Patent · US Expired

Sheet feeding apparatus, sheet feeding method and control program

US7575231B2 · kind B2 · utility

16Cited by
20References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 2005
Grant dateAug 18, 2009
Priority date
Expiry dateDec 15, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2511/20
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A sheet feeding apparatus provided with a fan for blowing air against sheets stacked on a sheet tray, a position detecting sensor for detecting the position of the sheets floated up by the fan, and a tray lifting and lowering mechanism for lifting and lowering the sheet tray. The tray lifting and lowering mechanism is controlled on the basis of a result of detection by the position detecting sensor.

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