Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CHAIN TENSIONER
Document Type and Number:
WIPO Patent Application WO/2003/038306
Kind Code:
A1
Abstract:
A plunger (4) and a spring (6) that presses outward the plunger (4) are assembled into a cylinder chamber (2) formed in a housing (1). The housing (1) is provided with an oil supply passage (8) communicating with a pressure chamber (7) that is formed behind the plunger (4). The outside diameter of the housing (1) has substantially the same diameter over the entire axial length thereof, and this enables the housing (1) to be mass−produced by press forming so as to reduce costs of a chain tensioner.

Inventors:
Izutsu, Tomoyoshi c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
Sato, Seiji c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
Hayakawa, Hisashi c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
Application Number:
PCT/JP2002/011480
Publication Date:
May 08, 2003
Filing Date:
November 01, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku Osaka-shi, Osaka, 550-0003, JP)
Izutsu, Tomoyoshi c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
Sato, Seiji c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
Hayakawa, Hisashi c/o NTN Corporation 1578 (Higashikaizuka Iwata-shi, Shizuoka, 438-0037, JP)
International Classes:
F02B67/06; F16H7/08; (IPC1-7): F16H7/08
Foreign References:
JPH084860A
JP2001146946A
JPH0727191A
JPH1030695A
JPH10325448A
Attorney, Agent or Firm:
Kamada, Bunji (18-12, Nipponbashi 1-chome Chuo-ku Osaka-shi, Osaka, 542-0073, JP)
Download PDF: