Acceleration sensor for vehicle

Details Acceleration sensor for vehicle Acceleration sensor for vehicle

1992-09-16

1994-11-01

Pellinen, A. D.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200503, H01N 3514, H01N 112

Patent

active

053609565

ABSTRACT:
An acceleration sensor has a movable contact formed by a roll spring wound around a roller which can roll along a guide surface of a resinous frame, and stationary contacts mounted on the resinous frame to lie in a path of rolling movement of the roller. Two recesses are formed in the guide surface of the resinous frame and divided by a partition, and the stationary contacts are disposed in these recesses, respectively. The acceleration sensor ensures not only that the single movable contact be brought into contact with the two stationary contacts for conduction therebetween to thereby provide a function corresponding to two conventional acceleration sensors by a single acceleration sensor, but also that any dislocation of the two stationary contacts is restrained by the disposition thereof in the two recesses divided by the partition, thereby preventing short-circuit between both the stationary contacts.

REFERENCES:
patent: 3617669 (1971-11-01), Maloney
patent: 3643049 (1972-02-01), Lu Conic et al.
patent: 3812726 (1974-05-01), Bell
patent: 5178264 (1993-01-01), Russell II

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