Abstract: The teachings of the present invention include a brake mechanism for a continuously adjustable pivotable character display that does not cover the keyboard of the computer, personal word processor or typewriter, has a relatively small angle of movement and has a relatively short arm length. The brake mechanism comprises a brake pad mounted on the typewriter and a cam located on the pivotable character display such that the display is continuously pivotable between a down position and an upright position. The cam compresses the brake pad as the display is brought towards a down position and the frictional force between the cam and the brake pad is sufficient to hold the display in a desired position between the down position and the upright position. The brake mechanism may include an indentation in the housing of the typewriter such that the brake pad fits into the indentation snugly and is held in place by the walls of the indentation and the friction between the brake pad and the walls of the indentation.

Abstract: A thermal print head control mechanism for use with a thermal typewriter or thermal printer supported on a carrier housing which moves along a platen and the mechanism includes a bidirectional motor and pinion gear for selectively rotating a sector gear about a center point. A bellcrank having a pair of arms is supported on the carrier housing for pivotal rotation about a point between the arms. An end of one of the arms carries a vertically directed print head proximate the platen and an end of the other arm is connected to an anchor near one side edge of the sector gear by a coil spring. The anchor point is positioned so that as the sector gear is rotated from one position to another, the longitudinal axis of the coil spring will cross over the sector gear center of rotation. During rotation of the sector gear, the axial length of the coil spring is such that it will be tensioned when its longitudinal axis is on each side of the sector gear center of rotation.

Abstract: An improved dual purpose print ribbon cartridge for use with a typewriter or printer having upper and lower walls joined by side walls one of which is a front sidewall. The cartridge being provided with ribbon exit and entrance ports at opposite ends of one of the front sidewalls for movement of said ribbon along and spaced from said front sidewall. The upper wall being formed with an upwardly directed extension for guiding the paper, after printing, in an upwardly direction.

Abstract: A facsimile machine and paper cartridge system wherein the facsimile machine is convertible by accepting disposable cartridges having either plain paper or paper coated with a thermal transfer coating, either cartridge having a paper flow path which reverses the natural curl of the paper to provide generally flat facsimile printouts. Each type of cartridge may also be provided with a wiping surface for cleaning the facsimile machine print head upon the insertion and removal of the cartridge from the machine.

Abstract: An improved dual purpose print ribbon cartridge for use with a typewriter or printer having upper and lower walls joined by side walls one of which is a front sidewall. The cartridge being provided with ribbon exit and entrance ports at opposite ends of one of the front sidewalls for movement of said ribbon along and spaced from said front sidewall. Said front sidewall being formed with an upwardly directed extension for guiding the paper, after printing, in an upwardly direction.

Abstract: A thermal paper cartridge for a facsimile machine, the cartridge including an internal supply of thermal paper, a facsimile machine print head cleaning surface, and an internal paper flow path which reverses the natural curl of the paper to provide generally flat facsimile printouts.

Abstract: A word processing system or memory typewriter having a list of misused phrases together with alternative phrases for each misused phrase in the list and all stored in the memory. The memory includes a spelling Dictionary part and a phrase alert part which is responsive to the spelling dictionary part and including therein a list of alternative phrases both being available for comparison with the words and phrases being introduced into the system; a detection element for sensing entry of any phrase on the phrase alert list, a selectively enabled generator of a warning signal for the operator being activated in response to sensing entry of any of said phrases by said detection element; a first control responsive to pressing a discrete one of a depressible keys. The first control is operable to present in the display any phrase so detected along with alternative phrases therefore.

Abstract: A plain paper cartridge for a facsimile machine, the cartridge having an internal supply of plain paper and thermal transfer ribbon, a wiping surface for cleaning the facsimile machine print head upon the insertion and removal of the cartridge from the machine, and an internal paper flow path which reverses the natural curl of the paper to provide generally flat facsimile printouts.

Abstract: An improved carriage moving mechanism on a frame for a typewriter of printer.(a) The carriage is movably mounted on a guide rail for longitudinal movement on the frame;(b) The traveling motor is fixedly mounted on the carriage including a pinion attached to a rotary shaft of the motor;(c) The rack is attached to the frame extending longitudinally substantially in parallel to the guide rail;(d) The rack is rigid longitudinally thereof and is flexible in a flex direction perpendicular to the longitudinal direction, the rack including a tooth side adapted to engage with said pinion, the surface of the rack including the line of teeth and its surface opposite the pinion being substantially parallel to the guide rail; and(e) A spring loaded slider assembly is mounted as a part of the carriage and is adapted to make continuous sliding contact with the surface of the rack in opposition to the tooth surface of the rack in the area of the pinion rotation.

Abstract: An arrangement for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and a second cassette having a correction tape therein in the operation thereof, the arrangement including engaging formations located on the first and second cassettes which ensure that the ink ribbon and correction tape are functionally compatible with each other when the respective cassettes are inserted in the device such as, for example, functional compatibility between a single-strike ink ribbon and a lift-off correction tape, or functional compatibility between a multiple-strike ink ribbon and a cover-up correction tape.