Paper cassette unit
US5273272A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Jan 6, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2551/20
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A paper cassette unit includes a base part installed in an image forming system, a paper cassette having a compartment in which sheets of paper are accommodated, the paper cassette being detachably mounted in the base part, a cassette cover for covering an opening of the compartment when the paper cassette is mounted in the base part, and a connecting part connecting the cassette cover to the base part in such a way that only the cover stays in the base part when the paper cassette is demounted from the base part. The paper cassette unit also includes a size indicator for indicating size of the sheets of paper, the size indicator being detachably mounted in the paper cassette and having an integrally formed operating part including a set of projections corresponding to the indicated size, and a detection part for detecting the size of sheets of paper in use, the detection part having a set of switches depressed by corresponding projections of the operation part when the paper cassette is mounted in the base part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.