Device for monitoring the spring force exerted by spring actuate

Details Device for monitoring the spring force exerted by spring actuate Device for monitoring the spring force exerted by spring actuate

1985-12-16

1987-05-19

Ruehl, Charles A.

Measuring and testing

Dynamometers

For testing force-biased connections

7386253, 104209, G01L 500, B61B 1212

Patent

active

046657550

ABSTRACT:
A spring actuator having a multiplicity of plate springs whose force is to be monitored, is retained on a thrust cam where it is located between a thrust ring and a fixed collar. Between the collar and the spring stack are arranged two rotating and laterally movable disks between which balls are maintained integrally under load. Reference springs act upon the disks and as soon as the minimum clamping force is no longer exerted by the spring actuator, the reference springs are able to force the balls out of their supports, whereby a great deal of relative rotary movement occurs between the disks releasing a trip catch.

REFERENCES:
patent: 3416462 (1968-12-01), Pomagalski
patent: 3605491 (1971-09-01), Senn

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