Title:
減速装置
Document Type and Number:
Japanese Patent JP7450364
Kind Code:
B2
Abstract:
To improve torque density as compared with a conventional reduction gear.SOLUTION: A reduction gear (1) includes an external tooth gear (14), a carrier (20) synchronized with an autorotation component of the external tooth gear (14) and an inner pin (21) for transmitting the autorotation component of the external tooth gear (14) to the carrier (20). The external tooth gear (14) has an inner pin hole (14h) arranged on a position offset from a rotation center line of the carrier (20) to insert the inner pin (21). In a cross-sectional shape of the inner pin (21) on a face vertical to a center axis (O1), a radial direction width (b1) along a radial direction of the center axis (O1) is smaller than a tangent direction width (a1) along a direction vertical to the radial direction. In a cross-sectional shape of the inner pin hole (14h) on a face vertical to the center axis (O1), a radial direction width (b2) along the radial direction of a center axis (O2) of the external tooth gear (14) is smaller than a tangent direction width (a2) along the direction vertical to the radial direction.SELECTED DRAWING: Figure 2
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Inventors:
Tomohiko Hasegawa
Nobuhiko Iwamoto
Nobuhiko Iwamoto
Application Number:
JP2019199784A
Publication Date:
March 15, 2024
Filing Date:
November 01, 2019
Export Citation:
Assignee:
Sumitomo Heavy Industries Ltd.
International Classes:
F16H1/32
Domestic Patent References:
| JP11210843A | ||||
| JP2019132362A | ||||
| JP201492209A | ||||
| JP3244852A | ||||
| JP201297897A |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune
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