Paper feeding apparatus of an image forming apparatus and control method thereof
US7523930B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 26, 2005 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Jan 5, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H1/20
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A paper feeding apparatus includes a paper loading plate, a paper feeding section with a pick-up roller to pick up and to feed the papers loaded on the paper loading plate one by one, a lifter to lift the paper loading plate to a pick-up roller side of the paper feeding section, a position sensor unit to sense whether an uppermost one of the papers is positioned at a pick-up position, a paper quantity sensor unit to sense the quantity and/or weight of the papers loaded on the paper loading plate, and a controller to control a lift driving time period T of the lifter to drive the lifter from a time that the uppermost one of the papers is positioned at the pick-up position to a point of time where the lifter is stopped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.