Original film discharge mechanism in an inclined-type exposing apparatus
US4764794A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1987 |
| Grant date | Aug 16, 1988 |
| Priority date | — |
| Expiry date | Sep 15, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an original film discharge mechanism in an inclined-type step and repeat machine that includes a photosensitive material holder having a rearwardly inclined surface for holding thereon a photosensitive material and an original film holder movable along the surface of the material holder, which mechanism includes a discharge part having a surface rearwardly inclined at substantially the same angle as that of the surface of the material holder with respect to the horizontal for receiving thereon the original film discharged from the film holder, and a supporting member for supporting the original film removed from the film holder, the improvement includes suctions provided on the surface of the discharge part for suction-holding the original film being discharged onto the part from the film holder, the suctions being positioned upward of and remote from the supporting member along the surface of the discharge part at a distance larger than longitudinal size of the original film; the film holder and suctions being adapted for relative movement away from each other while the latter suction-holding the film to thereby release the film from the film holder; and whereby the original fi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.