Collision detecting apparatus

Details Collision detecting apparatus Collision detecting apparatus

1994-06-27

1996-12-17

Kincaid, Kristine L.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

H01H 3514

Patent

active

055856071

ABSTRACT:
A vehicle collision detecting apparatus is provided which includes a casing having an opening, a base support member fitted into the opening of the casing to retain a movable contact and a stationary contact, a mass member biased by a spring in a first direction along a given path of travel defined in the casing to urge the movable contact into constant disengagement from the stationary contact, and a stopper member formed on the base support member to restrict movement of the mass member in the first direction urged by the spring to hold the movable contact at a given contact gap away from the stationary contact. The mass member is responsive to acceleration caused by impact acting on the apparatus to move in a second direction opposite the first direction against a spring force exerted by the spring to engage the movable contact with the stationary contact to provide a signal indicative of occurrence of a vehicle collision.

REFERENCES:
patent: 3967079 (1976-06-01), Sasaya et al.
patent: 4184057 (1980-01-01), Kumita et al.
patent: 5306883 (1994-04-01), Manandhar et al.

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