Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1976-12-02
1977-08-23
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Machine
B25B 1700
Patent
active
040432289
ABSTRACT:
A manual socket wrench having an adjustble gear reduction between the handle and the socket. The gear ratio may be adjusted by shifting axially a gear-carrying intermediate shaft and locking that shaft in the axial position to which it has been adjusted.
REFERENCES:
patent: 1042736 (1912-10-01), Wildmo
patent: 1327991 (1920-01-01), Gatewood
patent: 1346505 (1920-07-01), Mitchell
patent: 1423142 (1922-07-01), Owens
patent: 1705032 (1929-03-01), Short
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