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Title:
FLUID DAMPER DEVICE, EQUIPMENT WITH DAMPER, AND MANUFACTURING METHOD OF FLUID DAMPER DEVICE
Document Type and Number:
Japanese Patent JP2018146093
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To make a portion, which is configured to prevent a rotor from falling from a case, thin in a fluid damper device.SOLUTION: A fluid damper device 10 is configured to contact an annular positioning member 70, such as a metal washer, with respect to a flange part 42 of a rotor 30 inserted into a bottomed cylindrical case 20, and form, at an end part of the case 20, a fixation part 23 holding the positioning member 70 between itself and a step part 28 formed on an inner peripheral surface of the case 20, to thereby prevent falling of the rotor 30 through the positioning member 70. The fixation part 23 is a caulking part that a cylindrical part 29 provided at the end part of the case 20 is deformed by thermal caulking.SELECTED DRAWING: Figure 2

Inventors:
三原 直哉
Application Number:
JP2017044714A
Publication Date:
September 20, 2018
Filing Date:
March 09, 2017
Export Citation:
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Assignee:
日本電産サンキョー株式会社
International Classes:
F16F9/14; A47K13/12
Attorney, Agent or Firm:
河合 徹
小平 晋
河口 伸子