IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0791948
(2001-02-23)
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발명자
/ 주소 |
- Bates, Peter K.
- Bradley, Truman
- Hendrickson, Thor
- Pompeii, Dario L.
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출원인 / 주소 |
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대리인 / 주소 |
Michael Best & Friedrich LLP
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인용정보 |
피인용 횟수 :
4 인용 특허 :
67 |
초록
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A convertible door latch assembly convertible between a non-locking configuration and a locking configuration. The convertible door latch assembly including a bolt housing, a bolt slidably engaging the bolt housing and having a first slot and a second slot, a drawbar slidably engaging the first slot
A convertible door latch assembly convertible between a non-locking configuration and a locking configuration. The convertible door latch assembly including a bolt housing, a bolt slidably engaging the bolt housing and having a first slot and a second slot, a drawbar slidably engaging the first slot and the bolt housing, a dead latch stop being engagable in the first slot to hold the drawbar in the first slot when the convertible door latch assembly is in the locking configuration, a plunger being slidably engagable in the second slot and being movable between an extended position and a retracted position when the convertible door latch assembly is in the locking configuration, and a pull slidably positionable within the first slot and moveable relative to the bolt when the convertible door latch is in the non-locking configuration.
대표청구항
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1. A convertible door latch assembly convertible between a non-locking configuration and a locking configuration, the convertible door latch assembly comprising: a bolt housing; a bolt slidably positioned within the bolt housing, the bolt having a first slot and a second slot; a dead latch stop sl
1. A convertible door latch assembly convertible between a non-locking configuration and a locking configuration, the convertible door latch assembly comprising: a bolt housing; a bolt slidably positioned within the bolt housing, the bolt having a first slot and a second slot; a dead latch stop slidably positioned in the first slot and moveable relative to the bolt when the convertible door latch is in the locking configuration, the dead latch stop being removeable when the convertible door latch is in the non-locking configuration; a drawbar slidably captured within the first slot of the bolt by the dead latch stop, the drawbar being moveable between a first retracted position, in which the drawbar and the bolt are substantially within the bolt housing, and a first extended position, in which a substantial portion of the drawbar and the bolt extend out of the bolt housing; a spring positioned in the bolt housing, the spring biasing the drawbar toward the first extended position; a plunger slidably positionable within the second slot and moveable relative to the bolt between a second extended position and a second retracted position when the convertible door latch is in the locking configuration, the plunger being removeable when the convertible door latch is in the non-locking configuration; and a pull slidably positionable within the first slot and moveable relative to the bolt when the convertible door latch is in the non-locking configuration, the pull being removeable when the convertible door latch is in the locking configuration; wherein when the convertible door latch assembly is in the locking configuration and the plunger is in the second retracted position, the dead latch stop engages the bolt housing, preventing the bolt from moving toward the bolt housing and when the plunger is in the second extended position the bolt is movable with respect to the bolt housing. 2. The convertible door latch assembly of claim 1, further comprising a second spring engaging the plunger and the bolt housing and biasing the plunger toward the second extended position when the convertible door latching assembly is in the locking configuration, the second spring being removable to convert the door latching assembly to the non-locking configuration. 3. The convertible door latch assembly of claim 1, further comprising a slide movably engaging the drawbar and being rotatable with respect to the bolt housing, wherein when the convertible door latch assembly is in the locking configuration and the plunger is in the second retracted position, rotating the slide releases the drawbar, permitting movement of the drawbar between the first extended position and the first retracted position. 4. The convertible door latch assembly of claim 1, further comprising a restore component, and wherein the convertible door latch assembly has a restore condition, in which the restore component is positioned in the second slot, and a non-restore condition, in which the restore component is removed from the second slot. 5. A convertible door latch assembly being convertible between a non-locking configuration and a locking configuration, the convertible door latch assembly comprising: a bolt housing; a bolt slidably engaging the bolt housing and having a first slot and a second slot; a drawbar slidably engaging the first slot and the bolt housing; a dead latch stop being engagable in the first slot to hold the drawbar in the first slot when the convertible door latch assembly is in the locking configuration, the deadlatch stop being removeable when the convertible door latch is in the non-locking configuration; a plunger being slidably engagable in the second slot and being movable between an extended position and a retracted position when the convertible door latch assembly is in the locking configuration, the plunger being removeable from the second slot when the convertible door latch assembly is in the non-locking configuration; and a pull s lidably positionable within the first slot and moveable relative to the bolt when the convertible door latch is in the non-locking configuration, the pull being removeable when the convertible door latch is in the locking configuration. 6. The convertible door latch assembly of claim 5, wherein the drawbar is movable relative to the bolt housing between a first extended position and a first retracted position, and wherein the plunger is movable axially along the bolt between a second extended position and a second retracted position when the convertible door latch is in the locking configuration and being removable to convert the door latch assembly to the non-locking configuration. 7. The convertible door latch assembly of claim 6, wherein when the plunger is in the second retracted position, the plunger engages the dead latch stop and the bolt housing, preventing the bolt from being depressed. 8. A The convertible door latch assembly of claim 7, further comprising a slide movably engaging the drawbar and being rotatable with respect to the bolt housing, wherein when the convertible door latch assembly is in the locking configuration and the plunger is in the second retracted position, rotating the slide releases the drawbar, permitting movement of the drawbar between the first extended position and the first retracted position. 9. The convertible door latch assembly of claim 5, wherein the drawbar is movable with respect to the bolt housing between a second extended position and a second retracted position, and further comprising a spring positioned in the bolt housing, engaging the bolt, and biasing the bolt toward the extended position. 10. The convertible door latch assembly of claim 5, further comprising a spring positioned in the bolt housing, engaging the plunger, and biasing the plunger in the extended position. 11. The convertible door latch assembly of claim 5, further comprising a pull slidably positioned within the first slot and moveable relative to the bolt when the convertible door latch assembly is in the non-locking configuration and removable to convert the door latch assembly to the locking configuration. 12. The convertible door latch assembly of claim 5, further comprising a restore component, wherein the convertible door latch assembly has a restore condition, in which the restore component is positioned in the second slot, and a non-restore condition, in which the restore component is removed. 13. The convertible door latch assembly of claim 12, wherein the drawbar is movable with respect to the bolt housing between a second extended position and a second retracted position, the bolt is movable with respect to the bolt housing between a third extended position and a third retracted position, and wherein when the convertible door latch assembly is in the restore condition, moving the drawbar to the second retracted position moves the bolt to the third retracted position. 14. A convertible door latch assembly having a restoring condition and a non-restoring condition, the convertible latch assembly comprising: a bolt housing; a bolt slidably engaging the bolt housing and having a first slot and a second slot; a drawbar slidably engaging the first slot and the bolt housing; a dead latch stop being engagable in the first slot to hold the drawbar in the first slot; and a restore component positioned in the second slot when the convertible door latch assembly is in the restore condition. 15. The convertible door latch assembly of claim 14, wherein the drawbar is movable with respect to the bolt housing between a first extended position and a first retracted position, the bolt is movable with respect to the bolt housing between a second extended position and a second retracted position, and wherein when the convertible door latch assembly is in the restore condition, moving the bolt to the second retracted position moves the drawbar to the first retracted position. 16. The convertible door latch assembly of claim 14, further comprising a plunger slidably engaging the second slot and being movable between a third extended and a third retracted position. 17. The convertible door latch assembly of claim 16 wherein the drawbar is movable relative to the bolt housing between a second extended position and a second retracted position. 18. The convertible door latch assembly of claim 17, wherein when the plunger is in the first retracted position, the plunger engages the dead latch stop and the bolt housing, preventing the bolt from being depressed. 19. The convertible door latch assembly of claim 18, further comprising a slide movably engaging the drawbar and being rotatable with respect to the bolt housing, wherein the convertible door latch assembly has a locking configuration and a non-locking configuration, and wherein when the convertible door latch assembly is in the locking configuration and the plunger is in the second retracted position, rotating the slide releases the drawbar, permitting movement of the drawbar between the first extended position and the first retracted position. 20. The convertible door latch assembly of claim 16, wherein the drawbar is movable with respect to the bolt housing between an extended position and a retracted position, and further comprising a spring positioned in the bolt housing, engaging the bolt, and biasing the bolt in the extended position. 21. The convertible door latch assembly of claim 14, wherein the convertible door latch assembly has a locking configuration and a non-locking configuration, and further comprising: a plunger slidably positioned in the second slot and being movable between an extended position and a retracted position when the convertible door latch assembly is in the locking configuration, the plunger being movable axially along the bolt between an extended position and a retracted position when the convertible door latch is in the locking configuration and being removable when the convertible door latch is in the non-locking configuration; and a spring positioned in the bolt housing, engaging the plunger, and biasing the plunger in the extended position. 22. The convertible door latch assembly of claim 14, wherein the convertible door latch assembly has a locking configuration and a non-locking configuration, and further comprising a pull slidably positioned within the first slot and moveable relative to the bolt when the convertible door latch assembly is in the non-locking configuration and removable when the convertible door latch assembly is in the locking configuration.
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