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Title:
SPRING PRESSURE REGULATING TYPE COIL SPRING AND SPRING PRESSURE REGULATING METHOD
Document Type and Number:
Japanese Patent JP2010084932
Kind Code:
A
Abstract:

To provide a spring pressure regulating type coil spring capable of changing coil spring characteristics with simple operation while being of simple structure without needing complicated coil spring replacement work; and a spring pressure regulating method.

The spring pressure regulating type coil spring includes two coil springs formed of spirally-formed line bodies not contacting each other at a portion corresponding to the adjacent pitch of the line bodies, and one coil spring and one other coil spring are fitted between the respective spiral line bodies on the same axis.


Inventors:
AKAGI HAJIME
Application Number:
JP2008257706A
Publication Date:
April 15, 2010
Filing Date:
October 02, 2008
Export Citation:
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Assignee:
AKAGI HAJIME
International Classes:
F16F3/04; B62H1/12
Attorney, Agent or Firm:
Sota Asahina
Yousuke Fujimori