Title:
PLANETARY GEAR DEVICE
Document Type and Number:
Japanese Patent JP2023175565
Kind Code:
A
Abstract:
To provide a planetary gear device which has a compact size in its axial direction.SOLUTION: A planetary gear device (1) comprises a sun gear (5), a carrier (6), a plurality of planetary units (7) arranged at the carrier (6), and a ring gear (9). Each of the planetary units (7) comprises a first planetary gear (71) engaged with the sun gear (5), a second planetary gear (72) engaged with the ring gear (9), a first rotating body (73) arranged coaxially with the first planetary gear (71), a second rotating body (74) arranged coaxially with the second planetary gear (72), and a winding transmission body (75) wound on the first rotating body (73) and the second rotating body (74). The winding transmission bodies (75) of the plurality of planetary units (7) are arranged so as to be at least partially overlapped on one another in an axial direction when viewed from a direction orthogonal from the axial direction.SELECTED DRAWING: Figure 2
Inventors:
HAYASHI KOHEI
Application Number:
JP2022088068A
Publication Date:
December 12, 2023
Filing Date:
May 30, 2022
Export Citation:
Assignee:
DAIDO KOGYO KK
International Classes:
F16H1/28; F16H9/26; F16H37/02
Attorney, Agent or Firm:
Patent Attorney Corporation Chikajima International Patent Office