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Patent Searching and Data


Title:
TENSIONER
Document Type and Number:
Japanese Patent JP2010014166
Kind Code:
A
Abstract:

To effectively restrain resonance of a plate spring assembly with a tension vibration in a chain and an increase in the amplitude of a plate spring caused by this resonance.

This tensioner has a chain sliding contact shoe 11 having a chain sliding contact surface 11a curved in an arc shape, and the plate spring assembly 12A arranged on the opposite side of the chain sliding contact surface 11a of the chain sliding contact shoe 11 and making spring force act on a chain 35 via the chain sliding contact shoe 11. The plate spring assembly 12A is composed of superposition of a plurality of plate springs different in a frequency of natural vibration.


Inventors:
TOMINAGA JUN
TAJIMA NORIHIRO
ITO HIDEMASA
TERADA TAKESUKE
Application Number:
JP2008173249A
Publication Date:
January 21, 2010
Filing Date:
July 02, 2008
Export Citation:
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Assignee:
NHK SPRING CO LTD
International Classes:
F16H7/08; F16F1/18; F16F3/10
Domestic Patent References:
JP2003065405A2003-03-05
Attorney, Agent or Firm:
Sadanobu Shimizu