Standard and reverse collator
US4805891A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1988 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Jan 4, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2404/261
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A reversible collating machine for stacking sheets of paper being fed seriatim thereto from a singulating feeder in the same or reverse order as the sheets appear in the singulating feeder. The reversible collating machine includes a housing, apparatus secured to the housing for rotatably mounting endless, elastic belts, at least one upper, endless, elastic belt rotatably mounted to the mounting apparatus, and at least one lower, endless, elastic belt rotatably mounted to the mounting apparatus. Each of the belts includes an upper and a lower reach, the lower reach of the upper belt being situated slightly above the upper reach of the lower belt to thereby frictionally engage and transport the sheets of paper. The collating machine further includes a frame slidably mounted to the housing, the frame being movable between an upstream and a downstream position, an upper ramp guide block secured to the frame, and a lower ramp guide block secured to the frame. The lower block has an L-shaped downstream portion, whereby when the frame is located in the upstream position collation in one of the two orders is effected and when the frame is located in the downstream position the other of th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.