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Draw works

  • US 4,488,708 A
  • Filed: 09/01/1982
  • Issued: 12/18/1984
  • Est. Priority Date: 09/01/1982
  • Status: Expired due to Fees
First Claim
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1. A draw works, comprising:

  • a base;

    a drum shaft;

    a drum associated with said drum shaft;

    first support means for supporting said drum shaft off of said base at first and second spaced locations along a first section of said drum shaft extending from a first end of said drum, said first support means including;

    a first side plate supported by said base;

    a second side plate, spaced from said first side plate, supported by said base;

    a first bearing housing connected to said first side plate;

    a second bearing housing connected to said second side plate;

    a first bearing retained on said drum shaft in rotative and drum-shaft-supportive relationship with said first bearing housing; and

    a second bearing associated with said drum shaft in rotative and drum-shaft-supportive relationship with said second bearing housing;

    second support means for supporting said drum shaft off of said base at third and fourth locations along a second section of said drum shaft extending from a second end of said drum, said second support means including;

    a third side plate supported by said base;

    a fourth side plate, spaced from said third side plate, supported by said base;

    a third bearing housing connected to said third side plate;

    a fourth bearing housing connected to said fourth side plate;

    a third bearing retained on said drum shaft in rotative and drum-shaft-supportive relationship with said third bearing housing; and

    a fourth bearing associated with said drum shaft in rotative and drum-shaft-supportive relationship with said fourth bearing housing;

    said base including a plurality of support members extending transversely to said drum shaft and having said first, second, third and fourth side plates connected thereto;

    first power input means, disposed between said first and second side plates, for receiving a first power input to rotate said drum shaft; and

    second power input means, disposed between said third and fourth side plates, for receiving a second power input to rotate said drum shaft.

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