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Patent Searching and Data


Title:
DAMPER DEVICE FOR AUTOMATIC TENSIONER
Document Type and Number:
Japanese Patent JP3700678
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To stabilize the performance of an automatic tensioner with a damper device incorporated by decreasing unevenness of the leak-down time every product.
SOLUTION: When tension of a belt is increased, a piston 19 is lowered with a check valve 27 kept closed. A cylinder 13 and the piston 19 wherein the difference between an inside diameter size and an outside diameter is a specific value are combined with each other in order to stabilize the leak-down time required for lowering.


Inventors:
Suzuki, Hiroshi
Otaki, Ryoichi
Sakai, Koichi
Application Number:
JP2002000146222
Publication Date:
September 28, 2005
Filing Date:
June 23, 1994
Export Citation:
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Assignee:
NSK LTD
International Classes:
F02B67/06; F16F9/24; F16F9/32; F16H7/12; (IPC1-7): F16H7/12
Domestic Patent References:
JP63145859A
JP2035248A
JP8004850A
JP6047757U
JP6087758U
Foreign References:
Attorney, Agent or Firm:
小山 武男
中井 俊
小山 欽造