Flat head reversible power ratchets

Details Flat head reversible power ratchets Flat head reversible power ratchets

2006-10-17

2006-10-17

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S061000, C081S062000, C081S063100

Reexamination Certificate

active

07121167

ABSTRACT:
A flat headed, reversible power ratchet of relatively small size which uses integral bosses and apertures in its housing to locate and control the movement of its yoke and driving gears on bosses integral to the housing with the driving gear mounted in a bore within the yoke, which has its pawls and pawl controls within the yoke adjacent the gear, and by utilizing a pair of linkages which pivot about the yoke and about the housing in overlapping arcs to stabilize the position of the directional controls during operations.

REFERENCES:
patent: 5000066 (1991-03-01), Gentiluomo
patent: 5450773 (1995-09-01), Darrah et al.
patent: 5537899 (1996-07-01), Diedrich
patent: 5622089 (1997-04-01), Gifford, Sr.
patent: 6282990 (2001-09-01), Miner
patent: 6330842 (2001-12-01), Brun
patent: 6640669 (2003-11-01), Izumisawa

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