Mechanical acceleration sensor
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United States of America Patent
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May 22, 1990
Grant Date -
N/A
app pub date -
Apr 26, 1989
filing date -
Apr 27, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanical acceleration sensor includes a housing and a weight which is rotatably supported by the housing. An actuating member for triggering an output device is mounted on an actuating arm which is rotatable in the same direction as the weight and abuts against the weight from one direction. The actuating arm is usually biased by a toggle spring in a direction for abutting against the weight, whereby the weight is held in its inoperative or initial position by the toggle spring. When the weight is rotated against the force of the toggle spring due to an inertial force, the biasing direction of the toggle spring is inverted to rotate the actuating arm away from the weight. The weight may be implemented as a pair of interconnected and spaced weight parts.
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