Patent · US Expired

Automatic stack feed

US3937455A · kind A · utility

28Cited by
6References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 1, 1974
Grant dateFeb 10, 1976
Priority date
Expiry dateApr 1, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H3/0653
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Apparatus for feeding individual sheets from a hopper, including a rotating prefeed member positioned near the exit end of the hopper and having projections for repeatedly beating the next sheet to be fed from the stack of sheets, to help separate the sheets and to urge the next sheet out of the hopper.

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