Claims
- 1. A latch assembly adapted for mounting on a door panel and securing said door panel to a frame, the latch assembly comprising:a base adapted to be mounted to the door panel; a catch pivotally mounted to said base for rotation about a first axis and having a contact portion; a strike adapted for mounted to said frame so that said strike can receive said catch; a handle pivotally mounted to said housing for rotation about a second axis; a link pivotally mounted to said catch at a first point and to said handle at a second point, said handle moveable between a first position where said contact portion of said catch is urged into contact against said strike via said link and a second position where said catch is retracted from said strike via said link; first oblong holes on said strike that provide horizontal adjustment of said strike; and second oblong holes on said base that provide vertical adjustment of said base, and wherein said panel and frame are of sheet metal construction and said base has a surface area that distributes load from said base to said sheet metal.
- 2. A latch assembly according to claim 1, wherein said link comprises a link member and said latch assembly forms a four bar linkage.
- 3. A latch assembly according to claim 2, further comprising a resilient compliance element that absorbs forces between said contact portion of said catch and said handle assembly.
- 4. A latch assembly according to claim 1, further comprising an adjusting device on said catch that adjusts said contact portion of said catch.
- 5. A latch assembly according to claim 1, wherein said adjustment device is a rotatable, threaded member mounted on said catch that adjusts said contact portion of said catch.
- 6. A latch assembly according to claim 5, further comprising a compliance element that absorbs forces between said adjusting device and said catch.
- 7. An adjustment device according to claim 5, wherein said adjustment device comprises a rotatable, threaded member mounted on said catch.
- 8. A latch assembly according to claim 1, further comprising a lock for locking said handle into said first position.
- 9. A latch assembly according to claim 1, further comprising a first aperture on said base and a second aperture on a driving link for insertion of a padlock to lock said handle in said first position.
- 10. A latch assembly adapted for mounting on a door panel and securing said panel to a frame, said latch assembly comprising:a base adapted to be mounted to said door panel; a catch pivotally mounted to said base for rotation about a first axis and having a contact portion; a strike adapted for mounting to said frame so that said strike can receive said catch; a handle pivotally mounted to said base for rotation about a second axis, said handle moveable between a first position where said contact portion of said catch is urged into contact against said strike and a second position where said catch is retracted from said strike; an adjusting device on said catch that adjusts said contact portion to said catch; first oblong holes on said strike that provide horizontal adjustment of said strike; and second oblong holes on said base that provide vertical adjustment of said base, and wherein said panel and frame are of sheet metal construction and said base has a surface area that distributes load from said base to said sheet metal.
- 11. A latch assembly according to claim 10, wherein said adjustment device comprises a rotatable, threaded member mounted on said catch that adjusts said contact portion of said catch.
- 12. A latch assembly adapted for mounting a panel and securing said panel to a frame, said assembly comprising:a base adapted to be mounted to said panel; a catch pivotally mounted to said housing for rotation about a first axis; a strike adapted for mounting to said frame so that said strike can received said catch; a handle assembly pivotally mounted to said housing for rotation about a second axis, said handle assembly moveable between a first position where a portion of said catch is urged into contact against said strike with a contact force, and a second position where said catch is retracted from said strike; first oblong holes on said strike that provide horizontal adjustment of said strike; second oblong holes on said base that provide vertical adjustment of said base, and wherein said panel and frame are of sheet metal construction and said base has a surface area that distributes load from said base to said sheet metal; and a compliance mechanism that absorbs at least port of the contact force.
- 13. A latch assembly according to claim 12, where said compliance mechanism absorbs over compression forces which peak at a dead point and overload forces when said door seal is unusually stiffened by ice or other foreign material.
- 14. A latch assembly according to claim 12, wherein said compliance element comprises a resilient link between said handle assembly and said catch.
- 15. A latch assembly according to claim 12, wherein said compliance element comprises an elastomeric portion of said catch.
- 16. A latch assembly according to claim 12, wherein said compliance element is a leaf spring.
- 17. A method for latching a door to a frame using a catch received in a strike, comprising the steps of adjusting a contact point of the catch with the strike;horizontally adjusting the strike via first oblong holes; vertically adjusting via second oblong holes, a base adapted to be mounted on said door; and urging the catch against the strike by moving a handle.
- 18. A method according to claim 17, wherein the adjusting step includes rotating a threaded contact member that is threaded into bore of the catch.
- 19. A method of latching a door to a frame using a catch received in a strike, comprising the steps of:urging the catch against the strike by using a handle; horizontally adjusting the strike via first oblong holes; vertically adjusting via second oblong holes, a base adapted to be mounted on said door; and absorbing at least part of a contact force between the catch and the strike with a compliance element when the handle is urging the catch against the strike.
- 20. A method according to claim 19, wherein the absorbing step is performed by a resilient link between the handle assembly and the catch.
- 21. A method according to claim 19, wherein the absorbing step is performed by an elastomeric portion of the catch.
- 22. A latch assembly for latching a door to a frame comprising:a strike; a catch adapted to be received in said strike; means for adjusting a contact point of said catch with said strike; means for urging the catch against the strike by moving a handle; means for horizontal adjustment of said strike; and means for vertical adjustment of a base adapted to be mounted on said door.
- 23. A latch assembly according to claim 22, wherein said adjusting means includes a threaded contact member that is threaded into a bore of said catch.
- 24. A latch assembly for latching a door to a frame comprising:a strike; a catch adapted to be received in said strike; means for urging the catch against the strike by using a handle; means for absorbing at least part of a contact force between said catch and said strike when the handle is urging the catch against the strike; means for horizontal adjustment of said strike; and means for vertical adjustment of a base adapted to be mounted on said door.
- 25. A latch assembly according to claim 24, wherein the absorbing means comprises a resilient link between the handle assembly and the catch.
- 26. A latch assembly according to claim 24, wherein the absorbing means comprises an elastomeric portion of the catch.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority of provisional patent application serial No. 60/256,547 entitled Door Latch filed Dec. 18, 2000, in the name of Allan D. Kelly, the disclosure of which is hereby incorporated by reference.
US Referenced Citations (15)
Provisional Applications (1)
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Number |
Date |
Country |
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60/256547 |
Dec 2000 |
US |