Tensioning device for belts, in particular toothed belts

Details Tensioning device for belts, in particular toothed belts Tensioning device for belts, in particular toothed belts

1997-12-18

1999-12-14

Graysay, Tamara L.

Endless belt power transmission systems or components

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

Pulley or guide roll has eccentric mount for shifting or...

474135, 474199, F16H 710, F16H 712, F16H 720

Patent

active

060010371

ABSTRACT:
The tensioning device comprises a support plate attached to a pivot defining a fixed axis; an intermediate tubular element accommodating the pivot and able to rotate about the fixed axis; a pulley for a belt and supported by the tubular element, surrounding the pivot and able to rotate about an axis of rotation which is not coincident with the fixed axis; and an elastic element interposed between the pivot and the intermediate tubular element so as to urge elastically the intermediate tubular element against the belt. To ensure a high degree of perpendicularity between the pivot and the support plate and, therefore, accurate engagement between the tensioning device and the belt, the support plate and the pivot are integrally formed.

REFERENCES:
patent: 4966572 (1990-10-01), Kunkel et al.
patent: 5222918 (1993-06-01), Abe et al.
patent: 5256112 (1993-10-01), Thomey et al.
patent: 5421788 (1995-06-01), Toth
patent: 5558587 (1996-09-01), Church
patent: 5620385 (1997-04-01), Cascionale et al.
patent: 5759125 (1998-06-01), Berg
patent: 5820503 (1998-10-01), Bruchner et al.

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