Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2008-12-01
2010-11-16
Thomas, David B (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S052000
Reexamination Certificate
active
07832310
ABSTRACT:
A hand-held torque power wrench for tightening and loosening fasteners, the torque power tool has a motor, a housing, at least one handle configured to hold the torque power wrench in a position and to pull a trigger with one hand of an operator, and a safety device operatable by the other hand of the operator, so that when it is operated by the other hand of the operator the torque power wrench is functioning to tighten or loosen the fastener, but when the only one hand of the operator is used for holding the torque power wrench in position and pulling the trigger, the torque power wrench is not functioning to tighten or loosen the fastener.
REFERENCES:
patent: 3970110 (1976-07-01), Schaedler et al.
patent: 4565312 (1986-01-01), Berry
patent: 4959906 (1990-10-01), Moore, Jr.
patent: 6152243 (2000-11-01), Junkers
patent: 6253642 (2001-07-01), Junkers
patent: 6715381 (2004-04-01), Junkers
Striker Michael J.
Thomas David B
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