Electrophotographic photoconductor drum with weight-controlling member
US5991573A · kind A · utility
17Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1998 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Aug 21, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/751
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photoconductor drum having a cylindrical hollow support with a length L (cm), provided that L is 30 cm or more, a photoconductive layer provided on an external surface of the cylindrical hollow support, with a total weight of the support and the photoconductive layer being W1 (g), and a weight-controlling member, with a total weight of the above-mentioned weight W1 (g) and the weight-controlling member being W2 (g), the length L, the weight W1 and the weight W2 satisfying the relationship of formula (1) of log(W1/L.sup.3).ltoreq.-2.4 and the formula (2) of log(W2/L.sup.3)>-2.4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.