Crowfoot tool

Details Crowfoot tool Crowfoot tool

1985-10-11

1989-05-09

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5713, B25B 2100

Patent

active

048278106

ABSTRACT:
A tool is provided with an output extension head having parallel sets of drive trains drivingly connecting an input drive gear and an output socket gear. The drive trains each have individual idler gears in mesh with both the input drive gear and output socket gear to significantly increase the ultimate torque capacity of the tool without increasing the thickness of the gear components or the radial dimensioning of the output end of the extension head.

REFERENCES:
patent: 3477318 (1967-09-01), Batten
patent: 3535960 (1968-04-01), Borries
patent: 3602071 (1971-08-01), Juhasz
patent: 3987692 (1976-10-01), Lesner et al.
patent: 4372026 (1983-02-01), Mosing
patent: 4506567 (1985-03-01), Makhlouf

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