Method of producing a steering wheel and steering wheel
First Claim
1. A method of producing a steering wheel that comprises an annular steering wheel rim and spokes, and further comprises a one-piece steering wheel skeleton as well as a sheathing therefore, said sheathing being one of the elements of a list comprising a foam covering and a leather covering, said sheathing surrounding said steering wheel skeleton, said method comprising the following steps:
- a) producing said one-piece steering wheel skeleton having, in order to define said steering wheel rim, an annular portion with a cross-section having a hollow profile, b) placing a body that serves as a spacer in said hollow profile in order to almost completely fill said hollow profile, c) deforming said one-piece steering wheel skeleton in an area of said annular portion such that said hollow profile is closed without being fully closed, and d) providing said closed, but not fully closed steering wheel skeleton with said sheathing at least in an area of said steering wheel rim.
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Accused Products
Abstract
The invention relates to a method of producing a steering wheel that comprises a closed annular steering wheel rim and spokes, and further comprises a steering wheel skeleton as well as a sheathing therefore, the sheathing being one of a foam covering and a leather covering that surrounds the steering wheel skeleton. The method comprises the following steps: a) the one-piece steering wheel skeleton is produced, it having, in order to form the steering wheel rim, a closed annular portion the cross-section of which has an open hollow profile; b) a body that serves as a spacer is placed in the open hollow profile in order to almost completely fill the hollow profile, and; c) the steering wheel skeleton is provided with the sheathing at least in an area of the steering wheel rim. The invention further relates to a steering wheel produced by such method.
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Citations
8 Claims
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1. A method of producing a steering wheel that comprises an annular steering wheel rim and spokes, and further comprises a one-piece steering wheel skeleton as well as a sheathing therefore, said sheathing being one of the elements of a list comprising a foam covering and a leather covering, said sheathing surrounding said steering wheel skeleton, said method comprising the following steps:
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a) producing said one-piece steering wheel skeleton having, in order to define said steering wheel rim, an annular portion with a cross-section having a hollow profile, b) placing a body that serves as a spacer in said hollow profile in order to almost completely fill said hollow profile, c) deforming said one-piece steering wheel skeleton in an area of said annular portion such that said hollow profile is closed without being fully closed, and d) providing said closed, but not fully closed steering wheel skeleton with said sheathing at least in an area of said steering wheel rim. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification