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Steering wheel

  • US 4,988,973 A
  • Filed: 08/19/1988
  • Issued: 01/29/1991
  • Est. Priority Date: 08/28/1987
  • Status: Expired due to Fees
First Claim
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1. A steering wheel comprising:

  • a steering shaft;

    a boss plate secured to the tip portion of said steering shaft;

    a ring portion mounted to said boss plate;

    light emitting means and light receiving means disposed oppositely to each other with said boss plate therebetween so as to perform light communication, said light emitting means having a plurality of light emitting units while said light receiving means having a plurality of light receiving units corresponding to said light emitting units of said light emitting means so as to transmit and receive light relative to each other, a pair of said light emitting units and said light receiving units transmitting and receiving the light relative to each other and constituting a communication unit; and

    a plurality of through holes formed on said boss plate in correspondence to said light emitting means and said light receiving means, a number of said through holes being more than a number of said communication units for light communication, said through holes permitting to pass therethrough light signals for the light communication of all said units.

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