Structure of hand tool
DCFirst 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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Abstract
A hand tool includes a cylindrical casing which has a tapered front end, an annular groove around the tapered front end, and a plurality of tool bit grooves longitudinally extended from the tip of the tapered front end across the annular groove to the rear end of the casing, and a tool bit unit which includes a binding ring mounted in the annular groove of the casing, and a set of bits respectively pivoted to the binding ring and turned between a first position received in the tool bit grooves of the casing, and a second position retained in alignment with the casing longitudinally.
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Citations
3 Claims
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1. A hand tool comprising:
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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. - View Dependent Claims (2, 3)
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Specification