Gas damped deceleration switch

Details Gas damped deceleration switch Gas damped deceleration switch

1990-03-09

1991-05-21

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

200 6153, H01H 3514

Patent

active

050177435

ABSTRACT:
A gas damped deceleration switch for a vehicle performs repeatedly in a consistent manner in response to decelerating crash forces acting transversely to the direction of movement of the vehicle or traversely to the axis of the deceleration switch. A mass assembly comprising a mass and a damping member is supported for movement along the axis of the deceleration switch in response to deceleration of the vehicle. A spiral spring is connected to the mass assembly at a location in a plane which extends perpendicular to the axis of the deceleration switch and which contains the center of mass of the mass assembly. Axially transverse components of a deceleration pulse experienced by the deceleration switch act upon the movable mass assembly at the axial location wherein the movable mass assembly is least susceptible to being moved out of its position centrally aligned with the axis of the deceleration switch.

REFERENCES:
patent: 2863961 (1958-12-01), Bonnell et al.
patent: 3457382 (1969-07-01), Boswell
patent: 3553482 (1971-01-01), Tavis
patent: 3859483 (1975-01-01), Laserson et al.
patent: 4536629 (1985-08-01), Diller
patent: 4885439 (1989-12-01), Otsubo
patent: 4929805 (1990-05-01), Otsubo

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