Rolamite sensor

Details Rolamite sensor Rolamite sensor

1991-06-20

1993-01-12

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Rolamite-type

200 52R, H01H 112, H01H 3500

Patent

active

051782642

ABSTRACT:
A rolamite sensor for use in sensing deceleration of a vehicle includes two separate electrical circuits for actuating one or more occupant restraints such as air bags. The sensor has a base mounted on a chassis and a cover welded to the chassis to enclose the base. One surface of the base acts as a guide surface for a roller. A pair of thin metal bands are wrapped around the roller. The ends of the bands are fixed to the base. The roller is rollable on the guide surface under an applied force to cause the bands to engage firing contacts to complete the electrical circuits. The roller has a pair of spaced apart tubular metal caps supported on a non-conductive insert. Each band is welded to a respective one of the conductive metal caps of the roller.

REFERENCES:
patent: 3617669 (1971-11-01), Maloney
patent: 3643048 (1972-02-01), Crow et al.
patent: 5036304 (1991-07-01), Russell et al.

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