Title:
SPRING DEVICE
Document Type and Number:
Japanese Patent JP2019194492
Kind Code:
A
Abstract:
To provide a spring device capable of reducing hysteresis of disc springs stacked in multistage more easily and effectively, and improving linearity.SOLUTION: In a spring device 100 in which a plurality of disc springs 1 having an annular shape in a plane view are stacked in multistage in a manner that axes O2 are coaxially disposed to each other by a guide member 2, and elastically deformably supported, the guide member 2 includes a columnar rod-shaped shaft portion 2a inserted to central holes 1a of the plurality of disc springs 1 in a manner that the axes O1, O2 are coaxially disposed to each other, while keeping a prescribed interval between an inner peripheral edge 1b of each of the plurality of disc springs 1 and its outer peripheral face, and at least three spacer portions 2b extended along an axis O1 direction while projecting to a radial outer side of the center of the axis O1 from the outer peripheral face of the shaft portion 2a, and arranged at prescribed intervals in a circumferential direction of the center of the axis O1.SELECTED DRAWING: Figure 1
Inventors:
ISODA KAZUHIKO
Application Number:
JP2018245246A
Publication Date:
November 07, 2019
Filing Date:
December 27, 2018
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
F16F1/32; F16F3/02; F16F15/073
Domestic Patent References:
| JP2007147066A | 2007-06-14 | |||
| JPS60113829A | 1985-06-20 | |||
| JP2002155992A | 2002-05-31 | |||
| JP2009041585A | 2009-02-26 | |||
| JPH11257394A | 1999-09-21 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Nishizawa Kazumi
Kenichi Kawabuchi
Nishizawa Kazumi