Ratchet wheel mounting arrangement of a wrench

Details Ratchet wheel mounting arrangement of a wrench Ratchet wheel mounting arrangement of a wrench

1998-01-07

1999-11-09

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

811251, B25B 1346, B25B 1300

Patent

active

059792744

ABSTRACT:
A ratchet wheel mounting arrangement in which a toothed arch block is mounted in a smoothly arched notch disposed inside a box end of a ratchet wrench. A smoothly arched notch extends axially to the topmost edge of the box end. The toothed arch block has one end disposed in contact with the arched notch. The other end of the arch block is supported on a spring in a blind hole in the arched notch. A toothed front side forced by the spring force into engagement with the ratchet wheel in the box end. The height of teeth of the toothed arch block is approximately equal to the height of teeth on the ratchet wheel.

REFERENCES:
patent: 5533427 (1996-07-01), Chow
patent: 5636557 (1997-06-01), Ma

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