Timing chain having multiple blade tensioners contacting the...

Details Timing chain having multiple blade tensioners contacting the... Timing chain having multiple blade tensioners contacting the...

1999-11-12

2002-04-23

Bucci, David A. (Department: 3682)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster has surface in sliding contact with belt

C474S140000, C474S109000

Reexamination Certificate

active

06375587

ABSTRACT:

SUMMARY OF THE INVENTION
The present invention is directed to an apparatus for applying a tension to a portion of a chain extending between first and second sprockets. The apparatus includes a first spring tensioner for tensioning the portion of the chain and a second spring tensioner for tensioning the portion of the chain. The first and second spring tensioners can tension a first side of the portion of the chain. Alternatively, the first spring tensioner can contact a first side of the portion of the chain while the second spring tensioner contacts an opposite second side of the portion of the chain. The tensioners can replace a hydraulic tensioner and tensioner arm.


REFERENCES:
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patent: 5813935 (1998-09-01), Dembosky et al.
patent: 5853341 (1998-12-01), Wigsten
patent: 5967922 (1999-10-01), Ullein et al.
patent: 5984815 (1999-11-01), Baddaria
patent: 6213905 (2001-04-01), White et al.

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