Tensioner with an adjuster

Details Tensioner with an adjuster Tensioner with an adjuster

2008-10-28

2011-11-22

Marcelo, Emmanu M (Department: 3654)

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

C474S101000, C474S109000, C474S110000

Reexamination Certificate

active

08062157

ABSTRACT:
The present invention relates to a tensioner, in particular a tensioner for a driving chain of an internal combustion engine, comprising a tensioning plunger which is axially movably guided in a plunger bore of a plunger reception means and an adjuster for readjusting the shift of the operating range of the tensioning plunger caused by wear. The adjuster comprises a hydraulic adjusting element and a closable pressure chamber provided on the bottom of the plunger bore. The adjusting element delimits the pressure chamber against the plunger bore and is axially movably guided in said plunger bore.

REFERENCES:
patent: 4504251 (1985-03-01), Mittermeier
patent: 4894047 (1990-01-01), Breon et al.
patent: 6962241 (2005-11-01), Ikeda
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patent: 20 2004 002 705 (2005-08-01), None
patent: 0 657 662 (1995-06-01), None
patent: 1 498 580 (2005-01-01), None

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