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Class 101/93.19 - Single disk


Subclass of Class 101 - Printing
Definition: Apparatus in which the member comprises a relatively thin
No. of patents: 48
Last issue date: 07/18/2006


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NumberTitleIssue Date
7077311Document transport control system
A document transport control system for controlling the throughput rate of the document transport, the document transport has a preset throughput rate. The system includes a smart card for storing data including a throughput rate which is greater than the preset thr...
07/18/2006
5413422Print wheels and methods of using same
In a print wheel encoding scheme, signs such as reflector strips are arranged on an encoder ring along the print wheel petals. One strip is provided at each petal. The strips are grouped into groups of three or more petals. Each group starts with a reflec...
05/09/1995
4874265Impact mechanism for impact printer
An impact mechanism for use in an impact printer, to deliver a printing force to drive a character element against a platen by means of a print tip movable toward and away from the platen. A rockable bail bar having an axis of rotation substantially paral...
10/17/1989
4678355Print tip contact sensor for quiet impact printer
An impacting element for an impact printer having a platen, selectable character elements and means for driving the impacting element to impart a printing force to a selected character element, to drive it against said platen for a contact period, the imp...
07/07/1987
4674898Printwheel
A printwheel for an impact printer includes a sheet metal core having a central disk portion and a plurality of radially extending arms. Sintered ceramic or metal character slugs are affixed to retaining regions at the ends of the respective character arm...
06/23/1987
4653946Adaptive electronic control system for formed character printer
A nominal carriage velocity profile is initiated during each carriage positioning interval which enables the carriage to be decelerated and stopped at the proper position for printing. However, the carriage velocity profile can be modified during the posi...
03/31/1987
4644477Printing apparatus
A printing apparatus having a first memory which stores as one unit 8-bit data comprising first data of 6 bits and second data of 2 bits, the first data comprising position data which correspond respectively to printing types formed on the circumference o...
02/17/1987
4586836Characters carrying disc for printing machine
The disc, made of plastic material, is provided with a circular collar coaxial with its central hole and which is provided, diametrically opposed, with two arms bent at 90°, each arm terminating with a small tongue the end of which extends beyond the sai...
05/06/1986
4579056Printing mechanism
A printing mechanism for use in an impact printing system primarily intended for the transfer of a dry film impression onto an image carrying tape. The mechanism includes a hammer (130), and an anvil (126). The hammer is actuated by lever arm (164) which ...
04/01/1986
4565128Rotary wheel printer
A rotary wheel printer such as a daisy wheel printer includes a rotatable platen for receiving a paper sheet partially therearound, a carriage movable along the platen, and a type wheel mounted on the carriage in confronting relation to the platen and hav...
01/21/1986
4556335Print wheel mounting means
A print wheel mounting means. The print wheel has pivot posts formed integrally thereon. The pivot posts are spring-locked into channels in a connector attached to the print wheel drive shaft. The connector thus positions the print wheel to be pivoted ont...
12/03/1985
4553868Device for mounting a daisywheel on a typewriter
The device for mounting a daisy-wheel character carrying disc (70) in a printing machine comprises a frame (22) which is pivoted on a guide (13) of the carriage (12) that is parallel to the platen roller (11) and on which are mounted a selector motor (15)...
11/19/1985
4544289Print disk positioning system
A print disk positioning system is disclosed herein which provides rotational and lateral movement of a print disk (20) having raised or depressed characters thereon with the objective of locating the appropriate character within the jaws of a printing st...
10/01/1985
4493571Print guide mechanism
A printing mechanism includes a right-angle drive for imparting rotation to a rotary printing element having printing type thereon, rotation of the print element selecting a specific character to be imprinted on a printing medium. The right-angle drive pe...
01/15/1985
4491069Printing hammer driver mechanism
A printing hammer drive mechanism for a printing apparatus, comprising a manual control member movably attached to a main frame, an electromagnet mounted on the main frame for movement relative to the armature thereof, linking means disposed between the c...
01/01/1985
4448555Impact printing apparatus with interchangeable rotary type wheels
An impact printing apparatus automatically discriminates the kind of a type element mounted on a reciprocating carriage of the printer and interchangeable with another type element. A print control program is selected in conformity to the specific kind of...
05/15/1984
4442769Staging apparatus used in a sheet feeding environment
A sheet feeding apparatus having a track for guiding a sheet therein, with the track having an upstream end and a downstream end, and with a staging area located therebetween. Transport rollers are used for moving a sheet from the upstream end towards the...
04/17/1984
4440512Daisy wheel printer having low mass carriage
A daisy wheel printer with a low mass carriage is driven by a pair of bidirectional stepping motors mounted on the printer frame. The carriage and print wheel are each driven by their respective motor through a belt and pulley drive extending side to side...
04/03/1984
4416557Serial printer
A serial printer for use in portable electronic calculators and the like. The printer includes a single printing head having a plurality of characters divided into two groups circumferentially disposed therearound in a predetermined pattern. A selecting m...
11/22/1983
4392756Serial printing apparatus
A printing apparatus comprising a printwheel with a hub and spokes extending therefrom, each of the spokes having at least two different types of character slugs thereon; a rotatable printwheel; a motor for shifting the printwheel up or down and for rotat...
07/12/1983
4391538Serial printer
A serial printer having a carriage, a disc-shaped type wheel rotatably carried by said carriage and adapted to be moved transversely of a paper, dome-shaped resilient supporting members covering a plurality of apertures formed in the periphery of said typ...
07/05/1983
4390293Electronic typewriter
The electronic typewriter comprises a character-carrier disc with flexible blades, which is mounted on a carriage which is movable transversely with respect to the typing roller by means of a stepping motor. Mounted on the carriage is a motor for selectin...
06/28/1983
4335970Type wheel for serial printing apparatus
Each of resilient tongues of a type wheel for use in a serial printing apparatus carries one or more type members. Each of the type members is provided with a curved or concave type face whose center of curvature lies on an axis of a paper supporting plat...
06/22/1982
4334790Type disc typewriter with electronic positioning control
Keyboard generated signals are digitally encoded and converted to varying voltages for application to a coil for generating magnetic forces. The magnetic forces act on a spring mass system including a type disc to rotate the type disc to a selected angula...
06/15/1982
4324499Control unit for a serial printer
In a serial printer of the type having a carriage continuously moved along a printing line and supporting a type-member intermittently rotated for selecting the next character being printed, a control unit is provided which performs an algorithm for execu...
04/13/1982
4310256Printers
In an extra-small sized printer of the so called serial type, which prints one character every time a type wheel is shifted by a distance corresponding to one character in the direction of the line of typing, the simplification of a driving source as well...
01/12/1982
4297040Method and apparatus for positioning a type disc in a balanced force system
A method and apparatus for positioning a type disc in a balanced force system wherein applied selective forces to effect angular positioning movement from an old to a new position are brought into equilibrium with opposing spring forces. Electronic positi...
10/27/1981
4264220Printwheel homing apparatus
In a printwheel type of printer using a selection stepper motor for driving the printwheel, means are provided for performing printwheel homing operation upon occurrence of predetermined events. Such an event, is detected and reported to microprocessor me...
04/28/1981
4258622Method of positioning a moving part and a printer operating in accordance with said method
The invention comes within the field of equipment control. A method of shifting a moving unit from a first position to a second position by means of a stepping motor driven by a finite sequence of pulses, said moving unit being liable to oscillate about i...
03/31/1981
4251318Method of making fully etched type-carrier elements
Etched one-piece type-carrier elements....
02/17/1981
4214837Disc 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 their width. Associated on the disc with each type charac...
07/29/1980
4212549Disc printer
This disc printer uses a relatively massive, rigid print disc having a flat face on which two sets of raised character fonts are arranged in separate spirals. Advantageously, the inner font set contains machine readable characters which are printable with...
07/15/1980
4209262Print wheel loading apparatus
For use in an impact printer having a movable carriage, a motor supported by the carriage and including a rotatable shaft, and a drive coupling member affixed to an end of the shaft, apparatus is provided for loading a print wheel contained in a cartridge...
06/24/1980
4178108Apparatus for space synchronizing carrier and rotatable print disk positions in on-the-fly printing
A rotatable print disk is mounted on a carrier which traverses along the print line. The disk is moved from each character position to the next by the shortest distance at a constant velocity; thus, the time for the disk to move from a given character pos...
12/11/1979
4165189Characters carrying disc for a printing machine
A character-bearing disc operable with a printing machine having a central hub with radially extending flexible arm members, each arm member having a character disposed on an outer portion thereof. The arm members are reinforced at the inner ends thereof ...
08/21/1979
4156105Circuit arrangement for synchronizing a type carrier in a printer
A circuit arrangement is disclosed which compares a preferred position of a type carrier driven by a stepping motor with binary values of signals actuating the stepping motor. If a signal assigned to the preferred position and a signal produced by the bin...
05/22/1979
4122770Series printer
A series printer for printing selected indicia or type on a strip of paper wherein the indicia are carried by a rotating drum which rotates in synchronism with a pulse generator identifying specific indicia as they pass through a printing position, a ratc...
10/31/1978
4103617Hammer energy impact control using read only memory
In impact printing mechanism for encoding magnetic or optical characters on documents, a hammer energy control is utilized for maintaining constant impact pressure for the various surface areas of such characters. The constant impact pressure is derived b...
08/01/1978
4071131Electronic control system
An electronic control system for a marking machine having a moving marking member carrying a plurality of marking symbols in which the marking member is stopped and displaced to mark a workpiece with a selected one of the symbols at a marking location, th...
01/31/1978
4058056Microprocessor controlled card reader/printer
In this full duplex card reader/printer, a transport mechanism carries a card first past a read head at a constant rate and then incrementally past a printer. Under microprocessor control a message is printed on the card which is responsive to data read f...
11/15/1977
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