Control device for ratchet wrenches

Details Control device for ratchet wrenches Control device for ratchet wrenches

1988-10-19

1989-09-05

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

192 431, 74151, B25B 1346

Patent

active

048627755

ABSTRACT:
A control device for ratchet wrenches, which is disposed in a housing of a wrench, including a resilient sheet, a control element and a button. The resilient sheet is arranged between a pawl of the wrench and the control element. The control element is pivotally disposed in the housing and has an opening to receive the resilient sheet and a groove or notch to receive a pin of the button.

REFERENCES:
patent: 1816968 (1931-08-01), Greutman et al.
patent: 3369416 (1968-02-01), Kilness
patent: 4300413 (1981-11-01), Garofalo
patent: 4592255 (1986-06-01), Mayer
patent: 4722253 (1988-02-01), Chow

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