Abstract: The present invention relates to a press machine that has a vertically movable ram for supporting upper or lower bending tools, said ram being integrally provided with an operation member, and a position determining member having an adjustable position located at a suitable point on said press machine such that when the operation member on the ram contacts the position determining member, the vertical movement of the ram is stopped. The press machine further includes a screw mechanism that is screw-coupled to the position determining member and is movable in an axial direction, a pulse motor drive unit which turns the threaded bolt, and a manual pulse generator for operating the pulse motor from a remote location.

Abstract: The present invention relates to a press machine that has a vertically movable ram for supporting upper or lower bending tools, said ram being integrally provided with an operation member, and a position determining member having an adjustable position located at a suitable point on said press machine such that when the operation member on the ram contacts the position determining member, the vertical movement of the ram is stopped. The press machine further includes a screw mechanism that is screw-coupled to the position determining member and is movable in an axial direction, a pulse motor drive unit which turns the threaded bolt, and a manual pulse generator for operating the pulse motor from a remote location.

Abstract: A photographic printing method include the steps of entering information into a storage medium as to location of each of a plurality of image frames on a negative film to be printed, entering data into said storage medium as to the desired print position of each of a selected number of said frames, and controlling a negative film transporting means and a printing paper moving means based on said information and said data to independently locate each of said selected number on said paper.

Abstract: The present invention relates to a backgauge device comprising a plurality of guide members extending substantially parallel to one another, a movable body supported on each guide member so as to be movable in the direction of the guide member, a drive mechanism connected to each guide member for independently moving each of the movable bodies along its respective guide member, a beam member extending transversely to the guide members, the beam member being supported by the movable bodies and said movable bodies being vertically adjustable independently of each other so that the beam member can be adjusted in both a horizontal and oblique manner.

Abstract: A color printer wherein densities of blue, green and red colors of an object copied print with respect to an original color picture for setting standard copying conditions by using the original color picture, a copied print is made by using the original color picture for setting standard copying conditions, densities of blue, green and red colors of the copied print are measured in an optical path of copying exposure, and the standard copying conditions are set on the basis of the functions of the measured densities of the object copied print and the copied print.

Abstract: The present invention relates to an image display system, and more particularly to an image display system intended for use in the artificial diagnosis of requirements for the determination of print exposures in making prints from the images on a photographic film.

Abstract: Apparatus for making folds or bends of adjustable length in sheet metal. The apparatus includes a retractable chain-like die which can be shortened or lengthened so as to adjust the operative length of the die.

Abstract: In a transmittance densitometer comprising a sample stage with a central measuring light path passing therethrough which is illuminated interiorly, there are provided a semi-transparent illumination plate provided for the sample stage, the semi-transparent illumination plate surrounding the measuring light path and capable of diffusing transmission light, and a local illumination chamber disposed beneath the illumination plate, the chamber optically isolated from illumination light directing to the measuring light path and the sample stage, whereby an illumination lamp disposed interiorly of the local illumination chamber is turned on under the control of the level of an ambient light shielding cylinder which partially defines the measuring light path.

Abstract: This disclosure relates to a roll forming machine having a plurality of sequentially-arranged forming units adapted to progressively bend edges of metal sheet into a given shape. The forming units include upper and lower rollers between which the metal sheet is fed and having axes of rotation inclined to one another. Each of the lower rollers includes a bending portion and a holding portion defining a predetermined angle therebetween. The upper roller has two frusto-conical peripheries disposed in confronting relation to the working surfaces of the lower roller and spaced therefrom by a distance corresponding to the thickness of the sheet metal. In order to accommodate sheet metals of different thicknesses, the spacing between the upper and lower rollers may be varied by mounting the upper roller on a swingable mounting means whereby the upper roller is swung along a relatively short arc which approximates a linear path bisecting the angle defined by the working surfaces of the lower roller.

Abstract: This invention relates to a scanning densitometer for obtaining information on the areal distribution of optical density of photographic image by scanning the entire area of an image, comprising plural input optical fiber bundles of which faces are arranged across the image and of which light-emitting faces are arranged on a circle with a predetermined interval. Plural output optical fiber bundles have light-receiving faces arranged so as to respectively face the light-emitting faces and which output faces are arranged so as to respectively face plural photoelectric converting elements. A rotary disc between the light-emitting faces and light-receiving faces is provided with blue, green and red filters arranged on the circle, whereby information of the distribution of photographic density over the entire image area being obtained by measuring the light which passes through said filters of said rotary disc.