Matches 1 - 47 out of 47

CobaltIP-faceted-search-demo
Match Document Document Title
5586828 Printer with printing hammer  
The printer such that when characters are printed, a carriage is moved in a printing direction. Corresponding to the direction of the movement of the carriage, a printing hammer driving mechanism...
5423618 Piezoelectric print head control device using adjacent dot data  
The present invention provides a print head control device for a wire dot printer, capable of preventing the occurrence of ghost dots to enable the wire dot printer to print characters and the like...
5399032 Print head having replaceable print elements for wire dot-matrix printer  
A print head for a wire dot-matrix printer includes an element base, and a plurality of print elements engaged with and supported by the element base. Each of the print elements includes a print...
5213424 Piezoelectric actuator device  
A piezoelectric actuator device for use in a printing machine and comprising a laminated piezoelectric element sandwiched between first and second blocks, and first and second leaf springs attached...
5193922 Serial printer  
A serial printer for printing recording paper has a printing head movable at a right angle with respect to the feeding direction of the recording paper. Vibration applying means, such as a...
5184901 Displacement magnifying mechanism for a print element  
A displacement magnifying mechanism includes a base member and an electro actuator having a free ene and a base end connected to the base member, and having an actuator axis defined as passing...
5167458 Wire driving mechanism  
A wire driving mechanism for a wire-dot print head employs a piezoelectric element or a magnetostrictive element as a driver (5). To enable printing with a satisfactorily high print quality, the...
5165809 Piezoelectric actuator and print head using the actuator, having means for increasing durability of laminar piezoelectric driver  
An actuator for operating a desired driven member, including a laminar transverse-effect type piezoelectric driver having laminated piezoelectric elements which are displaced upon application of a...
5133612 Dot impact type printing head with adhesively attached base unit  
In a print head of a dot matrix printer, support frames carrying the piezoelectric elements of the print wires are seated in and bonded to a base unit to provide a rigid, unitary printing...
5092689 Piezoelectric driver of wire-dot impact printer  
A printing head includes a plurality of printing members constituting a dot matrix, and a plurality of actuators for driving the printing members, respectively. Each of the actuators comprises a...
5046872 Printer actuated by piezoelectrically generated shock wave  
An impact printer is described which includes a shock wave generator means, a print hammer, and a solid wave guide interposed between the shock wave generator and print hammer. The solid wave guide...
5033883 Variably-controlled electromagnetically driven printer  
Dot-matrix printer for printing on a paper resting against a platen includes a bendable piezoelectric lamina which is supported along a first edge planar ferromagnetic member which is operatively...
5031526 Lubrication system for a print hammer mechanism and assembly  
A passive lubrication system for use in a high speed print hammer mechanism to provide continuous lubrication to all print hammers over the lifetime of the mechanism. A plurality of hammer elements...
5030023 Printing device with improved bold face printing capability  
Disclosed is a printing device such as an electronic typewriter and a wire-dot type printer. With the disclosed printing device, control means is operated in response to depression of a character...
4911568 Printer  
A printer comprises a type wheel, a hammer to hit a wheel, an ink ribbon, a carriage, a detector for detecting first and second positions of the hammer, and a controller responsive to the detector...
4865475 Printer adjusting the print hammer position for precise printing  
A printer, which can adjust the attached position of the print hammer without a device specifically provided for the position-adjustment, is provided with an adjustment mode in addition to a normal...
4828410 Serial print wheel impact printer  
Disclosed is an improved serial impact printer which both prints and serrates a document. The printer includes a print wheel which is rotated to position a selected character in front of an anvil....
4790674 Impact printer having wear-resistant platings on hammer springs and pole piece tips  
In a dot matrix line printer in which a plurality of hammer springs mounted along the length of an elongated reciprocating hammerbank are selectively released or fired to impact dot printing impact...
4759647 Dual pitch impact printer  
A printer for printing both standard pitch and condensed pitch characters which includes print hammer faces which have a single wide section for standard pitch characters and a double wide section...
4746236 Printer with a motor controlled by chopping means  
A printer in which a daisy wheel on a carriage is caused, by a hammer actuating mechanism, to impact against a printing sheet fed by a sheet feed mechanism, so that the sheet is printed with use of...
4721400 Hammer unit for printers  
This invention provides a hammer unit for use in character printers in which the front end of the plunger of the solenoid operating under control of the print command is positioned directly...
4711170 Printing wire driving device in wire dot printer  
The present invention relates to a printing wire driving device in a wire dot printer which can perform accurate control with small power and has a large printing wire driving power. In the present...
4685816 Impact printer with means for adjusting the associated print hammer  
An impact-type, printing apparatus which is readily adjusted to enable the impact face of the associated print hammer to be precisely located with reference to the plane of a character (or a...
4683820 Printing 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...
4538931 Drive mechanism including a one-way spring clutch for a typewriter  
A drive mechanism for a member to be driven in one direction is disclosed. The mechanism is incorporated in an electronic typewriter and includes a clutch including a clutch spring which provides a...
4530280 Printing hammer assembly with a hammer dampener comprising two opposed permanent magnets  
A printing hammer assembly for use in impact printers includes a printing hammer which has an impact surface and an armature and which is supported to be movable in a reciprocating manner along its...
4525084 Device for adjusting position of printing head of printer  
A device for adjusting the position of the printing head of a printer has a leaf spring received in a groove formed in the carrier of the printer. The spring is bent into a doglegged form such that...
4427312 Printwheel detent  
A printwheel 20 for a daisy wheel printer 10, the printwheel 20 including a hub portion 23 and a plurality of radially extending, deflectable petals 21 projecting therefrom. The petals include a...
4423972 Serial printer  
A small and light-weight serial printer adapted to portable electric-powered typewriters and output devices of personal computers. The serial printer of the present invention requires a reduced...
4324497 Print hammer assembly with amplified multi-location impacts  
A print hammer assembly is disclosed comprising a support structure having a plunger at a first location thereon, and means for movably mounting the support structure with its plunger adjacent an...
4044455 Method of making a printing hammer unit  
A printing hammer unit is produced by forming a group of hammers having hammer portions secured to resilient members of electrically conductive material connected together by connecting portions...
3964592 Printing mechanism for printing characters  
A printing mechanism for printing characters comprises a rotatable hammer confronting through a recording paper the surface of a character pattern bearing body having a plurality of character...
3911814 Hammer bank move control system  
A hammer bank system for use in a high speed impact printer includes a movable hammer bank in which the hammer spacing is twice the character spacing. A hammer bank controller is used to move the...
3807542 BOUNCE SUPPRESSING MECHANISM  
A spring having one end slidably engaging a pin extending from a retractable, motion inducing member, for example a print hammer in a printing apparatus, is rotatably mounted adjacent to a movable...
3793947 SEQUENTIAL HAMMER IMPRINTER  
An impact printer with character carrying slides each selectively movable to position their characters one at a time in a printing station. A rotary cam sequentially deflects and releases a...
3715978 PRINTER HAMMER MECHANISM  
A printer has a type cartridge with a plurality of character-bearing type levers, alternate levers having faces on the back at different levels. Print hammers for each print position have striking...
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...
RE12190 Title is not available  
3482772 ELECTROSTRICTIVE ACTUATOR  
3422945 PRINTING MACHINE CHARACTER SELECTION STRUCTURE EMPLOYING DIFFERENTIAL MEANS  
3397766 Printer having plural hammers and a single hammer actuating means  
3385210 Printer and differential print head drive means for printing bowling scores and the like  
3371766 Printing apparatus  
3326346 Type drum printer with hammer mounted inside of and coaxial with drum  
3312164 Printing devices  
3007400 Printing apparatus and method for assembly  
2986256 Typing machine  
Matches 1 - 47 out of 47