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Title:
摩擦ローラ式減速機
Document Type and Number:
Japanese Patent JP6686401
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a friction roller type speed reducer capable of properly cooling a traction surface, and obtaining a stable speed reduction characteristic.SOLUTION: A friction roller type speed reducer 100 includes a sun roller 13, a ring roller 15, a plurality of intermediate rollers 17, a connection member 23 and a loading cam mechanism 20. The ring roller 15 includes: a concave traction surface 45 that is formed on a ring roller inner peripheral surface, and inclined in a direction that an inner diameter increases toward a center part in an axial direction; and a hole 49 that is a traction oil discharge part provided so as to penetrate a ring roller outer diameter surface from a bottom part of the concave traction surface 45.SELECTED DRAWING: Figure 1

Inventors:
Hiroshi Kawahara
Application Number:
JP2015239520A
Publication Date:
April 22, 2020
Filing Date:
December 08, 2015
Export Citation:
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Assignee:
Nippon Seiko Co., Ltd.
International Classes:
F16H13/04; F16H57/04
Domestic Patent References:
JP2015209883A
JP8093872A
JP8061450A
Attorney, Agent or Firm:
Patent business corporation glory patent office