Tools – Including tool driving by impact delivering component or...
Patent
1998-08-11
1999-10-05
Meislin, D. S.
Tools
Including tool driving by impact delivering component or...
81466, B25B 1900
Patent
active
059606851
ABSTRACT:
A torque wrench includes a tubular body having a head portion pivotally connected thereto and a cap movably connected thereto opposite to the head portion. The head portion has a concave end from which a tongue extends. Two first springs respectively extend in opposite from an inner periphery of the body and contact a neck of the head portion. A mediated member is movably received in the body and has a stub and a rod respectively extending from two ends thereof. A second spring is mounted to the rod and urged between the cap and the mediated member, the stub having a sphere end movably received in the concave end of the neck, a shoulder portion defined on the mediated member and surrounding the stub. The tongue is movable between a first position where the tongue contacts an outer periphery of the mediated member, and a second position where the tongue contacts against the shoulder portion.
Shyong-Chuan Chen
Yng-Horng Guo
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