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Driver tool

  • US 4,448,097 A
  • Filed: 12/10/1981
  • Issued: 05/15/1984
  • Est. Priority Date: 12/10/1981
  • Status: Expired due to Fees
First Claim
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1. A driver tool, comprising a handle, at least one driving bit, shaft means secured to said handle and adapted to secure said driving bit, and means for expanding a dimension of said handle, including a plurality of strips having like proximal ends joined to a proximal end portion of said handle, bushing means rotatable in common with said shaft means, said bushing means joined to like distal ends of said strips and translatable from a first position in which said strips are compressed longitudinally and expanded outwardly from said handle to a second position in which said strips are relaxed longitudinally and retracted toward said handle, means for releasably retaining said bushing means in said first position, and means for transferring torque from said strips to said bushing means.

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