Machine for collating sheet material
US4221372A · kind A · utility
Inventor
Key dates
| Filing date | Aug 2, 1978 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | Aug 2, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H39/055
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Collating machine comprising a plurality of spaced trays each supporting identical sheets, a conveyor moving under the trays, a feeding device adjacent each tray for pulling out a sheet therefrom and depositing it onto the conveyor and including an electrically actuated clutch, a transmission device adapted to be cyclically engaged with the clutch, a first switch downstream relative to travel of the conveyor from each tray for supplying current to disengage the clutch upstream therefrom in response to a sheet fed from the tray immediately upstream thereof, a second switch upstream from all except the first tray for supplying current to engage the clutch immediately downstream therefrom in response to a sheet fed from the tray immediately upstream therefrom, a common power shaft supplying power to the transmission device, an electrically actuated system clutch for connecting the shaft to the transmission device and conveyor for normal operation of the machine and disconnecting the shaft from the conveyor during malfunction of the machine, electrically actuated brake for stopping the conveyor, and control arrangement including cams and switches for supplying current to engage the clu…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.