Patent · US Active

Belt drive device and image forming apparatus

US7921987B2 · kind B2 · utility

10Cited by
6References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 30, 2005
Grant dateApr 12, 2011
Priority date
Expiry dateJan 15, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2404/252
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A belt drive device includes a plurality of rollers and an endless belt stretched around the rollers, and configured to drive the endless belt by rotating the rollers. The belt drive device further includes a roller-shaft shifting member that shifts at least one end of a shaft of at least one roller of the above described rollers in accordance with the movement of the endless belt in the axial direction of the roller.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.