Title:
PLANETARY GEAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/234221
Kind Code:
A1
Abstract:
A planetary gear device (1) is provided with: a sun gear (5); a carrier (6); a plurality of planetary units (7) installed on the carrier (6); and a ring gear (9). The planetary units (7) are each provided with: a first planetary gear (71) that meshes with the sun gear (5); a second planetary gear (72) that meshes with the ring gear (9); a first rotator (73) arranged coaxially with the first planetary gear (71); a second rotator (74) arranged coaxially with the second planetary gear (72); and a wrap-around drive element (75) wound around the first rotator (73) and the second rotator (74). The respective wrap-around drive elements (75) of the plurality of planetary units (7) are arranged so as to overlap each other in an axial direction at least in part when viewed from a direction orthogonal to the axial direction.
Inventors:
HAYASHI KOHEI (JP)
Application Number:
PCT/JP2023/019776
Publication Date:
December 07, 2023
Filing Date:
May 26, 2023
Export Citation:
Assignee:
DAIDO KOGYO KK (JP)
International Classes:
F16H1/28; F16H9/26; F16H37/02
Foreign References:
| JPH0669494U | 1994-09-30 | |||
| JPH0288383A | 1990-03-28 |
Attorney, Agent or Firm:
CHIKASHIMA & ASSOCIATES (JP)
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