Title:
SPEED RATIO-SWITCHING STRAIN WAVE GEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/234924
Kind Code:
A1
Abstract:
A speed ratio-switching strain wave gearing device (1) has a simple configuration that enables a speed ratio of a rotation output to one rotation input to be switched in two stages or multiple stages. The speed ratio-switching strain wave gearing device (1) comprises: first and second internal gears (2, 3); an external gear (4) having first and second external teeth (45, 46) formed on an outer peripheral surface thereof; a wave generator (5) for causing the first and second external teeth (45, 46) to partially mesh with the first and second internal gears (2, 3); and a clutch mechanism (6) capable of selectively switching the first and second internal gears (2, 3) to a rotation-disabled fixed state. The selective switching of the first and second internal gears (2, 3) to the fixed state allows input rotation from the wave generator (5) to be decelerated at different speed ratios and extracted from the external gear (4).
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Inventors:
MURAYAMA YUYA (JP)
Application Number:
PCT/JP2019/019684
Publication Date:
November 26, 2020
Filing Date:
May 17, 2019
Export Citation:
Assignee:
HARMONIC DRIVE SYSTEMS (JP)
International Classes:
F16H1/32
Foreign References:
| JPH05215193A | 1993-08-24 | |||
| JP2016023745A | 2016-02-08 | |||
| JPH05215193A | 1993-08-24 |
Other References:
See also references of EP 3967900A4
Attorney, Agent or Firm:
YOKOZAWA Shiro (JP)
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