Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2016151306
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To materialize movement regulation in an axial direction of a float member and the multi-staging of torsion characteristics with a simple constitution, in a lock-up device.SOLUTION: A power transmission device is equipped with a drive plate 11; a hub flange 12; torsion springs 16 and 17 on an outer peripheral side and an inner peripheral side; an intermediate member 14 coupled to the torsion springs 16 and 17 on the outer peripheral side and the inner peripheral side in series; a float member 18; an angle regulating portion 22; and a movement regulating portion 24. The float member 18 can relatively rotate to the torsion spring 16 on the outer peripheral side, and regulates the movement in a diametrical direction of the torsion spring 16 on the outer peripheral side. The angle regulating portion 22 is formed on the drive plate 11 and the intermediate member 14, and regulates a relative rotation angle between the drive plate 11 and the intermediate member 14 to be a predetermined angle. The movement regulating portion 24 is formed on the intermediate member 14, and regulates the movement in an axial direction of the float member 18.SELECTED DRAWING: Figure 1
Inventors:
USHIO HIROYUKI
Application Number:
JP2015028483A
Publication Date:
August 22, 2016
Filing Date:
February 17, 2015
Export Citation:
Assignee:
EXEDY CORP
International Classes:
F16H45/02; F16D13/64; F16F15/123
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation
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