EP0927642A1 - Ink ribbon cartridge - Google Patents
Ink ribbon cartridge Download PDFInfo
- Publication number
- EP0927642A1 EP0927642A1 EP98124701A EP98124701A EP0927642A1 EP 0927642 A1 EP0927642 A1 EP 0927642A1 EP 98124701 A EP98124701 A EP 98124701A EP 98124701 A EP98124701 A EP 98124701A EP 0927642 A1 EP0927642 A1 EP 0927642A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- ribbon
- cartridge
- printer
- fitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/02—Ribbon arrangements
- B41J33/06—Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen
- B41J33/08—Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen and extending parallel to the length of the platen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J32/00—Ink-ribbon cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J32/00—Ink-ribbon cartridges
- B41J32/02—Ink-ribbon cartridges for endless ribbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
- B41J35/04—Ink-ribbon guides
- B41J35/08—Ink-ribbon guides with tensioning arrangements
Definitions
- This invention relates to a print or typing cartridge, comprising a shell and an ink ribbon housed inside the shell to form a store of ink ribbon, wherein the cartridge is arranged to be removably fitted in a printer for the purpose of printing, or typing, a line of print by means of the ink ribbon.
- the known art comprises numerous examples of cartridges, usually intended to be used on a needle type printer, having the characteristics outlined above.
- these known type cartridges are arranged to be stably disposed with their shell in a prearranged seat in the printer for feeding, when in use, the ink ribbon towards a printing zone of the printer, where the ribbon is subjected to the generally impact type action of a printhead of the same printer in order to print the line of print.
- the known cartridges are normally provided with one or more guides made as one piece with the shell and suitable for guiding the movement of the ribbon to and from the printing zone.
- these guides define a predetermined path for the ribbon intended to enable the latter to reach the printing zone when coming from the shell wherein the ribbon is stored, and then to leave the printing zone and return again to the shell, after the ribbon has been used for printing.
- the object of this invention is accordingly that of producing an ink ribbon cartridge suitable for being fitted in a printer having a relative printing zone at a considerable distance from the seat prearranged in the printer for housing the shell of the cartridge, and comprising in particular a ribbon feeding plane inside the printing zone that is very different from the plane defined by the seat, and also of producing a cartridge that is of compact dimensions and easily manipulated by its user.
- a cartridge according to this invention and containing a ribbon 12 impregnated with ink is generically indicated with the numeral 10.
- the cartridge 10 When in use, the cartridge 10 is arranged to be fitted in a printer, not depicted in the drawings, provided with a printhead, for the purpose of printing, by way of the action exerted on the ribbon 12 by the printhead, a line of print on a printing medium, such as for instance a sheet of paper, in correspondence with a printing zone of the printer.
- the cartridge 10 comprises a hollow, flat shaped shell 11, housing the ribbon 12 inside and accordingly forming a ribbon store 13, and additionally arranged to be placed and fixed in an appropriate, prearranged seat in the printer; and also a feeding device 14 of the ribbon 12 comprising a pair of gearwheels 16 disposed at the entrance of the ribbon 12 in the store 13.
- the two gearwheels 16 are urged one against the other so as to mesh together, with the ribbon 12 in between, by a spring 15 acting on a mobile support 30, upon which one of the gearwheels 16 is rotatingly fitted. Further, the two gearwheels 16 are suitable for being rotated in the direction of the arrow 17 by a motor shaft of the printer in order to push the ribbon into the store 13, so that the ribbon is disposed therein forming a plurality of turns, and for feeding the ribbon 12 according to the direction indicated by the arrow 18 (Fig. 2).
- the ink ribbon 12 is, for example, of the endless type, namely it is formed by a closed loop of ribbon, and is additionally liable to perform a semi-rotation about itself, as is well-known in the sector art, in the area of a twisting zone 19, so as to present its two faces alternatively to the printing medium, and accordingly uniformly distribute ribbon wear and ink consumption between the two faces of the ribbon 12 itself.
- the cartridge 10 also comprises a guide body 20, slidingly coupled with a portion of the ribbon 12 extending outside the shell 11, and arranged to be fitted on a movable carriage of the printer, so that when the carriage moves back and forward parallel to the line of print, the guide body 20 also moves integrally with the carriage back and forward in the directions indicated by the arrows 28 in order to guide the ribbon 12 immediately facing the line of print, as it is printed.
- the ribbon 12 is appropriately guided, for example by posts, so as to follow a predetermined feeding path both downstream of the store 13, and also upstream of the latter, and so as to reach again the store 13, after it has been used for printing.
- the cartridge 10 is also provided with means for constantly maintaining the ribbon 12 taut for correct use thereof during printing, comprising for example a leaf spring 25 acting directly on the ribbon 12 to exert a sliding friction on the latter as it is fed due to the rotation of the gearwheels 16.
- the cartridge 10 is provided with two arms or guiding elements, 21 and 22, having an elongated shape and fulcrum-mounted at one end on the sides of the shell 11 to guide the ink ribbon 12, while it is being fed outside the shell 11.
- the arm 21 is arranged to guide the ribbon 12 coming from the store 13 towards the printing zone, and has a pin 23 pivotingly fitted in a seat made in a first side of the shell.
- the arm 22 is arranged to guide the ribbon 12 coming away from the printing zone towards the store 13, and has a pin 24 rotating in a seat made in a second side, opposite the first side, of the shell 11.
- Either arm 21 and 22 is provided, at the end opposite that fulcrum-mounted on the shell 11, with a slot 31 through which the ribbon 12 extends for sliding during printing.
- the latter is provided with tabs 26 that hold the pins 23 and 24 in their respective seats made in the sides of the shell 11.
- the two arms 21 and 22 are suitable for rotating with respect to the shell 11 according to the directions indicated by the arrow 32 to assume, when the cartridge is not fitted in the printer, an idle position, represented by a dot and dash line, wherein the two arms 21 and 22 are withdrawn upon the shell 11, i.e. are arranged along the sides of the latter; and to assume, when the cartridge 11 is fitted in the printer, a work position, represented by an unbroken line, wherein the two arms 21 and 22 are rotated with respect to the shell 11, so as to distance themselves from the latter with their end opposite the end which is fulcrum-mounted.
- the cartridge 10 once fitted in the printer, allows guiding of the ribbon 12 from the shell 11 to the printing zone and then from the latter back to the shell 11, despite the fact that the ribbon 12 is fed in the area of the printing zone along a plane that is at an angle to that along which the same ribbon 12 is fed inside the shell 11.
- the cartridge 10 is compact and without any protruding parts when it is not fitted in the printer, so that the part may be packaged for shipping in a simply shaped, small-size box.
- the cartridge 10 When in use, the cartridge 10 is fitted in the printer by setting and blocking the shell 11 in the seat expressly made in the printer, and by rotating the two arms 21 and 22 with respect to the shell 11 so as to put them in the correct position for guiding the ribbon in the area of the printing zone. More particularly, the two arms 21 and 22 are blocked in their correct positions, with respect both to the shell 11 and to the printer frame, by way of blocking means not depicted in the drawings and already provided in the printer.
- the ribbon 12, when the cartridge 10 is fitted in the printer and in correspondence with the zone where the arms 21 and 22 are fulcrum-mounted on the shell 11, is subject to a change in its feeding plane. More specifically, the ribbon 12 inside the shell 11 is fed along a first feeding plane parallel to the shell 11 itself, whereas the ribbon 12, outside the shell 11, namely along the arms 21 and 22 and in the area of the printing zone, is fed along a second feeding plane, inclined with respect to the first one and defined by the rotated position of the arms 21 and 22 with respect to the shell 11.
- the shell 11 is provided at its sides, adjacent to the zones where the two arms 21 and 22 are fulcrum-mounted, with two inclined edges 27 which link the trajectory of the ribbon 12 along the first feeding plane parallel to the shell 11 with the trajectory of the ribbon 12 along the second plane parallel to the rotated position of the arms 21 and 22.
- the cartridge 10 may be removed from the printer by extracting the shell 11 from its seat and rotating the arms 21 and 22 so as to withdraw them with respect to the shell 11.
- the cartridge 10 when not being used for printing, is of compact dimensions and may be stored away quite easily. It remains understood that changes and/or improvements may be made to the print cartridge described up to now, without departing from the scope of this invention.
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Description
- This invention relates to a print or typing cartridge, comprising a shell and an ink ribbon housed inside the shell to form a store of ink ribbon, wherein the cartridge is arranged to be removably fitted in a printer for the purpose of printing, or typing, a line of print by means of the ink ribbon.
- The known art comprises numerous examples of cartridges, usually intended to be used on a needle type printer, having the characteristics outlined above. In general, these known type cartridges are arranged to be stably disposed with their shell in a prearranged seat in the printer for feeding, when in use, the ink ribbon towards a printing zone of the printer, where the ribbon is subjected to the generally impact type action of a printhead of the same printer in order to print the line of print.
- The known cartridges are normally provided with one or more guides made as one piece with the shell and suitable for guiding the movement of the ribbon to and from the printing zone. In particular, these guides define a predetermined path for the ribbon intended to enable the latter to reach the printing zone when coming from the shell wherein the ribbon is stored, and then to leave the printing zone and return again to the shell, after the ribbon has been used for printing.
- These known cartridges are, however, inadequate for use in special printers having a structure that does not enable the shells of the cartridges to be fitted and secured in a seat sufficiently close to the printing zone, and in particular in printers where the ribbon is arranged to be fed inside the printing zone along a plane that is angularly and spatially very different from the feeding plane of the ribbon inside the shell, when the latter is fitted in the above-mentioned prearranged seat in the printer.
- The object of this invention is accordingly that of producing an ink ribbon cartridge suitable for being fitted in a printer having a relative printing zone at a considerable distance from the seat prearranged in the printer for housing the shell of the cartridge, and comprising in particular a ribbon feeding plane inside the printing zone that is very different from the plane defined by the seat, and also of producing a cartridge that is of compact dimensions and easily manipulated by its user.
- This object is achieved by the print cartridge having the characteristics defined in the main claim.
- A clearer understanding of these and other characteristics of the invention will be gained from the following description, provided purely by way of an illustrative, non-restrictive example, with reference to the accompanying drawings, where:
- Fig. 1 is a partial plan view, with a number of parts removed and shown in section, of a print cartridge according to this invention, when removed from a printer;
- Fig. 2 is a front view, in partial section, of the cartridge of Fig. 1, when fitted in a printer; and
- Fig. 3 is a side view of the cartridge of Fig. 2.
-
- With reference to Fig. 1 a cartridge according to this invention and containing a
ribbon 12 impregnated with ink is generically indicated with thenumeral 10. When in use, thecartridge 10 is arranged to be fitted in a printer, not depicted in the drawings, provided with a printhead, for the purpose of printing, by way of the action exerted on theribbon 12 by the printhead, a line of print on a printing medium, such as for instance a sheet of paper, in correspondence with a printing zone of the printer. - More specifically, the
cartridge 10 comprises a hollow, flatshaped shell 11, housing theribbon 12 inside and accordingly forming aribbon store 13, and additionally arranged to be placed and fixed in an appropriate, prearranged seat in the printer; and also a feeding device 14 of theribbon 12 comprising a pair ofgearwheels 16 disposed at the entrance of theribbon 12 in thestore 13. - The two
gearwheels 16 are urged one against the other so as to mesh together, with theribbon 12 in between, by aspring 15 acting on amobile support 30, upon which one of thegearwheels 16 is rotatingly fitted. Further, the twogearwheels 16 are suitable for being rotated in the direction of thearrow 17 by a motor shaft of the printer in order to push the ribbon into thestore 13, so that the ribbon is disposed therein forming a plurality of turns, and for feeding theribbon 12 according to the direction indicated by the arrow 18 (Fig. 2). - The
ink ribbon 12 is, for example, of the endless type, namely it is formed by a closed loop of ribbon, and is additionally liable to perform a semi-rotation about itself, as is well-known in the sector art, in the area of atwisting zone 19, so as to present its two faces alternatively to the printing medium, and accordingly uniformly distribute ribbon wear and ink consumption between the two faces of theribbon 12 itself. - The
cartridge 10 also comprises aguide body 20, slidingly coupled with a portion of theribbon 12 extending outside theshell 11, and arranged to be fitted on a movable carriage of the printer, so that when the carriage moves back and forward parallel to the line of print, theguide body 20 also moves integrally with the carriage back and forward in the directions indicated by thearrows 28 in order to guide theribbon 12 immediately facing the line of print, as it is printed. - Inside the
shell 11 theribbon 12 is appropriately guided, for example by posts, so as to follow a predetermined feeding path both downstream of thestore 13, and also upstream of the latter, and so as to reach again thestore 13, after it has been used for printing. - The
cartridge 10 is also provided with means for constantly maintaining theribbon 12 taut for correct use thereof during printing, comprising for example aleaf spring 25 acting directly on theribbon 12 to exert a sliding friction on the latter as it is fed due to the rotation of thegearwheels 16. - According to the main characteristic of the invention, the
cartridge 10 is provided with two arms or guiding elements, 21 and 22, having an elongated shape and fulcrum-mounted at one end on the sides of theshell 11 to guide theink ribbon 12, while it is being fed outside theshell 11. - More particularly, the
arm 21 is arranged to guide theribbon 12 coming from thestore 13 towards the printing zone, and has apin 23 pivotingly fitted in a seat made in a first side of the shell. On the other hand, thearm 22 is arranged to guide theribbon 12 coming away from the printing zone towards thestore 13, and has apin 24 rotating in a seat made in a second side, opposite the first side, of theshell 11. - Either
arm shell 11, with aslot 31 through which theribbon 12 extends for sliding during printing. - Further, in order to avoid, during manipulation of the
cartridge 10 , the twoarms shell 11, the latter is provided withtabs 26 that hold thepins shell 11. - As shown in Figs. 2 and 3, the two
arms shell 11 according to the directions indicated by thearrow 32 to assume, when the cartridge is not fitted in the printer, an idle position, represented by a dot and dash line, wherein the twoarms shell 11, i.e. are arranged along the sides of the latter; and to assume, when thecartridge 11 is fitted in the printer, a work position, represented by an unbroken line, wherein the twoarms shell 11, so as to distance themselves from the latter with their end opposite the end which is fulcrum-mounted. - Accordingly, as will be obvious, the
cartridge 10, once fitted in the printer, allows guiding of theribbon 12 from theshell 11 to the printing zone and then from the latter back to theshell 11, despite the fact that theribbon 12 is fed in the area of the printing zone along a plane that is at an angle to that along which thesame ribbon 12 is fed inside theshell 11. - It will be equally obvious that the
cartridge 10 is compact and without any protruding parts when it is not fitted in the printer, so that the part may be packaged for shipping in a simply shaped, small-size box. - When in use, the
cartridge 10 is fitted in the printer by setting and blocking theshell 11 in the seat expressly made in the printer, and by rotating the twoarms shell 11 so as to put them in the correct position for guiding the ribbon in the area of the printing zone. More particularly, the twoarms shell 11 and to the printer frame, by way of blocking means not depicted in the drawings and already provided in the printer. - The
ribbon 12, when thecartridge 10 is fitted in the printer and in correspondence with the zone where thearms shell 11, is subject to a change in its feeding plane. More specifically, theribbon 12 inside theshell 11 is fed along a first feeding plane parallel to theshell 11 itself, whereas theribbon 12, outside theshell 11, namely along thearms arms shell 11. - In order to ensure correct feeding of the
ribbon 12 between the two feeding planes indicated above, and in particular so that theribbon 12 does not become slack, theshell 11 is provided at its sides, adjacent to the zones where the twoarms inclined edges 27 which link the trajectory of theribbon 12 along the first feeding plane parallel to theshell 11 with the trajectory of theribbon 12 along the second plane parallel to the rotated position of thearms - Subsequently, following use, the
cartridge 10 may be removed from the printer by extracting theshell 11 from its seat and rotating thearms shell 11. In this way thecartridge 10, when not being used for printing, is of compact dimensions and may be stored away quite easily.
It remains understood that changes and/or improvements may be made to the print cartridge described up to now, without departing from the scope of this invention.
Claims (5)
- Print cartridge (10) comprising a shell (11), and an ink ribbon (12) contained in said shell (11), said cartridge (10) being provided for being removably fitted in a printer for printing by means of said ink ribbon (12) a line of print, characterized by the fact that said print cartridge (10) further comprises at least one guiding element (21, 22) movably connected to said shell (11) for guiding said ribbon (12) on the outside of said shell (11), said guiding element (21, 22) being suitable for assuming, when said cartridge (10) is fitted in said printer, a work position in which said guiding element (21, 22) is at a distance from said shell (11) for guiding said ribbon (12) adjacent to said line of print, and for assuming, when said cartridge is not fitted in said printer, an idle position in which said guiding element (21, 22) is withdrawn upon said shell so as to reduce the overall dimensions of said cartridge.
- Print cartridge according to claim 1, characterized by the fact that said guiding element (21, 22) is fulcrum-mounted at one end on said shell (11).
- Cartridge according to claim 2, characterized by the fact that it comprises two guiding elements (21, 22) fulcrum-mounted at one end on two opposite sides of said shell (11).
- Cartridge according to claim 3, wherein said shell (11), when it is fitted in said printer, defines a first feeding plane of said ribbon (12), and said two guiding elements (21, 22) define, when they are in said working position, a second feeding plane of said ribbon inclined with respect to said first feeding plane, characterized by the fact that said shell (11) is provided at its sides with two inclined edges (27) suitable for enabling correct feeding of said ribbon between said first and said second feeding plane.
- Cartridge according to claim 2, characterized by the fact that said guiding element (21, 22) is provided, at the end opposite that at which it is fulcrum-mounted on the shell (11), with a slot (31) arranged for guiding said ribbon (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO971144 IT1297349B1 (en) | 1997-12-29 | 1997-12-29 | CARTRIDGE FOR INK WRITING TAPE |
ITTO971144 | 1997-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0927642A1 true EP0927642A1 (en) | 1999-07-07 |
EP0927642B1 EP0927642B1 (en) | 2003-03-12 |
Family
ID=11416236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980124701 Expired - Lifetime EP0927642B1 (en) | 1997-12-29 | 1998-12-23 | Ink ribbon cartridge |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0927642B1 (en) |
DE (1) | DE69812058T2 (en) |
IT (1) | IT1297349B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19948246B4 (en) * | 1998-10-15 | 2012-04-19 | Psi Printer Systems International Gmbh | Ribbon cassette with a ribbon guide for writing instruments |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437778A (en) * | 1980-12-11 | 1984-03-20 | Sony Corporation | Tape cassette having means for adjusting a tape segment length for a thermal printer |
US4486107A (en) * | 1982-09-24 | 1984-12-04 | Willcox Frederick P | Ribbon guiding and directing structure and cartridge |
US4623274A (en) * | 1984-04-23 | 1986-11-18 | Oki Electric Industry Co., Ltd. | Ink ribbon cartridge |
EP0258022A1 (en) * | 1986-08-25 | 1988-03-02 | Xerox Corporation | Ribbon cartridge |
-
1997
- 1997-12-29 IT ITTO971144 patent/IT1297349B1/en active IP Right Grant
-
1998
- 1998-12-23 DE DE69812058T patent/DE69812058T2/en not_active Expired - Fee Related
- 1998-12-23 EP EP19980124701 patent/EP0927642B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4437778A (en) * | 1980-12-11 | 1984-03-20 | Sony Corporation | Tape cassette having means for adjusting a tape segment length for a thermal printer |
US4486107A (en) * | 1982-09-24 | 1984-12-04 | Willcox Frederick P | Ribbon guiding and directing structure and cartridge |
US4623274A (en) * | 1984-04-23 | 1986-11-18 | Oki Electric Industry Co., Ltd. | Ink ribbon cartridge |
EP0258022A1 (en) * | 1986-08-25 | 1988-03-02 | Xerox Corporation | Ribbon cartridge |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19948246B4 (en) * | 1998-10-15 | 2012-04-19 | Psi Printer Systems International Gmbh | Ribbon cassette with a ribbon guide for writing instruments |
Also Published As
Publication number | Publication date |
---|---|
DE69812058D1 (en) | 2003-04-17 |
ITTO971144A1 (en) | 1999-06-29 |
EP0927642B1 (en) | 2003-03-12 |
IT1297349B1 (en) | 1999-09-01 |
DE69812058T2 (en) | 2004-03-04 |
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