Resilient latching device
AssigneeDonald M. Jason
InventorsDonald M. Jason, James A. Jason
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AssigneeDonald M. Jason
InventorsDonald M. Jason, James A. Jason
Estimating the term…
One-piece latches or door-retenting devices of elastomeric material of specified parameters, are constructed for disposition in the surface of a door or other supporting panel so that at least one lip projects outwardly from the edge or surface in elastically deformable relation to engage a striker bar or surface. A first type includes and elongated lip projecting or depending from one edge, the inner surface of the lip forming a slot which just accommodates the striker bar upon closure of the latch, the adjacent outer surface of the lip projecting in angular relation to the slot providing resilient latching action against the striker bar when the latch is opened or closed. Latch shapes of this type include "D" shape, "C" shape, round, square, polygonal and line configurations. A second type comprises a bellows-like latching member closed at one end with a protuberance in the form of an elastomeric bulb which is constructed to be elastically deformed by the striker bar or latching surface. Such a latch can be readily molded as an intergral part into a panel or container. Additional modifications include a shallow groove surrounding the body of the latch which is constructed to seat around the edge of an opening which has been cut in the closure accommodating the latch. These modified forms include tab latches having a single and a double lip, and knob latches including a round latch symmetrical about an axis through its center.
A one-piece door or panel retention device for latching against a striker bar or surface comprising a solid body of elastomeric material having a durometer hardness on the Shore A scale of between 20 and 90, a tensile strength between 550 and 2000 pounds per square inch (3.65 and 146.14 Kg/cm.sup.2), and a tear strength of between 75 and 300 pounds per linear inch (0.89 and 53.57 Kg/cm.), having along one edge thereof an outwardly-projecting lip forming a catch on an undercut surface of said lip, an outwardly-directed surface of said lip comprising a cam, at least a portion of which is constructed in closed relation of said latch to form a positive cross-sectional angle of between 15 degrees and 90 degrees with a plane parallel to a striker bar or surface of a panel wherein said door or panel retention device is installed.
A latching device for installation in or on a panel for latching said panel to a striker bar which device comprises a one-piece solid body of elastomeric material having a principal plane which, upon installation, is substantially parallel to the surface of said panel, said latching device having a latching lip which protrudes outwardly from the edge of said body in a direction both parallel to and normal to said principal plane, said lip cut on an inwardly-directed surface to form a catch which is constructed and arranged to just accommodate the thickness of said striker bar in latching relation, an outwardly directed surface of said latching lip comprising a protuberance for elastically-deformable engagement with said striker bar, at least a portion of the outwardly-directed surface of said protuberance forming in a cross-sectional plane an acute angle within the range 15 degrees to 75 degrees with a plane parallel to said principal plane;
A door or panel retention device constructed and arranged for installation in or on a rigid panel for latching said rigid panel to a striker bar or surface on a rigid panel, which device comprises a one-piece body of elastomer material consisting essentially of natural or synthetic rubber or elastoplastic material having durometer hardness within the range 20 to 100 on the Shore A scale and 0-100 on the Shore D Scale, an ultimate tensile strength of at least about 300 pounds per square inch, (21.9 Kg/cm.sup.2), a tear strength of at least about 35 pounds per linear inch (6.24 Kg/cm.), an ultimate elongation of at least about 125%, and a compressiblity of at least about 10%, comprising means for rigidly fastening said body to said panel, said one-piece body comprising a latch having at least one protuberance which is constructed and arranged at least one protuberance which is constructed and arranged when installed in said panel to project outwardly adjacent the edge of said panel in a direction normal to the edge of said panel, said outwardly-directed protuberance being constructed to engage in elastically-deformable relation with a transversely-disposed surface of said striker bar or surface when said door or panel retention device is being closed with reference to said striker bar or surface, and to disengage in elastically-deformable relation from said striker bar or surface when said retention device is opened.
A door or panel retention device for installation in or on a rigid panel for latching said rigid panel to a striker bar mounted on a rigid panel which device comprises a one-piece solid body of elastomeric material having a principal plane which, upon installation, is substantially parallel to the surface of said panel, said door or panel retention device having a latching lip which protrudes outwardly from the edge of said body in a direction both parallel to and normal to said principal plane, said lip cut on an inwardly-directed surface to form a catch which is constructed and arranged to just accommodate the thickness of said striker bar in latching relation, an outwardly directed surface of said latching lip comprising a protuberance for elastically-deformable engagement with said striker bar, at least a portion of the outwardly-directed surface of said protuberance forming in a cross-sectional plane an acute angle within the range 15 degrees to 75 degrees with a plane parallel to said principal plane;
A door or panel retention combination for installation on or adjacent the edges of a first door or panel and a second door or panel for alternatively maintaining said edges in spaced-apart open position or in intimately latched abutting position, which combination comprises:
A retention device constructed and arranged for installation in or on a rigid panel for latching said panel to a striker bar or surface, which device comprises a one-pice body of elastomer material, said one-piece body having a base comprising means for rigidly fastening said body to said panel, said last named means comprising an elongated slot in the peripheral edge of said one-piece body which is constructed to just accommodate the thickness of said rigid panel;
A door or panel retention combination comprising elements for installation on or adjacent the edges of a first door or rigid panel and a second door or rigid panel for alternatively maintaining said edges in spaced-apart open position or in elastically engaged abutting position, which combination comprises:
A door or panel retention combination for installatin on or adjacent the edges of a first door or rigid panel and a second door or rigid panel for alternatively maintaining said edges in spaced-apart open position or in elastically engaged abutting position, which combination comprises:
Dependencies are inferred from the claim text.