Device for simultaneously printing and developing photographs

Claim 1

An improved integrated automatic device for simultaneously printing and developing photographs, comprising: (a) an exposure unit comprising a lamp, a filtering assembly, and an optical assembly formed by a frame and a lens, the exposure unit issuing a light beam; (b) a dark room unit comprising: (i) a light proof cartridge containing light sensitive photographic paper and a first slot for feeding said paper from said cartridge; (ii) a box on the top of which said cartridge rests; (iii) a delivering member for delivering a predetermined length of said paper, the delivering member having two disengageable parallel delivery rollers maintained under pressure, one driving, the other pressing; (iv) a second slot in the bottom of said box just below the two rollers and substantially in line with the first slot to allow the passage of the delivered paper therethrough; and (v) a cutter for cutting the paper after said predetermined length of paper has been delivered, said cutter having a fixed knife and a mobile knife disposed below said second slot, said fixed knife being disposed just below and substantially plumb with the plane of tangency of the two delivery rollers, and defining on the delivered light sensitive paper a part thereof to be exposed by said light beam, said mobile knife in a rest position entirely covering said second slot to seal the same in a light tight fashion; (c) a developing unit comprising treatment vats and means adapted for advancing an exposed sheet of paper through the different vats.