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Title:
クロスローラ軸受
Document Type and Number:
Japanese Patent JP7372417
Kind Code:
B2
Abstract:
To provide a cross roller bearing that provides accurate and reproducible lid positioning without being affected by a clearance due to tolerance, by providing unevenness on a contact portion of a built-in hole of an inner ring or outer ring and a lid and fitting them.SOLUTION: A built-in hole 5 is formed into an uneven shape by a flat contact surface 18 formed by a notch part 17 extending from an inner peripheral surface 8 of an end surface 14 of an inner ring 2 to an outer peripheral surface 9, and a flat notch step part 20 formed by a notch part 19 reaching a relief groove 16 from the middle of the notch part 17. A lid 3 comprises a convex step part 21 that is fitted into the built-in hole 5, extends from the middle of a lower surface 22 to the relief groove 16 and projects, and is locked to the notch step part 20.SELECTED DRAWING: Figure 3

Inventors:
Fumitaka Yoshida
Kunihiko Kito
Application Number:
JP2022156510A
Publication Date:
October 31, 2023
Filing Date:
September 29, 2022
Export Citation:
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Assignee:
Nippon Thompson Co., Ltd.
International Classes:
F16C33/58; F16C19/36; F16C43/06
Domestic Patent References:
JP11280757A
JP200221868A
Attorney, Agent or Firm:
Shuhei Kitano
Katsuya Tanaka
southern history
Satoshi Aoki