Adjustable angle ratchet wrench

Details Adjustable angle ratchet wrench Adjustable angle ratchet wrench

1989-02-27

1990-02-20

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

B25G 100

Patent

active

049016083

ABSTRACT:
The invention relates to an adjustable angle ratchet wrench. A ratchet wrench head is provided with a toothed protrusion. The handle has a forked end to receive the protrusion and the head and handle are hinged about a bolt therethrough. Between the tines of the fork is also disposed a gear having two different size diameters. This gear is provided on the shaft of a button which is spring loaded. In the normal position the large gear engages with the teeth of the protrusion on the head and the smaller gear engages with an inwardly toothed section of one tine of the fork such that the wrench head and handle are held rigid. When the button is depressed, the smaller gear disengages from the handle and the wrench head and handle are free to rotate through an angle of approximately 180 degrees with respect to each other. When the button is released, the spring loaded returns the gear to the normal position and the handle is fixed again.

REFERENCES:
patent: 763745 (1904-06-01), Gheen
patent: 2518139 (1950-08-01), Hallowell et al.
patent: 2921773 (1960-01-01), Hoelzer
patent: 4794829 (1989-01-01), Mesenhoeller

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