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US 4,272,973 AGranted
Socket joint for torque wrench
OwnerLee Fu-Tsaiinventor
Life of this patent
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Abstract
This invention relates to a socket joint for a torque wrench comprising a joint body, a clutch pressed by a spring thereof, and a controlling means for positioning and clutching said clutch so as to make the joint body keep in a condition of idle running when the torsion occurred exceeds a predetermined value.
Claims14
An assembly for torque wrenches comprising:
- a body provided with a circular chamber at one end and a rectangular socket at another end;
- a bolt having one end fixed to a central screw hole of said circular chamber;
- a clutch casing, said casing being a circular tube having a protruding ring provided on inner wall of one end thereof;
- a clutching means disposed in said casing, said clutching means including a rectangular plug assembly resting upon said protruding ring;
- a spring positioned between said bolt and clutching means;
- and
- a positioning nut threaded to said bolt and secured to another end of said clutch casing.
4 more elements
Dependencies are inferred from the claim text.