Steering wheel with electric heating and process for its manufac

Details Steering wheel with electric heating and process for its manufac Steering wheel with electric heating and process for its manufac

1990-01-16

1991-12-10

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with diverse-type art device

219202, 219200, 219549, B60L 102

Patent

active

050720937

ABSTRACT:
The instant invention relates to a steering wheel with electric heating and to a process for its manufacture. In a first embodiment of the invention a heating conductor made of spring steel (7) is used and is imbedded in an outer zone of the steering wheel sheath with spring force directed outwardly and which is wound so that it provides interconnected, clamp-like open windings (8). This configuration of the spring wire (7) causes it to adhere to the inside of the torus-shaped foaming ring (5) during the foaming process in manufacture, so that it is thereby held in the desired position and need not be slung around the steering wheel core (6) with individual windings. In a further embodiment of the invention the heating conductor is formed so that the sheath consists of foaming material into which the appropriate amount of conductive particles is incorporated.

REFERENCES:
patent: 1117473 (1914-11-01), Barton
patent: 1934988 (1933-11-01), May
patent: 2392539 (1946-01-01), Leible
patent: 2662961 (1953-12-01), Sargent
patent: 2835777 (1958-05-01), Gates
patent: 4194536 (1980-03-01), Stine et al.
patent: 4783586 (1988-11-01), Takeda
Revue Automobile Feb. 24, 1989, Band 84, No. 8, p. 13, Trois Trouvailles Pour Ameliorer Le Confort El La Securite.

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