Torque testing apparatus

Details Torque testing apparatus Torque testing apparatus

1989-12-11

1991-02-05

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

73847, G01L 500

Patent

active

049894595

ABSTRACT:
A torque testing apparatus for use with threaded closures, the apparatus enabling the use of a manually operated torque tester, such as the industry standard Owens-Illinois torque meter, while simultaneously eliminating many of the variables normally inherent in any determination of application or removal torque by the human operator. The apparatus incorporates a standard torque meter to hold a container having a threaded closure to be tested and includes a closure rotating motor, the output shaft of which rotates at a substantially constant speed and is parallel to and in line from the axis of the closure. A closure-holding lever arm is secured to the closure and a motor lever arm is secured to the motor. An abutment pin is secured to the latter at a fixed distance from the output shaft of the motor and is adapted to be slidably contiguous to the closure-holding lever arm in such a way that the torsional force of the constant speed motor is applied to the closure with a gradually increasing angular velocity in a manner simulating a human operator.

REFERENCES:
patent: 3866463 (1975-02-01), Smith et al.
patent: 4674340 (1987-06-01), Burt et al.
patent: 4716772 (1988-01-01), Bubeck et al.

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