U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"

The Quarterly Review ; March edition, 1825

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 400/214 - Plural ribbons shiftable laterally (e.g., by duplicate vibrators)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein more than one ribbon* is
No. of patents: 47
Last issue date: 09/04/2007


1    
NumberTitleIssue Date
7264412Printer
An ink switching cam (40) is rotated interlockingly with forward/reverse rotation of a head driving motor at all times to swing a cassette support member (20). Accordingly, ink belts can be switched with a simple construction without using a solenoid o...
09/04/2007
7234884Ribbon spool lock assembly
A printing mechanism requires ribbon spools to be locked in place radially, and includes a pivoting ribbon tension arm that must be pivoted out of its normal operating position when ribbon is to be replaced. A ribbon spool lock assembly includes a rotating locking h...
06/26/2007
5466074Recording apparatus with mechanism for shifting ink ribbon cassettes
An ink ribbon cassette which is adapted to be demountably loaded on a recording apparatus having a recording head capable of recording information on a recording medium supported by a platen, the ink ribbon cassette has the following parts: a substantiall...
11/14/1995
5308177Printer with ribbon holder
A printer comprises a type wheel, a print hammer and a guide member each disposed in parallel with a platen. The type wheel and print hammer are both disposed on a carriage body which is laterally reciprocated along a guide shaft. A holder member, on whic...
05/03/1994
5271680Daisy-wheel type printer having holder movable between print position and erase position
A daisy-wheel type printer having a position shifting mechanism for selectively positioning a ribbon cassette and an erase ribbon at a given place in front of a platen, a print hammer driving mechanism, a print ribbon takeup mechanism and an erase ribbon ...
12/21/1993
5201593Printing apparatus with multiple ribbon cassettes
A printing apparatus has a driving motor being rotatable in the forward and backward directions, a first gear for receiving the torque of the motor, a swaying arm secured to an end of the first gear, a printing unit including a plurality of ribbon cassett...
04/13/1993
5195833Typewriter or similar machine
A typewriter or similar machine with a ribbon and, if required, a correction tape on a pivotable support which can be lifted or lowered, the ribbon or the correction tape being movable in steps. The pivoting of the ribbon is necessary in order to give a v...
03/23/1993
5160207Mechanism for correcting the printing position of an electronic typewriter
There is provided a mechanism for correcting the printing position of an electronic typewriter comprising a working pin attached to a ribbon bracket, the working pin cooperating with a ribbon cam so as to move the ribbon bracket to a printing or correctio...
11/03/1992
5087136Printing mechanism with a cam and groove arrangement
A printing mechanism for printing on a recording medium includes a cam mechanism for moving an ink ribbon to an effecting position to act on the recording medium and an initial position for not acting on the recording medium. The cam mechanism includes a ...
02/11/1992
5048988Ink sheet drive system for a recording device
A recording apparatus for recording onto a recording medium and capable of correcting an erroneous recording includes an ink sheet mounting section on which an ink sheet for effecting the recording medium is mountable, a device for effecting the ink sheet...
09/17/1991
4840505Electronic typewriter ribbon lift-up apparatus
A ribbon lift-up apparatus for selectively rotating a ribbon cartridge holder to the printing position or the correcting position uses a disc cam provided with various cam grooves for the printing operation and correcting operation, respectively. The disc...
06/20/1989
4798486Ink ribbon cassette having mounting means, slack preventing means and multiple ribbon shifting means
There is provided an ink ribbon cassette detachably mounted on a carriage of a recording apparatus, housing an ink ribbon supplied from a casing and taken up therein after passing through a recording section and including first positioning means for posit...
01/17/1989
4778290Printer for printing of a full line in several colors by interchangeable ribbon cartridges
A printer having a printing head provided with a plurality of printing elements disposed substantially along a line, a cylinder supporting a print sheet such as a sheet of paper held by an edge clamp and an ink ribbon changer. Four ink ribbons, for exampl...
10/18/1988
4747714Mechanisms for selectively raising and transporting print ribbons and correction tapes
Function controlled raising and transporting mechanism for the selective control of a print ribbon or correction tape by means of a power drive and freewheeling clutches operative to effect print ribbon or correction tape transport incident to carriage mo...
05/31/1988
4746236Printer 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 a ribbon interposed between the sheet and the wheel. The ...
05/24/1988
4743128Print hammer solenoid conditioned single solenoid ribbon and tape feed system
A single solenoid is connected to a ribbon feed mechanism which is selectively operable either to feed a print ribbon or to lift and feed an error correction tape. A print hammer solenoid is operable to condition the ribbon feed mechanism either for feedi...
05/10/1988
4728208Ribbon lifting mechanism for selectively placing a printing ribbon and a correction ribbon at a printing position of a typewriter
A ribbon lifting mechanism usable for a typewriter including a holder turnably supported in a frame, a motor driven ribbon lifting cam and at least a cam follower operatively connected to the holder. Printing ribbon and correction tape are accommodated in...
03/01/1988
4707155Re-inkable ribbon transport system
An apparatus for supplying a newly re-coated continuous ribbon to a moving printhead carrier in a printer. The present invention is particularly adaptable for use in thermal printers having multicolored ribbons. The apparatus comprises a cartridge housing...
11/17/1987
4687357Ink ribbon cassette for use in printer
An ink ribbon cassette is constructed such that it is unnecessary to wind off an ink ribbon at the start of every line printing process. The cassette includes two pairs of reels, each pair including an ink ribbon-winding off reel and an ink ribbon-winding...
08/18/1987
4647232Multicolor thermal printer
The multicolor thermal printer comprises a frame (1), a platen (4) and a carriage (2) that can move along the platen (4). This carriage (2) consists of a lower part (5) carrying the thermal print head (3) and an upper part (6) hinged to the part (5) thank...
03/03/1987
4637744Actuation device for two typewriter functions
A cartridge for a typing ribbon and spools for a correcting ribbon are mounted on a common frame which can tilt about a spindle. In a lowered position of the frame the typing line behind a daisy wheel is visible. The frame is raised by a first stroke to t...
01/20/1987
4630951Ink ribbon and correction tape lifting mechanism for a typewriter
A lifting and lowering mechanism for an ink ribbon and a correction tape of a typewriter includes a stepper motor which drives both a ribbon lift arm and a tape lift arm. First and second gear wheels, partially geared at predetermined portions and pivoted...
12/23/1986
4609297Print and correction ribbon drive system
A drive system to raise and transport both print and correction ribbons on typewriters or like machines is powered by a single bidirectional stepping motor. In one direction of rotation the motor acts via a special action clutch to first drive mechanisms ...
09/02/1986
4606662Single stepping motor ribbon and correction feed and lift system
A single stepping motor 10 driven to effect ribbon feed, ribbon lift, correction tape feed, correction tape lift is disclosed. The stepping motor 10 controls a cam 60/follower 64 pair to effect lift through a connection link 54 to a depending coupling 56 ...
08/19/1986
4601596Typing and erasing device for printing machines
The typing and erasing device is applied to a printer of the daisywheel type and comprises a carrier (84, 86) for a typing ribbon (32) having a plurality of transverse tracks which can be selected for the printing operation and a carrier for an erasing ri...
07/22/1986
4589788Mechanism for raising and transporting of print and correction ribbons
Mechanism to raise and transport print and correction ribbons in typewriters and similar machines as a function of the direction of a rotation of a motor. The required motions are brought about by means of a cam wheel containing different cams and by appr...
05/20/1986
4585362One-touch character correction and replacement system
In an electronic correcting typewriter, a character correction and replacement system is disclosed for facilitating the task of correcting typed character errors. The typewriter includes a printing and a correcting mechanism operated under electronic cont...
04/29/1986
4573813Ribbon lift device for a printer
A ribbon lift device for selectively positioning a print ribbon and a correction ribbon to a print position for printing or correction of a character includes a first cam having a cam groove formed therein for lifting the print ribbon to the print positio...
03/04/1986
4564303Nontiltable, straight line path ribbon cartridge shifting means for multicolor ribbon including MICR ink
A printer for use with a data processor and a ribbon cartridge for use in the same are disclosed. The cartridge has at least two separate ribbon supplies which may differ in the type of ink on the ribbon (MICR vs. ordinary) and/or in color of ink or other...
01/14/1986
4533267Ribbon driving mechanism for typewriter
A ribbon driving mechanism for a typewriter, having a cam member provided on one side thereof with a first cam section for effecting control of a printing ribbon, and a second cam section extending continuously from the first cam section for effecting con...
08/06/1985
4529327Typewriter correction device for correcting in the forward or reverse directions
An erasing ribbon is guided by the same vibrator as the typing ribbon behind the lower part of the typing ribbon. An erasing key acts on the back-spacing mechanism of the typewriter and on an element which suppresses the carriage escapement during a corre...
07/16/1985
4511270Apparatus for lifting print and correction ribbons in typewriters or like machines
Apparatus for lifting print and correction ribbons in typewriters or printers having a bidirectional motor for driving a lift lever coupled to lift, according to the direction of rotation, either the print or correction ribbon, as required. In order to be...
04/16/1985
4498792Printing and/or correcting device for printing machines
The printing and correcting device is applied to a daisywheel printer and comprises a frame supporting a cartridge for a typing ribbon and a correcting ribbon arranged below the typing ribbon. The frame is able to swing as the result of operation of an el...
02/12/1985
4492485Error correcting typewriter for simplified word obliteration
Mechanisms are disclosed for modifying conventional single element and typebar typewriters, having character-for-character correction systems, with automatic backspacing or non-backspacing, and non-forward spacing, after obliteration, to provide an additi...
01/08/1985
4472073Actuation device for two typewriter functions
A cartridge for a typing ribbon and spools for a correcting ribbon are mounted on a common frame which can tilt about a spindle. In a lowered position of the frame the typing line behind a daisy wheel is visible. The frame is raised by a first stroke to t...
09/18/1984
4469458Position control mechanism for a typewriter ribbon cartridge
A typewriter with a ribbon cartridge of the type having a frame which supports first and second ribbons on different planes, and having a mechanism which controls the positioning of the cartridge with respect to a typing member and which includes at least...
09/04/1984
4462707Printing and/or correcting device for printing machines
The printing and correcting device is applied to a daisywheel printer and comprises a frame supporting a cartridge for a typing ribbon and a correcting ribbon arranged below the typing ribbon. The frame is able to swing as the result of operation of an el...
07/31/1984
4436192Ribbon drive clutch
A ribbon drive clutch comprises a stepper motor which has an output shaft on which there is mounted a clutch plate and a pair of cams. A plurality of pawls are each pivotally mounted on the clutch plate and are disposed to engage the first cam for rotatio...
03/13/1984
4407594Error correcting typewriter ribbon system
An error correcting typewriter having separate elevating and feed mechanism for carbon and error correction ribbons includes a common cyclic motive source operable in response to type commands to drive a cam shaft which is axially shiftable by means of an...
10/04/1983
4329072Ribbon feed and lift mechanism for a typewriter
In a daisy wheel or rotary print wheel typewriter, a single motor (stepper motor) is employed to accomplish both ribbon lift and feed for typewriter ribbon and correction ribbon loaded in a cartridge assembly. A single motor drive moves a cartridge assemb...
05/11/1982
1    
 
Sign InRegister
Username  
Password   
forgot password?