Actuator having wave gear reduction drive

Details Actuator having wave gear reduction drive Actuator having wave gear reduction drive

2007-05-08

2007-05-08

Ho, Ha (Department: 3681)

Machine element or mechanism

Gearing

Reexamination Certificate

active

11107292

ABSTRACT:
An actuator has a motor and a wave gear reduction drive in which a wave generator is coaxially connected to an output shaft protruding forward from a front surface thereof. A shaft portion of the output shaft coaxially extends through inside a cylindrical trunk in the flexible internal gear of the wave gear reduction drive, and a magnetic encoder for detecting the rotation of the output shaft is mounted on the shaft portion. Since the dead space inside the cylindrical trunk is used as the space for disposing the magnetic encoder, an entire length can be reduced in comparison with an actuator in which the motor, the wave gear reduction drive, and the encoder are arranged in the axial direction.

REFERENCES:
patent: 4096766 (1978-06-01), Pardo et al.
patent: 4678952 (1987-07-01), Peterson et al.
patent: 5906142 (1999-05-01), Shirasawa
patent: 6258007 (2001-07-01), Kristjansson
patent: 6701803 (2004-03-01), Tamai et al.
patent: 2002-243000 (2002-08-01), None

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