Torque wrench testing devices and the like

Details Torque wrench testing devices and the like Torque wrench testing devices and the like

1979-11-19

1983-03-15

Gill, James J.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01L 2500

Patent

active

043763863

ABSTRACT:
Multiple range calibrating apparatus for checking the accuracy of torque wrenches and other force measuring instruments comprising a mechanism for applying torque to a torque receiving element connected between the instrument being checked and a force measuring device or instrumentality. The torque receiving element is connected to the measuring device by a novel linkage that is adjustable to vary the ratio of input torque to the force applied to the measuring device so that instruments of varying capacity or calibrated in different multiple measuring scales may be tested therewith. The multiple scales on the measuring device are related to the linkage ratios so that different units of torque may be indicated. This greatly enlarges the utilization range of such testers.

REFERENCES:
patent: 4608353 (1971-09-01), Larson

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