Torque measuring device for rotating body incorporating one...

Details Torque measuring device for rotating body incorporating one... Torque measuring device for rotating body incorporating one...

2006-09-12

2006-09-12

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C073S862324

Reexamination Certificate

active

07105802

ABSTRACT:
A torque measuring device for a rotating body includes: a rotary section integrally including a first flange, a second flange, and a hollow cylinder disposed between the first and second flanges; a plurality of torque detectors disposed at the inner circumference of the hollow cylinder; and a light receiving unit. The torque measuring device described above further includes: a light emitting element disposed at the rotational center axis of the rotary section and adapted to emit light based on an output from each of the torque detectors thereby sending an optical signal; a light branching unit to branch the optical signal into a plurality of subsequent signals; and a plurality of passages formed in the rotary section and allowing respective subsequent signals to exit out the rotary section and to be received by the light receiving unit.

REFERENCES:
patent: 6800843 (2004-10-01), Horton
patent: 6834558 (2004-12-01), Anderson
patent: 6907794 (2005-06-01), Arai
patent: 2002-022566 (2002-01-01), None

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