The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1997
Filed:
Aug. 31, 1995
Applicant:
Inventor:
Hiroshi Suzuki, Fujisawa, JP;
Assignee:
NSK, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
474110 ; 474135 ;
Abstract
A pulley pivotable on the swinging member is pressed against a timing belt by the resilient force of a tension coil spring, and the retracting action of the pulley is made slow by the damper unit, having a cylinder and piston in the cylinder wherein a leak gap between the inner peripheral surface of the cylinder and the outer peripheral surface of the piston is controlled to have a larger vibration prevention effect for the timing belt.