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Hoist device

  • US 5,634,734 A
  • Filed: 10/13/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 10/13/1995
  • Status: Expired due to Term
First Claim
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1. A hoist device for fixed engagement to a threaded bore on an outer surface of a load member, said hoist device comprising:

  • a load engaging stud with a force supporting head, a cylindrical body portion with a lower, annular bearing shoulder and a threaded shank depending from said annular shoulder of said body portion;

    a base member having a body portion with a central passage through said base member and allowing a free swivel engagement of said base member with said load engaging stud when said stud is fixed to said load member by threading said shank through said central passage into said load member bore until said lower bearing shoulder is drawn against said outer surface of said load member, said central passage of said base member having an upper recess for capturing said force supporting head and an upper annular shoulder means for transmitting a force from said base member to said supporting head when said base member is pulled from said load member;

    a hoist ring having an upper bight portion and a lower generally cylindrical connecting portion;

    a hoist ring support member with a body portion;

    means for fixedly securing said support member to said base member while allowing said base member to swivel around said stud; and

    , a slot in one of said members between said body portion of said support member and the body portion said base member for capturing said connecting portion of said hoist ring between said base member and said support member while allowing said hoist ring to pivot in said slot.

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