DAMPER DEVICE - NISSAN MOTOR

Title:

DAMPER DEVICE

Document Type and Number:

WIPO Patent Application WO/2015/037126

Kind Code:

A1

Abstract:

Provided is a damper device configured so that the wear of the seating sections of resinous spring seats is minimized. A damper device is characterized in that the damper device comprises resinous first spring seats (41) and resinous second spring seats (42), the first and second spring seats (41, 42) being configured in such a manner that each of the first spring seats (41) and the corresponding one of the second spring seats (42) support the opposite ends of each of first and second coiled springs (31, 32) circumferentially arranged between the hub plate-side support arms (11) of a hub plate (1) and the intermediate plate-side support arms (24) of an input and output plate (2), the first and second spring seats (41, 42) each having a metallic core member (45) provided therein. The damper device is also characterized in that: the metallic core members (45) are each provided with a seating-section metallic core member (451) provided at the seating section (43) of the spring seat (41, 42) along a spring seating surface (43a); and the spring seating surface (43a) has a metallic core exposing section (451a) provided at the portion of the spring seating surface (43a) which slides against the coiled spring (31, 32), the metallic core exposing section (451a) exposing the seating-section metallic core member (451) so that the seating-section metallic core member (451) can make contact with the coiled spring (31, 32).

Inventors:

UEHARA HIROKI
AKASAKA YUUZOU
OGATA MAKOTO
FUJII TOMOHARU

Application Number:

PCT/JP2013/074848

Publication Date:

March 19, 2015

Filing Date:

September 13, 2013

Export Citation:

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Assignee:

NISSAN MOTOR (JP)

International Classes:

F16F15/123; F16F1/12

Foreign References:

JP2008249007A	2008-10-16
JP2008249008A	2008-10-16
JP2008249007A	2008-10-16

Other References: