Title:
緩衝器
Document Type and Number:
Japanese Patent JP6894774
Kind Code:
B2
Abstract:
A damper includes a cylinder (30), a piston rod (32) axially movably inserted into the cylinder (30), and a spring member (4) that is provided on an outer circumference of the piston rod (32) and between the piston (31) and a rod guide (33) coming close to each other when extended, and biases the piston (31) and the rod guide (33) in a direction to separate them from each other when compressed. The spring member (4) includes a first spring (5), a second spring (6) that is arranged in series with the first spring (5), and a restricting portion (7) that restricts contraction of the first spring (5) before the first spring (5) and the second spring (6) reach their close contact heights.
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Inventors:
Hirohiro Noguchi
Application Number:
JP2017120113A
Publication Date:
June 30, 2021
Filing Date:
June 20, 2017
Export Citation:
Assignee:
KYB Motorcycle Suspension Co., Ltd.
International Classes:
F16F9/58; B62K25/08; F16F9/32
Domestic Patent References:
| JP5118372A | ||||
| JP1152131U | ||||
| JP54033556U | ||||
| JP2012211651A | ||||
| JP2004286139A |
Foreign References:
| WO2004065817A1 |
Attorney, Agent or Firm:
Ken Ishikawa
Izumi Amano
Izumi Amano