Claims
- 1. A pawl latch for securing a first member to a second member wherein a pawl of the latch is provided to engage a keeper, said latch comprising:a) a housing which is adapted for mounting to one of said first member and said second member; b) a pawl member connected to said housing and adapted to engage a keeper to secure the latch in a closed position, wherein said pawl member comprises a living spring member; c) a handle pivotally connected to said housing and being movable over a pivot range including open and closed positions, said handle including actuating means for selectively engaging the pawl member when the handle is pivoted.
- 2. The latch of claim 1, wherein said pawl member has a foot which is disposed for engagement with said handle actuating means when said handle is pivoted.
- 3. The latch of claim 2, wherein said pawl member foot is provided with at least one slot therein, and wherein said actuation means comprises at least one finger, wherein said finger is moved into said slot upon pivotally moving the handle to retract said pawl by moving said pawl with said handle.
- 4. The latch of claim 2, further comprising locking means for locking said latch handle against movement relative to said housing.
- 5. The latch of claim 4, wherein said locking means comprises locking legs disposed on said handle and a locking member which has notches therein which correspond to said locking legs, said locking member being selectively rotatable between a first position wherein said notches are aligned with said locking legs to permit the handle to be movable relative to said housing and a second position, wherein said notches are not aligned with said locking legs to prevent movement of said handle relative to said housing.
- 6. The latch of claim 5, wherein said handle has a top surface with an aperture therein and wherein said locking legs comprise generally L-shaped members disposed on opposite sides of said aperture.
- 7. The latch of claim 1, wherein said housing comprises a seat on each side thereof for supporting said handle.
- 8. The latch of claim 7, wherein said handle has a top surface and a flange disposed on each side of said top surface extending downwardly therefrom, wherein each said flange engages said housing seat to position said handle relative to said housing.
- 9. The latch of claim 1, wherein said housing has stop means for holding the handle in a partially raised position.
- 10. The latch of claim 1, wherein said housing has stop means for securing the handle in a position relative to said housing.
- 11. The latch of claim 10, wherein said stop means comprises at least one leg member connected to the housing at one end thereof and having a free end with an engaging element thereon, and wherein said handle has at least one limiting element which is disposed on said handle to engage said engaging element of said at least one leg member when said handle is moved to said closed position of said handle.
- 12. The latch of claim 9, wherein said stop means comprises at least one leg member connected to the housing at one end thereof and having a free end with an engaging element therein, and wherein said handle has at least one limiting element which is disposed on said handle to engage said engaging element of said at least one leg member when said handle is pivoted.
- 13. The latch of claim 12, wherein said at least one limiting element comprises a tab portion extending downwardly from said handle surface.
- 14. The latch of claim 12, wherein said at least one leg member is a flexible member.
- 15. The latch of claim 12, wherein said at least one leg member comprises a spring member.
- 16. The latch of claim 4 wherein said locking means comprises a lockplug and a retaining member which connects said lockplug to said housing.
- 17. The latch of claim 1, wherein said housing has protruding flanges disposed vertically on each side of said pawl.
- 18. The latch of claim 1, further comprising latching facilitating means for increasing the engaging force between said pawl member and a keeper.
- 19. The latch of claim 18, wherein said pivot range includes at least one position over said range wherein said handle is closed, and wherein said latching facilitating means comprises a plurality of projecting elements provided on said handle to engage said pawl member and direct said pawl member toward said keeper when said handle is closed.
- 20. The latch of claim 1, wherein said housing has a pair of spaced apart flanges defining a space therebetween, and wherein said pawl member is disposed between said spaced apart flanges, said pawl member being pivotally movable when engaged with said handle, said pawl member having resistive means for imparting resistance to the pawl member relative to the housing when the pawl member is pivotally moved.
- 21. The latch of claim 20, wherein said resistive means comprises a boss disposed on each opposite lateral side of said pawl member for engagement with an adjacent housing flange.
- 22. The latch of claim 1, further comprising locking means for locking said handle against movement relative to said housing, wherein said housing further comprises a sleeve, and wherein said locking means comprises a lockplug carried in said sleeve.
- 23. The latch of claim 1, further comprising locking means for locking said handle against movement relative to said housing, wherein said locking means comprises a lockplug carried on said housing and mounted thereto with retaining means, wherein said handle has handle keeper means disposed on said handle, and wherein said lockplug has engaging means for selective positioning relative to said handle keeper means to secure and release said handle relative to said housing.
- 24. The pawl latch of claim 1, wherein said pawl member has slots disposed therein, and wherein said actuating means comprises fingers which are disposed for insertion into said slots to facilitate pivoting of said pawl member with said handle when said handle is pivoted.
- 25. A pawl latch for securing a first member to a second member, wherein the latch engages with a keeper, said latch comprising:a) a housing, including a pawl member connected thereto and being movable in relation to said housing; b) a handle pivotally connected to said housing and being pivotally movable over a pivot range, said handle including actuating means for engaging the pawl member; c) wherein said pawl member comprises a living spring member and includes a leg portion which is disposed for engagement with said handle actuating means upon rotation of said handle; d) wherein said pawl member is joined with said housing along an edge of the pawl member.
- 26. The latch of claim 25, wherein said pawl member leg portion is provided with at least one slot, and wherein said actuation means comprises at least one finger, wherein said finger is moved into said slot upon pivotally moving the handle to retract said pawl.
- 27. The latch of claim 25, further comprising locking means; wherein said handle has a top surface with an aperture therein; wherein said locking means includes locking legs disposed on said handle on opposite sides of said aperture, and a locking member which has notches therein which correspond to said locking legs, said locking member being selectively rotatable between a first position wherein said notches are aligned with said locking legs to permit the handle to be movable relative to said housing and a second position, wherein said notches are not aligned with said locking legs to prevent movement of said handle relative to said housing.
- 28. A pawl latch for securing a first member to a second member wherein a pawl of the latch is provided to engage a keeper, said latch comprising:a) a housing which is adapted for mounting to one of said first member and said second member, b) a pawl member connected to said housing and adapted to engage a keeper to secure the latch in a closed position, wherein said pawl member comprises a living spring and has a leg extending from the housing at a top end thereof and an engaging element at the bottom leg end thereof, said top leg end being connected to said housing along an edge thereof to form a pivot axis about which said pawl member pivots, and wherein said living spring biases said pawl member engaging element away from said housing; c) a handle pivotally connected to said housing and being movable over a pivot range, said handle including actuating means for selectively engaging the pawl member when the handle is pivoted.
- 29. A latch for securing a first member to a second member, said latch comprising:a) a housing which is adapted for mounting to the first member; b) a pawl member slidably supported by said housing, said pawl member being movable between extended and retracted positions, and said pawl member being adapted to secure the first member relative to the second member when said pawl member is in said extended position and the first member is in a closed position relative to the second member; c) a handle pivotally supported by said housing and being movable over a pivot range including open and closed positions; and d) an actuator positioned such that said handle engages said actuator as said handle moves from said closed position to said open position, said actuator at least engaging said pawl member so as to move said pawl member from said extended position toward said retracted position in response to pivotal movement of said handle toward said open position, said actuator being supported for linear movement relative to said housing such that said actuator moves linearly rearward relative to said housing in a direction parallel to a direction of movement of said pawl member as said pawl member moves toward said retracted position, in response to said handle pivotally moving toward said open position.
- 30. The latch of claim 29, further comprising biasing means for biasing said pawl toward said extended position.
- 31. The latch of claim 29, wherein said pawl member is provided with at least one slot therein, wherein said actuator has at least one leg that extends into said slot in said pawl member, and wherein said leg engages a rearward end of said slot in said pawl member upon pivotally moving said handle to retract said pawl.
- 32. The latch of claim 29, wherein said housing comprises a seat on each side thereof for supporting said handle in said closed position.
- 33. The latch of claim 32, wherein said handle has a top surface and a flange disposed on each side of said top surface extending downwardly therefrom, wherein each said flange engages said housing seat to position said handle relative to said housing.
- 34. The latch of claim 29, wherein said housing has detents for holding the handle in a partially raised position.
- 35. The latch of claim 29, further comprising:a lock plug supported by said housing for selective rotation between locked and unlocked positions; and a locking pawl arm attached to said lock plug so as to move rotationally with said lock plug between locked and unlocked positions, said locking pawl arm engaging the second member or a keeper fixedly located relative to the second member when said lock plug is in said locked position such that the first member remains secured in a closed position relative to the second member.
- 36. The latch of claim 35, wherein said locking pawl arm is resilient such that the first member can be moved to the closed position relative to the second member even with said lock plug in said locked position.
- 37. The latch of claim 35, further comprising biasing means for biasing said pawl toward said extended position.
- 38. The latch of claim 35, wherein said pawl member is provided with at least one slot therein, wherein said actuator has at least one leg that extends into said slot in said pawl member, and wherein said leg engages a rearward end of said slot in said pawl member upon pivotally moving said handle to retract said pawl.
- 39. The latch of claim 38, wherein said pawl member has a plurality of slots,wherein said actuator includes a base, a plurality of contact ribs extending upward from said base, and a plurality of legs which extend down ward from said base and into said plurality of slots provided in said pawl member, and wherein said plurality of contact ribs are engaged by said handle during movement of said handle toward said open position.
- 40. The latch of claim 39, wherein said plurality of contact ribs are angled to maximize contact with said handle during movement of said handle toward said open position.
- 41. The latch of claim 35, wherein said housing comprises a seat on each side thereof for supporting said handle in said closed position.
- 42. The latch of claim 41, wherein said handle has a top surface and a flange disposed on each side of said top surface extending downwardly therefrom, wherein each said flange engages said housing seat to position said handle relative to said housing.
- 43. The latch of claim 35, wherein said housing has detents for holding the handle in a partially raised position.
- 44. The latch of claim 29, wherein said pawl member is provided with at least one slot therein, wherein said actuator has at least one snap leg having a tapered flange portion, said at least one snap leg extending into said slot in said pawl member to thereby connect said actuator and said pawl member.
- 45. A latch for securing a first member to a second member, said latch comprising:a) a housing which is adapted for mounting to the first member; b) a pawl member slidably supported by said housing, said pawl member being movable between extended and retracted positions, and said pawl member being adapted to secure the first member relative to the second member when said pawl member is in said extended position and the first member is in a closed position relative to the second member; c) a handle pivotally supported by said housing and being movable over a pivot range including open and closed positions; and d) an actuator for selectively engaging said pawl member and at least moving said pawl member from said extended position toward said retracted position in response to pivotal movement of said handle from said closed position toward said open position, said actuator being slidably supported by said housing such that said actuator moves rearward relative to said housing in response to said handle moving toward said open position, wherein said pawl member has a plurality of slots, wherein said actuator includes a base, a plurality of contact ribs extending upward from said base, and a plurality of legs which extend down ward from said base and into said plurality of slots provided in said pawl member, wherein at least one of said plurality of legs engages a rearward end of a respective one of said plurality of slots in said pawl member upon pivotally moving said handle to retract said pawl, and wherein said plurality of contact ribs are engaged by said handle during movement of said handle toward said open position.
- 46. The latch of claim 45, wherein said plurality of contact ribs are angled to maximize contact with said handle during movement of said handle toward said open position.
- 47. A latch for securing a first member to a second member, said latch comprising:a) a housing which is adapted for mounting to the first member; b) a pawl member slidably supported by said housing, said pawl member being movable between extended and retracted positions and said pawl member being adapted to secure the first member relative to the second member when said pawl member is in said extended position and the first member is in a closed position relative to the second member; c) a handle pivotally supported by said housing and being movable over a pivot range including open and closed positions; d) an actuator for selectively engaging said pawl member and at least moving said pawl member from said extended position toward said retracted position in response to pivotal movement of said handle from said closed position toward said open position, said actuator being slidably supported by said housing such that said actuator moves rearward relative to said housing in response to said handle moving toward said open position; a lock plug supported by said housing for selective rotation between locked and unlocked positions; and a retaining member attached to said lock plug so as to move rotationally with said lock plug between locked and unlocked positions, said retaining member having an arm that interferes with rearward movement of said actuator when said lock plug is in said locked position such that movement of said pawl to said retracted position by actuation of said handle is prevented.
- 48. The latch of claim 47, further comprising biasing means for biasing said pawl toward said extended position.
- 49. The latch of claim 47, wherein said pawl member is provided with at least one slot therein, wherein said actuator has at least one leg that extends into said slot in said pawl member, and wherein said leg engages a rearward end of said slot in said pawl member upon pivotally, moving said handle to retract said pawl.
- 50. The latch of claim 49, wherein said pawl member has a plurality of slots,wherein said actuator includes a base, a plurality of contact ribs extending upward from said base, and a plurality of legs which extend down ward from said base and into said plurality of slots provided in said pawl member, and wherein said plurality of contact ribs are engaged by said handle during movement of said handle toward said open position.
- 51. The latch of claim 50, wherein said plurality of contact ribs are angled to maximize contact with said handle during movement of said handle toward said open position.
- 52. The latch of claim 47, wherein said housing comprises a seat on each side thereof for supporting said handle in said closed position.
- 53. The latch of claim 52, wherein said handle has a top surface and a flange disposed on each side of said top surface extending downwardly therefrom, wherein each said flange engages said housing seat to position said handle relative to said housing.
- 54. The latch of claim 47, wherein said housing has detents for holding the handle in a partially raised position.
- 55. A latch for securing a first member to a second member, said latch comprising:a) a housing which is adapted for mounting to the first member; b) a pawl member supported by said housing, said pawl member movable between extended and retracted positions, and said pawl member being adapted to secure the first member relative to the second member when said pawl member is in said extended position and the first member is in a closed position relative to the second member; c) a handle pivotally supported by said housing and being movable over a pivot range including open and closed positions; d) a lock plug supported by said housing for selective rotation between locked and unlocked positions; and e) a retaining member attached to said lock plug so as to retain said lock plug in said housing, wherein said retaining member moves rotationally with said lock plug between locked and unlocked positions.
- 56. The latch of claim 55, wherein said housing has a pin and said retaining member has a slot engaged by said pin to thereby guide rotational movement of said retaining member.
CROSS-REFERENCE TO RELATED APPLICATIONS
This is a continuation-in-part of U.S. application Ser. No. 09/510,417, filed on Feb. 22, 2000 now abandoned, which is a continuation-in-part of U.S. application Ser. No. 09/405,526, filed on Sep. 23, 1999, now abandonded which is a continuation-in-part of U.S. application Ser. No. 09/255,586, filed on Feb. 22, 1999 (now abandoned), the complete disclosures of which are herein incorporated by reference.
US Referenced Citations (13)
Continuation in Parts (3)
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Number |
Date |
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09/510417 |
Feb 2000 |
US |
Child |
09/557678 |
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US |
Parent |
09/405526 |
Sep 1999 |
US |
Child |
09/510417 |
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US |
Parent |
09/255586 |
Feb 1999 |
US |
Child |
09/405526 |
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US |