Electro-optical torque sensing device for an actuating mechanism

Details Electro-optical torque sensing device for an actuating mechanism Electro-optical torque sensing device for an actuating mechanism

1986-03-11

1987-09-15

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

G01L 312

Patent

active

046931236

ABSTRACT:
The torque sensor comprises first (11) and second rotary structures coupled respectively for rotation to first (5) and second (4) coaxial rotary members mutually coupled by a dead-travel resilient coupling (6), the rotary structures having adjacent zones each formed with a series of angularly spaced optical windows (13, 14) arranged to cross a light path, two corresponding windows belonging to each series being in partial overlapping relationship in the light path when the rotary members are in a relative neutral position.

REFERENCES:
patent: 2147711 (1939-02-01), Martin
patent: 3111028 (1963-11-01), Lebow
patent: 3580352 (1971-05-01), Ritter et al.
R. W. Carson-"Optical Sensor Measures Torque Without Slip Rings", Product Engineering, 10/1967, reprint, 4 pages.

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