Movable or removable closures – Latch release of movement-stored energy
Patent
1980-10-31
1984-09-11
Downey, Kenneth
Movable or removable closures
Latch release of movement-stored energy
49386, 220264, E05F 100
Patent
active
044702205
ABSTRACT:
A first gear is fixedly connected to the rotary shaft of a swingably mounted lid, and is engaged with a second gear which is rotatably mounted on a stationary member. The second gear is biased by means of a spring in such a direction that the lid tends to swing open, while a ratchet portion having a recess is provided at a peripheral portion thereof. A pawl is arranged to engage with the recess to stop the rotation of the second gear, and is arranged to disengage with the recess to release the second gear when intended to open the lid. A brake member is interposed between the stationary member and the second gear to prevent the lid from rapid opening. The pawl may be manually disengaged from the recess by depressing a push-button operatively connected thereto. Such a push-button may be omitted if the shape of the recess is arranged to easily disengage from the pawl when the lid is pulled manually.
REFERENCES:
patent: 768869 (1904-08-01), Symons
patent: 1594219 (1926-07-01), Stockstrom
Downey Kenneth
Victor Company of Japan , Limited
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