Test cassette for measuring the torque of a winding mandrel of a

Details Test cassette for measuring the torque of a winding mandrel of a Test cassette for measuring the torque of a winding mandrel of a

1982-09-23

1984-11-13

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

7386244, G01L 300

Patent

active

044818327

ABSTRACT:
A torque-measuring test cassette having at least one annular member arranged to engage a winding mandrel of a tape cassette apparatus. A resilient metal strip extending radially from each annular member has a far end arranged to be guided in a slot in the test cassette housing, so that a strip can bend as a result of torque imparted to the annular member by a winding mandrel. Each strip has a strain gauge attached to at least one side to permit remote electrical measurement of bending of the strip and thus the torque exerted by the mandrel.

REFERENCES:
patent: 2471423 (1949-05-01), Gisser
patent: 3273385 (1966-09-01), Donnelly et al.
patent: 3942367 (1976-03-01), Thompson
patent: 4257262 (1981-03-01), Stanton

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