Tensioner for a traction mechanism

Details Tensioner for a traction mechanism Tensioner for a traction mechanism

2009-02-26

2011-10-25

Dondero, William E (Department: 3654)

Endless belt power transmission systems or components

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

Guide roll mounted for movement of its axis along arcuate...

Reexamination Certificate

active

08043180

ABSTRACT:
A tensioner (1, 1′) for a traction mechanism such as a belt, chain or the like, with a tensioning lever (4) which can be acted on by a helical spring (2), can pivot about a stationary shaft and on which a tensioning element is provided for abutment against the traction mechanism to be tensioned. The helical spring (2) is held at its ends by spring receptacles (6, 7) and a means (8, 9, 71) is provided for delimiting the spring excursion.

REFERENCES:
patent: 4983144 (1991-01-01), Ojima
patent: 5004448 (1991-04-01), Ojima
patent: 5035680 (1991-07-01), Ojima
patent: 5037357 (1991-08-01), Ojima
patent: 2006/0229151 (2006-10-01), Jansen et al.
patent: 2009/0215563 (2009-08-01), Sauermann et al.
patent: 2010/0022340 (2010-01-01), Schmidl et al.
patent: 2010/0035712 (2010-02-01), Hartmann et al.
patent: 2010/0048336 (2010-02-01), Mack et al.

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