Paper tray for a copying machine
US5181713A · kind A · utility
7Cited by
7References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1991 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Aug 27, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H1/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A paper tray arrangement is disclosed for receiving a stack of paper and which is insertable into a receiving device of a copying machine or the like and which includes a supporting plate for the stack of paper and springs applied to the supporting plate to lift the supporting plate off the bottom of the tray. Tensioning apparatus is provided for the springs and a stop of the receiving device is assigned to the tensioning device in such a manner that the spring is tensioned when the paper tray is inserted into the receiving device and is relaxed when the paper tray is taken out of the receiving device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.