Sheet feeding cassette latching system
US4535982A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 1, 1984 |
| Grant date | Aug 20, 1985 |
| Priority date | — |
| Expiry date | Feb 1, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H1/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet feeding cassette latching system for latching on to a main body of a copying apparatus and the like a sheet feeding cassette including a sheet support plate for supporting a stack of sheets thereon, and an upper cover capable of being brought to an open position by flipping upwardly a rearward end thereof even when the cassette is in a latched position. When the cassette is in the latched position, the sheet support plate is moved upwardly by a lifter to bring a sheet pickup roller into pressing engagement with the uppermost sheet of the stack of sheets on the sheet support plate to feed one sheet after another to a copying station. The sheet feeding cassette is inserted into and withdrawn from the main body in a tilting position in which a rearward end thereof is located in a higher level than when the cassette is in the latched position. Transmission of power to the lifter from a drive source can be turned on and off in a conjunction with the operation of tilting the cassette and the operation of opening or closing the uppercover when the cassette is latched or unlatched. When power transmission is turned off, the sheet support plate in the sheet feeding position is moved…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.