Air actuated horn switch for a vehicle steering wheel assembly

Details Air actuated horn switch for a vehicle steering wheel assembly Air actuated horn switch for a vehicle steering wheel assembly

1996-06-25

1998-04-28

Culbreth, Eric D.

Land vehicles

Wheeled

Attachment

74484H, 74552, 200 6154, 200 83Z, 439 15, B60R 2116

Patent

active

057435553

ABSTRACT:
A vehicle steering wheel assembly includes a steering wheel body having a hole and a flexible outer cover. The cover and steering wheel body defines an air chamber. A diaphragm is disposed in line with the hole and includes an electrically conductive film on an opposed face. In an off position, the electrically conductive material is spaced from a pair of circuit traces in the clockspring. The circuit traces control a horn function. An operator may apply a force to the outer cover which drives the diaphragm and the electrically conductive material into contact with the circuit traces. An electrical circuit is closed and actuates the horn function. When the force is removed from the outer cover, the electrically conductive material moves out of contact with the circuit traces and into an off position.

REFERENCES:
patent: 4844359 (1989-07-01), Kato
patent: 5113048 (1992-05-01), Lafferty
patent: 5155309 (1992-10-01), Dwyer

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