Image forming apparatus
US6131898A · kind A · utility
40Cited by
9References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1997 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Nov 18, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2515/70
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A stack sheet supplying apparatus has a sheet stacking unit, a supply roller for supplying a sheet by contacting with an uppermost sheet in a sheet stack resting on the sheet stacking unit, a lift/lower device for controlling lifting and lower of the supply roller, a drive for driving the lift/lower device, a detector for detecting the fact that the supply roller reaches a supply position after the supply roller is lowered, and a control for turning OFF the drive on the basis of a detected result of the detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.