Ratchet wrench having gear driven pawl

Details Ratchet wrench having gear driven pawl Ratchet wrench having gear driven pawl

1998-06-22

2000-12-26

Morgan, Eileen P.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 63, B25B 1346

Patent

active

061641677

ABSTRACT:
A ratchet wrench is provided having an arcuate toothed pawl meshing with the ratchet gear of a socket driving member. A gear section engages the back side of the pawl to control the rotation direction of the socket driving member. By the ratchet gear forcing the arcuate toothed pawl against the circular recess, a great torsion force can be transferred to the socket driving member.

REFERENCES:
patent: 3265171 (1966-08-01), Kilness
patent: 3958470 (1976-05-01), Lee
patent: 5178047 (1993-01-01), Arnold et al.
patent: 5230262 (1993-07-01), Ahlund et al.
patent: 5522288 (1996-06-01), Slusar et al.
patent: 5533427 (1996-07-01), Chow

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