Closure fasteners – Bolts – Multiple
Patent
1989-02-03
1990-06-26
Moore, Richard E.
Closure fasteners
Bolts
Multiple
292DIG14, 292216, E05C 326
Patent
active
049366114
ABSTRACT:
A latch mechanism including: a mounting plate carrying a slot having a bottom and mouth, the latch mechanism having disposed therewith a pivotably biased pawl mechanism comprising a top arm portion for pivoting from a position over the slot to a position spaced from it, the pawl having a bottom arm portion, and a follower mechanism for positioning the pawl with respect to the slot of the mounting plate, the pawl mechanism having a primary pivot about which it normally pivots or rotates and a secondary safety pivot about which the pawl is able to rotate if the primary pivot breaks and which secondary safety pivot does not interfere with any normal operation motion, the latch mechanism having disposed therewith a ratchet mechanism biased for rotation and carrying a notch having a mouth and control mechanism for controlling the position of the pawl mechanism with respect to the slot when the control mechanism of the ratchet engages the follower mechanism of the pawl, the latch mechanism having disposed therewith stop mechanism for stopping rotation of the ratchet mechanism with the mouth of the notch proximate the mouth of the slot both directed towards the top arm portion of the pawl, the top arm portion normally positioned over the slot and being precluded from movement away from the slot unless the mouth of the notch and mouth of the slot are both directed towards the top arm portion.
REFERENCES:
patent: 3905624 (1975-09-01), Fujita
patent: 4172768 (1979-10-01), Cerdan
patent: 4593945 (1986-06-01), Arute et al.
patent: 4756562 (1988-07-01), Foster et al.
Hughes Ivor M.
Magna International Inc.
Moore Richard E.
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