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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 5871290 | Stamping device with rollers mounted for pivotal movement A stamping device includes two stamp rollers and a support member having the two stamp rollers mounted thereon and arranged on a circumference having a center at a center of pivotal movement. The stamp rollers are spaced apart by a predetermined angle abo... | 02/16/1999 |
| 5810489 | Printing type printer The present invention is intended to facilitate the replacement of printing types and to eliminate mistakes in the replacement thereof. A printing type wheel 2 and a stock wheel 3 are coaxially arranged. The printing type wheel 2 is provided with an attac... | 09/22/1998 |
| 5733053 | Thermal transfer printing apparatus A thermal transfer printing apparatus has an improved ink sheet interchanging device. A fusion type or sublimation type thermal transfer printing using a combination of many kinds of ink sheets can be carried out by a single printing apparatus. A desired ... | 03/31/1998 |
| 5193923 | Automatically interchangeable type wheel type printing apparatus By the driving of drive means for the vertically moving member of a type wheel in one way and resiliently holding means for the type wheel, the type wheel is moved upwardly to a position suitable for printing with the vertically moving member of the type ... | 03/16/1993 |
| 5085530 | Single motor moving ribbon and exchanging character holding member, all on print carrier A printer of the automatically interchangeable character wheel type includes a platen formed lengthwise of the printer to support one surface of a printing sheet, and a carriage guided so as to be reciprocally movable along the platen. The carriage carrie... | 02/04/1992 |
| 5018884 | Recording apparatus in which a plurality of carriages can be connected and separated A recording apparatus has a first carrier carrying a first recording head thereon and movable, a second carrier carrying a second recording head thereon and movable, a first recording mode in which the first carrier is moved to thereby effect recording, a... | 05/28/1991 |
| 4961655 | Printer with automatic type wheel exchanging A printer of the automatic type wheel exchanging type comprises a long platen to support a print sheet and a carriage guided so as to be reciprocated along the platen. This carriage includes: a wheel motor for detachably coupling the daisy type wheel havi... | 10/09/1990 |
| 4872773 | Printing wheel discriminating apparatus A printing wheel discriminating apparatus comprises a driving device for driving a printing wheel in units of predetermined angles, a detecting device for detecting identification data attached to a specific position of the printing wheel, and a storing d... | 10/10/1989 |
| 4846593 | Printing apparatus system with a plurality of interchangeable type units A printing apparatus system includes a plurality of type units each having a plurality of type elements and each being different from the others. Each type unit may be mounted in the apparatus. A detector detects which of the type units is so mounted and ... | 07/11/1989 |
| 4824267 | Control apparatus for hammer type impact printer An alterable storage unit is included in a control apparatus to store code conversion tables for transforming type data or type position data into various control data such as a hammer pressure, an amount of ribbon feed and an amount of proportional space... | 04/25/1989 |
| 4768164 | Word processor with font exchanging font synthesizing mode, and spacing mode of operation A daisy wheel printing unit includes a wheel data memory housing wheel data such as kinds of characters provided in the daisy wheel by which it can be discriminated. The printing unit compares printing commands supplied to the printer and discriminates wh... | 08/30/1988 |
| 4722621 | Keyboard assembly and recording apparatus A keyboard assembly for selecting characters to be recorded includes a substrate carrying an array of characters arranged on one face thereof. A character selection device moves between advanced and retracted positions along each of two axes of the array ... | 02/02/1988 |
| 4686525 | Image data output apparatus An image data output apparatus such as a laser beam printer or the like includes an input interface, a CPU, an output interface, a detachable ROM cartridge as a character pattern generator and the like. After the initializing operation, the input interfac... | 08/11/1987 |
| 4627751 | Control apparatus for hammer type impact printer An alterable storage unit is included in a control apparatus to store code conversion tables for transforming type data or type position data into various control data such as a hammer pressure, an amount of ribbon feed and an amount of proportional space... | 12/09/1986 |
| 4624591 | Impact printer with type font elements having mid-line pitch change capability An impact printing system which is particularly suitable for word processing is provided with the capability of effecting mid-line pitch changes. The impact printer system which is particularly compatible with interactive display terminals in word process... | 11/25/1986 |
| 4569608 | Printing apparatus with automatically interchangeable ribbon cartridges In a printing apparatus which is loaded with a transfer member including a color agent and transfers the color agent to a sheet in accordance with a pattern, thereby forming an image on the sheet, a housing has a transferring function. The housing include... | 02/11/1986 |
| 4480932 | Keyboard having rotationally positionable indicia for indicating type font in use A keyboard input device for printers, composing apparatus, or clear text display devices which employ type fonts that can be changed at will, has a group of multiple indicia bearing keys which can be positioned to bring a different set of indicia to a rea... | 11/06/1984 |
| 4475827 | Text processing device comprising an exchangeable disc having flexible symbol arms A text processing device, for example a typewriter, comprising a first guide for text receiving sheet material, a carrier slidable along a second guide for a disc being rotatable about an axis and having flexible, radial symbol arms and a hammer mechanism... | 10/09/1984 |
| 4469455 | Electronic equipment There is disclosed an electronic equipment comprising character input means capable of inputting a plurality of characters; a first read-only memory for storing information of the characters of said character input means; first print means capable of prin... | 09/04/1984 |
| 4459049 | Abbreviated typing with special form display In an abbreviated typing system, in which a data processor (20) transfers abbreviations typed on the keyboard (10) into longer, full words, display of words in exceptional forms is efficiently achieved. Such special forms include initial capitalized, all ... | 07/10/1984 |
| 4448555 | Impact 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 |
| 4426167 | Serial printer having two carriages carrying respective type wheels and movable independently A serial printer of the type having a carriage carrying a type head and adapted to be column-shifted by a cooperation between a rack and a screw member. The printer comprises a rotary shaft adapted to be driven by a suitable power source, a first and seco... | 01/17/1984 |
| 4417258 | Bi-directional pen changer A bi-directional pen changer for use in an X-Y plotter is disclosed which requires only a single axis of motion for pen snatch, pen re-insertion, and plotting. The device is made up of two pen stables, one on each side of a pen carriage, for holding pens ... | 11/22/1983 |
| 4408909 | Printer with cartridge type wheel A printer having a mechanism for easy loading of a type wheel rotatably supported by a type wheel cartridge. The type wheel cartridge can be inserted into or withdrawn from a cartridge holder by moving the type wheel cartridge in a direction perpendicular... | 10/11/1983 |
| 4406552 | Printing device A printing device such as a typewriter and the like, comprising a printing unit with a positioning manipulator, an impacting unit, and a supporting surface. The printing unit is provided with a cassette in which a plurality of card-like printing elements ... | 09/27/1983 |
| 4359286 | Character set expansion A method of, and system for, increasing the number of characters available to be printed with a single print element. If a printer is printing from storage and the character being presented to the printer does not match the print element in use, a determi... | 11/16/1982 |
| 4353653 | Font selection and compression for printer subsystem A printer subsystem receives command and data information from a host system and retains a large number of font images in an associated storage area within the printer subsystem. A base font image set is ordinarily selected by the user but provision is ma... | 10/12/1982 |
| 4310255 | Printer with cartridge type wheel A printer having a mechanism for easy loading of a type wheel rotatably supported by a type wheel cartridge. The type wheel cartridge can be inserted into or withdrawn from a cartridge holder by moving the type wheel cartridge in a direction perpendicular... | 01/12/1982 |
| 4307968 | Font changing apparatus for daisy wheel printer An under-the-cover automatic font changing apparatus for a daisy wheel printer which utilizes a print element housed in a cartridge during printing. The apparatus is adapted to exchange print elements in the cartridge. Included in the apparatus are an elo... | 12/29/1981 |
| 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 platen of the printer. Typefonts to be exchanged are held by th... | 09/15/1981 |
| 4281938 | Automatic print wheel element changing mechanism for a serial printer A type element interchange mechanism is incorporated into a high speed serial printer with rotary print wheel and linear carriage movement. A number of print wheels are selectively mountable onto a carriage, which carries a print wheel, print hammer, and ... | 08/04/1981 |
| 4220417 | Apparatus for producing preliminary character printout of text and instruction codes of word processing apparatus A method and apparatus associated with word processing equipment for producing a preliminary printout of accessible lines of intermixed text characters and code characters representative of the format of such text. The apparatus includes logic controlled ... | 09/02/1980 |
| 4217055 | Daisy wheel printer which accommodates different print wheel fonts A daisy wheel printer which accommodates different print wheel fonts has switchable ROMs each containing print position and instruction information for each character on an associated print wheel. The possible number of printing positions is substantially... | 08/12/1980 |
| 4208140 | Automated typewriter attachment The device of the present invention is an automated version of an attachment for a ball element type typewriter intended to permit rapid automatic or semi-automatic switching among a plurality of ball elements. While the invention has utility in any insta... | 06/17/1980 |
| 4205922 | Font and column format control system A system for handling multiple printer font requirements during playout of a plurality of sequentially stored text columns in a side-by-side format. A line from one column is printed on a print line, the carrier is caused to escape, and any corresponding ... | 06/03/1980 |
| 4202639 | Daisy loading apparatus Disclosed is an assembly for mounting a daisy type character array within the air gap of a variable reluctance rotary stepping motor used to drive the daisy. The assembly comprises a guide means which accurately positions the daisy within the air gap. The... | 05/13/1980 |
| 4088217 | Typewriter attachment The device of the present invention is intended to be attached to a ball-element type typewriter to permit rapid switching among a plurality of ball elements. While the invention has utility in any instance where the need arises for switching rapidly and ... | 05/09/1978 |
| 4026403 | Automatic printer with plurality of replaceable printing members An automatic printer assembly capable of printing a large number of characters from a plurality of replaceable printing members and valuable in printing characters in a foreign language, such as Japanese Kanji, and the like. The printing member support ca... | 05/31/1977 |
