| 摘要 |
<p>1533599 Door latch assembly ITW Ltd 29 March 1977 [30 March 1976] 12674/76 Heading E2A A door latch assembly has a latching element 7, a housing 1 and an operating element 11. The latching element 7 is mounted in the housing 1 for rotation about a first axis and the operating element 11 is mounted both for motion between an operative position adjacent to and an inoperative position away from the first axis and for rotation about axes parallel to the first axis. The operating element 11 and the latching element 7 are urged apart by a spring 16. A spigot 9 of the latching element 7 is engageable in a slot 15 of a finger plate 12, the latter comprising a part of the operating element 11 which, when rotated, with the spigot 9 in the slot 15, causes the latching element 7 to rotate. Figures 4 to 10 show various stages in the operation of the latch.</p> |
