EP0311732B1 - Appareil de bureau, notamment imprimante à matrice - Google Patents

Appareil de bureau, notamment imprimante à matrice Download PDF

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Publication number
EP0311732B1
EP0311732B1 EP87730131A EP87730131A EP0311732B1 EP 0311732 B1 EP0311732 B1 EP 0311732B1 EP 87730131 A EP87730131 A EP 87730131A EP 87730131 A EP87730131 A EP 87730131A EP 0311732 B1 EP0311732 B1 EP 0311732B1
Authority
EP
European Patent Office
Prior art keywords
voltage
fuse
selection switch
voltage selection
fuse holder
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.)
Expired - Lifetime
Application number
EP87730131A
Other languages
German (de)
English (en)
Other versions
EP0311732A1 (fr
Inventor
Dieter Ing. Beth (Grad.)
Erich Steppe
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Priority to AT87730131T priority Critical patent/ATE77000T1/de
Priority to DE8787730131T priority patent/DE3779643D1/de
Priority to EP87730131A priority patent/EP0311732B1/fr
Priority to US07/246,077 priority patent/US4930918A/en
Publication of EP0311732A1 publication Critical patent/EP0311732A1/fr
Application granted granted Critical
Publication of EP0311732B1 publication Critical patent/EP0311732B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0011—Voltage selector switches

Definitions

  • the invention relates to an office machine, in particular a matrix printer, with a power supply unit for the power supply of the electrics or electronics and with a fuse on the input side.
  • Office machines of this type are equipped with voltage switches because of the different voltage systems in the individual countries, so that the user of the office machine can set the voltage in question before starting up at the voltage switch. Such devices are cumbersome in their design and in their operation and also relatively expensive.
  • connection combinations which, in the event of a voltage change, provides for the exchange of the fuse in question with another with the changed voltage and, in addition, a switch which must be set to the new voltage level.
  • Such a connection combination is confusing and cumbersome to use.
  • connection combinations are relatively expensive and, because of the wiring, also involve assembly. There is also a risk of operating errors that have already led to device failure.
  • GB-A-2 153 163 discloses a fuse holder for a single fuse, which fuse holder can be inserted into a housing in two positions which are different by 180 ° and are assigned to two different operating voltages.
  • the housing has two electrical outgoing contacts assigned to the two operating voltages, the inserted fuse holder being connected to an outgoing contact corresponding to the selected operating voltage.
  • DE-U-1 971 600 discloses an operating voltage changeover device with a rotatably arranged insulating material plate with two fuse holders associated with the two operating voltages, including connection and changeover contacts. Contacts assigned to the different operating voltages are arranged in the housing of the operating voltage switching device. The operating voltage is switched over by turning the insulating plate with the two fuse holders assigned to the two operating voltages.
  • the invention is therefore based on the object of providing a device for office machines, in particular for matrix printers, in which the voltage changeover is connected without any special conversion measures, without cumbersome handling and with a clear design.
  • a multiple fuse holder for at least two fuse bodies is assigned to a voltage selector switch and in that the multiple fuse holder can be used in different positions to the voltage selector switch in a fuse holder, with each position of the multiple fuse holder having a selected one Voltage on the voltage selector switch is assigned.
  • This principle can be used for at least two or more voltage levels. Only one specific position of the multiple fuse holder must be selected for each level of sanction. This makes the system clear and easy to use.
  • An improvement of the invention provides that the multiple fuse holder consists of a molded plastic part with separate compartments for the fuse elements of different sizes and that a switching lug engaging in the operating position in the voltage selector switch is arranged on a compartment wall.
  • the invention therefore only requires a single part, i.e. of the molded plastic part.
  • the switching lug is provided as a projection on one end of the broad side of the compartment wall. This design ensures a good understanding of the user when switching to the desired voltage value.
  • the matrix printer has a power supply unit 3 on its housing in an area on the rear side 1 on the circuit board 2.
  • the power supply 3 essentially consists of a connection contact 4, a filter group 5, which filters interference from outside or from the device and detects power-related interference, a multiple fuse holder 6 and a voltage selector switch 7 (FIG. 6).
  • the voltage selector switch 7 is opposite a fuse holder 8.
  • the multiple fuse holder 6 is shown in more detail in FIGS. 3 to 5. There are two different fuse bodies 9 and 10 for 220 to 240 V and for 120 V.
  • the multiple fuse holder 6 (Fig. 3 to 5) consists of a one-piece plastic molded part 6a with a handle 11 and two separate compartments 12a and 12b, which are separated by the end wall 13 and a compartment wall 14, so that the fuse body 9 and 10 in appropriate safety distance.
  • a switching lug 15 is formed on the plastic molded part 6a, which, as drawn, leads past the voltage selection switch 7 on the left-hand side 18 (FIG. 2) if an operating voltage of 220 to 240V is desired.
  • the multiple fuse holder 6 is rotated by 180 degrees, so that the fuse body 10 comes to rest for 120 V and the switching lug 15 presses the hemispherical switching actuator 17 to the right.
  • the switching lug 15 is designed as a bent projection 16 for starting the switching actuator 17.
  • a further protection against operating errors is provided by a cover 20.
  • the cover 20 covers the sockets 21. In this position, the device plug is removed, i.e. the office machine is out of order.
  • the multiple fuse holder 6 can only be removed in this position. In other words, the appliance plug must first be pulled out, then the cover 20 must be pushed in the direction 22 in order to gain access to the opening 23, i.e. to release the part of the multiple fuse holder 6. After turning the multiple fuse holder 6 by 180 degrees (in the exemplary embodiment) and reinserting it against the voltage selector switch 7, the cover 20 can be pushed back in the direction 24 so that the device plug can be reinserted into the socket 21.

Landscapes

  • Electrophotography Configuration And Component (AREA)
  • Fuses (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Claims (3)

  1. Machine de bureau, en particulier imprimante à matrice, comportant un bloc d'alimentation (3) pour l'alimentation en courant de l'électronique ou de la partie électrique, et un fusible du côté de l'entrée de l'alimentation,
    caractérisée en ce qu'un porte-fusible multiple (6) pour au moins deux fusibles (9, 10) est associé à un sélecteur de tension (7), et en ce que le porte-fusible (6) peut être installé dans des positions différentes par rapport au sélecteur de tension (7) dans un récepteur de fusible (8), une tension choisie sur le sélecteur de tension (7) étant associée à chaque position du porte-fusible (6).
  2. Machine de bureau selon la revendication 1,
    caractérisée en ce que le porte-fusible (6) est constitué d'une pièce préformée en matière synthétique (6a) comportant des compartiments séparés (12a, 12b) pour les fusibles (9, 10) de tailles différentes, et en ce que, sur une paroi de compartiment (14), est agencé un ergot (15) s'engageant dans le sélecteur de tension (7) en service.
  3. Machine de bureau selon la revendication 1 ou 2,
    caractérisée en ce que l'ergot (15) est prévu en tant que saillie (16) à une extrémité du côté large de la paroi de compartiment (14).
EP87730131A 1987-10-16 1987-10-16 Appareil de bureau, notamment imprimante à matrice Expired - Lifetime EP0311732B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT87730131T ATE77000T1 (de) 1987-10-16 1987-10-16 Bueromaschine, insbesondere matrixdrucker.
DE8787730131T DE3779643D1 (de) 1987-10-16 1987-10-16 Bueromaschine, insbesondere matrixdrucker.
EP87730131A EP0311732B1 (fr) 1987-10-16 1987-10-16 Appareil de bureau, notamment imprimante à matrice
US07/246,077 US4930918A (en) 1987-10-16 1988-09-19 Office machine, in particular matrix printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87730131A EP0311732B1 (fr) 1987-10-16 1987-10-16 Appareil de bureau, notamment imprimante à matrice

Publications (2)

Publication Number Publication Date
EP0311732A1 EP0311732A1 (fr) 1989-04-19
EP0311732B1 true EP0311732B1 (fr) 1992-06-03

Family

ID=8198372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87730131A Expired - Lifetime EP0311732B1 (fr) 1987-10-16 1987-10-16 Appareil de bureau, notamment imprimante à matrice

Country Status (4)

Country Link
US (1) US4930918A (fr)
EP (1) EP0311732B1 (fr)
AT (1) ATE77000T1 (fr)
DE (1) DE3779643D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5750918A (en) * 1995-10-17 1998-05-12 Foster-Miller, Inc. Ballistically deployed restraining net
US20080190956A1 (en) * 2006-11-06 2008-08-14 John Earley Device for dispensing plastic fasteners
US8657172B2 (en) 2006-11-06 2014-02-25 Avery Dennison Corporation Device for dispensing plastic fasteners
DE102007006138B4 (de) * 2007-02-07 2021-10-14 Bizerba SE & Co. KG Geräteeinbaustecker
US9564702B2 (en) 2014-11-28 2017-02-07 MAGNETI MARELLI S.p.A. Electric apparatus with safety connector for preventing electric shock
JP7118879B2 (ja) * 2018-12-20 2022-08-16 東芝テック株式会社 インクジェットヘッド及びインクジェットプリンタ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907849A (en) * 1956-12-20 1959-10-06 Murray Mfg Corp Pullout switch
DE1971600U (de) * 1967-06-30 1967-11-02 Wickmann Werke Ag Umschaltvorrichtung.
GB1322082A (en) * 1970-06-15 1973-07-04 Hewlett Packard Co Ac power module
US3728586A (en) * 1972-01-07 1973-04-17 Hewlett Packard Co Ac power module having an integral mechanical safety device
JPS613106Y2 (fr) * 1980-04-10 1986-01-31
US4307367A (en) * 1980-04-15 1981-12-22 Magic Chef, Inc. Bi-stable relay
US4462708A (en) * 1981-04-09 1984-07-31 Kroy Inc. Automated tape lettering machine
DE3127306A1 (de) * 1981-07-10 1983-01-27 Kautt & Bux Kg, 7000 Stuttgart Geraetestecker
CH658543A5 (de) * 1982-12-14 1986-11-14 Schurter Ag Sicherungshalter mit spannungswaehlvorrichtung.
US4488201A (en) * 1983-02-15 1984-12-11 Corcom, Inc. A.C. Power entry module
GB2153163B (en) * 1984-01-20 1987-05-07 Cliff Electron Components Ltd Fused electrical connector
US4685028A (en) * 1985-11-29 1987-08-04 Allied Corporation A.C. power entry module

Also Published As

Publication number Publication date
US4930918A (en) 1990-06-05
DE3779643D1 (de) 1992-07-09
EP0311732A1 (fr) 1989-04-19
ATE77000T1 (de) 1992-06-15

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