Reversible ratchet wrench

Details Reversible ratchet wrench Reversible ratchet wrench

1997-07-24

1999-03-09

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 60, B25B 1346

Patent

active

058786350

ABSTRACT:
A ratchet wrench having an annular wheel mounted within one box end thereof, the annular wheel having a plurality of longitudinal teeth equiangularly spaced around the inside for grasping and turning nuts, bolts, etc., and two symmetrical pairs of grooves longitudinally disposed on the outside at two oppoiste locations, two pairs of stop plates respectively mounted in the grooves within the box end, and four springs respectively connected between the stop plates and the grooves to forced into engagement with the teeth of the box end when the wrench is turned in one direction, causing the annular wheel to be turned with the box end; the stop plates are forced backwards into the V-grooves when the wrench is turned in the reversed direction, causing the wrench to run idle.

REFERENCES:
patent: 827846 (1906-08-01), Bowser et al.
patent: 1258381 (1918-03-01), Webb
patent: 1307485 (1919-06-01), Cunha
patent: 2112693 (1938-03-01), Douglass
patent: 4441387 (1984-04-01), Hendricks

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