Title:
VIBRATION DAMPING DEVICE
Document Type and Number:
Japanese Patent JP2023075834
Kind Code:
A
Abstract:
To reduce costs for processing of a weight member.SOLUTION: A vibration damping device 40 includes: a shoulder bolt 42 attached to a seat frame 10A; a weight member 46 which is formed on an outer peripheral surface along an axial direction D of the shoulder bolt 42, has a first groove part 46A and a second groove part 46B in which the shoulder bolt 42 fits, and may move along the axial direction D; and a first coil spring 48A and a second coil spring 48B provided at both sides of the weight member 46 in the axial direction D.SELECTED DRAWING: Figure 5
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Inventors:
HIRAO KAZUKI
Application Number:
JP2021188987A
Publication Date:
May 31, 2023
Filing Date:
November 19, 2021
Export Citation:
Assignee:
NHK SPRING CO LTD
International Classes:
B60N2/90; F16F1/12; F16F3/04; F16F15/02
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
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