Eccentric tensioning device

Details Eccentric tensioning device Eccentric tensioning device

2011-04-05

2011-04-05

Siconolfi, Robert A (Department: 3657)

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...

C474S112000, C474S133000

Reexamination Certificate

active

07918755

ABSTRACT:
An eccentric tensioning device for tensioning a traction means is provided. The eccentric tensioning device includes a track roller device having a running disk and a rolling bearing, a work eccentric for supporting the track roller device, the work eccentric being supported on an adjustment eccentric, a single torsion spring for pretensioning the work eccentric, and a fixing device for securing the work eccentric in a mounting position in which the torsion spring is located in a pretensioned state. The fixing device is positionable on a flange surface upon which the eccentric tensioning device is mountable during attachment, in which the running disk is forced radially relative to the rotating axis of the rolling bearing against the associated traction means under effect of the work eccentric, and a free switching path is traversed through an axial play being overcome against an axial force applied solely by the torsion spring.

REFERENCES:
patent: 5266067 (1993-11-01), Gapco
patent: 6165091 (2000-12-01), Dinca et al.
patent: 2006/0068957 (2006-03-01), Stone et al.
patent: 4033777 (1992-04-01), None

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