Ratchet wrench

Details Ratchet wrench Ratchet wrench

2006-07-04

2006-07-04

Ackun, Jr., Jacob K. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S058100, C081S063100

Reexamination Certificate

active

07069818

ABSTRACT:
A ratchet wrench including a hollow handle, a handle sleeve fitted on the handle, a transmission rod fitted in the handle, a driving head mounted in one end of the handle and a transmission mechanism. The transmission mechanism is arranged in the handle sleeve and coupled with the handle sleeve. The transmission mechanism is also drivingly connected with the transmission rod. When rotating the handle sleeve relative to the handle, the transmission rod is driven via the transmission mechanism. The transmission rod further drives the driving head to output torque for wrenching a work piece.

REFERENCES:
patent: 4128025 (1978-12-01), Main et al.
patent: 4406184 (1983-09-01), Cockman, Jr.
patent: 6457386 (2002-10-01), Chiang

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