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Structure of hand tool

DC
  • US 5,803,584 A
  • Filed: 04/14/1997
  • Issued: 09/08/1998
  • Est. Priority Date: 04/14/1997
  • Status: Expired due to Term
First Claim
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1. A hand tool comprising:

  • a cylindrical casing having a plurality of longitudinal grooves equiangularly spaced around and along a periphery of the casing, and a tapered front end, a plurality of radial grooves on said front and respectively extended from said longitudinal grooves and met at a point, and an annular groove disposed around a periphery of said tapered front end and intersecting said radial grooves; and

    a tool bit unit mounted on said casing, said tool bit unit comprising a binding ring mounted in the annular groove of the tapered front end of said casing, and a set of bits respectively pivoted to said binding ring and turned between a first position received in the radial grooves and longitudinal grooves of said casing, and a second position retained in alignment with said casing longitudinally, each of said bits having bit body configured to be received in one longitudinal groove of said casing, and a flat oblique head pivoted to said binding ring and adapted to be received in one radial groove of the tapered front end of said casing.

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