Patent · US Expired

Prefeeder assembly

US6595740B1 · kind B1 · utility

11Cited by
7References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2001
Grant dateJul 22, 2003
Priority date
Expiry dateMar 5, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/1764
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An improved prefeeder assembly (10) for receiving a stack (28) of blanks and for inverting and passing the inverted blanks to processing equipment, the prefeeder assembly (10) having a rotator frame (12) which is positonable in an upright load entry position and an inverted bundle discharge position. A rotator infeed conveyor (70) is supported by the rotator frame (12) to receive and support a stack while a lift platform assembly (44) is also supported by the rotator frame (12) to clamp the stack (28) onto the rotator conveyor (70). A backstop and pusher assembly (14) is also supported on the rotator frame (12) and includes a moveable backstop (90) and a pusher member (24) for discharging a selective height of the stack.

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