Maximum capability wrench

Details Maximum capability wrench Maximum capability wrench

1983-03-07

1985-03-26

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 582, 81180B, B25B 1700

Patent

active

045065675

ABSTRACT:
A hand held open jawed wrench having an internal mechanism which permits the tool to be used when stationary and to multiply torque and force applied to a nut. There is an external take-off member to which force can be applied and an internal chain and gear drive to effect the torque multiplication. A floating jaw member is rotated by the internal mechanism and there is provision for inserts to accomodate different size nuts.

REFERENCES:
patent: 1033049 (1912-07-01), Chase et al.
patent: 1564222 (1925-12-01), Dunlap
patent: 2376575 (1945-05-01), Cronan
patent: 4098151 (1978-07-01), Bliss
patent: 4265148 (1981-05-01), Gartzke
patent: 4376396 (1983-03-01), Hayhoe

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