A latch assembly for a movable closure element. The latch assembly has a housing with first and second rotors each movable relative thereto between a first latched position, a release position, and a second latched position. The first and second rotors in their first and second latched positions def
A latch assembly for a movable closure element. The latch assembly has a housing with first and second rotors each movable relative thereto between a first latched position, a release position, and a second latched position. The first and second rotors in their first and second latched positions define a receptacle with an effective diameter and a center line that is angularly disposed to the line of a straight edge on the housing. With the rotors in their first latched positions, the center line of the receptacle is spaced from the first line a first distance. The center line of the receptacle is at a first location with the rotors in their first latched position and a second location with the rotors in their second latched positions. The first and second locations are spaced a second distance. The effective diameter of the receptacle, with the first and second rotors in their first latched positions, varies from each of the first and second distances by no more than ��40%.
대표청구항▼
The invention claimed is: 1. A latch assembly for a movable closure element, said latch assembly comprising: a housing having a peripheral edge defined in part by two substantially straight top edge portions extending along a first line; a first rotor movable relative to the housing selectively bet
The invention claimed is: 1. A latch assembly for a movable closure element, said latch assembly comprising: a housing having a peripheral edge defined in part by two substantially straight top edge portions extending along a first line; a first rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched position and the release position, the first rotor having a U-shaped body with spaced first and second legs, a second rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched and release positions for the second rotor, the second rotor having a U-shaped body with spaced third and fourth legs; and an operating assembly having a latched state and an unlatched state, the operating assembly in the latched state releasably maintaining the first rotor in its first and second latched positions and the second rotor in its first and second latched positions, the first and second legs and third and fourth legs cooperating to produce a scissors action as the first and second rotors are changed from their release positions into each of their first and second latched positions, wherein the first and second rotors in their first and second latched positions define a receptacle with an effective diameter and a center line that is angularly disposed to the first line, wherein with the first and second rotors in their first latched positions, the center line of the receptacle is spaced from the first line a first distance, wherein the center line of the receptacle is situated at a) a first location with the first and second rotors in their first latched position and b) a second location with the first and second rotors in their second latched positions, wherein the first and second locations are spaced from each other a second distance, wherein the effective diameter of the receptacle, with the first and second rotors in their first latched positions, varies from each of i) the first distance, and ii) the second distance by no more than ��40%, and the center line of the receptacle resides outside of both top straight edge portions of the peripheral edge of the housing extending along the first line with the first and second rotors in their second latched positions so that the first and second rotors in their second latched positions maintain a closure element with which the latch assembly is associated latched closed with the closure element noticeably ajar and/or with the latch assembly and a cooperating strike element slightly out of alignment, the first line substantially orthogonal to a line between the first and second locations. 2. The latch assembly according to claim 1 wherein the effective diameter of the receptacle, with the first and second rotors in their first latched positions, is approximately equal to the second distance. 3. The latch assembly according to claim 1 wherein a ratio of the first distance to the effective diameter of the receptacle, with the first and second rotors in their first latched positions, is less than one. 4. The latch assembly according to claim 1 wherein i) the effective diameter of the receptacle, with the first and second rotors in their first latched positions, ii) the first distance, and iii) the second distance, are approximately equal. 5. The latch assembly according to claim 1 in combination with a movable closure element. 6. The latch assembly according to claim 1 wherein the first rotor is movable around a first pivot axis between its first latched and release positions, the second rotor is movable around a second axis that is substantially parallel to the first axis between its first latched and release positions, the center line of the receptacle extends substantially parallel to the first and second axes, and the center line of the receptacle, with the first and second rotors in their second latched positions, is spaced from a line extending between the first and second axes a third distance that is substantially greater than 0.35 inches. 7. The latch assembly according to claim 6 wherein the third distance is on the order of 0.75 inches. 8. The latch assembly according to claim 6 wherein with the first and second rotors in their second latched positions, the legs on the first and second rotors extend fully around the receptacle. 9. The latch assembly according to claim 6 wherein the first and second axes are spaced from each other on the order of 2.5 inches. 10. The latch assembly according to claim 1 wherein with the first and second rotors in their first latched positions, the center line of the receptacle resides within the peripheral edge of the housing. 11. The latch assembly according to claim 1 wherein with the first and second rotors in their second latched positions, the center line of the receptacle resides outside of the peripheral edge of the housing. 12. The latch assembly according to claim 1 wherein the peripheral edge of the housing bounds a space, the receptacle with the first and second rotors in their first latched positions residing entirely within the space, and the receptacle residing at least partially outside of the space with the first and second rotors in their second latched positions. 13. In combination: i) a latch assembly for a movable closure element, said latch assembly comprising: a housing having a peripheral edge defined in part by two substantially straight top edge portions extending along a first line; a first rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched position and the release position, the first rotor having a U-shaped body with spaced first and second legs, a second rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched and release positions for the second rotor, the second rotor having a U-shaped body with spaced third and fourth legs; and an operating assembly having a latched state and an unlatched state, the operating assembly in the latched state releasably maintaining the first rotor in its first and second latched positions and the second rotor in its first and second latched positions, the first and second legs and third and fourth legs cooperating to produce a scissors action as the first and second rotors are changed from their release positions into each of their first and second latched positions; and ii) a strike element having a diameter to be maintained in the receptacle with the first and second rotors in each of their first and second latched positions and a center line that is angularly disposed to the first line, wherein with the first and second rotors in their first latched positions, the center line of the strike element in the receptacle is spaced from the first line a first distance, wherein the center line of the strike element in the receptacle is situated at a) a first location with the first and second rotors in their first latched position and b) a second location with the first and second rotors in their second latched positions, wherein the first and second locations are spaced from each other a second distance, wherein the diameter of the strike element varies from each of i) the first distance and ii) the second distance, by no more than ��40% and the center line of the receptacle resides outside of both top straight edge portions of the peripheral edge of the housing extending along the first line with the first and second rotors in their second latched positions so that the first and second rotors in their second latched positions maintain a closure element with which the latch assembly is associated latched closed with the closure element noticeably ajar and/or with the latch assembly and the strike element slightly out of alignment, the first line substantially orthogonal to a line between the center lines of the strike element with the strike element in the receptacle and the first and second rotors in their first and second latched positions. 14. The combination according to claim 13 wherein the diameter of the strike element is approximately equal to the second distance. 15. The latch assembly according to claim 13 wherein the ratio of the first distance to the diameter of the strike element is less than one. 16. The latch assembly according to claim 13 wherein i) the diameter of the strike element, ii) the first distance, and iii) the second distance, are approximately equal. 17. The latch assembly according to claim 13 in combination with a movable closure element. 18. The latch assembly according to claim 13 wherein the first rotor is movable around a first pivot axis between its first latched and release positions, the second rotor is movable around a second axis that is substantially parallel to the first axis between its first latched and release positions, the center line of the strike element extends substantially parallel to the first and second axes, and the center line of the strike element is spaced from a line extending between the first and second axes a third distance that is substantially greater than 0.35 inches with the first and second rotors in their second latched positions. 19. The latch assembly according to claim 18 wherein the third distance is on the order of 0.75 inches. 20. The latch assembly according to claim 18 wherein with the first and second rotors in their second latched positions, the first and second rotors extend fully around the receptacle. 21. The latch assembly according to claim 18 wherein the first and second axes are spaced from each other on the order of 2.5 inches. 22. The latch assembly according to claim 13 wherein with the first and second rotors in their first latched positions, the center line of the strike element resides within the peripheral edge of the housing. 23. The latch assembly according to claim 13 wherein with the first and second rotors in their second latched positions, the center line of the strike element resides outside of the peripheral edge. 24. The latch assembly according to claim 13 wherein the peripheral edge of the housing bounds a space, the receptacle with the first and second rotors in their first latched positions residing entirely within the space, and the receptacle residing at least partially outside of the space with the first and second rotors in their second latched positions. 25. A latch assembly for a movable closure element, said latch assembly comprising: a housing having a peripheral edge defined in part by two substantially straight top edge portions extending along a first line; a first rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched position and the release position, the first rotor having a U-shaped body with spaced first and second legs, a second rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched and release positions for the second rotor, the second rotor having a U-shaped body with spaced third and fourth legs; and an operating assembly having a latched state and an unlatched state, the operating assembly in the latched state releasably maintaining the first rotor in its first and second latched positions and the second rotor in its first and second latched positions, the first and second legs and third and fourth legs cooperating to produce a scissors action as the first and second rotors are changed from their release positions into each of their first and second latched positions, wherein the first and second rotors in their first and second latched positions define a receptacle with an effective diameter and a center line that is angularly disposed to the first line, wherein with the first and second rotors in their first latched positions, the center line of the receptacle is spaced from the first line a first distance; wherein the center line of the receptacle is situated at a) a first location with the first and second rotors in their first latched position and b) a second location with the first and second rotors in their second latched positions, wherein the first and second locations are spaced from each other a second distance, wherein with the first and second rotors in their first latched positions, the receptacle extends to adjacent the first line, wherein the effective diameter of the receptacle with the first and second rotors in their first latched position varies from the second distance by no more than ��20% and the center line of the receptacle resides outside of both top straight edge portions of the peripheral edge of the housing extending along the first line with the first and second rotors in their second latched positions so that the first and second rotors in their second latched positions maintain a closure element with which the latch assembly is associated latched closed with the closure element noticeably ajar and/or with the latch assembly and a cooperating strike element slightly out of alignment, the first line substantially orthogonal to a line between the first and second locations. 26. The latch assembly according to claim 25 wherein the effective diameter of the receptacle, with the first and second rotors in their first latched positions, varies from the second distance by no more than 15%. 27. The latch assembly according to claim 25 wherein the ratio of the first distance to the effective diameter of the receptacle, with the first and second rotors in their first latched positions, is less than one. 28. The latch assembly according to claim 25 wherein the effective diameter of the receptacle, with the first and second rotors in their first latched positions, and the second distance, are approximately equal. 29. The latch assembly according to claim 25 wherein with the first and second rotors in their first latched positions, the center line of the receptacle resides within the peripheral edge of the housing. 30. The combination according to claim 29 wherein the diameter of the strike element is approximately equal to the second distance. 31. The combination according to claim 29 wherein the ratio of the first distance to the diameter of the strike element is less than one. 32. The combination according to claim 29 wherein i) the diameter of the strike element, ii) the first distance, and iii) the second distance, are approximately equal. 33. The latch assembly according to claim 25 wherein with the first and second rotors in their second latched positions, the center line of the receptacle resides outside of the peripheral edge of the housing. 34. The latch assembly according to claim 25 wherein the peripheral edge of the housing bounds a space, the receptacle with the first and second rotors in their first latched positions residing entirely within the space, and the receptacle residing at least partially outside of the space with the first and second rotors in their second latched positions. 35. In combination: i) a latch assembly for a movable closure element, said latch assembly comprising: a housing having a peripheral edge defined in part by two substantially top straight edge portions extending along a first line; a first rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched position and the release position, the first rotor having a U-shaped body with spaced first and second legs, a second rotor movable relative to the housing selectively between a) a first latched position, b) a release position, and c) a second latched position between the first latched and release positions for the second rotor, the second rotor having a U-shaped body with spaced third and fourth legs; and an operating assembly having a latched state and an unlatched state, the operating assembly in the latched state releasably maintaining the first rotor in its first and second latched positions and the second rotor in its first and second latched positions, the first and second legs and third and fourth legs cooperating to produce a scissors action as the first and second rotors are changed from their release positions into each of their first and second latched positions; and ii) a strike element having a diameter to be maintained in the receptacle with the first and second rotors in each of their first and second latched positions and a center line, wherein with the first and second rotors in their first latched positions and the strike element in the receptacle, the strike element extends to adjacent to first line, wherein with the first and second rotors in their first latched positions, the center line of the strike element in the receptacle is spaced from the first line a first distance; wherein the center line of the strike element in the receptacle is situated at a) a first location with the first and second rotors in their first latched position and b) a second location with the first and second rotors in their second latched positions, wherein the first and second locations are spaced from each other a second distance, wherein the diameter of the strike element varies from the second distance by no more than ��20% and the center line of the receptacle resides outside of both top straight edge portions of the peripheral edge of the housing extending along the first line with the first and second rotors in their second latched positions so that the first and second rotors in their second latched positions maintain a closure element with which the latch assembly is associated latched closed with the closure element noticeably ajar and/or with the latch assembly and the strike element slightly out of alignment, the first line substantially orthogonal to a line between the first and second locations. 36. The combination according to claim 35 wherein with the first and second rotors in their first latched positions, the center line of the strike element resides within the peripheral edge of the housing. 37. The latch assembly according to claim 35 wherein with the first and second rotors in their second latched positions, the center line of the strike element resides outside of the peripheral edge of the housing. 38. The latch assembly according to claim 35 wherein the peripheral edge of the housing bounds a space, the receptacle with the first and second rotors in their first latched positions residing entirely within the space, and the receptacle residing at least partially outside of the space with the first and second rotors in their second latched positions.
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이 특허에 인용된 특허 (9)
Horst Kutschat DE, Door lock, in particular for tractors.
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