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4406551 |
Electric numbering machine
An electric numbering machine which continuously prints a number of large figures by use of a single figure wheel, is compact in size, and reduces the printing operation time. A case of the machine...
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4386863 |
Printer mechanism for typewriter
An improved, low cost, high speed, impact printing apparatus usable as a typewriter or as a machine printer is disclosed which includes a carriage translatable along a page through a rack and gear...
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4023665 |
Power driven typewriter
A typewriter comprising a shiftable carrier supporting a rotatable type drum having a plurality of circumferentially extending rows of type characters thereon. Typing keys, when depressed,...
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4020757 |
Machine for marking objects
Machine for marking objects, such as steel sheets, comprising a frame, a raisable and lowerable holding cylinder being suspended from the frame, and an embossing head being arranged beneath and...
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3944052 |
Single element flexible type drum
A type drum comprising a shell formed as an open network of rows and columns with type characters being formed at the intersections thereof, the shell being attached at one end by struts to a hub...
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3941228 |
Electromagnetically operated printer
A printer, suitable for operation by an electric computer, includes a traveling carriage. The carriage carries a type-head that is vertically and rotatably shiftable to properly orient a type...
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3823807 |
ROTARY PRINT WHEEL MECHANISM WITH HAMMERING BRACKET
A type wheel or wheels are rotatably mounted between the upper and lower arms of a yoke-shaped member which in turn is drivingly coupled to a rotary shaft for rotating about the axis thereof the...
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3811546 |
MECHANICAL PRINTER
A mechanical printer with a plurality of typing wheels which are pivotable separately from the carrier is provided in which an outer shaft which causes the typing wheels to revolve in unison around...
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3799311 |
REMOVABLE TYPEHEAD FOR A PRINTING MECHANISM
A removable typehead for a printing device in which the typehead is rotated to align a particular type for printing. The typehead is mounted on a shaft supported by a pair of spaced opposed arms....
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3770095 |
PRINTING MECHANISM HAVING A SINGLE PRINTING ELEMENT
A printing mechanism is provided with a substantially horizontal barrel-shaped type carrier. The type carrier is rotatable by means of an articulated joint and gears on a yoke for selecting a row...
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3769626 |
PRINTING ELEMENT FOR MULTI-POINT RECORDERS
A printing mechanism for a multi-point recorder capable of recording as a function of time the magnitude of a number of different measured quantities, such as temperature, pressure, voltage, or the...
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3739898 |
TYPEWRITES WITH SINGLE SPRING TO PROVIDE LETTERSPACING AND PRINTING
An imprinting apparatus in the general form of a typewriter has shiftable carriage and imprinting assemblies and a stationary platen for imprinting on a sheet of paper or the like by the swinging...
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3738471 |
TYPE HEAD SHIFTING APPARATUS
A type head has two substantially hemispherical surfaces, with lower case and upper case types, respectively, arranged in circular rows. The lower case surface is normally in an operative position...
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3616888 |
TYPEWRITING MECHANISM HAVING PLURAL TYPE WHEEL TYPE HEAD
A typewriter mechanism which uses a plurality of type wheels with the characters thereon. The type wheels are positioned in a type wheel head which is actuated by an axial selector means and a...
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3611412 |
MULTIPOINT RECORDERS
An improved multipoint print mechanism for a recorder capable of recording as a function of time the changes in magnitude of a number of different variable quantities, such as temperature,...
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3608692 |
SELECTOR STRUCTURE FOR PRINTING MACHINE
A teleprinter for printing characters on a receiving medium in response to a telegraphic code, including a platen, a carriage movable along the platen, a cylindrical type element mounted on the...
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3548993 |
TYPE HEAD DRIVING AND STOPPING APPARATUS
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3404765 |
Printing device with selecting mechanism employing a group of eccentrics
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3353648 |
Typewriter with typewheel and hammer mounted on movable carriage
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3343642 |
Typing apparatus having plural type wheels which selectively strike platen
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3272302 |
Printing mechanism for typewriters having plural typewheels
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3233715 |
Transmitter receiver machine employing print sphere typewriter structure
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3176069 |
Type wheel mechanism for printing telegraph page printer
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3151547 |
Oscillating print wheels on movable carriage
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2870897 |
Electrically operated text writing device for bookkeeping machines
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