Steering wheel with air bag cover and horn switch

Details Steering wheel with air bag cover and horn switch Steering wheel with air bag cover and horn switch

1995-11-14

1997-06-17

Johnson, Brian L.

Land vehicles

Wheeled

Attachment

200 6154, 200512, B60R 2120

Patent

active

056391145

ABSTRACT:
An air bag module (22) is supported by a vehicle steering wheel (20) and includes an inflatable air bag (24). A rupturable cover (40) is supported by the steering wheel (20) to conceal the air bag (24) when the air bag is uninflated. A vehicle horn switch (60) is located between the cover (40) and the air bag (24) and includes a first conductor (80) connectable with one of a vehicle horn (62) and a source of electrical power (64). A second conductor (82) extends substantially parallel to and is spaced from the first conductor (80). The second conductor (82) is electrically connectable to the other of the source of electrical power (64) and the vehicle horn (62). The second conductor (82) is deflectable to contact the first conductor (80) to actuate the horn (62). A film structure (84, 86) encloses the first and second conductors (80, 82). First projections (100) are attached to the film structure (86). A plurality of force concentrators (120) on the cover (40) extend toward the switch (60) and cooperate with the first projections (100) to concentrate force applied to the cover (40) to an area of the film structure (86) to deflect the second conductor (82) into electrical contact with the first conductor (80).

REFERENCES:
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patent: 4934735 (1990-06-01), Embach
patent: 5036169 (1991-07-01), Sakane
patent: 5085462 (1992-02-01), Gualtier
patent: 5198629 (1993-03-01), Hayashi et al.
patent: 5308106 (1994-05-01), Heidorn
patent: 5338059 (1994-08-01), Inoue et al.
patent: 5371333 (1994-12-01), Kanai et al.
patent: 5399819 (1995-03-01), Lang et al.
patent: 5499841 (1996-03-01), Trojan et al.
IBM Technical Disclosure Bulletin, vol. 12, No. 7, R. H. Harris and L. H. Sedaris, "Switch", p. 1130 . Dec. 1969.

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