Adjustable click-type torque wrench

Details Adjustable click-type torque wrench Adjustable click-type torque wrench

2006-12-05

2008-11-18

Meislin, D. S (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S475000, C073S862210

Reexamination Certificate

active

07451674

ABSTRACT:
A torque wrench is disclosed that includes a drive head that defines a torque transfer axis and that is adapted to transfer torque to a workpiece. The torque wrench includes a tubular handle that is operative, upon rotation relative to a lever, to increase the bias on a spring upon lengthening a distance between the drive head and the opposite end of the handle, and to decrease the bias on the spring upon shortening the distance thereby setting the predetermined operating force.

REFERENCES:
patent: 2962918 (1960-12-01), Hoose
patent: 3772942 (1973-11-01), Grabovac
patent: 4207783 (1980-06-01), Grabovac
patent: 4467678 (1984-08-01), Lindholm
patent: 4485703 (1984-12-01), Grabovac et al.
patent: 5152200 (1992-10-01), Kaplan
patent: 5497682 (1996-03-01), Hsu
patent: 5503042 (1996-04-01), Larson et al.
patent: 5662012 (1997-09-01), Grabovac

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