Title:
トーショナルダンパ
Document Type and Number:
Japanese Patent JP7075316
Kind Code:
B2
Abstract:
To improve durability, such as heat resistance and oil resistance, of a torsional damper.SOLUTION: A torsional damper 1 includes: a housing 11 having a rotation center axis 0; spring guides 21 fixed to the housing 11 or provided at the housing 11 and arranged on a circumference; masses 31, each of which is disposed between the adjacent spring guides 21 on the circumference in a displaceable manner; coil springs 41, each of which is disposed between the spring guide 21 and the mass 31; radial stoppers 71, each of which is disposed at the outer periphery side of the mass 31; stopper side taper surfaces 74, each of which is provided on an inner peripheral surface of the radial stopper 71; mass side taper surfaces 34, each of which is provided on an outer peripheral surface of the mass 31 while corresponding to the stopper side taper surface 74; an end surface cover 51 fixed to the housing 11 or the spring guides 21; and a friction member 61 disposed between the end surface cover 51 and the masses 31.SELECTED DRAWING: Figure 2
Inventors:
Nobuhiko Narita
Application Number:
JP2018168860A
Publication Date:
May 25, 2022
Filing Date:
September 10, 2018
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
F16F15/129; F16F15/123
Domestic Patent References:
| JP2000120788A | ||||
| JP2004084681A | ||||
| JP5215202A | ||||
| JP9021446A |
Attorney, Agent or Firm:
Kiriyama Dai
Youichi Nomoto
Youichi Nomoto
Previous Patent: Inkjet printer
Next Patent: Polybutylene terephthalate resin composition and molded product
Next Patent: Polybutylene terephthalate resin composition and molded product