Portable device for measuring a coefficient of static friction

Details Portable device for measuring a coefficient of static friction Portable device for measuring a coefficient of static friction

1994-11-01

1996-03-26

Noland, Thomas P.

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

055010970

ABSTRACT:
A portable device for measuring a coefficient of static friction has a base plate, a voice coil motor having an output shaft, an actuator member fixed to the output shaft, a photosensor electrically connected to the actuator member, a cell electrically connected to the voice coil motor and the photosensor, a measurement button, a display device, and a switching device which is connected to the measurement button.

REFERENCES:
patent: 4813266 (1989-03-01), Nash
patent: 4895015 (1990-01-01), English
patent: 5245856 (1993-09-01), Pazzaglia et al.
Kurz, "Useful Friction Recorder", American Journal of Physics, vol. 24, No. 3, pp. 174-175, Mar. 1956.

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