the knob portion is a cover which is supported by the base. In a variation thereof, the electro-mechanical control system includes an electronic controller, a motor driven by the electronic controller, and a power source operatively coupled to the motor, each of the electronic controller, the motor, and the power source are supported by the base of the operator actuatable assembly. In a further variation thereof, the knob portion circumscribes the power source and the electronic controller. In still a further variation thereof, the electro-mechanical control system includes a clutch positionable by the motor in a first position to engage the moveable plug in the first configuration of the electro-mechanical control system and in a second position disengaged from the moveable plug in the second configuration of the electro-mechanical control system. In yet another variation thereof, the power source intersects the moveable plug axis.
In a still further example thereof, the electro-mechanical control system includes an electronic controller, a motor driven by the electronic controller, and a power source operatively coupled to the motor, each of the electronic controller, the motor, and the power source are supported by the operator actuatable assembly. In a variation thereof, the operator actuatable assembly is freely spinning about the moveable plug axis when the electro-mechanical control system is in the second configuration. In another variation thereof, the electro-mechanical control system includes a clutch positionable by the motor in a first position to engage the moveable plug in the first configuration of the electro-mechanical control system and in a second position disengaged from the moveable plug in the second configuration of the electro-mechanical control system.
In a further yet example thereof, the operator actuatable input device is freely spinning about the moveable plug axis when the electro-mechanical control system is in the second configuration.
In a further still exemplary embodiment of the present disclosure, a method of accessing a core keeper of an interchangeable lock core having an operator actuatable assembly is provided. The method comprising the steps of moving, through a non-contact method, a retainer which couples a first portion of an operator actuatable input device of the operator actuatable assembly to a second portion of the operator actuatable assembly; and moving at least the first portion of the operator actuatable input device away from the lock core to provide access to an actuator operatively coupled to the core keeper.
In an example thereof, the moving step includes locating a plurality of magnets proximate the operator actuatable input device. In a variation thereof, the operator actuatable input device includes a knob portion and the step of locating the plurality of magnets proximate the operator actuatable input device includes the step of placing a ring about the knob portion, the ring supporting the plurality of magnets.
In a further still exemplary embodiment of the present disclosure, an interchangeable electro-mechanical lock core for use with a lock device having a locked state and an unlocked state is provided. The lock device including an opening sized to receive the interchangeable lock core. The interchangeable lock core comprising a lock core body having a front end and a rear end; a moveable plug positioned within an interior of the lock core body proximate a rear end of the lock core body, the moveable plug having a first position relative to the lock core body which corresponds to the lock device being in a locked state and a second position relative to the lock core body which corresponds to the lock device being in the unlocked state, the moveable plug being rotatable between the first position and the second position about a moveable plug axis; a core keeper moveably coupled to the lock core body, the core keeper being positionable in a retain position wherein the core keeper extends beyond the envelope of the lock core body to hold the lock core body in the opening of the lock device and a remove position wherein the core keeper is retracted towards the lock core body relative to the retain position; an operator actuatable assembly supported by the lock core body and including an operator actuatable input device positioned forward of the front end of the lock core body; an electro-mechanical control system which in a first configuration operatively couples the operator actuatable input device to the moveable plug; in a second configuration operatively couples the operator actuatable input device to the core keeper; and in a third configuration uncouples the operator actuatable input device from both the moveable plug and the core keeper, wherein the electro-mechanical control system automatically transitions between the first configuration, the second configuration, and the third configuration.
In an example thereof, in the second configuration of the electro-mechanical control system the operator actuatable input device is further operatively coupled to the moveable plug. In another example thereof, the electro-mechanical control system includes a motor and a control element driven by the motor to a first position relative to a front face of the moveable plug when the electro-mechanical control system is in the first configuration, to a second position relative to the front face of the moveable plug when the electro-mechanical control system is in the second configuration, and to a third position relative to the front face of the moveable plug when the electro-mechanical control system is in the third configuration. In a variation thereof, the front face of the moveable plug is between the front end of the lock core body and the rear end of the lock core body and an end of the control element is positioned between the front face of the moveable plug and the rear end of the lock core body in at least one of the first position of the control element, the second position of the control element, and the third position of the control element. In another variation thereof, the end of the control element is positioned between the front face of the moveable plug and the rear end of the lock core body in a plurality of the first position of the control element, the second position of the control element, and the third position of the control element.
In a further example thereof, the electro-mechanical lock core further comprises a control sleeve. The moveable plug received by the control sleeve, and the core keeper extending from the control sleeve. In a variation thereof, the electro-mechanical control system includes a cam member positioned within the moveable plug, the cam member being moveable from a first position wherein the operator actuatable input device is operatively uncoupled from the control sleeve to a second position wherein the operator actuatable input device is operatively coupled to the control sleeve. In a further variation thereof, the cam member is linearly translated along the moveable plug axis from the first position of the cam member to the second position of the cam member. In still a further variation thereof, the control element moves the cam member from the first position of the cam member to the second position of the cam member. In still another variation thereof, the cam member is rotated relative to the moveable plug from the first position of the cam member to the second position of the cam member. In a further still variation thereof, the control element moves the cam member from the first position of the cam member to the second position of the cam member. In yet still another variation thereof, the cam member is rotated about an axis perpendicular to the moveable plug axis.
In a further still example thereof, the lock core body includes an upper portion having a first maximum lateral extent, a lower portion having a second maximum lateral extent, and a waist portion having a third maximum lateral extent, the third maximum lateral extent being less than the first maximum lateral extent and being less than the second maximum lateral extent, the lower portion, the upper portion, and the waist portion forming an envelope of the lock core body.
In a further still exemplary embodiment of the present disclosure, an interchangeable lock core for use with a lock device having a locked state and an unlocked state is provided. The lock device including an opening sized to receive the interchangeable lock core. The interchangeable lock core comprising a lock core body having a front end and a rear end; a moveable plug positioned within an interior of the lock core body proximate a rear end of the lock core body, the moveable plug having a first position relative to the lock core body which corresponds to the lock device being in a locked state and a second position relative to the lock core body which corresponds to the lock device being in the unlocked state, the moveable plug being rotatable between the first position and the second position about a moveable plug axis; a core keeper moveably coupled to the lock core body, the core keeper being positionable in a retain position wherein the core keeper extends beyond the envelope of the lock core body to hold the lock core body in the opening of the lock device and a remove position wherein the core keeper is retracted towards the lock core body relative to the retain position; an operator actuatable assembly supported by the lock core body and including an operator actuatable input device positioned forward of the front end of the lock core body; an electro-mechanical control system which in a first configuration operatively couples the operator actuatable input device to the moveable plug; in a second configuration operatively couples the operator actuatable input device to the core keeper; and in a third configuration uncouples the operator actuatable input device from both the lock plug and the core keeper, the electro-mechanical control system including a motor and a control element driven by the motor to a first position relative to a front face of the moveable plug when the electro-mechanical control system is in the first configuration, to a second position relative to the front face of the moveable plug when the electro-mechanical control system is in the second configuration, and to a third position relative to the front face of the moveable plug when the electro-mechanical control system is in the third configuration.
In an example thereof, the front face of the moveable plug is between the front end of the lock core body and the rear end of the lock core body and an end of the control element is positioned between the front face of the moveable plug and the rear end of the lock core body in at least one of the first position of the control element, the second position of the control element, and the third position of the control element. In a variation thereof, the end of the control element is positioned between the front face of the moveable plug and the rear end of the lock core body in a plurality of the first position of the control element, the second position of the control element, and the third position of the control element. In another variation thereof, the front face of the moveable plug is between the front end of the lock core body and the rear end of the lock core body and an end of the control element is positioned between the front face of the moveable plug and the front end of the lock core body in at least one of the first position of the control element, the second position of the control element, and the third position of the control element.
In a further example thereof, the electro-mechanical lock core further comprises a control sleeve. The moveable plug received by the control sleeve. The core keeper extending from the control sleeve. In a variation thereof, the electro-mechanical control system includes a cam member positioned within the moveable plug, the cam member being moveable from a first position wherein the operator actuatable input device is operatively uncoupled from the control sleeve to a second position wherein the operator actuatable input device is operatively coupled to the control sleeve. In another variation thereof, the cam member is linearly translated along the moveable plug axis from the first position of the cam member to the second position of the cam member.
In yet a further exemplary embodiment of the present disclosure, a puller for use with a lock device having a locked state and an unlocked state is provided. The puller may include a puller assembly having a front end and a rear end opposite the front end. The puller assembly may include a puller core body, a first engagement surface positioned to engage the portion of the rear end of the operator actuation assembly of the lock device, a second engagement surface positioned to engage the portion of the front end of the core assembly of the lock device, and an actuator which is moveable to alter a separation between the first engagement surface and the second engagement surface.
In yet a further still exemplary embodiment of the present disclosure, a puller for use with a lock device having a locked state and an unlocked state is provided. The lock device may include an operator actuation assembly, a core assembly, and a retainer coupling the operator actuation assembly relative to the core assembly. The operator actuation assembly having a front end engageable by an operator to rotate the operator actuation assembly about a longitudinal axis intersecting the core assembly and a rear end opposite the front end and facing a front end of the core assembly. A gap exists between a portion of the rear end of the operator actuation assembly and a portion of the front end of the core assembly. The puller assembly may include a puller core body having an opening sized to receive at least a portion of the operator actuation assembly of the lock device, a first engagement surface positioned to engage the portion of the rear end of the operator actuation assembly of the lock device, a second engagement surface positioned to engage the portion of the front end of the core assembly of the lock device, and an actuator which is moveable to alter a separation between the first engagement surface and the second engagement surface from a first separation equal to a width of the gap between the portion of the rear end of the operator actuation assembly and the portion of the front end of the core assembly to a second separation greater than the first separation, the second separation causing a decoupling of the operator actuation assembly of the lock device from the core assembly of the lock device.
In an example thereof, the actuator is a mechanical actuator. In a variation thereof, the is accessible from an exterior of the puller core body. In some embodiments, the actuator is threadably engaged with the puller core body. In a further example thereof, the actuator is rotatable relative to the puller core body along an axis parallel with the longitudinal axis of the operator actuation assembly. In some embodiments, the axis is offset from the longitudinal axis of the operator actuation assembly.
In another example thereof, the first engagement surface and the second engagement surface each lie along an arc centered on the longitudinal axis of the operator actuation assembly. In another example thereof, the first engagement surface is a lip of the puller core body. In a further example thereof, the second engagement surface is carried by the actuator. In some embodiments, the second engagement surface is an end of the actuator.
In yet a further example thereof, the puller assembly may further include a cap supported by the puller core body and a push pin received in a passage in the puller core body. The push pin may include a first end positioned adjacent the cap and a second end extendable beyond the first engagement surface. In a variation thereof, the second engagement surface is carried by the push pin. In a further example thereof, the second engagement surface is the second end of the push pin. Consistent with these embodiments, the actuator may be operatively coupled with the puller core body to move the cap towards the first engagement surface, the cap in turn moving the push pin to increase the separation between the first engagement surface and the second engagement surface to the second separation.
In yet a further example thereof, the puller assembly may further include a tool engagement portion on a longitudinal side of the puller core body.
In a further still exemplary embodiment of the present disclosure, a method of decoupling an operator actuation assembly of a lock device from a core assembly of the lock device is provided. The method comprising the steps of engaging a portion of the rear end of the operator actuation assembly with a first engagement surface of a puller assembly, engaging a portion of the front end of the core assembly with a second engagement surface of the puller assembly, and increasing a separation of the first engagement surface and the second engagement surface along the longitudinal axis of the operator actuation assembly to cause a decoupling of the operator actuation assembly from the core assembly.
The above-mentioned and other features and advantages of this disclosure, and the manner of attaining them, will become more apparent and will be better understood by reference to the following description of exemplary embodiments taken in conjunction with the accompanying drawings, wherein:
Corresponding reference characters indicate corresponding parts throughout the several views. The exemplification set out herein illustrates an exemplary embodiment of the invention and such exemplification is not to be construed as limiting the scope of the invention in any manner.
For the purposes of promoting an understanding of the principles of the present disclosure, reference is now made to the embodiments illustrated in the drawings, which are described below. The embodiments disclosed herein are not intended to be exhaustive or limit the present disclosure to the precise form disclosed in the following detailed description. Rather, the embodiments are chosen and described so that others skilled in the art may utilize their teachings. Therefore, no limitation of the scope of the present disclosure is thereby intended. Corresponding reference characters indicate corresponding parts throughout the several views.
The terms “couples”, “coupled”, “coupler” and variations thereof are used to include both arrangements wherein the two or more components are in direct physical contact and arrangements wherein the two or more components are not in direct contact with each other (e.g., the components are “coupled” via at least a third component), but yet still cooperate or interact with each other.
In some instances throughout this disclosure and in the claims, numeric terminology, such as first, second, third, and fourth, is used in reference to various components or features. Such use is not intended to denote an ordering of the components or features. Rather, numeric terminology is used to assist the reader in identifying the component or features being referenced and should not be narrowly interpreted as providing a specific order of components or features.
Referring to
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When core assembly 102 is received in recess 124 of lock cylinder 122, core keeper 110 is in a first position wherein it is received in a recess 128 (see
In the illustrated embodiment, core body 112 defines a figure eight profile (See
Referring to
Core body 112 may be translated relative to lock cylinder 122 along longitudinal axis 108 in direction 162 to remove core body 112 from lock cylinder 122 when core keeper 110 is received within the envelope of core body 112 such that core body 112 has a figure eight profile and may not be translated relative to lock cylinder 122 along longitudinal axis 108 to remove core body 112 from lock cylinder 122 when core keeper 110 is positioned at least partially outside of the envelope of core body 112 in a recess 128 of lock cylinder 122 (see
Although electro-mechanical lock core 100 is illustrated in use with lock cylinder 122, electro-mechanical lock core 100 may be used with a plurality of lock systems to provide a locking device which restricts the operation of the coupled lock system. Exemplary lock systems include door handles, padlocks, and other suitable lock systems. Further, although operator actuation assembly 104 is illustrated as including a generally cylindrical knob, other user actuatable input devices may be used including handles, levers, and other suitable devices for interaction with an operator.
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Lock actuator plug 106 is retained relative to core body 112 with a retainer 146. Retainer 146 maintains a longitudinal position of lock actuator plug 106 along axis 108 while allowing lock actuator plug 106 to rotate about longitudinal axis 108. In the illustrated embodiment, retainer 146 is a C-clip 148 which is received in a groove 150 of lock actuator plug 106. As shown in
Returning to
Upper cavity 140 of core body 112 receives control assembly 176. As explained in more detail herein, control assembly 176 restricts access to and controls movement of core keeper 110. Control assembly 176 includes an actuator 180, a biasing member 182, and a cap 184. Illustratively biasing member 182 is a compression spring and cap 184 is a ball. A first end of biasing member 182 contacts cap 184 and a second end of biasing member 182 is received over a protrusion 196 of actuator 180 (see
Actuator 180, biasing member 182, and cap 184 are inserted into upper cavity 140 from a rear end 192 of core body 112 which receives lock actuator plug 106. Cap 184 is pressed through rear end 192 and abuts a rear end of upper cavity 140 which has projections 188 (see
Actuator 180 further includes a partial gear 210 which intermeshes with partial gear 170 of control sleeve 166. Referring to
Referring to
As explained in more detail herein, moveable clutch 300 is moveable along longitudinal axis 108 in direction 160 and direction 162 between a first position wherein engagement interface 254 of moveable clutch 300 is disengaged from engagement interface 250 of lock actuator plug 106 and a second position wherein engagement interface 254 of moveable clutch 300 is engaged with engagement interface 250 of lock actuator plug 106. The movement of moveable clutch 300 is controlled by an electric motor 302 as described in more detail herein. In the first position, operator actuation assembly 104 is operatively uncoupled from lock actuator plug 106 and a rotation of operator actuation assembly 104 about longitudinal axis 108 does not cause a rotation of lock actuator plug 106 about longitudinal axis 108. In the second position, operator actuation assembly 104 is operatively coupled to lock actuator plug 106 and a rotation of operator actuation assembly 104 about longitudinal axis 108 causes a rotation of lock actuator plug 106 about longitudinal axis 108.
As shown in
Referring to
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A pin 354 is positioned in a cross passage 356 of control pin 346 and in elongated openings 358 in moveable clutch 300. Pin 354 prevents control pin 346 from rotating about longitudinal axis 108 with drive shaft 340 of motor 302, thereby ensuring that a rotational movement of drive shaft 340 about longitudinal axis 108 is translated into a translational movement of moveable clutch 300 along longitudinal axis 108 either towards lock actuator plug 106 or away from lock actuator plug 106. Elongated openings 358 are elongated to permit drive shaft 340 to rotate an amount sufficient to seat engagement features 258 of moveable clutch 300 in engagement features 256 of lock actuator plug 106 even when engagement features 258 of moveable clutch 300 are not aligned with engagement features 256 of lock actuator plug 106. In such a misalignment scenario, the continued rotation of drive shaft 340 results in control pin 346 continuing to advance in direction 160 and compress biasing member 350. An operator then by a rotation of operator actuation assembly 104 about longitudinal axis 108 will cause a rotation of moveable clutch 300 about longitudinal axis 108 thereby seating engagement features 258 of moveable clutch 300 in engagement features 256 of lock actuator plug 106 and relieve some of the compression of biasing member 350.
Returning to
Touch sensitive capacitive sensor 392 is positioned directly behind an operator actuatable input device 394, illustratively a knob cover (see
Referring to
Power supply 390 is positioned in an opening 418 in a battery chassis 420. As shown in
Referring to
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Operator actuation assembly 104 further includes a sensor 460 (see
Returning to
In embodiments, electro-mechanical lock core 100 communicates with operator device 500 without the need to communicate with other electro-mechanical lock cores 100. Thus, electro-mechanical lock core 100 does not need to maintain an existing connection with other electro-mechanical locking cores 100 to operate. One advantage, among others, is that electro-mechanical lock core 100 does not need to maintain network communications with other electro-mechanical lock cores 100 thereby increasing the battery life of battery 390. In other embodiments, electro-mechanical lock core 100 does maintain communication with other electro-mechanical locking cores 100 and is part of a network of electro-mechanical locking cores 100. Exemplary networks include a local area network and a mesh network.
Electrical assembly 370 further includes input devices 360. Exemplary input devices 360 include buttons, switches, levers, a touch display, keys, and other operator actuatable devices which may be actuated by an operator to provide an input to electronic controller 370. In embodiments, touch sensitive capacitive sensor 392 is an exemplary input device due to it providing an indication of when operator actuatable input device 394 is touched.
Once communication has been established with operator device 500, various input devices 506 of operator device 500 may be actuated by an operator to provide an input to electronic controller 374. In one embodiment, electro-mechanical lock core 100 requires an actuation of or input to an input device 360 of electro-mechanical lock core 100 prior to taking action based on communications from operator device 500. An advantage, among others, for requiring an actuation of or an input to an input device 360 of electro-mechanical lock core 100 prior to taking action based on communications from operator device 500 is that electro-mechanical lock core 100 does not need to evaluate every wireless device that comes into proximity with electro-mechanical lock core 100. Rather, electro-mechanical lock core 100 may use the actuation of or input to input device 360 to start listening to communications from operator device 500. As mentioned herein, in the illustrated embodiment, operator actuation assembly 104 functions as an input device 360. Operator actuation assembly 104 capacitively senses an operator tap on operator actuation assembly 104 or in close proximity to operator actuation assembly 104.
Exemplary output devices 362 for electro-mechanical lock core 100 include visual output devices, audio output device, and/or tactile output devices. Exemplary visual output devices include lights, segmented displays, touch displays, and other suitable devices for providing a visual cue or message to an operator of operator device 500. Exemplary audio output devices include speakers, buzzers, bells and other suitable devices for providing an audio cue or message to an operator of operator device 500. Exemplary tactile output devices include vibration devices and other suitable devices for providing a tactile cue to an operator of operator device 500. In embodiments, electro-mechanical lock core 100 sends one or more output signals from wireless communication system 376 to operator device 500 for display on operator device 500.
In the illustrated embodiment, electro-mechanical lock core 100 includes a plurality of lights which are visible through windows 364 (see
Operator device 500 is carried by an operator. Exemplary operator device 500 include cellular phones, tablets, personal computing devices, watches, badges, fobs, and other suitable devices associated with an operator that are capable of communicating with electro-mechanical lock core 100 over a wireless network. Exemplary cellular phones, include the IPHONE brand cellular phone sold by Apple Inc., located at 1 Infinite Loop, Cupertino, Calif. 95014 and the GALAXY brand cellular phone sold by Samsung Electronics Co., Ltd.
Operator device 500 includes an electronic controller 502, a wireless communication system 504, one or more input devices 506, one or more output devices 508, a memory 510, and a power source 512 all electrically interconnected through circuitry 514. In one embodiment, electronic controller 502 is microprocessor-based and memory 510 is a non-transitory computer readable medium which includes processing instructions stored therein that are executable by the microprocessor of operator device 500 to control operation of operator device 500 including communicating with electro-mechanical lock core 100. Exemplary non-transitory computer-readable mediums include random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (e.g., EPROM, EEPROM, or Flash memory), or any other tangible medium capable of storing information.
Referring to
The term “logic” as used herein includes software and/or firmware executing on one or more programmable processors, application-specific integrated circuits, field-programmable gate arrays, digital signal processors, hardwired logic, or combinations thereof. Therefore, in accordance with the embodiments, various logic may be implemented in any appropriate fashion and would remain in accordance with the embodiments herein disclosed. A non-transitory machine-readable medium 388 comprising logic can additionally be considered to be embodied within any tangible form of a computer-readable carrier, such as solid-state memory, magnetic disk, and optical disk containing an appropriate set of computer instructions and data structures that would cause a processor to carry out the techniques described herein. This disclosure contemplates other embodiments in which electronic controller 374 is not microprocessor-based, but rather is configured to control operation of blocker 306 and/or other components of electro-mechanical lock core 100 based on one or more sets of hardwired instructions. Further, electronic controller 374 may be contained within a single device or be a plurality of devices networked together or otherwise electrically connected to provide the functionality described herein.
Electronic controller 374 receives an operator interface authentication request, as represented by block 522. In one embodiment, operator interface authentication request 522 is a message received over the wireless network from operator device 500. In one embodiment, operator interface authentication request 522 is an actuation of one or more of input devices 360. As explained in more detail herein, in one embodiment, operator actuation assembly 104 functions as an input device 360. Operator actuation assembly 104 capacitively senses an operator tap on operator actuation assembly 104 or in close proximity to operator actuation assembly 104.
Electronic controller 374 further receives authentication criteria 524 which relate to the identity and/or access level of the operator of operator device 500. In one embodiment, the authentication criteria is received from operator device 500 or communicated between electronic controller 374 and operator device 500. In one embodiment, an indication that the required authentication criteria has been provided to operator device, such as a biometric input or a passcode, is communicated to electronic controller 374.
Access granted logic 520 based on operator interface authentication request 522 and authentication criteria 524 determines whether the operator of operator device 500 is granted access to move core keeper 110 to the retracted position of
Further, in embodiments, access granted logic 520 based on operator interface authentication request 522 and authentication criteria 524 determines whether the operator of operator device 500 is granted access to lock actuator plug 106 which in turn actuates cam member 126 in the illustrated embodiment or is denied access to lock actuator plug 106. If the operator of operator device 500 is granted access to lock actuator plug 106, access granted logic 520 powers motor 302 to move clutch 300 to the engaged position (see
Various operations of electro-mechanical lock core 100 are explained with reference to
Referring to
As mentioned above, the engaged position of clutch 300 corresponds to the release position of blocker 306. In order to move core keeper 110 from the extended position of
Once operator actuatable input device 394, touch sensitive capacitive sensor 392, and foam spacer 422 are removed, power supply 390 may be removed from battery chassis 420. If the operator has only been granted rights to actuate lock actuator plug 106, when power supply 390 is removed electronic controller 374 causes clutch 300 to return to the position of
As shown in
Referring to
By pushing on tool 204 in direction 160, actuator 180 may be translated in direction 160 against the bias of biasing member 182 to the position shown in
In contrast in
While electro-mechanical lock core 100 is coupled to lock cylinder 122 due to core keeper 110 being in the extended position of
Referring to
Referring to
Core 900 includes a control assembly 950 having an actuator 952 with a tool engagement portion 954. Tool engagement portion 954 is accessed with tool 204 in the same manner as actuator 180 of electro-mechanical lock core 100. A blocker 958 of actuator 952 must be positioned like blocker 211 for electro-mechanical lock core 100 in
Referring to
Core keeper 1110 is moveable between an extended position shown in
Referring now to
Core body 1112 of core assembly 1102 includes a cavity 1140 arranged concentrically with longitudinal axis 1108. Cavity 1140 receives a lock actuator assembly. The lock actuator assembly includes core plug assembly 1106, a biasing member 1150, a clutch 1152, a plunger 1156, and a clutch retainer 1154. Clutch 1152 is axially moveable in axial directions 1109, 1110 and is operatively coupled to knob base 1120, illustratively a spline connection (see
Clutch 1152 includes a central opening coaxial with the central passageway that permits at least a distal portion of plunger 1156 to pass through. In the exemplary embodiment shown, biasing member 1150 biases clutch 1152 in axial direction 1110 toward core plug assembly 1106. Clutch 1152 includes a slot 1158 perpendicular to the central passageway. Plunger 1156 is axially retained within the central passageway of clutch 1152 by clutch retainer 1154, which is received within slot 1158. As a result, plunger 1156 is pinned to clutch 1152 for limited axial movement relative to clutch 1152.
Core plug assembly 1106 includes a core plug body 1160 and a control sleeve 1164. A first end of core plug body 1160 includes a plurality of engagement features configured to engage the plurality of engagement features of clutch 1152. Specifically, alignment of the engagement features of clutch 1152 and core plug body 1160 results in clutch 1152 engaging with core plug body 1160. When plunger 1156 is axially displaced in axial direction 1110, clutch 1152 is similarly displaced in axial direction 1110. If the engagement features of clutch 1152 align with the engagement features of core plug body 1160, the engagement features will engage (see
Control sleeve 1164 surrounds core plug body 1160 and supports core keeper 1110 for rotation between the extended and retracted positions. Control sleeve 1164 is selectively rotatable about longitudinal axis 1108. More specifically, rotation of control sleeve 1164 about longitudinal axis 1108 is constrained by a stack of pin segments 1170, 1172. In the exemplary embodiment shown, pin segments 1170, 1172 are positioned radially in a radial direction 1180 relative to longitudinal axis 1108 and moveable in radial directions 1178, 1179. A biasing member 1176 biases pin segments 1170, 1172 in a radial direction 1179 (see
Core plug assembly 1106 also includes a keyblade 1178, which has a contoured profile. Keyblade 1178 is axially moveable in axial directions 1110, 1109. When core assembly 1102 enters the control mode, the drive shaft of motor 1124 rotates to axially displace plunger 1156 in axial direction 1110 further in the control configuration of
In order to exit the control configuration and return to the normal configuration, motor 1124 reverses the direction of rotation. When motor 1124 is reversed such that plunger 1156 is axially displaced in axial direction 1109, the biasing force of biasing member 1176 in radial direction 1179 axially displaces keyblade 1178 in axial direction 1109. Accordingly, keyblade 1178 may be decoupled from plunger 1156. Furthermore, the engagement features of clutch 1152 and core plug body 1160 disengage when plunger 1156 is displaced in axial direction 1109. In the exemplary embodiment shown, motor 1124 reverses after expiration of a first preset time.
When installing or removing core plug body 1160 from core body 1112, keyblade 1178 is axially displaced in axial direction 1110 to radial displace pin segments 1170, 1172 in radial direction 1180. Displacement of pin segments 1170, 1172 in radial direction 1180 results in the abutting surfaces of pin segments 1170, 1172 aligning with a control shearline 1190 (see
Operating shearline 1192 (see
Turning now to
An advantage, among others, of electro-mechanical lock core 1100 is that no mechanical tool is required to transition or convert core assembly 1102 from the normal configuration to the control configuration. Instead, electro-mechanical lock core 1100 requires only that a user have administrator privileges. As a result, installation and removal of electro-mechanical lock core 1100 is simplified. Another advantage, among others, is the low part count of electro-mechanical lock core 1100, which results in simplified manufacturing. A further advantage, among others, of electro-mechanical lock core 1100 is increased reliability resulting from the absence of current-carrying moving parts. Additionally, there are no sliding or rotating contacts or slip rings. Instead, all of the electronics are contained within operator actuation assembly 1104 and the mechanical components are not part of the ground path.
In the exemplary embodiment shown, operator actuation assembly 1104 is supported by a unitary core body 1112 of core assembly 1102. An advantage, among others, of a unitary core body 1112 is that it is resistant to vertical and frontal impact.
Referring to
Electro-mechanical lock core 1200 is configurable in an unlocked state and a locked state. Additionally, core assembly 1202 is configurable in a normal configuration and a control configuration. In the exemplary embodiment shown, core body 1212 defines a figure eight profile (see also
Core keeper 1210 is moveable between an extended position shown in
Operator actuation assembly 1204 is generally the same as operator actuation assembly 104 except that an operator actuatable base 1220 has a differing exterior profile compared to base 310. Further, clutch 300 includes a central opening 1228 (see
The controller 374 of electro-mechanical lock core 1200 controls motor 302 to move clutch 300 and plunger 1156 similar to the movement of clutch 1152 and plunger 1156 for electro-mechanical lock core 1100. Similar to electro-mechanical lock core 100, electronic controller 374 advances clutch 300 in direction 1250 towards lock core plug 1206 to engage engagement interface 254 of clutch 300 with engagement interface 250 of lock core plug 1206. Once engaged, an operator may rotate operator actuation assembly 1204 about longitudinal axis 1208 to actuate the lock device, such as cam member 126, to which electro-mechanical lock core 1200 is coupled.
Similar to electro-mechanical lock core 1100, core keeper 1210 is carried by a control sleeve 1216 (see
Control sleeve 1216 supports core keeper 1210 for rotation between the extended (see
Referring to
Electro-mechanical lock core 1200 further includes an indexer 1300 (see
Returning to the electro-mechanical lock core 100 of
Operator actuation assembly 104 has a front end engageable by an operator to rotate operator actuation assembly 104 about a longitudinal axis 108 intersecting core assembly 104 and a rear end opposite the front end and facing a front end of core assembly 102. The lock device further includes a gap 640 existing between a portion of the rear end of operator actuation assembly 104 and a portion of the front end of core assembly 102.
Referring to
Actuator 628 is moveable and may alter a separation between first engagement surface 624 and second engagement surface 626 from a first separation 642 equal to a width of the gap 640 between the portion of the rear end of operator actuation assembly 104 and the portion of the front end of core assembly 102 when operator actuation assembly 104 is coupled to core assembly 102 with retainer 304 to a second separation 644, greater than first separation 642, corresponding to a distance wherein operator actuation assembly is no longer coupled to core assembly 102 with retainer 304. First separation 642 and second separation 644 are measured along the longitudinal axis 108 of operator actuation assembly 104. When actuator 628 alters the separation from first separation 642 to second separation 644, puller assembly 620 causes a decoupling of operator actuation assembly 104 from core assembly 102 of electro-mechanical lock core 100.
Referring to
Puller core body 722 having a front end and a rear end opposite the front end and has an opening 738 (see
Actuator 728 is threadably engaged with puller core body 722 and may be accessible from an exterior of puller core body 722. Actuator 728 may be rotatable relative to puller core body 722 along the longitudinal axis 746 parallel with the longitudinal axis 108 of operator actuation assembly 104. Actuator 728 includes a tool interface portion 747 which may mate with a tool, such as a driver with a hexagonal head bit which may be operated to turn actuator 728. Actuator 728 may be received in a passage 729 (see
Cap 730 has a front end and a rear end opposite the front end. A portion of the rear end of cap 730 is positioned to engage a portion of the front end of puller core body 722. A gap 750 may exist between the portion of the rear end of cap 730 and the portion of the front end of puller core body 722.
Push pin 732 has a first end positioned adjacent cap 730 and a second end extendable beyond first engagement surface 724 and may carry second engagement surface 726. In other configurations, second engagement 726 is the second end of push pin 732. A pin 734 is positioned in a cross passage 735 of puller core body 722 to ensure that push pin 632 is moveable along longitudinal axis 746 in direction 160 and direction 162 and operatively coupled to puller core body 722.
The operation of puller assembly 720 to remove operator actuation assembly 104 from core assembly 102 is explained herein. Turning to
Turning to
Referring to
Referring to
Referring to
Referring to
Actuator 828 is threadably engaged with puller core body 822 and may be accessible from an exterior of puller core body 822. Actuator 828 may be rotatable relative to puller core body 822 along the longitudinal axis 846 parallel with the longitudinal axis 108 of operator actuation assembly 104. Actuator 828 may be received in a passage 839 in puller core body 822 (see
While this invention has been described as having exemplary designs, the present invention can be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the invention using its general principles. Further, this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains.
This application is a Continuation-in-Part of PCT/US2019/027220, filed Apr. 12, 2019, which claims the benefit of U.S. Provisional Application No. 62/657,578, filed Apr. 13, 2018, titled ELECTRO-MECHANICAL LOCK CORE, and U.S. Provisional Application No. 62/829,974, filed Apr. 5, 2019, titled ELECTRO-MECHANICAL LOCK CORE, the entire disclosures of each of which are expressly incorporated by reference herein.
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Number | Date | Country | |
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20200024868 A1 | Jan 2020 | US |
Number | Date | Country | |
---|---|---|---|
62657578 | Apr 2018 | US | |
62829974 | Apr 2019 | US |
Number | Date | Country | |
---|---|---|---|
Parent | PCT/US2019/027220 | Apr 2019 | US |
Child | 16589836 | US |