Automatic paper feeder for document shredder
US4890797A · kind A · utility
25Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1988 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Mar 9, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C18/2283
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An automatic paper feeder for use in a document shredder includes a paper feeding table for receiving, a large number of paper sheets to be shredded in a stack, a feeding roller for feeding the paper sheets to be shredded on the paper feeding table, a set of shredding blades, and a driving device for driving the feeding roller for rotation. The rotational peripheral speed of the feeding roller are set larger than the speed of the shredding blades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.