Torque multiplier tool

Details Torque multiplier tool Torque multiplier tool

1975-06-11

1976-09-14

Gerin, Leonard H.

Machine element or mechanism

Gearing

Pressure distributing

74665P, 81 57, F16H 5700, F16H 3706, B25B 1700

Patent

active

039799654

ABSTRACT:
A torque multiplier tool engageable between a torque wrench and a piece of work, said tool comprising a body with an elongate support engaging reaction arm to stop rotating of the body, a wrench engaging input shaft rotatably carried by the body, a work engaging output shaft rotatably carried by the body spaced from and parallel with the input shaft, an input pinion on the input shaft, an output gear on the output shaft, a pair of idler units including idler shafts rotatably carried by the body and carrying driven gears and drive pinions engaged with the input pinions and the output gear at circumferentially spaced points between which a number of whole teeth and one-half of one tooth of said input pinion and of said output gear occur, whereby driving engagement through the tool is established by four engaged driving teeth three-fourths of the time and by three engaged driving teeth one-fourth of the time.

REFERENCES:
patent: 2370002 (1945-02-01), Brecht
patent: 2712761 (1955-07-01), Chung
patent: 3041902 (1962-07-01), Wing
patent: 3472083 (1969-10-01), Schnepal

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