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6755125 |
High speed marker
A marking device (10) comprises a frame (1) (of frame plates (12,14)) to which are fixed first and second motors (16,18). A carriage frame (40) is pivoted in the frame about a screw axis (22). A...
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4820066 |
Method and device for coupling a cassette supported typewheel to a typewheel positioning shaft in typewriters or similar machines
A method for automatically coupling a typewheel rotatably mounted in a cassette to a typewheel positioning shaft. After the insertion of the typewheel supporting cassette into a typewriter or...
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4363559 |
Print wheel mounting assembly for serial printer
A print wheel mounting assembly for a serial printer comprising means for transmitting a torque from a rotary shaft to a print wheel, means for positioning the print wheel in the direction of its...
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4347786 |
Impact printer hammer flight time and velocity sensing means
In an impact printer including a print wheel having a plurality of selectable character type bearing elements for respectively printing a plurality of characters, said print wheel being rotatable...
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4347005 |
Mechanism to facilitate type disc changes
A device to facilitate the changing of disc-shaped type carriers in typewriters or printers includes a lever operated device to push against the type disc and to press it off its shaft. A basket is...
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4319849 |
Print hammer for high speed impact printer
A print hammer for a high speed impact printer using a movable type-face-carrier, e.g., a rotatable printwheel. The print hammer is designed to enable rotating the printwheel for character...
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4313682 |
Final positioning vibration damping device for type disc typewriters
Disclosed is a device for use in type disc typewriters or similar machines having types carried by spokes radially extending from a common hub which is rotated to position a selected spoke at a...
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4307967 |
Serial printing apparatus
A type element (22) is driven across a sheet of paper (24) and a hammer is driven at desired space positions for printing without stopping the type element (22). A length of time required for the...
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4289412 |
Automatic typefont loader
An automatic typefont loader is sequenced to change the printwheel typefont of a printer. An elongated rack supports plural picker holders along its length and is normally located beneath the...
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4268177 |
Paper thickness adjusting mechanism for impact printer
An apparatus adjusts the angular orientation of a moving carriage carrying a type font in a true font, stop-to-print, moving head high speed printer. This rotational adjustment provides a simple...
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4245917 |
Linear actuator driven printer
A high-speed printer includes a standard printing element, such as a daisy wheel, a paper feed mechanism and a ribbon feed mechanism. All of these various devices are controlled by a single linear...
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4236838 |
Type-carrier disk with flexible tongues
A type-carrier disk with flexible tongues for a printing device includes a central part for fixing onto a selection shaft and a peripheral notched crown from which issue several flexible tongues...
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4236842 |
Hammer support for rotary printing apparatus
A printing apparatus which includes a support for paper and a plurality of printing dies for making impressions on the paper. A reciprocally driven hammer is employed for causing the dies to form...
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4214837 |
Disc printers
The type carrying disc has the type characters spaced irregularly along the disc periphery in dependence on their width, but the order in which these characters appear on the disc is independent of...
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4196667 |
Print hammer for line printer
A print hammer having an improved head portion for striking a selected moving print character member in a line printing device is provided. The printing device prints when the print hammer strikes...
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4149809 |
Typewriter spiral disc printer
A rotatable disc type printer for use in conjunction with a typewriter having a movable carrier. The type element or characters are carried on radially extending petals and are arranged at varying...
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4101006 |
Carrier traverse control for a serial printer
In a serial printer a movable type character element such as a ball, disc or the like is rotated to present different type characters to the print position. The carrier for the type element is...
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4074798 |
Encoded print wheel system
A method and apparatus for providing variable print hammer energy information and variable character spacing information for every character of every font in an electronic typing system having...
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4044880 |
High speed wheel printer and method of operation
A print wheel is rotatably mounted on a carrier driven by a stepper motor to traverse the print line of a document. The wheel contains two or more arrays of characters with preferred characters...
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3970186 |
Damper for a composite print wheel
A damper for a composite print wheel comprising two generally circular rings of an elastomer impregnated fabric material with a ring being adhesively coupled to each side of the beams of the print...
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3949853 |
Proportional-spaced character print wheel
A print wheel, for use with a serial impact printer, carrying a plurality of character elements at the outer periphery of radially-extending spokes. The print wheel of the present invention is...
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3946852 |
Printer
A printer includes a print wheel having an outer circular row of typefaces comprising digits and punctuation signs and an inner circular row of typefaces comprising symbols, and hammer apparatus...
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3935937 |
Plastic and metal article of manufacture
A composite of several materials constructed to form a printing disc, of the type used in high speed printers. The printing disc is manufactured in separate stages in order to achieve...
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3924725 |
Dual array disc printer
The gap usually required in the arrangement of type characters around the periphery of the print disc in a rotating disc printer to provide time for hammer settle-out is obviated by having two...
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3921784 |
Printing disc having bifurcated type arms
A one-piece disc-shaped printing matrix for a serial printer, which matrix is adapted to be rotatably indexed to bring selected type elements thereon to a predetermined print position. The matrix...
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3915279 |
Printer type element deflection limiter
A relatively high-speed rotary serial printer includes a continuously rotating circular disk with a plurality of resilient type carrying finger members flexible in both axial and lateral...
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3907091 |
Type disc-interposer assembly for a printer
A rotating, circular type carrier for a serial printer is equipped with axially movable type elements arranged on its periphery and having type members on one face, and a metal interposer disc with...
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3901371 |
Print actuator arrangement and encoder
A type carrier presents characters serially to a print station which includes a recording medium. A signal controlled actuator at the print station is interposed in the print character path just...
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3884339 |
Asynchronous serial printer
In an asynchronous serial printer wherein a character bearing member is mounted on a carriage which is moved step-by-step along the print line and wherein the character bearing member is...
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3878929 |
Type disc with integral coupling device
A low cost, one piece, plastic coupling having inherent spring-like qualities for quickly connecting and disconnecting a printing disc to a printing machine. The coupling is molded of a plastic...
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3848722 |
PRINT DISC ASSEMBLY FOR A PRINTER
In a printer a print disc assembly comprises a central support wheel having a plurality of axial openings adjacent to periphery. A spoked type disc is secured to one side of the wheel and a spoked...
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3840105 |
GUIDE AND ALIGNMENT MEMBER
A guide and alignment member for use in serial printing devices. The guide member makes possible a sizable increase in the number of type that may be printed in a given time frame. As the type...
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3805941 |
BALLISTIC PRINT HAMMER AND TYPE-BEARING ELEMENT COMBINATION FOR ON-THE-FLY PRINTER
A printer of the kind having a print hammer and movable type-carrying members, wherein, to avoid problems of interference, each type character is associated with an element of mass m and is...
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3773161 |
HIGH SPEED SERIAL PRINTER WITH PLURAL HAMMERS
A high-speed on-the-fly serial printer, wherein a rotating type-carrying member moves along a print line past a plurality of printing positions, wherein a plurality of hammers are mounted to move...
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3760925 |
SERIAL PRINTER WITH ROTATING INTERPOSER AND PLURAL HAMMERS
A serial printer is provided having a movable typecarrying member, a movable carriage bearing a part of printing hammers having heads partially superimposed and an interposer member having elements...
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3698529 |
SERIAL PRINTER WITH FIXED INTERPOSER
A serial printer is provided having a movable type-carrying member, a carriage bearing a pair of printing hammers having heads partially superimposed and a fixed interposer having a plurality of...
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3656425 |
ELECTROMAGNETIC ACTUATING MEANS FOR PRINT HAMMER
An impact printer in which characters moving on an endless chain are struck on-the-fly by print hammers to print the characters on paper. The print hammers are springs supported in flexed...
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3651915 |
PRINTING MECHANISM FOR ELECTRICALLY OPERATED OFFICE MACHINES
A printing arrangement for use with typewriters in which a continuously rotating type disc carries indicia on spring strip members radially arranged about the type disc. A driving shaft rotates the...
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3651916 |
PRINTING DEVICE WITH INTERCHANGEABLE PRINTING MEMBERS
A printing device comprising a continuously rotating disc having a plurality of flexible type carrying segments and a hammer for causing individual segments to move into contact with a paper on a...
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3643774 |
PRINTING MECHANISM WITH RESILIENTLY BACKED PRINTING ELEMENT
The disclosure embodies a printing mechanism wherein type is arranged on resilient arms radially extending in a predetermined angular disposition from a continuously driven rotatable member to...
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3613856 |
ANTIWEAR SHIELD FOR CONTINUOUSLY ROTATABLE-TYPE DISC PRINTER
In a printer having a continuously rotating flexible print wheel or disc and a hammer for impacting the print wheel into engagement with a document of the pressure-sensitive type which is backed by...
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3589494 |
KEYBOARD PRINTER WITH CONTINUOUSLY ROTATING TYPE MEMBER
A keyboard printer for use as a peripheral element of a computer in which the codes of the characters are pulses exhibiting with respect with a start pulse variable discrete phase shifts. This...
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3574326 |
ACTUATING MECHANISM FOR ROTATING PRINTING DISC
Apparatus for selectively actuating one of a plurality of character pads on a continuously rotating disc, comprising a rotary hammer mounted with respect to the disc for momentarily engaging,...
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3542182 |
ROTARY SERIAL PRINTER FOR DATA PROCESSING MACHINES
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3442365 |
FONT WHEEL ALIGNING DEVICE
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3384216 |
Resiliently mounted font wheel
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3371766 |
Printing apparatus
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3356199 |
Printer having type disk rotatable in a plane parallel to the printing line
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3353647 |
Electric typewriter with type mounted on flexible comb
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