Angled and offset drive ratchet extension

Details Angled and offset drive ratchet extension Angled and offset drive ratchet extension

2005-09-07

2008-03-11

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S177200

Reexamination Certificate

active

07340981

ABSTRACT:
A tool is provided in the form of an angled and/or offset ratchet wrench extension. The angles may be selected, but in a preferred embodiment, a ratchet extension provides a right angle drive. The tool comprises a socket driver that is adapted to be connected to a socket and a rotatable drive shaft rotatably mounted within a housing. A first direction changing transmission is provided near the end for converting the rotatable drive shaft motion to rotary motion to drive the socket driver at the specified angle. A ratchet wrench is connected to the distal portion of the rotary drive shaft. In a second embodiment, a second direction changing transmission is located near the distal portion of the rotatable drive shaft for converting the rotary motion of a ratchet wrench to the rotary motion of the rotatable drive shaft. The length of the extension may be adjustable.

REFERENCES:
patent: 1333532 (1920-03-01), Berk
patent: 1494200 (1924-05-01), Waters
patent: 4376397 (1983-03-01), Newby et al.
patent: 4453433 (1984-06-01), Clement
patent: 4813308 (1989-03-01), Petrus
patent: 4913007 (1990-04-01), Reynolds
patent: 6009776 (2000-01-01), Warren
patent: 6216562 (2001-04-01), Hsieh

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