Gear wrench

Machine element or mechanism – Gearing – Plural power paths to and/or from gearing

Patent

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Details

81 5731, F16H 344, B25B 1700

Patent

active

RE0299936

ABSTRACT:
A force multiplication wrench is provided in the form of a casing having a longitudinal input shaft at one end and a longitudinal output shaft at the other end. A transmission, such as a planetary gear unit, is disposed in the housing connecting the two shafts. Tandem planetary gear units may also be used for greater force multiplication. In the case of planetary gears, the inner wall of the housing is adapted as the ring gear.

REFERENCES:
patent: 2484364 (1949-10-01), Whitledge
patent: 2715344 (1955-08-01), Aruntunoff
patent: 3217565 (1965-11-01), Dietrich
patent: 3331269 (1967-07-01), Sauter
patent: 3430521 (1969-03-01), Kulman

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