Double stroke over center latch

Details Double stroke over center latch Double stroke over center latch

1996-12-21

2000-03-14

Trettel, Micheal F.

Closure fasteners

Bolts

Hooked end

292DIG31, 292139, E05C 106

Patent

active

060362383

ABSTRACT:
A latch for a thrust reverser duct on an aircraft engine. The latch accomplishes work during both the closing stroke and the handle folding stroke. An outer handle 100 release trigger 112 can lock an outer handle 100 to an inner handle 60 to fix the relative position of the outer handle 100, the inner handle 60, an idler link 80, a rocker link 78 and a secondary link 75. While they are in fixed position, the parts act as a closing handle unit 125 during the closing stroke. Once the closing stroke is completed, the inner handle 60 is locked into a fixed position with hook arm 40 and a primary link 70. The outer handler release trigger 112 can then be disengaged and the secondary link 75, the rocker link 78 and the idler link 80 work to provide mechanical advantage during the folding of the outer handle 100.

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patent: 5138753 (1992-08-01), Sanharib
patent: 5152559 (1992-10-01), Henrichs
patent: 5556142 (1996-09-01), Zankich

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