Combination ratchet/breaker bar wrench

Details Combination ratchet/breaker bar wrench Combination ratchet/breaker bar wrench

2005-05-03

2005-05-03

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177700, C081S177750

Reexamination Certificate

active

06886430

ABSTRACT:
Apparatus and methods for applying torque to a socket wrench are disclosed. The apparatus comprising a handle, a ratchet head, the handle and the ratchet head pivotally joined to one another, a ratchet mechanism having a first drive spline and a rotation control, the first drive spline extending substantially orthogonal to the longitudinal axis of the ratchet head, the first drive spline selectively rotatable with respect to the ratchet head, and the first drive spline configured to apply a first given torque to the socket wrench, and a second drive spline extending substantially parallel to the longitudinal axis of the ratchet head, the second drive spline fixedly secured to the ratchet head, and the second drive spline configured to apply a second given torque to the socket wrench.

REFERENCES:
patent: 2886998 (1959-05-01), Scott
patent: 4676703 (1987-06-01), Swanson
patent: 5619890 (1997-04-01), Hattori et al.
patent: 6000302 (1999-12-01), Chiang
patent: 6148698 (2000-11-01), Hsieh
patent: 6216567 (2001-04-01), Hu
patent: 6295898 (2001-10-01), Hsieh

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