Low profile rack and pinion wrench

Details Low profile rack and pinion wrench Low profile rack and pinion wrench

1989-10-27

1993-04-20

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1306

Patent

active

052032388

ABSTRACT:
A fluid operated low profile wrench has a rack and gear drive system to provide an accurate lever arm. The gear is a gear segment which forms part of the output lever of the wrench. The wrench is capable of using a multiplicity of drive heads and/or a multiplicity of reaction elements.

REFERENCES:
patent: 759948 (1904-05-01), Weston
patent: 1564222 (1925-12-01), Dunlap
patent: 3448641 (1969-06-01), Morrow
patent: 4116093 (1978-09-01), De Pagter
patent: 4631990 (1986-12-01), Hughes
patent: 4671142 (1987-06-01), Junkers
patent: 4722252 (1988-02-01), Fulcher et al.
patent: 4825730 (1989-05-01), Junkers

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