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Floor buffing machine with automatic pad pressure adjustment

  • US 5,253,384 A
  • Filed: 04/16/1992
  • Issued: 10/19/1993
  • Est. Priority Date: 04/16/1992
  • Status: Expired due to Fees
First Claim
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1. Apparatus for treating a floor comprising:

  • a housing;

    wheel means mounted to said housing for rollably supporting said housing on the floor;

    handle means connected to the housing for moving the housing over the floor on said wheel means;

    a first electric motor mounted on said housing;

    holder means mounted for rotational movement to said first motor for supporting a floor treatment element in confronting relation to the floor, said first motor being operative to rotate said holder means and said floor treatment element;

    means mounting the holder means to said first motor for vertical movement relative to the floor;

    lifter means connected to said holder means for supporting said holder means on said mounting means; and

    a second electric motor mounted to said housing and connected to said lifter means for raising and lowering said lifter means relative to the floor so as to engage and disengage the floor with the rotating floor treatment element.

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