Prefeeder assembly
US6595740B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Mar 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.