The preferred embodiments of the present invention relate generally to oyster openers. More specifically, the preferred embodiment of the present invention relates to a lever-actuated, rack-and-pinion oyster opener device. The present invention may also relate to a method of opening oysters using a lever-actuated, rack-and-pinion oyster opener device.
Typically, oysters are opened using a traditional oyster knife. However, using oyster knife or other sharp utensil can be dangerous to the user because of the potential for slippage and the infliction of self-injury. In order to efficiently open oysters using these rudimentary methods, the oysters are often tilted or tipped. When the oysters are tilted or tipped, the oysters lose most, if not all, of the natural juices. Additionally, oysters are often tiled when opening to simplify holding the oyster in a hand while using an oyster knife to split the oyster via the hinge. When opening an oyster via the hinge, it is usual that even more natural oyster fluid is lost. This has a further drawback of making it harder to pry open the oyster because the hinge is tougher to penetrate and crack. Oyster openers still usually go through the hinge, however, because it is easier to find the seam when viewing the hinge.
It may be advantageous to provide an oyster opener and/or oyster opening system and/or oyster opening method which may preferably, but not necessarily: be configured to split the oyster via the bill; take advantage of a rack and pinion, or similar mechanism, to facilitate applying force to the oyster; be manually operated without the use of motors or electrical components; which may incorporate a motor such that the splitting operation is governed by the selection of a control, such as a button; be easy to clean; be at least partially collapsible to facilitate packing, shipping, and/or storage; be visually attractive; be suitable for use waterside or in boats; be sturdy enough for commercial use; use replaceable wedges; include a baseboard with recesses for implements and/or utensils; be efficient for manufacture; allow the opening of oysters without manually holding the oyster; also include a mechanism for providing an initial crack in the oyster prior to splitting; hold an oyster in a generally horizontal configuration; minimize the amount of natural oyster fluid lost during the opening process; be useful for use by people with limited strength or of advanced age; and/or be easy to use.
Briefly speaking, one embodiment of the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The oyster opening device may additionally comprise a lever and a holder. The lever may be positioned on the housing and configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The holder may be positionally fixed relative to the housing. The oyster opener device may be configured to hold an oyster. When the lever is rotated in a first direction along the arcuate path toward the first housing axial end, the rod may be driven along the drive axis toward the holder. The oyster opening device may then be configured to split open the oyster positioned thereon when the wedge is driven toward the holder.
In a separate aspect, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The housing may further comprise an oyster contact plate. The lever may have a snipper thereon. When the lever is rotated in a second direction along the arcuate path toward the second housing axial end, the snipper may be moved toward the oyster contact plate. The snipper and the oyster contact plate may be configured to form a crack in an unopened oyster positioned therebetween.
In a separate aspect, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may further comprise an oyster contact plate. The lever may have a snipper thereon. When the lever is rotated in a second direction along the arcuate path toward the second housing axial end, the snipper may be moved toward the oyster contact plate. The snipper and the oyster contact plate may be configured to form a crack in an unopened oyster positioned therebetween. The oyster opening device may also comprise a wedge positioned on the second rod axial end. A tip of the wedge may be configured for placement into the crack of the oyster to facilitate stability in the holding thereof when the wedge splits the oyster.
In a separate aspect, the present invention is directed to an oyster opening device. The oyster opener device may be configured to hold the oyster in a generally flat and horizontal position during splitting to reduce an amount of oyster fluid which leaves the oyster during splitting.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opener device may be configured to hold the oyster in a generally flat and horizontal position during splitting to reduce an amount of oyster fluid which leaves the oyster during splitting. The oyster may be abuttingly positioned between the holder and wedge. The holder may be positioned along the drive axis.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The wedge may comprise a horizontal blade and a vertical ramp. The horizontal blade may extend further from the rod along the drive axis than the vertical ramp. The vertical ramp assisting the horizontal blade in splitting open the oyster.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a lever. The lever may be positioned on the housing and configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The oyster opener device may be configured such that rotation of the lever in the first direction toward the first housing axial end only drives the rod and the wedge toward the holder if the rotation of the lever creates a compressive force between the lever and the supporting surface.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a lever. The lever may be positioned on the housing and configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The lever may comprise a handle portion. The oyster opener device may be configured for placement on a supporting surface. The lever may only drive the rod the rod toward the holder once the handle portion has been rotated along the arcuate path in the first direction past substantial perpendicularity with the supporting surface.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a lever. The lever may be positioned on the housing and configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The lever may comprise a handle portion. The oyster opener device may be configured for placement on a supporting surface. The lever may only drive the rod the rod toward the holder once the handle portion has been rotated along the arcuate path in the first direction past substantial perpendicularity with the supporting surface by at least twenty) (20°) degrees.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The housing may have an axial guide partially defining the channel. A protuberance may be located on the first rod axial end. The protuberance may be configured to abut the axial guide to prevent the rod from moving completely past the first housing axial end when moving toward the second housing axial end.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may a holder. The holder may be positionally fixed relative to the housing. The oyster opener device may be configured to hold an oyster. The holder may have a holder base which defines a groove therein. The groove may be configured to receive a portion of the oyster therein. The holder may further comprise a hand grip. The hand grip may be pivotally attached to the holder base. The hand grip may be configured to press down on the oyster abutting the holder base.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a baseboard configured to contact a supporting surface. The baseboard may be foldable along a longitudinal axis parallel to the drive axis to form first and second baseboard sections. The first baseboard section may have first and second major surfaces. The baseboard may be foldable such that the oyster opening device and the holder are positioned on the first major surface of the first baseboard section. The second baseboard section may be folded against the second major surface of the first baseboard section.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The wedge may be detachably positioned on the second rod axial end.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may further comprise a baseboard. The housing and the holder may be positioned on the baseboard. The baseboard may define a slot. The slot may be configured to store a utensil such as an oyster knife.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The housing may further comprise an oyster contact plate. The lever may have a snipper thereon. When the lever is rotated in a second direction along the arcuate path toward the second housing axial end, the snipper may be moved toward the oyster contact plate. The snipper and the oyster contact plate may be configured to form a crack in an unopened oyster positioned therebetween. The oyster contact plate may further define a blade configured to form a point contact with the oyster. The point contact may engage an opposite side of the oyster from the snipper to assist the snipper in forming the crack.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a lever. The lever may have a gear-like section thereon. The gear-like section may be at least partially located within the housing. The rod may have a plurality of splined grooves configured to engage the gear-like section of the lever.
In a separate embodiment, the present invention is directed to a method of opening an oyster. The method may comprise the step of positioning the oyster such that it is fixed in a generally flat and horizontal position. The method may also comprise the step of driving a wedge positioned on a rod into the oyster to split the oyster while the oyster is free of actual physical contact by a person and while the blade and rod are free of actual physical contact by the person. The wedge may be driven into the oyster while maintaining the oyster in the generally flat and horizontal position such that the amount of oyster fluid leaving the oyster during splitting is reduced.
In a separate embodiment, the present invention is directed to a method of opening an oyster. The method may also comprise the step of driving a wedge by applying a force along an arcuate path to drive the wedge along a drive axis into the oyster.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprising a housing having first and second housing axial ends. The housing may have an axial guide and an oyster contact plate. The axial partially may define a channel. The oyster opening device may also comprise a baseboard configured to contact a supporting surface. The housing may be positioned on the baseboard. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The rod may define a plurality of splined grooves therein. The oyster opening device may comprise a wedge positioned on the second rod axial end. A protuberance may be located on the first rod axial end. The protuberance may be configured to abut the axial guide to prevent the rod from moving completely past the first housing axial end when moving toward the second housing end. A lever may be positioned on the housing and may be configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The lever may further comprise a handle portion, a gear-like section, and a snipper. The gear-like section may be at least partially located within the housing. A holder may be positioned on the baseboard and may be axially aligned with the rod. The gear-like section may be configured to engage the plurality of splined grooves such that when the lever is rotated in a first direction along the arcuate path toward the first housing axial end the rod is driven along the drive axis toward the holder. The oyster opening device may be configured to split open the oyster positioned thereon when the wedge is driven toward the holder. When the lever is rotated in a second direction along the arcuate path toward the second housing axial end, the snipper may be moved toward the oyster contact plate. The snipper and the oyster contact plate may be configured to form a crack in an unopened oyster positioned therebetween.
In a separate embodiment, the present invention is related to a device for opening hard-shelled objects. The device may comprise a wedge for splitting open the shell. The device may be a rack-and-pinion capable of translating rotational force of a lever to a linear force in a rod. The rod may have a wedge at one end. The wedge may be a sharp blade. The hard-shelled object may be held flatly while it is being pried open by the wedge.
In a separate embodiment, the present invention is related to a lever-actuated, rack-and-pinion oyster opener device. The oyster opener device may comprise a piston-actuated rack and pinion oyster opener device. The oyster opener device may be permanently affixed to a tabletop, countertop, or other household, industrial, or restaurant surface where opening oysters efficiently and with reduced spillage of natural oyster juice is desired.
In a separate embodiment, the present invention is related to a device for opening hard-shelled objects. The device may comprise a wedge for splitting open the shell. The device may be a rack-and-pinion capable of translating rotational force of a lever to a linear force in a rod. The rod may have a wedge at one end. The wedge may be a sharp blade. The hard-shelled object may be held flatly while it is being pried open by the wedge. The device may be entirely manually driven and be free of any motors, hydraulics, or electrical devices.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The oyster opening device may additionally comprise a lever and a holder. The lever may be positioned on the housing and configured to drive the rod along the drive axis. The lever may be configured to move through an arcuate path about the housing. The holder may be positionally fixed relative to the housing. The oyster opener device may be configured to hold an oyster. When the lever is rotated in a first direction along the arcuate path toward the first housing axial end, the rod may be driven along the drive axis toward the holder. The oyster opening device may then be configured to split open the oyster positioned thereon when the wedge is driven toward the holder. The device may be entirely manually/hand driven and be free of (and/or not use) any motors, hydraulics, or electrical devices.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The oyster opening device may additionally comprise a motor, hydraulic system, or the like which automatically drives the rod in response to the operation of a controller by a user. The motor may be attached to housing directly, located therein, or may be in fluid or electric communication therewith. The holder may be positionally fixed relative to the housing. The oyster opener device may be configured to hold an oyster. When the control is activated the rod may be driven along the drive axis toward the holder. The oyster opening device may then be configured to split open the oyster positioned thereon when the wedge is driven toward the holder.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The oyster opening device may additionally comprise a motor, hydraulic system, or the like which automatically drives the rod in response to the operation of a controller by a user. The motor may be attached to housing directly, located therein, or may be in fluid or electric communication therewith. When the control is activated the rod may be driven along the drive axis toward the holder. The oyster opening device may then be configured to split open the oyster.
In a separate embodiment, the present invention is directed to an oyster opening device. The oyster opening device may comprise a housing defining a channel therein. The housing may have first and second housing axial ends. The oyster opening device may further comprise a rod having first and second rod axial ends. The rod may be moveably located in the channel along a drive axis. The oyster opening device may also comprise a wedge positioned on the second rod axial end. The oyster opening device may additionally comprise a motor, hydraulic system, or the like which automatically drives the rod in response to the operation of a controller by a user. The motor may be attached to housing directly, located therein, or may be in fluid or electric communication therewith. When the control is activated the rod may be driven along the drive axis toward the holder. The oyster opening device may then be configured to split open the oyster. The controller may be remotely located such as a desk mounted switch, or a software module on an electronic device/computer, or via a mobile application on a phone or tablet.
The foregoing summary, as well as the following detailed description of the preferred embodiments of the present invention will be better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, there are shown in the drawings embodiments which are presently preferred. At least one of the embodiments of the present invention is accurately represented by this application's drawings which are relied on to illustrate such embodiment(s) to scale and the drawings are relied on to illustrate the relative size, proportions, and positioning of the individual components of the present invention accurately relative to each other and relative to the overall embodiment(s). Those of ordinary skill in the art will appreciate from this disclosure that the present invention is not limited to the scaled drawings and that the illustrated proportions, scale, and relative positioning can be varied without departing from the scope of the present invention as set forth in the broadest descriptions set forth in any portion of the originally filed specification and/or drawings. It is understood, however, that the invention is not limited to the precise arrangements and instrumentalities shown. In the drawings:
Certain terminology is used in the following description for convenience only and is not limiting. The words “right,” “left,” “up,” and “down” designate the directions as they would be understood by a person facing in the viewing direction unless specified otherwise. At least one of the embodiments of the present invention is accurately represented by this application's drawings which are relied on to illustrate such embodiment(s) to scale and the drawings are relied on to illustrate the relative size, proportions, and positioning of the individual components of the present invention accurately relative to each other and relative to the overall embodiment(s). Those of ordinary skill in the art will appreciate from this disclosure that the present invention is not limited to the scaled drawings and that the illustrated proportions, scale, and relative positioning can be varied without departing from the scope of the present invention as set forth in the broadest descriptions set forth in any portion of the originally filed specification and/or drawings. The words “outer” and “inner” refer to directions away from and toward, respectively, the geometric center of the specified element, or, if no part is specified, the geometric center of the hinge system 10. The terms “downward” and “upward refers to directions above (or away from) and below (or toward) the supporting surface of the oyster opener during operation, respectively, unless specified otherwise. The terms “forward” and “front” refer to a direction in front of the oyster opening device 10, and the term “rear” and back refers to a direction behind the oyster opening device 10. The terms “axial” and “radial” refer to directions along the rod 20 and around the rod 24, respectively. The terms “touching,” “abutting,” “against,” and “contacting” when used in connection with two surfaces is defined as meaning “being positioned anywhere between actual touching of two surfaces to being in facing orientation and within 1 inch (or 2.54 centimeters) apart.” Those of ordinary skill in the art will appreciate from this disclosure that skill in the art will appreciate from this disclosure that when a range is provided such as (for example) an angle/distance/number/weight/volume/spacing being between one (1 of the appropriate unit) and ten (10 of the appropriate units) that specific support is provided by the specification to identify any number within the range as being disclosed for use with a preferred embodiment. For example, the recitation of a percentage of copper between one percent (1%) and twenty percent (20%) provides specific support for a preferred embodiment having two point three percent (2.3%) copper even if not separately listed herein and thus provides support for claiming a preferred embodiment having two point three percent (2.3%) copper. By way of an additional example, the recitation in the claims and/or in portions of the specification of the lever preferably only driving the rod when the handle portion of the lever is rotated along the arcuate path in the first direction past the substantial perpendicularity with the supporting surface by at least twenty (20°) degrees, provides specific literal support for any angle greater than twenty (20°) degrees, such as twenty-three (23°) degrees, thirty (30°) degrees, thirty-three-point five (33.5°) degrees, forty-five) (45°) degrees, fifty-two (52°) degrees, or the like. The language “at least one of ‘A’, ‘B’, and ‘C’,” as used in the claims and in corresponding portions of the specification, means “any group having at least one ‘A’; or any group having at least one ‘B’; or any group having at least one ‘C’; —and does require that a group have at least one of each of ‘A’, ‘B’, and ‘C’.” More specifically, the language ‘at least two/three of the following list’ (the list itemizing items ‘1’, ‘2’, ‘3’, ‘4’, etc.), as used in the claims, means at least two/three total items selected from the list and does not mean two/three of each item in the list. The term “interior”, as used in the claims and corresponding portions of the specification means the area proximate to the center of the invention. The term “exterior” similarly defines the area not in proximity to the center of the invention. Additionally, the words “a” and “one” are defined as including one or more of the referenced items unless specifically stated otherwise. The terminology includes the words specifically mentioned above, derivatives thereof, and words of similar import.
Referring generally to
Referring generally now to
Referring still to
A wedge 30 may be detachably affixed to the second rod axial end 24. Preferably, the wedge 30 may be sharp and horizontally aligned. The wedge 30 may form a horizontal blade 32. The horizontal blade 32 may form a tip 98. The wedge 30 may further comprise a vertical ramp 34 to induce further spreading of the oyster shell after the horizontal blade 32 cracks the seal. Preferably, the wedge 30 is only used when it is sharp, so a new replacement wedge 30 may be attached when the wedge 30 becomes dull. Additionally, the oyster opener device may include a plurality of interchangeable wedges such that a user can select the most appropriate size, material, etc. for use with a particular type of oyster or other shellfish.
Further, the oyster opening device 10 may comprise a lever 36. The lever 36 may comprise a handle portion 38. The handle portion 38 may be gripped and manipulated by the user of the device. The lever 36 may be connected to the housing 12 via a bolt 80. The bolt 80 may extend through both holes both in the housing 12 and the lever 36. The bolt 80 may allow for the pivotal rotation of the lever 36 about the housing 12. The bolt 80 may be held in place and inhibited from slipping axially by a pin 82. On of ordinary skill in the art would appreciate from this disclosure that the bolt 80 may be replaced by any suitable rod, beam, screw, bolt, or other element capable of affixing the handle 36 to the housing 12 while allow for the rotation of the handle 36 relative to the housing 12 without departing form the scope of the present disclosure. The lever 36 may extend into the channel 18.
The oyster opening device 10 may, but does not necessarily, include a holder 50. The holder 50 may be located a predetermined distance away from and may be axially aligned along the drive axis D with, the housing 12. The holder 50 may comprise a holder base 52 that does not move relative to the housing 12. The holder base 52 may comprise a groove 54 to accommodate a hinge 94 of an oyster 90. One of ordinary skill in the art would appreciate form this disclosure that the groove 54 may be multiple grooves or any other indentation suitable for receiving and preventing slippage of an oyster 90 being opened without departing from the scope of the present disclosure. The holder 50 may also comprise a hand grip 56 attached to the holder base 52 by a holder hinge 58. The holder hinge 58 may allow for rotation of the hand grip 56 relative to the holder base and to clamp down on the top shell of an oyster 90 in order to further reduce the slippage of the oyster 90 during the opening process as well as protect the hand of a user by physically distancing it from the wedge 30. The holder 50 may comprise a holding portion 102.
Still referring to
The baseboard may optionally define a slot 86 therein. The slot 86 may accommodate the storage of a utensil 88. The utensil 88 may be an oyster knife or any other tool desired for supplementing the opening of an oyster 90 by the oyster opening device 10. The baseboard may also optionally define an indentation 84. The indentation 84 may extend from the second housing axial end 16 to the holder base 52. The indentation 84 may accommodate a portion of an oyster shell that protrudes from an oyster's underside.
Referring specifically to
One of ordinary skill in the art would appreciate from this disclosure that the baseboard 60 as well as each of the various elements recited in this specification may be constructed from any plastics or polymers via injection molding, metals or metal alloys, or any other suitably strong, cheap to manufacture, lightweight, and wear-resistant materials without departing from the scope of the present invention. The baseboard 60 may be detachably-mounted to the supporting surface 108 via suction, clamping, or any other suitable means of affixing the baseboard 60 to the supporting surface without departing from the scope of the present disclosure. The baseboard 60 may also simply rest on the supporting surface 108 without being mounted to supporting surface 108.
Referring now to
Referring now to
The gear-like section 40 may be at least partially contained within the housing 12. “At least partially contained” preferably means that the gear-like section 40 is at least fifty percent (50%) enclosed by the housing 12. More preferably, “at least partially contained” means that the gear-like section 40 is at least seventy-five percent (75%) enclosed by the housing 12. Most preferably, “at least partially contained” means that the gear-like section 40 is fully enclosed by the housing 12.
Referring now to
Referring still to
One of the many advantages of this oyster opening device 10 may be that the oysters are opened horizontally. By opening oysters horizontally and allowing them to remain so during the opening process may allow for the internal juices of the oyster to be preserved even after the shell has been opened.
Referring now to
Referring now to
Referring now to
Referring now to
The oyster opener device may be used to open an oyster by a user according to the following steps. A small piece of the oyster shell may be placed on the pointed section of the housing and the top piece of the oyster shell opposite may be contacted by the wedged portion. The user then may apply a downward force to the lever in order to form a crack in the bill of the oyster using the snipper. The hinge of the oyster may then be placed in the holding portion and the tip of the splitting wedge may be positioned within the crack by pulling the rod toward the oyster. Once the splitting wedge is in position within the crack, the user may engage the lever by gripping the handle and pulling away from the oyster. At a predetermined point, the pinion may then engage with the rack located along the top of the rod. The force applied to the lever by the user pulling the lever may then be translated into a longitudinal force exerted by the rod onto the oyster. The force applied by the splitting wedge directly into the crack in the bill of the oyster may then split the seal on the oyster shell. The vertical component of the splitting wedge may further separate the top shelf from the bottom shell. The user may then release the tension in the shell and remove the shell from the device. An oyster knife may then be used to disconnect the remaining tissues within the oyster. One of ordinary skill in the art would appreciate from this disclosure that the steps mentioned above may be completed in any order, additional steps may be added, or existing steps may be omitted without departing from the scope of the present invention.
Further advantages of this device may be that the hands of the user may be safe by the use of the gripping portion that physically separates a user's hand from the area in which the splitting wedge is opening the oyster. Another advantage of this device may be that oysters can be opened at a rate much higher than they can be opened by hand using a typical oyster knife.
One of ordinary skill in the art will appreciate from this disclosure that the various components and elements of the present invention may be constructed of any suitably strong, wear-resistant, flexible (where desired), and inexpensive metals, polymers, alloys, plastics, and other materials without departing from the scope of the present invention.
One of ordinary skill in the art will appreciate from this disclosure that device elements, as well as materials, shapes and dimensions of device elements, as well as methods other than those specifically exemplified can be employed in the practice of the invention without resort to undue experimentation. All art-known functional equivalents, of any such materials and methods are intended to be included in this invention. The terms and expressions which have been employed are used as terms of description and not of limitation, and there is no intention that in the use of such terms and expressions of excluding any equivalents of the features shown and described or portions thereof, but it is recognized that various modifications are possible within the scope of the invention claimed, described in the specification, and/or shown in the figures. Thus, it should be understood that although the present invention has been specifically disclosed by preferred embodiments and optional features, modification and variation of the concepts herein disclosed may be resorted to by those skilled in the art, and that such modifications and variations are considered to be within the scope of this invention.
This application claims priority to and benefit of U.S. Provisional Patent No. 63/162,070, filed Mar. 17, 2021, which is hereby incorporated by reference in its entirety as if fully set forth herein.
Number | Name | Date | Kind |
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1212464 | Edwards | Jan 1917 | A |
1857872 | Robinson | May 1932 | A |
2052231 | Kanzler | Aug 1936 | A |
2296049 | Plate | Sep 1942 | A |
2571214 | Dean | Oct 1951 | A |
3151352 | Hagen | Oct 1964 | A |
4255835 | Demulder | Mar 1981 | A |
7993186 | Rotello | Aug 2011 | B1 |
Number | Date | Country | |
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20220296017 A1 | Sep 2022 | US |
Number | Date | Country | |
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63162070 | Mar 2021 | US |