Measuring and testing – Dynamometers – Responsive to torque
Patent
1979-11-13
1981-10-13
Gill, James J.
Measuring and testing
Dynamometers
Responsive to torque
7386227, G01L 300
Patent
active
042941105
ABSTRACT:
A system for measuring torque applied by an air tool to a fastener during a fastening operation is disclosed wherein a torque indicating device is provided, preferably in a remote position from the tool, for sensing and indicating the torque applied to a fastener by the tool. In the preferred embodiments, an air pressure signal transmitter is connected between a motor inlet air passage and the torque indicating device for supplying a continuous air signal, indicative of fastener torque applied by the tool, to the torque indicating device during operation of the air tool.
REFERENCES:
patent: 2867117 (1959-01-01), Ernst
patent: 3656560 (1972-04-01), Catterfeld et al.
patent: 3693483 (1972-09-01), Palmer et al.
patent: 3768573 (1973-10-01), Jennings
patent: 3796131 (1974-03-01), Workman et al.
patent: 4006784 (1977-02-01), Dudek
Gill James J.
The Stanley Works
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