Copying apparatus having a consumable part
US5021828A · kind A · utility
76Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Apr 4, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A storage apparatus such as a copier or facsimile machine which stores information on paper and uses parts which the operator replaces upon expiration because of consumption of the part or deterioration of the part. A system is provided so that the consumable part can have its life-time measured by devices on the main body of the storage apparatus. Each consumable part has an indication of what stage of consumption or state within its life-time that it has reached. That is, for a copier after a certain number of copies are made one of a number of fuses in the consumable part can be fused as an indication of the state of the part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.