Motography (Jan-Jun 1915)

Tune 19, 1915. MOTOGRAPHY 1005 Recent Patents in Motography REVIEWED BY DAVID S. HULFISH NO. 1,089,762. Intermittent Mechanism. G. V. J. Guilbert, Paris, France. In the Geneva starwheel, the radial slots are upon one face of the wheel, the locking arcs upon the other face, and a web of metal between, giving a strong construction to the elements. 1.090,128. Indicator. F. H. Avers, Portage, Wis. A small dial upon the feed magazine has an indicator arm riding upon Fig. 1,090,12 the film in the magazine and indicating upon the dial the length of film remaining. 1,090,287. Safety Attachment. H. B. Cunningham. St. Paul. Minn. Knife blades are arranged to cut the film and close the mouth of the magazine. These are restrained by inflammable cords near the film window. The cords burn, the film is cut and the magazines closed, if the film in the window should blaze. 1.090,622. Lamphouse. C. F. Jenkins, Washington, D. C. Fig. 1,090,622 A single casing contains lamp, condensers, and rheostat resistance, the casing being amply provided with ventilation. 1,090,679. Film Making. B. Borzykowski, Berlin, Germany. An endless belt runs over rollers; dissolved celluloid is sprayed upon the belt ; heaters evaporate the solvent ; pumps pump off the gases of evaporation and other rollers take off the resultant film from the belt. 1,091,343. Camera. C. F. Jenkins, Washington, D. C. The film moves continuously and lens and film move together during the exposure. 1.091,543. Shutter. A. D. Standeford, Kansas City. Mo. To open the lens quickly a shutter _ of narrow slats rotates each slat from flat to edge. The thin edges of the slats are out of focus for the screen and are not discernible. 1,091,864. Projector. G. E. Ripley and W. M. Gladson. Fayetteville, Ark., and R. E. Thompson, Heber, Ark. The film moves at steady speed. A ring of mirrors, forming the inner surface of a cone wheel, reflect the beam of light, producing a steady picture on the screen, without dark intervals. 1,091,662. Protective Device. W. J. Kerr, Smethport, Pa., assignor of part to T. E. Hungiville, Smethport, Pa. The magazines and the box of the motion head are connected by flues to an exhaust fan, and a guard is provided from the lens to the projecting window of the booth. 1,092,549. Magazine. C. H. Weise and F. A. McAuvie, Archbald, Pa. The upper magazine is for horizontal reel, feeding from middle of the coil of film, and guide rollers are mounted in the lid of the magazine. 1,093,646. Fire Shutter. John Oertly, assignor to New Jersey Patent Co., West Orange, N. J. (Application filed April 24, 1906.) The fire shutter is normally closed, but is opened by frictionally operating means upon the driving mechanism; in addition, it is possible to render the friction means ineffective so that the film drive may run with fire shutter closed. 1,093,933. Film Winder. C. F. Jenkins, Washington, D. C. There is in this improved winder an arm carrying two idler pulleys, one of which is a belt tightener for the take-up drive belt and the other is an idler in the loop of the film Fig. 1,093,933. between the lower steady feed and the take-up reel. Should the reel drive too fast and reduce the film loop, the arm is shifted to loosen the drive belt. 1,094,147 and -8. Shutter and Color Screen. F. W. Hochstetter, assignor to H. P. Patents and Processes Co., New York, "N. Y. A rotary shutter is associated with a reciprocating color screen, the two being driven in synchronism, producing the effect of a shutter having windows of transparent color plates for projection of color pictures. 1,095,096. Magazine. F. J. H. Fleck, Tamaqua, Pa. In a magazine for horizontal feed reel feeding from center of reel, the film is taken downward through the axis of the reel, instead of up, out and then down as usual. 1,096,284. Projector. W. A. Chapman, Smithville, Ark. A novel arrangement of motion head and slide projector in 1,096,284. which the change from motion head to fixed slide is made by shutters and reflectors, not by sliding the lamp house or rotating the projecting head, as usual. 1.096.887. Film Cabinet. J. F. Blaski, Chicago, 111. A