Abstract: An ink ribbon cassette is pivotably mounted to a printer. Ink ribbon is accommodated in the ink ribbon cassette and is caused to travel by a ribbon feed roller driven by a drive shaft provided in the printer. Printing operation is carried out at the cassette end arm portion by a printing head, while the cassette end arm portion is reciprocatingly moved in the widthwise direction of the ink ribbon relative to the fixed printing head by an actuating mechanism so that a printing region of the ink ribbon is diffused and becomes wider than a printing width of the printing head. The actuating mechanism includes a small gear integral with the ribbon feed roller, a cam driven by the small gear, and a lever engaging with the cam.

Abstract: A photo film cassette includes a spool for winding the photo film thereabout, and a cassette shell for containing the spool in a rotatable manner. The spool has first and second ends disposed to appear outside the cassette shell. To manufacture the photo film cassette, a cassette shell with the spool is retained while confronting a drive shaft with the first end and confronting a support shaft with the second end. The support shaft is slid in an axial direction, to support the second end. The spool is displaced via the support shaft to a braked state where rotation of the spool is blocked. The spool is displaceable between the braked state and a released state. The drive shaft is rotated and slid while the spool is in the braked state, to engage the drive shaft with the first end in a key-engaged manner. After the drive shaft is engaged with the first end, the spool is displaced from the braked state to the released state.

Abstract: A labeling method and apparatus for putting a label onto a periphery of a photo film cassette, while conveying the photo film cassette from a label applying position to a label securing position while supporting the photo film cassette in a posture. In a label applying unit, a label is partly peeled from a label tape by turning the label tape around a separator member. While the peeled end portion of the label is hanging down from the separator member, the photo film cassette is moved toward the end portion of the label to stick the end portion to a forward portion of the periphery of the photo film cassette. As the photo film cassette is moved further toward a label securing unit, the label is completely peeled off. The label securing unit presses and rolls a pressing roller on the label along the periphery of the cassette to securely stick the label to the periphery.

Abstract: An apparatus for assembling photographic film cassettes each comprising a spool assembly and a pair of shell halves. A plurality of pallets are stepwise conveyed on a pallet conveyer. Each pallet has a spool holder, an intermediate holder and a shell holder. Parts of the spool assembly are sequentially fed to the spool holder and are assembled into the spool assembly at the spool holder. The spool assembly is transferred from the spool holder to the intermediate holder to be turned from a vertical into a horizontal orientation. Thereafter, the spool assembly and other parts of the photographic film cassette are sequentially fed to the shell holder and are assembled into the photographic film cassette at the shell holder.

Abstract: A method and an apparatus for assembling photographic film cassettes each comprising a spool assembly and a pair of shell halves. A plurality of pallets are stepwise conveyed on a pallet conveyer. Each pallet has a spool holder, an intermediate holder and a shell holder. Parts of the spool assembly are sequentially fed to the spool holder and are assembled into the spool assembly at the spool holder. The spool assembly is transferred from the spool holder to the intermediate holder to be turned from a vertical into a horizontal orientation. Thereafter, the spool assembly and other parts of the photographic film cassette are sequentially fed to the shell holder and are assembled into the photographic film cassette at the shell holder.

Abstract: A photo film cassette has a spool core (13) about which the photo film is wound in a roll form. A flexible disk (16, 17) is secured to each of two ends of the spool core, for regulating each of edges of the photo film. Material of the disk being thermoplastic synthetic resin sheet (27). The sheet is subjected to vacuum/air-pressure forming to form a disk-like portion (50). The disk is cut out of the disk-like portion by a punch/die set (31) before conveyance to a spool core mounting station. To inspect the disk, a photoelectric switch (54) includes a projector (54a) for applying a beam to a die of the punch/die set after cutting out the disk. A receiver (54b) measures the beam reflected by the die. A controller (55) evaluates the measured beam, to inspect occurrence of deposition of the disk on the punch/die set. If the deposition occurs, the controller considers the disk likely to overlie on one subsequent disk.

Abstract: A label sticking apparatus has a suction drum with at least three holding-sticking units mounted at constant intervals on the periphery thereof so as to be movable in radial directions of the suction drum. The suction drum is rotated intermittently by a constant amount so as to feed and stop the holding-sticking units at a label feeding station, a positioning station and a sticking station which are disposed around the suction drum in this sequence. Labels are seriatim peeled from a label tape and held on a distal end of the holding-sticking unit at the label feeding station. At the positioning station, positioning of each label is performed by a positioning head having a centering pin and a pair of angular position correction pins. At the sticking station, the holding-sticking unit is pushed through an eccentric cam radially outward from the suction drum toward a work-piece, to press and stick the label held on the holding-sticking unit onto the work-piece.

Abstract: One of a ribbon feed roller (32) and a pressure roller (34) for making an endless ink ribbon (30) run is displaceable relative to the other roller thereof for facilitation of replacement of the ink ribbon, and can be locked at a withdrawn position thereof. In a state where one roller is locked at the withdrawn position, mounting of the ink ribbon cassette on a printer is obstructed. Also, a running direction and an orientation of the endless ink ribbon are defined so that damage to the bonded portion of the endless ink ribbon is delayed as much as possible.

Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.

Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.

Abstract: An inked ribbon cassette comprising an ink supply felt, a first gear arranged in contact with the felt and a second gear in engagement with the first gear. An ink ribbon is pinched between the first and the second gears and driven by the first and the second gears upon rotation thereof. Accordingly, ink is transferred from the felt to the first gear, and in turn, from the first gear to the ink ribbon. There are grooves in the first gear for containing ink therein ink is excessively transferred from the ink supply felt to the first gear. The grooves are preferably provided in bottom lands of the first gear by increasing the whole depth of the first gear.

Abstract: A variable wavelength light source using a semiconductor laser element suitable for use in optical communications is provided. Light emitted from one end surface of the semiconductor laser element is led along a path through a light wavefront converting element (e.g., a Fresnel lens) and a spatial light modulating element which are both formed in a waveguide layer, to a diffraction grating which is also formed in the waveguide layer. Light reflected from the diffraction grating is caused to travel back along the same path but in the opposite direction and to impinge on the semiconductor laser element. Wavelength selection of by the spatial light modulating element and the diffraction grating is utilized for generating and maintaining oscillation at a selected wavelength in the laser element. The wavelength of light is selected by selecting the wavelength of a surface acoustic wave generated the spatial light modulating element, i.e.

Abstract: An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.

Abstract: A semiconductor light-emitting device which provides optically undistorted light includes a semiconductor light-emitting element and at least one optical element. The light emitting-element and the optical element are held in a resin which is transparent to light emitted from the light-emitting element so that light emitted from the light-emitting element travels to the optical element along an optical path entirely within the resin, but the light exits a portion of the optical element located outside of the resin.

Abstract: An optical head apparatus is provided with a holographic element composed of the first grid region which splits the light beam emitted from the light source into a plurality of light beams and the second grid region which diffracts the light beams reflected from the data-recording medium on the same plane, and prevents unnecessary signals from mixing themselves into the reproduction signal by varying at least the diffraction direction or the diffraction angle of the light beams in these grid regions.The first grid region has an elliptic aperture to make the .+-. primarily condensed spot beams onto the data-recording medium being extended elliptically to the data-recording direction.

Abstract: A semiconductor laser device includes at least two semiconductor laser elements emitting a plurality of laser beams from the front and rear facets, a light guide layer which guides the respective laser beams emitted from the rear facets and converts the wave fronts of the beams while guiding them to form separated beams, and a plurality of photodetectors which detect the converted wave fronts converted to monitor the intensities of laser beams emitted from the front facets.

Abstract: A driving mechanism for driving a moving handrail of an escalator and the like. The driving mechanism include driving rollers and guiding rollers which are disposed to confront with each other through the moving handrail interposed therebetween. The driving rollers are secured to a movable plate, while the guiding rollers are attached to fixed plates. The movable plate is adapted to be moved in the direction perpendicular to the moving handrail, while the fixed plates are firmly secured to a part of a truss frame which supports the escalator. The movable plate carries a sprocket by means of which the driving rollers are rotated to drive the moving handrail. The sprocket itself is adapted to be driven by a chain going therearound. The vertical component of the tensile force residing in the chain acts to press the driving rollers onto the moving handrail.

Abstract: In a man conveyor, a framework includes, as main frame members, beams of a steel material in the form of a letter I or of other shape in cross section, and struts for supporting guide members for endless handrails are rigidly secured to upper edge portions of the beams. The framework of this man conveyor is highly solid and makes possible simplification of the internal structure of the man conveyor.