Device for increasing the torque applied to a hand tool

Details Device for increasing the torque applied to a hand tool Device for increasing the torque applied to a hand tool

1975-10-01

1977-02-15

Smith, Al Lawrence

Tools

Wrench, screwdriver, or driver therefor

Attachment, or including adjunct or replaceable portion

145 61L, B25B 1348

Patent

active

040076512

ABSTRACT:
A generally disc shaped tool shaft holder with an opening at its center adapted to accept a tool shaft, and a plurality of openings about its periphery, each of which is designed to accept a lever arm. The holder is divided into an inner and an outer section which may be detached from one another. The outer section may be used with a number of different inner sections, each of which is adapted for use with a particular tool.

REFERENCES:
patent: 425655 (1890-04-01), Canedy
patent: 608866 (1898-08-01), Jones
patent: 1930238 (1933-10-01), Heller
patent: 2621688 (1952-12-01), Wales
patent: 3847042 (1974-11-01), Wilson

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