Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Load responsive tension adjuster or shifter
Reexamination Certificate
2006-02-28
2006-02-28
Johnson, Vicky A. (Department: 3682)
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Load responsive tension adjuster or shifter
C474S133000
Reexamination Certificate
active
07004863
ABSTRACT:
An asymmetric damping mechanism for use in a belt tensioner. The damping mechanism comprises two parts having substantially similar arcuate shapes for engaging a tensioner. The first part is in contact with the second part at a pivotable point of contact. The point of contact position is determined according to the desired asymmetric damping factor. The first part is also in contact with a spring. The second part is in contact with a tensioner arm. The damping mechanism also comprises two damping shoes, each having a damping band. The damping band is joined to the damping shoe by a plurality of vertical grooves on the damping shoe cooperating with a plurality of grooves on the damping band. The damping mechanism has an asymmetric damping factor in the range of approximately 1.5 to 5.
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Gao Litang
Hao Minchun
Jevtic Zoran
Serkh Alexander
Austin S. G.
Castleman C. H.
Johnson Vicky A.
The Gates Corporation
Thurnau J. A.
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