B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 25/26 (2006.01) B64C 25/00 (2006.01) E05B 65/12 (2006.01)
Patent
CA 2665638
This invention relates to a lock, for example to lock retractable devices such as retractable landing gear for aircraft in a retracted position. The lock (8) comprises a pivotally mounted hook member (10) with a hook portion (11) arranged to maintain a capture pin (7) attached for example to retractable landing gear in a predetermined position when locked. A pivotally mounted first stage latch assembly (20) is provided having a portion (21) arranged to engage with a corresponding portion (13) on the pivotally mounted hook member (10). A pivotally mounted second stage latch assembly (30) is also provided having a portion (31) arranged to engage a corresponding portion (23) of the first stage latch assembly (20) to maintain the first stage latch assembly (20) and hook member (10) in the predetermined locked position. An unlocking device (40) is arranged to rotate the second stage latch assembly (30) about its pivot (32) such that it is no longer engaged with the first stage latch member (20) and so that the first stage latch assembly (20) and hook member (10) rotate about their pivots (22, 12) to an unlocked position to release the capture pin.
Craig Wilson And Company
Ge Aviation Systems Limited
LandOfFree
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