Electricity: circuit makers and breakers – Special application – Steering wheel – shaft or column mounted
Patent
1985-02-14
1986-06-10
Pellinen, A. D.
Electricity: circuit makers and breakers
Special application
Steering wheel, shaft or column mounted
200 6155, 200 6156, H01H 900
Patent
active
045944865
ABSTRACT:
A steering wheel has a ring, a boss positioned at the center of the ring, a spoke connecting the boss to the ring, a horn pad positioned on the boss. The horn pad has a shock absorber and a horn cover. Between the shock absorber and the horn cover is disposed a horn switch. The horn switch has a base plate fixed to the shock absorber, a horn plate positioned above and opposed to the base plate, a sheet spring member having a base portion fixed to the base plate through an insulating plate, and a plurality of foot portions supporting the horn plate, movable contact points secured to the foot portions of the sheet spring and fixed contact points secured to the base plate so as to be opposed to the movable contact points. The distance between the horn plate and the base plate is kept within the predetermined distance by means of engaging portions formed on the horn plate and the insulating plate, respectively. When the horn plate is pushed through the horn cover, the engaging portions are unengaged and the horn plate moves downward so that the foot portions flex downward. The movable contact points come in contact with the fixed contact points. As a result electric current flows into a horn through the horn switch to sound the horn.
REFERENCES:
patent: 4374310 (1983-02-01), Kato et al.
Ginsburg Morris
Pellinen A. D.
Toyoda Gosei Co,., Ltd.
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