Photographic printing apparatus
AssigneesMikio Kogane, Seiichi Yamazaki
InventorsMikio Kogane, Seiichi Yamazaki
Life of this patent
Estimating the term…
Abstract
A printing apparatus includes a paper cutter, a hole puncher and a guide clip which engages a strip of printed paper for conveyance to a developer. As the printer operates intermittently while the developer operates continuously, a reservoir or buffer zone is provided for the paper between the two. A mechanism for storing guide clips automatically delivers and orients a guide clip so as to engage a transported paper strip for further conveyance therewith by means of a chain conveyor or the like. As the printer may move vertically independently of the fixed developer, the conveyor is made expandible so as to accommodate differences in the conveyance distance.
Claims19
A photographic printing apparatus, comprising:
- a cutter for cutting a strip of photographic printing paper, a hole puncher for making perforations in said strip adjacent to a leading edge thereof, means for engaging a printing paper guide clip in said perforations, a reservoir for temporarily accommodating a portion of said strip continuing from said guide clip, said reservoir disposed between said cutter and said means for engaging said printing paper guide clip, and means for transferring said guide clip with said leading edge of said strip engaged therewith to a developing apparatus.
A photographic printing apparatus, comprising:
- a cutter for cutting a strip of photographic printing paper, a hole puncher for making perforations in said strip adjacent to a leading edge thereof, means for engaging a printing paper guide clip in said perforations, a reservoir for temporarily accommodating a portion of said strip continuing from said guide clip, and means for transferring said guide clip with said leading edge of said strip engaged therewith to a developing apparatus, wherein said clip engaging means includes means for feeding said guide clips one by one to a location at which said guide clips are engaged with said strip.
A photographic printing apparatus, comprising:
- a cutter for cutting a strip of photographic printing paper, a hole puncher for making perforations in said strip adjacent to a leading edge thereof, means for engaging a printing paper guide clip in said perforations, a reservoir for temporarily accommodating a portion of said strip continuing from said guide clip, and means for transferring said guide clip with said leading edge of said strip engaged therewith to a developing apparatus, said hole puncher making perforations numbering greater than a number required for engagement with said guide clip, the additional perforation being detected by sensor means, and means advancing a guide clip to an engagement position in response to said detection.
A photographic printing apparatus, comprising:
- a cutter for cutting a strip of photographic printing paper, a hole puncher for making performations in said strip adjacent to a leading edge thereof, means for engaging a printing paper guide clip in said perforations, a reservoir for temporarily accommodating a portion of said strip continuing from said guide clip, means for transferring said guide clip with said leading edge of said stip engaged therewith to a developing apparatus, and means for returning said strip in a direction opposite said conveyance direction after cutting a portion from said strip, to allow printing to take place on portions of the returned strip.
In a mechanism for conveying a strip of printed photographic paper from a printing device to a developing device, said mechanism including a pair of chains, belts, or like circulating conveying means engageable with both ends of a guide clip connected to the leading edge of said strip, for conveying said guide clip and said strip, the improvement comprising a pair of first plates provided outwardly of said circulating conveying means and parallel thereto, and supported rotatably on said developing device, a pair of second plates provided outwardly of said circulating conveying means and parallel thereto, and supported rotatably on said printing device, a pair of slide plates, each provided between one of said first plates and one of said second plates, for sliding movement in accordance with a variation in the distance between said first and second plates, and means for controlling tension on said circulating conveying means.
An apparatus for guiding guide clips for a strip, said mechanism being disposed between first and second means for conveying said strip, said second conveying means being engageable with both ends of a guide clip connected to said strip for conveying said guide clip with said strip, said apparatus comprising a clip case, said case accommodating a plurality of guide clips in mutually stacked relation, clip guide grooves connected to said clip case, means for supporting a guide clip at at least one edge thereof, and means for pushing said guide clip, said pushing means being located on the opposite side of said guide grooves from said supporting means.
Dependencies are inferred from the claim text.