Title:
TORSIONAL DAMPER
Document Type and Number:
Japanese Patent JP2021032325
Kind Code:
A
Abstract:
To provide a torsional damper of high durability and reliability, capable of absorbing and damping vibration generated in transmitting torque for a long period by suppressing change of a compression ratio of elastic members.SOLUTION: A torsional damper 1 includes: a hub plate 2; a pair of annular inertia mass members 3A and 3B; a pair of annular elastic members 4A and 4B; an outer bent portion 3a and an inner bent portion 3b obtained by axially bending outer peripheral portions of both of the pair of inertia mass members 3A and 3B; and a fitting portion 5 for compressing and holding the pair of elastic members 4A and 4B between both surfaces of the hub plate 2 and the inertia mass members 3A and 3B opposed thereto by axially fitting the outer bent portion 3a and the inner bent portion 3b to each other and restraining the same. The fitting portion 5 has a welding portion 6 for joining the outer bent portion 3a and the inner bent portion 3b.SELECTED DRAWING: Figure 2
Inventors:
KASHIWASE AKIHIRO
Application Number:
JP2019152957A
Publication Date:
March 01, 2021
Filing Date:
August 23, 2019
Export Citation:
Assignee:
FUKOKU KK
International Classes:
F16F15/126; F16B11/00
Attorney, Agent or Firm:
Patent Corporation Nagato & Partners