Image forming apparatus
US4965622A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | Aug 8, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2227/325
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus comprising a photosensitive sheet cartridge in which the photosensitive sheet is accommodated in a rolled form, a leader sheet being connected to the leading edge of the photosensitive sheet and numerous positioning holes being provided at regular intevals on both sides of the leader sheet in the longitudinal direction of the photosensitive sheet; the body of the image forming apparatus onto which the photosensitive sheet cartridge is detachably mounted; and a guide roller for transporting the photosensitive sheet, which is drawn from the photosensitive sheet cartridge, toward the pair of pressure rollers when the cartridge is installed into the body of the image forming apparatus, the guide being provided with guide protrusions, at regular intervals on the outer surface thereof, which engage with the positioning holes of the leader sheet, thereby providing an image forming apparatus that is capable of easily and accurately loading into the body of the image forming apparatus a photosensitive sheet drawn out of a photosensitive sheet cartridge mounted in the body of the image forming apparatus without creasing or damaging the photoconductor sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.