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WORM-DRIVE LEVER

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Lever 3 is turned about fixed axis B by rotating worm 1 about fixed axis C-C. Flat spring 4 holds latch 2 in engagement with the worm. When handle a of latch 2 is depressed, the latch is disengaged from the worm and lever 3 can be turned freely about axis B. To enable latch 2 to be freely disengaged from the worm the latch is connected to lever 3 through an intermediate link 5 that turns freely about axis A.
$133$SL,L$

Linked items
Mechanisms: Worm-drive lever
Documents: Lever mechanisms  [Streambook]
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