Patent · US Expired

Document feeder

US4544150A · kind A · utility

0Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1984
Grant dateOct 1, 1985
Priority date
Expiry dateFeb 22, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H11/00
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An improvement in a document feeding device having a hopper oriented at an acute angle with respect to a horizontal plane and able to support a pack of documents to be fed seriatim therefrom. The improvement comprises at least one pad having a high coefficient of friction material situated on the upper surface of the hopper whereby the effect of the weight of the documents situated in the hopper above the pad on the pressure of the pack situated below the pad is decreased.

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