Abstract: A re-inkable ribbon cartridge for use in a printing device for printing on a sheet of paper and obtaining a consistent darkness of print. The ribbon cartridge has a base member with an exit arm and an entrance arm extending from the base member with a print space between ends of the arms. A ribbon storage chamber is formed in the base member, and an ink ribbon extends from the ribbon storage chamber and through the exit arm, the print space, and the entrance arm to return to the ribbon storage chamber. A drive wheel is mounted in the cartridge for moving the ribbon out of the storage chamber with a press wheel that presses the ribbon against the drive wheel and meters ink onto the ribbon. An ink reservoir chamber is formed in the cartridge, and a foam pad containing ink is positioned in the ink reservoir chamber. A wick extends from the foam pad and contacts the press wheel to transfer ink by capillary action from the foam pad to the press wheel which meters the ink onto the ribbon.

Abstract: A hanging-folder file frame for hanging folders which have two rigid top edge members with end hooks, and a web which extends downwardly from one top edge member to a fold line and extends upwardly from the fold line to the other top edge member, comprises a first U-shaped end frame member which has a base portion with two legs that extend upwardly from the base portion and terminate in top portions, a second U-shaped end frame member which has a base portion and two legs that extend upwardly from the base portion and terminate in top portions, a pair of side rails that extend between the first and second U-shaped end frame members, and corner caps which connect the ends of the rails to the top portions of the end frame legs. The corner caps have key holes that receive keys formed in the top portions of the legs to present rotation of the corner caps. The top edge members of the hanging folders cross brace the file frame.

Abstract: An overhead projector for projecting images contained on media. The projector includes a housing having first and second image media storage cassettes and a platen which moves between those cassettes. A lifter is mounted between the cassettes for lifting the media from the first or second cassette onto the platen for projection. The lifter includes a lifting drive and a media gripping device. An image projector is movably mounted to the housing and positionable over the first or second cassette to project an image from media positioned on the platen to a view area. The projector includes a movable arm containing an illumination source, mirror and lens. Image media contained in a cassette can be sequenced from that cassette to the other by lifting onto the platen, from the cassette, projected and deposited in the other cassette either manually, remotely, automatically, or semiautomatically.

Abstract: A hand-held breaker tool for adjusting the length of the side rails of frames that support hanging file folders in a drawer. The tool is used to break off an unwanted excess length portion of the side rails. A method of adjusting and assembling a frame for holding and supporting hanging file folders and inserting the frame into a drawer of a desk or file cabinet.

Abstract: Assembly fixtures for assembling and stuffing a ribbon into a ribbon cartridge for use with a typewriter, or a printer, comprises a base plate, stops on the base plate forming a space for receiving a ribbon cartridge, and an instruction card mounted on the base plate for instructing the operator how to assemble and stuff a ribbon cartridge. The instruction card may include three-dimensional drawings of the ribbon cartridge and its parts. A method of assembling and stuffing a ribbon cartridge includes the steps of providing an assembly fixture having a base plate and a ribbon cartridge space providing instruction cards mounted on the base plate for instructing an operator, guiding the ribbon cartridge into the cartridge space on the base plate, and following the instructions mounted on the base plate to assemble and stuff the ribbon cartridge.

Abstract: A file box for video cassettes comprising a box, the box having a bottom panel, a rear wall panel, a top panel, a left side end cap, and a right side end cap, and a foam liner for covering inside surfaces of the top, bottom and rear panels. A door panel may be included for closing the opening in the front of the file box, and a latch for latching the door flap to the top panel and for closing the box. The foam liner has fingers which form individual compartments for holding the video cassettes firmly and resiliently in place.

Abstract: A hand-held breaker tool for adjusting the length of the side rails of frames that support hanging file folders in a drawer. The tool is used to break off an unwanted excess length portion of the side rails A method of adjusting and assembling a frame for holding and supporting hanging file folders and inserting the frame into a drawer of a desk or file cabinet.

Abstract: A box for storing hanging files, which includes two chipboard sheets which have a plurality of panels that are foldable into a completed double bottom configuration, with vertically extending interlocking corner posts to retain the front, side and rear panels together. The side panels each have a top mounted side rail thereon from which the files are suspended. Each side rail also engages a pair of front and rear corner posts. A top cover panel is hingedly connected to the rear panel of one sheet, with a cover flap hingedly connected to the cover panel. The cover flap is detachably connected to the front panel by loop and pile fastener tabs on the cover flap and the front panel. Handles are provided for lifting and moving the box.

Abstract: A rotary table assembly apparatus for stuffing a snailed endless ribbon into a ribbon cartridge comprises a rotary table, a mounting plate affixed to the table for mounting and positioning a bottom housing of a ribbon cartridge, a loop tray affixed to the front portion of the mounting plate for holding a snailed loop while it is being stuffed into the ribbon cartridge, adjustable slide panels mounted on the loop tray to create narrow slits with a pin to hold the ribbon upright as it passes through the slits into the ribbon cartridge and to prevent more than one layer of ribbon from passing from the loop tray into the cartridge, and a cover for keeping the ribbon from jumping out of the loop tray as the ribbon is being fed into the cartridge.

Abstract: A rotary table assembly apparatus for stuffing a snailed endless ribbon into a ribbon cartridge comprises a rotary table, a mounting plate affixed to the table for mounting and positioning a bottom housing of a ribbon cartridge, a loop tray affixed to the front portion of the mounting plate for holding a snailed loop while it is being stuffed into the ribbon cartridge, adjustable slide panels mounted on the loop tray to create narrow slits with a pin to hold the ribbon upright as it passes through the slits into the ribbon cartridge and to prevent more than one layer of ribbon from passing from the loop tray into the cartridge, and a cover for keeping the ribbon from jumping out of the loop tray as the ribbon is being fed into the cartridge.

Abstract: A ribbon cartridge comprises a housing having a bottom wall and a side wall extending upwardly therefrom to form an open top, a cover adapted to fit over the open top of the housing to close the housing to form a ribbon cartridge, an output arm and a take-up arm formed in the cartridge with a print space between the arms, the cartridge being adapted to hold a ribbon stuffed inside and extending between the arms from the output arm to the take-up arm, flexible fingers which are spaced apart from each other and attached at their base portions to the housing, with each finger being positioned in a finger opening in the bottom wall of the housing, whereby when an end tab of a finger meets resistance from a top wall of a correction cartridge, the finger is pushed into the interior of the housing, and when an end tab of a finger does not meet such resistance, it actuates the typewriter switch to actuate the typewriter.

Abstract: Tape feed control apparatus for a correction tape cassette 11 for a typewriter for controlling the amount of correction tape being fed to a printing point for lifting-off or covering-up a typed character, comprises a housing 13, a post 15 mounted in the housing 13, a brake finger 17 pivotally mounted on post 15 so that an end portion 17a of the brake finger 17 is in frictional contact with correction tape 18 on a take-up spool 19 to hold the tape firmly on the take-up spool 19, a spring 20 in contact with brake finger 17 urges a brake finger end portion 17a against the tape 18 on the take-up spool 19, an opening 25 in the sidewall 13a of housing 13 admits a typewriter metering post 26 into the housing 13, a stop member 27 formed in the housing 13 limits the travel of typewriter metering post 26 into housing 13, the stop member 27 is stationary so that its position does not change in response to the amount of correction tape 18 on the take-up spool 19 so that the distance travelled by the metering post 26 corr

Abstract: A ribbon cassette has a rectangular clip and a mushroom clip on its guide arms for detachably mounting a ribbon protector which has a rectangular slot that attaches to the rectangular clip and allows some lateral and back and forth movement of the ribbon protector, and has a starburst hole with leaves that attach to the mushroom clip for detachably holding the ribbon protector on the cassette and for positioning a central print hole in the protector in a central space between the ribbon guide arms of the cassette.

Abstract: The spring (6) has two radially aligned legs (7, 8) and a circular-segment-shaped web (9) connecting the legs. The web (9) is inserted with initial stress in a circumferential groove (10) of an unwinding core (3). The free end of the leg rests against a stop (11). The free end of the leg (8) is bent at a right angle. The right-angle bend forms a deflecting organ (12), around which the ribbon (5) is fed. The surface of the spring (6) is roughened and abrasive at least in the area of the web (9). The spring (6) is preferably phosphatized for this purpose. By means of this design, a uniform ribbon tension over the entire running time of the ribbon is achieved.

Abstract: A ramp ribbon cartridge adapted for ramp mounting of a ribbon in a printer device which comprises a cartridge housing having a first end and a second end, a ribbon stored in and extending from the cartridge housing and on which a printing head makes a printing track while printing, a drive wheel for pulling the ribbon out of the housing, with the drive wheel being rotatably mounted at a first end of the cartridge housing and being adapted to connect with a drive shaft in a printer device, a ramping mechanism between the cartridge housing and positioned near the second end of the housing so as to place the ribbon at a ramp angle to the horizontal, a loose fitting connection between the drive wheel and the drive shaft of the printer device so that the drive shaft still drives the drive wheel without binding when the drive wheel is tilted on its axis away from the vertical, whereby the printing track of the ribbon is at a ramp angle to the top and bottom edges of the ribbon and is wider than if the ribbon were p