Title:
VEHICLE SUSPENSION COIL SPRING
Document Type and Number:
WIPO Patent Application WO/2018/142833
Kind Code:
A1
Abstract:
A coil spring (2) for use in a link motion type suspension device (1), comprises a lower end-coil portion (20), an upper end-coil portion (21), and a cylindrical effective portion (22) between the lower end-coil portion (20) and the upper end-coil portion (21). Further, the coil spring (2) comprises a body bending regulation portion (100) including a tapered section (25) which is formed at the lower end-coil portion (20) and/or the upper end-coil portion (21). The tapered section (25) has a shape the thickness of which decreases from an intermediate point, in the length direction, of the end-coil portion (20) toward the tip (4X) of a wire (4). Change in the inclination of a spring seat (10) is absorbed by the tapered section (25) so that body bending of the effective portion (22) is inhibited.
Inventors:
NISHIZAWA SHINICHI (US)
Application Number:
PCT/JP2017/047280
Publication Date:
August 09, 2018
Filing Date:
December 28, 2017
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16F1/06; B60G11/16
Foreign References:
JP2000272535A | 2000-10-03 | |||
JP2012211702A | 2012-11-01 | |||
JP2011002095A | 2011-01-06 | |||
JPS6029938U | 1985-02-28 | |||
JP2016191445A | 2016-11-10 | |||
JPH10281197A | 1998-10-20 | |||
JP2004210211A | 2004-07-29 | |||
JPS563330A | 1981-01-14 | |||
JP2015036565A | 2015-02-23 | |||
JP2000272535A | 2000-10-03 | |||
JP2008018784A | 2008-01-31 |
Other References:
See also references of EP 3578845A4
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
Download PDF:
Previous Patent: VEHICLE SUSPENSION COIL SPRING
Next Patent: ELECTRONIC COMPONENT, CAMERA MODULE, AND ELECTRONIC COMPONENT PRODUCTION METHOD
Next Patent: ELECTRONIC COMPONENT, CAMERA MODULE, AND ELECTRONIC COMPONENT PRODUCTION METHOD