Patent · US Expired

Sheet feeding apparatus

US7481421B2 · kind B2 · utility

11Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 2004
Grant dateJan 27, 2009
Priority date
Expiry dateJan 8, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2515/34
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

There is provided a sheet feeding apparatus including a first feeding member that feeds at least one of the sheets from a feeding tray; a second feeding member that feeds the sheet fed by the first feeding member; a separating member, wherein a nip portion is formed between the separating member and the second feeding member, and when two sheets are entered the nip portion, the separating member separates one of the entered sheets from the other; an adjusting unit that changes a force of the separating member; a detecting unit that detects at least one of a distance by which the other of the entered sheets is transported beyond the nip portion and an advancing speed of the other of the entered sheets at the nip portion; and a controller that controls the adjusting unit based on a detection value of the detecting unit.

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