Steering wheel horn switch

Details Steering wheel horn switch Steering wheel horn switch

1990-03-22

1991-07-30

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Steering wheel, shaft or column mounted

200 6155, H01H 900, B62D 104

Patent

active

050361694

ABSTRACT:
A horn switch mechanism of a steering wheel comprises a stationary contact plate having a locking hole, a movable contact plate having a base portion fixed to the stationary contact plate and contact portions extending upward from the base portion, a depressing plate disposed above the movable contact plate, a horn pad disposed above the depressing plate. The depressing plate is connected to a lead wire electrically connected to the horn control circuit. An electrical insulation spacer made of sythetic resin having spring elasticity is disposed between the stationary contact plate and the movable contact plate. The electrical insulation spacer comprises a base member, a projection piece projecting from side portion of the base member through a thin or hinge portion for holding upper and lower surfaces of the base portion of the movable contact plate in cooperation with the base member during bending at the thin or hinge portion, and a locking leg locked to peripheral edge of the locking hole of the stationary contact plate.

REFERENCES:
patent: 4374310 (1983-02-01), Kato et al.
patent: 4447684 (1984-05-01), Sugiyama
patent: 4594486 (1986-06-01), Noda
patent: 4789763 (1988-12-01), Nagata et al.
patent: 4899020 (1990-02-01), Ohno et al.

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