EP0049016A1 - Dispositif de transport pour des bandes de papier dans des machines comptables - Google Patents

Dispositif de transport pour des bandes de papier dans des machines comptables Download PDF

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Publication number
EP0049016A1
EP0049016A1 EP81201039A EP81201039A EP0049016A1 EP 0049016 A1 EP0049016 A1 EP 0049016A1 EP 81201039 A EP81201039 A EP 81201039A EP 81201039 A EP81201039 A EP 81201039A EP 0049016 A1 EP0049016 A1 EP 0049016A1
Authority
EP
European Patent Office
Prior art keywords
tractors
guide pieces
paper web
pressure abutment
transport device
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
Application number
EP81201039A
Other languages
German (de)
English (en)
Other versions
EP0049016B1 (fr
Inventor
Wendelin Weber
Manfred Rosenthal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0049016A1 publication Critical patent/EP0049016A1/fr
Application granted granted Critical
Publication of EP0049016B1 publication Critical patent/EP0049016B1/fr
Expired legal-status Critical Current

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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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/26—Pin feeds
    • B41J11/34—Guides coacting with pin feeds

Definitions

  • the invention relates to a transport device for paper webs with two tractors per paper web, which are arranged on two associated bearing shafts and can be driven by at least one bearing shaft and each have an endless transport chain with pins with holding flaps pivotable on their long sides, in which the paper web has one long side of the assigned tractors is fed to the pressure abutment, deflected around it, pressed against the pressure abutment by at least one pressure roller and discharged over the other long side of the assigned tractors and on which a guide piece is arranged on the end of the assigned tractors facing the pressure abutment, against which the Paper web - seen in the transport direction in front of the platen - is present.
  • Such a transport device is known from DE-OS 20 62 806.
  • the double-sided guidance of the paper web on the tractor ensures good guidance by 180 ° around the pressure abutment designed as a roller. Since the paper web can expand or shrink depending on the air humidity, a deflection member designed as a roller is arranged on the tractor, which ensures that the paper always rests on the printing roller under approximately the same tension.
  • the invention has for its object to provide a transport device of the type mentioned so that displacement and bulging of the paper layers of the paper web to each other is largely avoided and that an easy and convenient insertion of the paper web in the tractors is possible.
  • This object is achieved in that the guide pieces reach close to the area in which the paper web touches the pressure abutment and that the surface of the guide pieces over which the paper web is guided is slightly curved and that the front part of the guide pieces directed towards the pressure abutment lies in the tangential plane of the area of contact of the paper web with the pressure abutment.
  • the tractors with the guide pieces can be pivoted about one of their two bearing shafts, the guide pieces then being moved over the pressure abutment when the tractors are pivoted away.
  • the respective guide piece can be fitted with a sliding element, e.g. a roller, roller or a felt covering on the front part.
  • the paper webs are particularly well inserted into the underside of the tractors when they are pivoted about the rear bearing shaft, which is arranged away from the pressure abutment.
  • the front bearing shaft is supported on the rear. It is also possible to connect the guide pieces to the assigned tractors in an articulated rather than flexible manner. In this case, the guide pieces over the pressure abutment supply, the distance between the thrust bearing and the two tractors is to be increased by moving one of these parts to such an extent that the tractors can be pivoted freely with their guide pieces.
  • the transport device shown in the figures consists of the side parts 20 and 21, which are fastened to a booking machine frame in a known manner via tabs.
  • the two side parts are firmly connected to one another by the bearing rod 16 and the stop rod 19.
  • a connecting plate 22 is fastened to these side parts 20 and 21, which is not shown in FIG. 1.
  • the rear bearing shaft 6 is supported in the side parts 20 and 21. This is driven synchronously with the pressure abutment 4 designed as a roller via the gear 17 by an electric motor (not shown). However, it can also be rotated manually by the handwheel 10. The electric motor is not switched on to insert the paper web, so that the paper is fed by hand.
  • the pivoted position of the tractors 2 can be seen in FIG. 3.
  • their retaining flaps 3 are pivoted sideways. Since the underside of the tractors 2 is directed towards the operator, inserting the paper web 7 is easy and convenient.
  • the holding flap 3 is moved back and the tractors are pivoted back into their working position. This working position is shown in Fig. 2.
  • the paper web 7 is then inserted into the pressure device 8 with a pressure roller and placed around the pressure roller 4.
  • the pressure device 8 remains pivoted away from the pressure roller 4 during operation.
  • the retaining flaps 3a are pivoted upward, so that the paper web 7 with its perforation holes can be inserted into the pins 1 of the transport chains in a manner known per se. After the holding flaps 3a have been pivoted back, the clamping process of the paper web 7 is ended.
  • the individual webs are stapled together in the area of the perforation holes. Since the paper web 7 wraps around the roller by 180 ° with such a transport guide, the webs close to the roller 4 are guided on a narrower radius of curvature than the outer webs of the paper web 7.
  • the outer paper layer runs with the required tension around the pressure abutment 4, while the inner layers through the Pressure abutments experience a back pressure and form a large wave in front of the pressure abutment 4, which grows on longer paper webs and destroys the so-called crimp-lock adhesion.
  • rollers or sliders can also be used.
  • the spring 12 is stretched until the connecting line of its fastening points has swept over the bearing axis 11.
  • the guide piece 9 is then guided and held in its pivoted stable position by the spring force 12. This stable position is chosen so that the free end of the guide piece 9 is no longer hindered by the roller 4.
  • the guides are located Pieces 9 still in their pivoted position or, if they had to be pivoted back into their working position, so as not to hinder pivoting of the retaining flaps 3, were pivoted back into the stable position, the free end of the guide pieces 9 bumps shortly before reaching the operating position of the tractors on a stop 14 of the connecting plate 22.
  • This situation is indicated by dashed lines in FIG. 3.
  • the course of the stop 14 is to be selected so that the front edge of the free end of the guide piece 9 occurs at an acute angle, so that when the tractors 2 are pivoted further, the guide piece 9 slides on the surface of the stop 14 until the spring 12 again exceeds its dead center position Has.
  • the guide piece 9 is held resiliently against the roller 4 by the spring 12. Since a large forces do not have to be exerted by the spring 12, it can be dimensioned such that the guide piece 9 abuts the roller 4 only slightly.
  • the guide piece 9 has the shape of a bracket and is adapted to the width of the tractors.
  • other shapes are also conceivable.
  • the guide piece 9 has a slightly curved surface over which the paper web 7 slides.
  • the outer paper layer which runs in under tension, exerts constant pressure over the entire sliding surface, as a result of which the inner paper layers have no possibility of forming a large wave.
  • the surface of the guide piece 9 is formed in a straight line, the paper web exerts different tensions on this surface which are greater at the beginning and end of the surface than in the area in between. This can create many small waves in the paper web distributed over the sliding surface, but these cannot destroy the crimp-lock adhesion of the individual paper layers.

Landscapes

  • Handling Of Sheets (AREA)
  • Advancing Webs (AREA)
EP81201039A 1980-09-29 1981-09-17 Dispositif de transport pour des bandes de papier dans des machines comptables Expired EP0049016B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3036642 1980-09-29
DE19803036642 DE3036642A1 (de) 1980-09-29 1980-09-29 Transportvorrichtung fuer papierbahnen in buchungsmaschinen

Publications (2)

Publication Number Publication Date
EP0049016A1 true EP0049016A1 (fr) 1982-04-07
EP0049016B1 EP0049016B1 (fr) 1984-08-15

Family

ID=6113094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201039A Expired EP0049016B1 (fr) 1980-09-29 1981-09-17 Dispositif de transport pour des bandes de papier dans des machines comptables

Country Status (4)

Country Link
US (1) US4413764A (fr)
EP (1) EP0049016B1 (fr)
JP (1) JPS5785747A (fr)
DE (2) DE3036642A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312947A1 (de) * 1982-04-20 1983-10-20 Albert 8713 Uerikon Rutishauser Transportvorrichtung zum foerdern perforierter aufzeichnungstraeger zu einer schreibwalze und verwendung der transportvorrichtung
US4643603A (en) * 1984-04-03 1987-02-17 Mannesmann Aktiengesellschaft Printer feeder for edge-punched record carriers
EP0692294A1 (fr) 1994-07-12 1996-01-17 Nippondenso Co., Ltd. Elément de filtre et procédé pour sa fabrication

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58218220A (ja) * 1982-05-21 1983-12-19 Nec Home Electronics Ltd チユ−ナ回路
JPS5955772A (ja) * 1982-09-27 1984-03-30 Ricoh Co Ltd プリンタの用紙送りトラクタ
US4491309A (en) * 1983-04-29 1985-01-01 World Color Press, Inc. Conveyor for directing ribbons away from a printing press operating at walk speed
JPS60132855A (ja) * 1983-12-21 1985-07-15 Tokyo Electric Co Ltd 用紙送り装置
DE3400894A1 (de) * 1984-01-10 1985-07-18 Mannesmann AG, 4000 Düsseldorf Formularabtrenneinrichtung fuer randgelochte endlosformulare mit abreissperforationen
DE3412852C2 (de) * 1984-04-03 1986-07-17 Mannesmann AG, 4000 Düsseldorf Transportvorrichtung für Drucker, insbesondere für Matrixdrucker
US4822191A (en) * 1984-11-20 1989-04-18 Brother Kogyo Kabushiki Kaisha Guide block for a printer for guiding continuous paper
DE3571956D1 (en) * 1984-12-14 1989-09-07 Tokyo Electric Co Ltd Paper feed device for a printer
JPS62121956U (fr) * 1986-01-28 1987-08-03
US4804124A (en) * 1986-05-15 1989-02-14 Dataproducts Corp. Semi-automatic loading paper feed tractor
DE3806551C2 (de) * 1987-03-02 1994-08-04 Seikosha Kk Drucker mit einer Traktoranordnung
JP2724457B2 (ja) * 1987-03-02 1998-03-09 セイコープレシジョン株式会社 プリンタの用紙搬送装置
JP2578664B2 (ja) * 1989-06-16 1997-02-05 東海興業 株式会社 送りベルトサポーターを備えた紙送り装置
US5979732A (en) * 1994-11-04 1999-11-09 Roll Systems, Inc. Method and apparatus for pinless feeding of web to a utilization device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062806A1 (de) * 1970-12-21 1972-07-06 Steinhilber H Endlosformular-Vorschubeinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2302704A (en) * 1940-06-20 1942-11-24 Gilman Fanfold Corp Feed control device for writing machines
US2313888A (en) * 1941-03-31 1943-03-16 Wallace Press Stop mechanism for web feed
GB1505167A (en) * 1975-07-02 1978-03-30 Data Recording Instr Co Apparatus for feeding multilayer webs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062806A1 (de) * 1970-12-21 1972-07-06 Steinhilber H Endlosformular-Vorschubeinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Keine entgegenhaltungen *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312947A1 (de) * 1982-04-20 1983-10-20 Albert 8713 Uerikon Rutishauser Transportvorrichtung zum foerdern perforierter aufzeichnungstraeger zu einer schreibwalze und verwendung der transportvorrichtung
US4643603A (en) * 1984-04-03 1987-02-17 Mannesmann Aktiengesellschaft Printer feeder for edge-punched record carriers
EP0692294A1 (fr) 1994-07-12 1996-01-17 Nippondenso Co., Ltd. Elément de filtre et procédé pour sa fabrication

Also Published As

Publication number Publication date
JPS5785747A (en) 1982-05-28
DE3165564D1 (en) 1984-09-20
DE3036642A1 (de) 1982-05-13
JPH0154259B2 (fr) 1989-11-17
EP0049016B1 (fr) 1984-08-15
US4413764A (en) 1983-11-08

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