Patent · US Expired

Document feeder having a curved document transportation path

US5946540A · kind A · utility

1Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 1998
Grant dateAug 31, 1999
Priority date
Expiry dateJan 12, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2513/50
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A document feeder which has a document transportation path curved with a curvature radius such that a document original is reversed and fed therethrough to a document setting surface. The document feeder further includes a pair of rollers respectively disposed inside and outside of the curvature of the document transportation path in an opposed relation and adapted to hold the document original therebetween for guiding the document original to the document setting surface. The rollers abut against each other in a position upstream of the vertex of the curvature of the document transportation path with respect to a document transportation direction.

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