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Apparatus for vibrating seats

  • US 5,556,161 A
  • Filed: 12/19/1994
  • Issued: 09/17/1996
  • Est. Priority Date: 12/04/1992
  • Status: Expired due to Fees
First Claim
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1. An apparatus for vibrating a seat comprising:

  • a driver'"'"'s seat;

    means for vibrating said driver'"'"'s seat; and

    means for controlling vibration of said means for vibrating the driver'"'"'s seat,wherein means for vibrating said driver'"'"'s seat includes an iron core installed under said driver'"'"'s seat, a support body for supporting said driver'"'"'s seat, an elastic body elastically supporting a lower end of said support body and installed on said iron core, annular spaces formed in upper and lower ends of said iron core, an annular exciting coil arranged concentrically in each of said annular spaces, a cavity in each of said exciting coils and connecting said annular spaces, at least an annular driving coil installed in a cavity for freely sliding vertically, a bore extending downward from the upperside of said iron core into an upper annular space of both annular spaces of said upper and lower ends of said iron core, a connecting piece in said bore and said upper annular space and connecting the upper part of said support body and said annular driving coil and means for supplying direct current to said exciting coils, and supplying alternating current to said annular driving coil so that said annular driving coil may be vertically vibrated.

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