Gathering machine
US4830352A · kind A · utility
4Cited by
13References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1988 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Mar 8, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2301/321
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A gathering machine for book binding separates each sheet from the bottom of its hopper by a vertically pivotable suction head. The suction is induced by a venturi rather than by vacuum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.