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Patent Searching and Data


Title:
OIL LOCK APPARATUS FOR FRONT FORK
Document Type and Number:
WIPO Patent Application WO/2010/061848
Kind Code:
A1
Abstract:
In an oil lock apparatus for a front fork (10), a piston (20) provided at the inner perimeter at the front end of an inner tube (12) is made with an upper valve (31) and a lower valve (32) provided above and below a collar (30), an upper valve seat (41) provided at the top part of the upper valve (31), and a lower valve seat (42) provided at the bottom part of the lower valve (32). In the maximum compression stroke, the upper valve (31) does not, completely at least, close an oil hole (25) and the lower valve (32) is positioned toward the bottom end of a hollow rod (16) from the oil hole (25).

Inventors:
AOKI YOSHIMITSU (JP)
FUJITA NOBUAKI (JP)
Application Number:
PCT/JP2009/069855
Publication Date:
June 03, 2010
Filing Date:
November 25, 2009
Export Citation:
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Assignee:
SHOWA CORP (JP)
AOKI YOSHIMITSU (JP)
FUJITA NOBUAKI (JP)
International Classes:
F16F9/34; B62K25/08
Foreign References:
JP2004324750A2004-11-18
JPH0351544A1991-03-05
JPS6112428Y21986-04-18
JPS56119789U1981-09-11
JP2001227575A2001-08-24
JPH09250588A1997-09-22
Attorney, Agent or Firm:
SHIOKAWA, Shuji (JP)
Shuji Shiokawa (JP)
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