Belt conveying apparatus having a self-adjustment mechanism for

Details Belt conveying apparatus having a self-adjustment mechanism for Belt conveying apparatus having a self-adjustment mechanism for

1998-10-15

2000-06-20

Valenza, Jospeh E.

Electrophotography

Image formation

Photoconductive member

399303, 399313, 399329, 198806, G03G 1500

Patent

active

06078766&

ABSTRACT:
A belt driving apparatus includes an endless belt which is wrapped around at least a driving roller and a driven roller, a belt shift detecting member detecting a shift of the endless belt and being rotatably supported by the driven roller with at least one end of a shaft thereof, the belt shift detecting member rotating free from a rotation of the driven roller, a supporting device supporting the at least one end of shaft of driven roller and being moveable in a direction perpendicular to a direction of the shaft of the driven roller, and a conversion device converting a displacement of said at least one end of the shaft of the driven roller into a displacement in a predetermined direction perpendicular to shaft of the driven roller, when the endless belt is brought into contact with the belt shift detecting member and belt shift detecting member has a rotation torque. The conversion device includes a secured member which is mounted on a main body side of the apparatus, arranged to contact a part of the belt shift detecting member when the belt shift detecting member rotates to a predetermined angle caused by the rotation torque, and a cam converting a movement of the belt shift detecting member from rotation movement by the predetermined angle into a linear movement.

REFERENCES:
patent: 2451394 (1948-10-01), Klein
patent: 3993186 (1976-11-01), Sokolowski
patent: 4286706 (1981-09-01), Castelli et al.
patent: 4332458 (1982-06-01), Hoffman
patent: 5592275 (1997-01-01), Echigo et al.
patent: 5678161 (1997-10-01), Kurotaka et al.

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