Title:
ROLLER WITH HOLDER AND PLANETARY GEAR SUPPORT STRUCTURE
Document Type and Number:
Japanese Patent JP2020118178
Kind Code:
A
Abstract:
To provide a technique for enhancing a holder which is advantageous in strength and easy to be ground and can be manufactured at low cost.SOLUTION: A pillar part 31 of a holder 13 includes: a pair of end portions 32 and 32 coupled with an annular part 30; a central portion 33 positioned between one end portion and the other end portion; and a pair of intermediate portions 34 and 34 positioned between the end portions and the central portion. An outer diameter of the holder is made maximum in the end portions of the pillar part, minimum in the intermediate portions of the pillar part, smaller in the central portion of the pillar part than in the end portions and larger than in the intermediate portions. An inner diameter of the holder is made larger in the central portion than in the intermediate portions. In the end portion, an outer claw is provided for regulating pocket dropout of a roller to the radial outside and in the intermediate portion, an inner claw is provided for regulating pocket dropout of the roller to the radial inside.SELECTED DRAWING: Figure 4
Inventors:
TSUCHIYA MASASHI
Application Number:
JP2019007785A
Publication Date:
August 06, 2020
Filing Date:
January 21, 2019
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C33/46; F16C19/26; F16C33/66; F16C43/04; F16H57/04
Attorney, Agent or Firm:
Patent Business Corporation Imy International Patent Office