Torque and angular displacement sensing in controlled wrenches

Details Torque and angular displacement sensing in controlled wrenches Torque and angular displacement sensing in controlled wrenches

1989-01-03

1990-07-17

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

81470, B23P 1906, B25B 12143

Patent

active

049413627

ABSTRACT:
The torque and angular displacement transducers in a controlled wrench apparatus are relocated to reduce the problems encountered therewith from the harsh physical environment experienced by such transducers in conventional designs. In one preferred embodiment, both the torque and angular displacement transducers are located at remote locations from the movable elements of the wrench mechanism and are each housed in a conventional hydraulic fitting to be more readily replaceable for maintenance purposes, as compared to the transducers of conventional designs.

REFERENCES:
patent: 2836090 (1958-05-01), Ray
patent: 2973676 (1961-03-01), Nelson
patent: 4294110 (1981-10-01), Whitehouse
patent: 4620450 (1986-11-01), Yamaguchi

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