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Leverage screwdriver

  • US 4,000,767 A
  • Filed: 10/09/1975
  • Issued: 01/04/1977
  • Est. Priority Date: 10/09/1975
  • Status: Expired due to Term
First Claim
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1. A hand tool assembly for turning rotary fasteners, comprising:

  • a tool having a fastener-engaging end, an end opposite the fastener-engaging end, and an exterior bearing surface extending from said opposite end toward the fastener-engaging end; and

    a handle assembly includingan elongate gripping handle with an axial hole at one end thereof receiving therewithin the opposite end of the tool,an elongate leverage handle, anda pivot member extending transversely into the axial hole through at least a portion of the gripping handle between one side thereof and the axial hole,said pivot member being in coupling engagement outside of the axial hole with the leverage handle to secure it and the gripping handle together for relative pivotal movement therebetween andbeing in engagement with the bearing surface of the tool within the hole to prevent axial rotary movement of the tool relative to the gripping handle while releasably restraining the tool against separation from the handle.

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