Spring device of a torque wrench

Details Spring device of a torque wrench Spring device of a torque wrench

1997-07-03

1999-01-12

Felber, Joseph L.

Measuring and testing

Dynamometers

Responsive to torque

7386222, B25B 23143

Patent

active

058593713

ABSTRACT:
A spring device of a torque wrench includes a mediate member slidably received in a tube of the wrench and located between a block and an actuating member, wherein the block is movably connected to a positioning bolt extending from the tube and the actuating member contacts a shank in the tube. The other end of the shank has a head portion formed thereon. The actuating member has a rod extending therefrom and extending through a hole defined in the mediate member. A first spring is mounted to the rod between the mediate member and the actuating member, a second spring mounted to the rod between the mediate member and the block. The first and the second spring are maintained straight when being depressed.

REFERENCES:
patent: 5557994 (1996-09-01), Nakayama

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