Title:
SUSPENSION DEVICE AND MANUFACTURING METHOD FOR SUSPENSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/009496
Kind Code:
A1
Abstract:
The present invention provides a highly reliable suspension device which suppresses destruction from an unwelded portion and which has small variations in strength. The suspension device according to the present invention comprises a cylinder having a cylindrical shape and a knuckle bracket having a cylindrical portion that is joined to the cylinder by welding, the suspension device being characterized in that a gap is formed in the cylindrical portion of the knuckle bracket in the center axis direction of the cylinder, and the suspension device has a first welded portion formed in the circumferential direction of the cylindrical portion of the knuckle bracket and a second welded portion formed in the axial direction of the cylindrical portion of the knuckle bracket.
Inventors:
NAKA YASUHIRO (JP)
AOYAMA HIROSHI (JP)
TANABE UMI (JP)
YAMAKA KOICHI (JP)
KURIHARA YUKI (JP)
AOYAMA HIROSHI (JP)
TANABE UMI (JP)
YAMAKA KOICHI (JP)
KURIHARA YUKI (JP)
Application Number:
PCT/JP2021/015657
Publication Date:
January 13, 2022
Filing Date:
April 16, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16B11/00; B60G15/07; F16F9/54
Foreign References:
| JP2002333051A | 2002-11-22 | |||
| JP2002130360A | 2002-05-09 | |||
| JP2007187237A | 2007-07-26 | |||
| JPH02126908U | 1990-10-19 | |||
| JPS53143319U | 1978-11-11 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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