Patent GB-337029-A (GB)
IPC: G03B17/53
Filed: 1929-07-22
Abstract: 337,029. Ocur Metallbettenfabrik Ges. April 22, 1929, [Convention date]. Coin-freed apparatus; cameras combined with weight-recording means; marks producing on negatives by exposure.-In apparatus for taking and developing a negative on light-sensitive paper and producing and delivering a positive therefrom, operated from a single motor, the developing apparatus of the taking camera and that of the reproducing camera are continuously driven; the taking camera mechainsm is driven by a coinactuated electromagnetic clutch, and the reproducing camera mechanism is driven by means of a similar clutch which is operated by the developed negative as it passes into position for reproduction. Starting and driving mechanism. The motor g, Figs. 1 and 3, drives a shaft 2 from the continuous rotating of which are derived (a) the continuous operation of the developing apparatus d, Fig. 1, of the taking camera b and that f, i of the reproducing camera e, (b) the continuous rotation of a wheel 13, Fig. 4, loosely mounted on a shaft 15 to which the camera mechanism can be clutched; and (c) the continuous rotation of a shaft 52, Fig. 9, to which the drive of the reproducing camera can be clutched. On inserting a coin in the shoot h, Fig. 1, the electromagnet 5, Fig. 3, is energized and a pin 10, Fig. 4, on the armature lever 8 thereof pushes a spring pin 11 housed within the flange of a wheel 16 into engagement with' one of the notches 12 in the periphery of the rotating wheel 13. The clutch pin is held in engagement by the inner surface of a stationary flange 18 for one complete revolution, during which the negative is taken and delivered to the developing apparatus. The driven wheel 16 is keyed to the shaft 15 which drives through chain gearing 14, 19, the sprocket 20, Fig. 7, of the camera mechanism. A similar clutch is used for subsequently coupling the reproducing camera mechanism, Camera mechanism. Grip feed rollers on shafts 21, 21<1>, Fig. 7, one of which is gapped, feed a length of paper into the camera. Also driven from the shaft 21 is a wheel 28 with a contact segment engaged by a contact finger 31 by which lamps in the chamber 34, Fig. 1, are switched on for illuminating the sitter on the seat a. The shutter is actuated by a. cam driven from the shaft 21. After the exposure the exposed strip is cut by a spring-operated knife normally held retracted by the cam portion of the wheel 38, Fig. 7, and lever mechanism 40, 43. The cut strip falls through a shoot c to the developing apparatus d through which it is carried and delivered by rollers 45, Fig. 9, to the reproducing camera e. Reproducing apparatus. In passing to the position 54, Fig. 9, the negative operates a leverswitch 48, thereby energizing an electromagnet 51 which operates to throw in a clutch as described above, which clutches in the paper feed and cutting mechanism 58, 59, 62 of the copying apparatus with the motor shaft 2. A driven contact segment 55 also lights a lamp 56 for illuminating the negative. The exposed positive strip 60 is passed on by a feed roller 65 over a roller 63 to the developing apparatus f, from which it is delivered through the drying apparatus i, Fig. 1, to the receptacle k. Weight recording apparatus. The Specification as open to inspection under Sect. 91 (3) (a) includes also the provision of a weight recording apparatus, the weight-indicating disc having peripheral markings which are reproduced by projection on the negative be means of an auxiliary lamp switched on synchronously with the illumination of the sitter. This subject-matter does not appear in the Specification as accepted.