The subject matter disclosed herein relates generally to door hardware systems such as handles, knobs, locks, stops, and the like. More particularly, the subject matter relates to a door hardware system that may be temporarily attached to a door and removed prior to installation of a permanent hardware system.
In the construction industry, temporary door hardware such as locks, stops or handles are typically placed on the doors of buildings that are undergoing construction. This temporary door hardware is configured to prevent the door from opening and closing in the wind, causing potential damage to the door and to the interior of the building being constructed. Further, in some instances, temporary door hardware may prevent unwanted people from entering into the building being constructed at night. In large construction buildings, such as multi-floor apartment buildings or commercial office buildings, there are hundreds or even thousands of doors that require temporary hardware. This hardware is often expensive and made of metal. Due to the expense, contractors must generally find a place to store the hardware until the next construction project.
Thus, it would be well received in the art to have less costly door hardware that is specifically configured to be temporary and/or disposable after use.
According to one embodiment, a temporary door hardware system comprises: a latch assembly securable between a first side component and a second side component when the first and second side component are installed in the door, wherein the latch assembly is dimensioned for integration with an opening in an door frame, wherein the latch assembly includes first assembled position relative to the first and second side components, wherein the latch assembly includes a second assembled position relative to the first and second side components, wherein the latch assembly in the first assembled position extends from the first and second side components a greater distance than the latch assembly in the second position.
According to another embodiment, a temporary door hardware system comprises: a latch assembly dimensioned for integration with an opening in a door, wherein the latch assembly includes a main body including a first portion proximate a first end and a second portion proximate a second end, the first portion including a first stop located proximate the first end and a second stop located proximate the second portion relative to the first stop, wherein the first and second stops have a larger outer perimeter than an outer perimeter of the first portion.
According to another embodiment, a door comprises: a first side having a first surface; a second side having a second surface; an opening extending through the first side to the second side; a door hardware system comprising: a first side component exposed from the first side of the door; a second side component attached to the first side component and exposed from a second side of the door; a latch assembly securable between the first and second side component when the first and second side component are installed in the door, wherein the latch assembly is dimensioned for integration with the opening, wherein the latch assembly includes first assembled position relative to the first and second side components, wherein the latch assembly includes a second assembled position relative to the first and second side components, wherein the latch assembly in the first assembled position extends from the first and second side components a greater distance than the latch assembly in the second position.
The subject matter which is regarded as the invention is particularly pointed out and distinctly claimed in the claims at the conclusion of the specification. The foregoing and other features and advantages of the invention are apparent from the following detailed description taken in conjunction with the accompanying drawings in which:
A detailed description of the hereinafter described embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.
Referring to
The temporary door hardware system 10 may further include a latch assembly 20. The latch assembly 20 may also be referred to as a plunger device, fastener or the like, and may be configured to retain the door 12 in a closed state with respect to an outer door frame 26. The latch assembly 20 may be securable between the first and second side components 14, 16 when the first and second side components 14, 16 are installed in the door 12 as shown in
In order to achieve a low-cost and temporary door hardware system 10, it should be understood that the major components of the temporary door hardware system 10 may be made of non-metallic low cost components. For example, each of the first side component 14, the second side component 16, and the latch assembly 20 may be made from plastic, wood, rubber, a composite or the like. Each of these components 14, 16, 20 may, for example, not be made of metal in direct contrast to permanent hardware fixtures. As such, in one embodiment, the temporary door hardware system 10 may not be configured to prevent unwanted entry through the door 12 or prevent the door from being opened by unwanted individuals. This is because the temporary door hardware system 10 may be utilized on construction sites rather than in finished buildings, where trespass and break-ins are less of a problem. In other embodiments, a version of the temporary door hardware system 10 may include lock system (not shown) as for the deterrence of trespassers.
The first and second side components 14, 16 of the temporary door hardware system 10 may minimally extend from the surfaces 18, 19 of the door 12. In other words, the first and second side components 14, 16 may not include a handle at all, but may simply include flat surfaces 30, 32 which are adjacent to the surfaces 18, 19 of the door 12. In one embodiment, no component of the first and second side components 14, 16, including these flat surfaces 30, 32, when installed in the door 12, may extend more than 0.5 inches from the surfaces 18, 19, respectively, of the door 12. In other embodiments, the first and second side components 14, 16 may extend less than 0.25 inches from the door surfaces 18, 19 when installed in the door 12. In still other embodiments, the first and second side components 14, 16 may extend less than one inch from the door surfaces 18, 19 when installed in the door 12. These flat surfaces 30, 32 may extend from the main bodies 15, 17, respectively. The flat surfaces 18, 19, may extend beyond the bounds of the outer dimensions of the main bodies 15, 17 on one side of the main body 15, 17. The flat surfaces 18, 19 may be configured to stop the temporary door hardware system 10 from being insertable into the opening of the door 12 and removed therefrom.
The fact that the temporary door hardware system 10 may not include traditional handles, knobs or the like may reduce the overall width of the temporary door hardware system 10. This reduced width may allow the temporary door hardware system 10 to be installed on the door 12 during the manufacturing stages of the door 12 without increasing the thickness dimensions of the door 12 unnecessarily. This may reduce transportation and storage cost and may increase the desirability of the temporary door hardware system 10 to be integrated into the door 12 at the manufacturing stage. While the first and second side components 14, 16 are shown including surfaces 30, 32 that are directly adjacent to the surface of the door, this may be difficult for people to grip to pull the door open. Thus, the latch assembly 20 may be configured to retract from the opening 24 when a relatively low amount of threshold force is applied by a person on the door 12. For example, the threshold force may be large enough to prevent the latch assembly 20 from being removed from the opening 24 when wind forces are exerted on the door. However, the threshold force may be small enough to allow the plunger to be removed from the opening when a person exerts a direct pushing force on the door, or pulling force on one of the surfaces 30, 32.
In one embodiment, the first and second side components 14, 16 may include a storing state and an in-use state. In the storing state, the surfaces 30, 32 of the first and second side components 14, 16 may be located immediately adjacent to the surfaces 18, 19 of the door 12, as shown in
Furthermore, the surfaces 30, 32 may be replaced by a standard dimensioned handle or knob (not shown) which may allow for a person to grip and pull on the temporary door hardware system 10 and open the door 12. In this case, the handle or knob may not be configured to interact with the latch assembly 20. In other words, if the temporary door hardware system 10 includes a handle or knob, the handle or knob may not be configured to turn, and may only be functional to the extent that the handle or knob provides a component to grip and pull the door 12.
Referring now to
Once locked or affixed together, the first and second side components 14, 16 may be configured to remain in a locked-together state. In the embodiment shown, the mechanism for locking the first and second side components 14, 16 together (i.e. at least one of the male connecting section 34, the female connecting section 38, the locking tabs 36a, 36b, the channels 40a, 40b, and the locking tab biasing portion 42) may not be unattached without permanent destruction. For example, the permanent destruction of one or more components of the mechanism may be required to remove the first side component 14 from the second side component 16. In the embodiment shown, the second side component 16 may include an opening 44 that is adjacent to the surface 32. The opening 44 may be a channel, hole, slot, bore, or the like. The opening 44 may be configured to receive an elongated device, such as a screwdriver (not shown) which may be configured to destroy one or both of the locking tabs 36a, 36b. In the embodiment shown, the opening 44 extends across the entirety of the width of the female connecting section 38, allowing the elongated device to be extended therein. By bashing, hitting, protruding, hammering, or striking the plastic locking tabs 36a, 36b with a metal or otherwise reinforced or durable elongated device, the locking tabs 36a, 36b may be destroyed, and the temporary door hardware system 10 may be configured to be removed from the door 12 for reinstallation of a permanent door hardware system (not shown). In one embodiment, the locking tabs 36a, 36b may be particularly constructed such that they are mechanically weak from force coming from the direction of the opening 44. As such, the locking tabs 36a, 36b, which may be strong in preventing the male and female connecting sections 34, 38 from being taken apart, may be very weak and break easily when prodded with an elongated device through the opening 44. This may facilitate ease of removal of the temporary door hardware system 10.
In another embodiment, the male connecting section 34 may include only a single locking tab rather than two locking tabs. This locking tab may be found on one of the “sides” of the square shaped cross section of the male connecting section 34. Likewise, the female connecting section 38 may include a single corresponding channel. In this embodiment, the opening 44 may be narrower than the embodiment shown in the Figures, such that it would be more difficult for a person who protrudes the elongated device into the opening 44 to miss hitting the locking tab. In another embodiment, the opening 44 in the face of the second side component 16 may actually be divided into two separate openings, each corresponding to and directly in front each of two locking tabs 36a, 36b extending within the male connecting section 34. If destruction of the attachment mechanism is desirable, it should be understood that the means for destruction of the attachment mechanism are not limited to the embodiments shown or described herein.
While the temporary door hardware system 10 may include a mechanism for attaching the first and second side components 14, 16 together such that unattachment of the first and second side components 14, 16 requires permanent destruction of the mechanism, other embodiments may not include this feature. For example, nondestructive mechanisms for unattaching the first and second side components 14, 16 are contemplated. In one embodiment, the temporary door hardware system 10 may include an opening, such as the opening 44, for inserting an unlocking device. The unlocking device may be configured to integrate with the attachment mechanism. For example, the unlocking device may be directly configured to bend inwardly one or more locking tabs, such as the locking tabs 36a, 36b in order to release the locking tabs 36a, 36b from the channel 40a, 40b.
As described hereinabove, the temporary door handle 10 may include the latch assembly 20. The latch assembly 20 is shown in
The first end 22 of the latch assembly 20 may be an enlarged knob portion 46 having a half spherical end 48. The half spherical end 48 may be the particular portion of the latch assembly 20 partially insertable into the opening 24. Thus, due to the curvature of the first end 22 of the latch assembly 20, the latch assembly may rest in the opening 24 such that a horizontal force F on the latch assembly 20 will actually result in movement of the latch assembly 20 to retract along the vertical direction D, as shown in
The latch assembly 20 may include a narrower portion 50 extending from the enlarged knob portion 46 to the second end 23. The enlarged knob portion 46 and the narrower portion 50 may each have a circular cross section. A spring 28 may be configured to extend between the back surface of the enlarged knob portion 46. The spring 28 may extend between the enlarged knob portion 46 and the outer surface of the female connecting section 38. The spring 28 may have a diameter that is less than the diameter of the enlarged knob portion 46 such that the spring 28 is retained therebetween. In one embodiment, the spring 28 found in the latch assembly 20 may be the only metallic component in one embodiment.
Additionally, the second end 23 of the narrow portion 50 may include one or more circumferential channels 52 extending circumferentially around the entirety of the narrow portion 50. These channels 52 may each be configured to receive a C-Clip (not shown). The C-Clip may be configured to retain the second end 23 of the narrow portion 50 within the confines of the male and female connecting sections 34, 38.
Located in the male connecting section 34 may be a first U-shaped opening 54 and a second U-shaped opening 56. Likewise, in the female connecting plate 38 may have a third U-shaped opening 58 which corresponds to the first U-shaped opening 54, and a fourth U-shaped opening 60 which corresponds to the second U-shaped opening 56. These U-shaped opening pairs 54, 58 and 56, 60 may each converge to form a corresponding circular shaped opening when the male connecting section 34 is inserted into the female connecting section 38. These two circular shaped openings may be configured to receive the narrow portion 50 of the latch assembly 20. In one embodiment, only a single U-shaped opening pair 54, 58 or 56, 60 may exist in the male connecting section 34 and the female connecting section 38. This may allow only a single configuration of the latch assembly 20 extending in a single direction. In other embodiments, both opening pairs 54, 58 and 56, 60 may exist to allow the temporary door hardware system 10 to be installed in multiple arrangements with the latch assembly 20 extending from either direction.
The latch assembly 20 may thereby be retained in place within this opening between the spring 28 and the C-Clip, in the manner shown in
As will be apparent, a door may be sold and manufactured with the temporary door hardware system 10 described herein already installed. These pre-installed doors may be transportable with the same or similar dimensions as doors without hardware installed, due to the narrow features of the temporary door hardware system 10 and the fact that the system may not include protruding components which would increase the transportation and storage dimensions of the system significantly. Thus, in one embodiment, an installer may simply need to install a strike plate or otherwise fashion the opening 24 in the door frame 26, and then install the door 12 having the temporary hardware system 10 pre-installed. The door 12 may be sold with the elongated elements (not shown) that allow for removal of the handle. Alternately, directions may be provided for the user to insert a screwdriver or other elongated element into the opening 44 in order to allow the first and second side components 14, 16 to be pulled apart and the temporary door hardware system 10 to be removed. Then, when an installer needs to install the permanent hardware, the temporary door hardware system 10 may be removed and disposed of, or (if no destruction of parts is required for removal) stored for later use.
Still further, a method of providing a door hardware system is also contemplated. The method may include attaching a temporary door hardware system to a door. This step may be performable in a factory during the manufacturing of the door, or prior to the purchase of the door by the consumer, or after the purchase of the door by a consumer. The method may further include attaching the male connecting section 34 with the female connecting section 38 by locking the locking tabs 36a, 36b into the channels 40a, 40b. The method may include securing the latch assembly 20 between the first and second side components 14, 16 and biasing the latch assembly 20, including extending the latch assembly 20 into the opening 24 and retracting the latch assembly 20 from the opening 24. The biasing may be accomplished with the spring 28. The method may include exerting a force on the door 12 which thereby causes the latch assembly to retract from the opening 24. The method may further include preventing the latch assembly 20 from being removed from the opening 24 when wind forces are exerted on the door 12, and allowing the latch assembly 20 to be removed from the opening 24 when a person exerts a direct pushing force on the door 12. This preventing and allowing the latching assembly 20 to be moved may be accomplished by the engineering tolerances and spring constant of the spring 28. Still further, the method may include permanently destroying one or both of the locking tabs 36a, 36b by inserting a device into the opening 44 found in a front face of the second side component 16 to break one or both of the locking tabs 36a, 36b. The method may further include replacing the temporary door hardware system 10 with a permanent door hardware system, and disposing of the replaced temporary door hardware system 10.
Referring now to
The first portion 120, is shown having a square cross section. This cross section may facilitate in the first portion 120 resting firmly within the U-shaped openings 56, 60 of the first and second side components 14, 16 described hereinabove. Thus, the U-shaped openings 56, 60 may include a flat base portion that is keyed to the square cross section of the first portion 120. In other embodiments, the U-shaped openings 56, 60 may include a rounded bottom or base. In this embodiment, the first portion 120 may include a circular or rounded cross section rather than a square one. However, the square or non-circular cross section of the first portion 120 (i.e. the square cross section) may ensure that the latch interface 114 is flush with the door.
The latch assembly 100, like the other components of the temporary door hardware system 10 described hereinabove, may be made from plastic, wood, rubber, a composite or the like. Thus, the latch assembly 100 may be at least substantially formed from a nonmetallic material. This may reduce the cost of the latch assembly 100 in the event that the device is configured to be disposable after use when final hardware is installed on the door. In other embodiments, certain components of the latch assembly 100 may be made from more robust materials other than plastic. For example, in one embodiment, the latch interface 114 may be made from metal, while the rest of the latch assembly 100 (other than the internal spring described hereinbelow), along with the first and second side components 14, 16, may be made from plastic. Other components that are determined to be prone to failure, for example, the attachment location between the cap 112 and the second portion 122 of the main body 110 may also be made from a more robust metallic or composite material if necessary. However, in light of the temporary nature of the latch assembly 100 and the hardware system 10, the amount of metallic components may be kept at a minimum.
The latch assembly 100 may be assembled from four components in the embodiment shown: the main body 110, the cap 112, the latch interface 114 and an internal spring (not shown) that may be housed within the second portion 122 of the main body. The internal spring may be configured to exert an outward force in a direction D. The latch interface 114 may be configured to be received in an opening, such as the opening 24 shown in
The internal spring may allow the latch interface 114 of the latch assembly 100 to retract from the opening of the latch strike when a threshold force is exerted on the door. In other words, the spring constant of the internal spring, like the spring 28, may be particularly fashioned to require specific threshold force to retract the latch assembly 100. The threshold force exerted on the door may also be considered a force that is exerted on the latch assembly 100, and in particular the latch interface 114, in a direction that is perpendicular to the direction of extension and retraction of the latch assembly latch interface 114. This is because the latch assembly 100 may a component of a temporary door hardware system 200 (shown in
The second portion 122 may be hollow or bored in order to accommodate the internal spring. Thus, the spring may extend from a base of the bored section proximate the first portion 120, to the second end 118 at the cap 112. The bore or hollow portion may only partially extend the length of the second length 126 of the second portion 122. The, the internal spring may have a length that corresponds to the length of the internal bore within the second portion 122. This may allow the internal spring to maintain a spring bias pressure against the latch interface 114 located within the cap 112. The second portion 122 may be open at the second end 118. This opening at the second end 118 may be configured to receive the cap 112.
The cap 112 may include an opening 132 configured to receive the latch interface 114. In the embodiment shown, the opening may be square in shape to accommodate the square cross section of the latch interface 114. The latch interface 114 may narrow to a tip 134. The base of the latch interface 114 (not shown) may widen to an even larger dimension than the portion that is exposed outside of the opening 132. This wide base of the latch interface 114 located within the cap 112 may have a square cross section. The bore or hallow of the second portion 122 may be square as well, and may include a seat for accommodating the square base of the latch interface 114. The seat may prevent the latch interface 114 from being compressed further into the cap 112 and the second portion 122. The seat may be located within the second portion 122 at a distance such that the tip 134 of the latch interface 114 may be fully retracted within the cap 112 prior to the latch interface 114 being stopped by the seat. Thus, the seat may not prevent the latch interface 114 from being contracted to a minimum point, but it may prevent the latch interface 114 from becoming stuck inside the cap 112 and the second portion 122 if a person tried to push the latch interface 114 even further beyond the minimum point where the tip 134 becomes retracted into the cap 112. The bore or hollow spring opening may be located below this latch interface seat. This bore may be circular to accommodate a circular internal spring.
The wide base of the latch interface 114 keep the latch interface 114 within the cap 112. The internal spring within the second portion 122 may press the widened base of the latch interface 114 against the opening 132. As shown in
The latch interface 114 may not be configured to retract or expand in conjunction with the turning, pushing, or other activation by a door handle. Instead, as shown in Figures, the latch interface 114 may be configured to be located between the first side component 14 and the second side component 16. As described hereinabove, the first side component 14 and the second side component 16 may not include a handle and may not be configured to actuate contraction or expansion of the latch interface 114 with respect to the side components 14, 16. Instead, the main body 110 and the cap 112 may always remain stationary with respect to the first and second side components 14, 16, while the latch interface 114 may move slightly from the force of the latch strike against the latch interface 114. Likewise, the opening and closing of the door may not require moving any components of the first and second side components. No handle may be included. Instead, a user simply may apply force on the door to pull or push the latch interface 114 from the opening of a latch strike. Thus, due to the curvature of the latch interface 114, the latch assembly 100 may rest in the opening of a latch strike such that a horizontal force on the latch assembly 100 will result in movement of the latch assembly 100 to retract in a direction opposite the direction D, as shown in
Referring now to
The first portion 120 of the main body 110 may further include a first section 140 located between the second portion 122 and the second stop 130. When the male connection section 34 of the first side component 14 is inserted into the female connection section 38 at a gap 142 located between the female connection section 38 and the second stop 130, the first portion 120 may be firmly held into the first position. In the first position, the first end 116 of the first portion 120 may extend outside the female connection section 38 a distance 144. Thus, the first position may place the second portion 122 of the latch assembly 100 closer to the first and second side components 14, 16. This may be useful for doors having a shorter distance between the middle of the hardware installation in the door, and the strike plate.
Other dimensions of the first portion 120 may be contemplated in order to accommodate differently dimensioned connecting sections 38, 34. For example, if the male and female connecting sections 34, 38 were dimensionally smaller than the embodiment shown in the Figures, the location of the stops of the first portion 120 may be adjusted to ensure that the first portion 120 is retainable between the first and second side components 14, 16 in two positions. It should further be understood that there may be embodiments where the attachment of the first and second side components 14, 16 is accomplished through other means than the male and female connecting sections 34, 38 described hereinabove. In these embodiments, the latch assembly 100 may include structural stops such as the stops 128, 130, for retaining the latch assembly 100 in two or more positions between the first and second side components 14, 16.
Referring now to
Having the option of both the first and second positions may allow the same temporary door hardware components to fit within all types of doors. Other embodiments are contemplated having additional stops in addition to the first and second stops 128, 130. For example, a third stop or fourth stop may be provided along the length of the first portion 120 of the main body 110. The stops 128, 130 may have a circular cross section, as shown in the Figures. However, in other embodiments, the stops 128, 130 may have a square, rectangular, or polygonal cross section, or the like. Whatever the embodiment, the stops 128, 130 may have a larger perimeter, diameter, or the like, compared to the first portion 120 of the main body 110.
Still further, while the stops 128, 130 are shown having a relatively thin thickness, larger sections of the length 124 of the first portion 120 may have larger dimensions. Rather than having stops, it is contemplated that the entirety of the second portion may have a larger dimension with the exception of lesser dimensional channels located where the U-shaped openings 54, 56, 58, 60 are inserted in order to allow the latch assembly 100 to be held between the first and second side components 14, 16 in two locations.
Elements of the embodiments have been introduced with either the articles “a” or “an.” The articles are intended to mean that there are one or more of the elements. The terms “including” and “having” and their derivatives are intended to be inclusive such that there may be additional elements other than the elements listed. The conjunction “or” when used with a list of at least two terms is intended to mean any term or combination of terms. The terms “first” and “second” are used to distinguish elements and are not used to denote a particular order.
While the invention has been described in detail in connection with only a limited number of embodiments, it should be readily understood that the invention is not limited to such disclosed embodiments. Rather, the invention can be modified to incorporate any number of variations, alterations, substitutions or equivalent arrangements not heretofore described, but which are commensurate with the spirit and scope of the invention. Additionally, while various embodiments of the invention have been described, it is to be understood that aspects of the invention may include only some of the described embodiments. Accordingly, the invention is not to be seen as limited by the foregoing description, but is only limited by the scope of the appended claims.
This Non-Provisional is a Continuation-in-Part application which claims priority to U.S. Nonprovisional application Ser. No. 14/251,089, filed Apr. 11, 2014 and entitled “TEMPORARY DOOR HARDWARE SYSTEM AND DOOR,” and further claims priority to U.S. Provisional Application Ser. No. 61/810,953, filed Apr. 11, 2013, the disclosures of which are hereby incorporated by reference to the extent that it is consistent with the present application.
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Number | Date | Country | |
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20150218858 A1 | Aug 2015 | US |
Number | Date | Country | |
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61810953 | Apr 2013 | US |
Number | Date | Country | |
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Parent | 14251089 | Apr 2014 | US |
Child | 14688809 | US |