EP0311732B1 - Office apparatus, especially a matrix printer - Google Patents

Office apparatus, especially a matrix printer 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)
French (fr)
Other versions
EP0311732A1 (en
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/en
Priority to DE8787730131T priority patent/DE3779643D1/en
Priority to EP87730131A priority patent/EP0311732B1/en
Priority to US07/246,077 priority patent/US4930918A/en
Publication of EP0311732A1 publication Critical patent/EP0311732A1/en
Application granted granted Critical
Publication of EP0311732B1 publication Critical patent/EP0311732B1/en
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.

Abstract

In an office machine, in particular in a matrix printer which is provided with a power grid component (3) for the power supply of the electrical or, respectively, the electronic circuits and which includes a safety fuse on the power grid input side, there is disclosed for purposes of more clarity of the construction, for an easier operability and for protection against false connection, that a multiple safety fuse socket (6) for at least two melting safety fuse bodies (9, 10) is coordinated to a voltage selection switch (7). The multiple safety fuse socket (6) can be placed in different relative geometric positions with respect to the voltage selection switch (7) into a fuse socket (8). A selected voltage is coordinated at the voltage selection switch (7) in each position of the multiple safety fuse socket (6).

Description

Die Erfindung betrifft eine Büromaschine, insbesondere einen Matrixdrucker, mit einem Netzteil für die Stromversorgung der Elektrik bzw. der Elektronik und mit einer netzeingangsseitigen Sicherung.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.

Derartige Büromaschinen werden wegen der unterschiedlichen Spannungssysteme in den einzelnen Ländern mit Spannungsschaltern ausgerüstet, so daß der Benutzer der Büromaschine vor Inbetriebnahme am Spannungsschalter die in Betracht kommende Spannung einstellen kann. Derartige Einrichtungen sind aber umständlich in ihrer Gestaltung und in ihrer Bedienung und außerdem relativ kostenaufwendig.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.

Es ist aus der Praxis eine Anschlußkombination bekannt, die für den Fall einer Spannungsänderung den Austausch der betreffenden Sicherung gegen eine andere mit der geänderten Spannung vorsieht und zusätzlich einen Schalter, der auf die neue Spannungsstufe eingestellt werden muß. Eine solche Anschlußkombination ist unübersichtlich und umständlich zu bedienen. Außerdem sind solche Anschlußkombinationen relativ teuer und wegen der Verdrahtung auch montageaufwendig. Es besteht auch die Gefahr von Bedienungsfehlern, die schon zum Geräteausfall geführt haben.It is known from practice a combination of connections 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. In addition, such 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 offenbart einen Sicherungshalter für eine einzige Sicherung, welcher Sicherungshalter in zwei um 180° unterschiedlichen, zwei unterschiedlichen Betriebs-Spannungen zugeordneten Stellungen in ein Gehäuse einführbar ist. Das Gehäuse weist zwei den beiden Betriebs-Spannungen zugeordnete elektrische Abgangskontakte auf, wobei der eingeführte Sicherungshalter jeweils mit einem, der gewählten Betriebs-Spannung entsprechenden Abgangskontakt verbunden ist.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 offenbart eine Betriebsspannungs-Umschaltvorrichtung mit einer drehbar angeordneten Isolierstoffplatte mit zwei den beiden Betriebs-Spannungen zugeordneten Sicherungshaltern samt Anschluss und Umschaltkontakten. Im Gehäuse der Betriebsspannungs-Umschaltvorrichtung sind den unterschiedlichen Betriebs-Spannungen zugeordnete Kontakte angeordnet. Durch Drehen der Isolierstoffplatte mit den zwei den beiden Betriebs-Spannungen zugeordneten Sicherungshaltern erfolgt die Betriebsspannungs-Umschaltung.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.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Einrichtung für Büromaschinen, insbesondere für Matrixdrucker zu schaffen, bei der die Spannungsumstellung ohne besondere Umbaumaßnahmen, ohne umständliche Handhabung und mit einer übersichtlichen Gestaltung verbunden ist.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.

Die gestellte Aufgabe wird bei der eingangs bezeichneten Büromaschine erfindungsgemäß dadurch gelöst, daß einem Spannungswahlschalter ein Mehrfachsicherungshalter für zumindest zwei Schmelzsicherungskörper zugeordnet ist und daß der Mehrfachsicherungshalter in unterschiedlichen Lagen zu dem Spannungswahlschalter in eine Sicherungsaufnahme einsetzbar ist, wobei jeder Lage des Mehrfachsicherungshalters eine ausgewählte Spannung am Spannungswahlschalter zugeordnet ist. Dieses Prinzip kann für zumindest zwei oder mehr Spannungsstufen angewendet werden. Für jede Sapnnungsstufe ist nur eine bestimmte Lage des Mehrfachsicherungshalters zu wählen. Damit ist das System übersichtlich und einfach zu bedienen.The stated object is achieved according to the invention in the office machine described in the introduction in that 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.

Eine Verbesserung der Erfindung sieht vor, daß der Mehrfachsicherungshalter aus einem Kunststofformteil mit getrennten Abteilen für die Schmelzsicherungskörper unterschiedlicher Größe besteht und daß an einer Abteilwand eine in Betriebslage in den Spannungswahlschalter eingreifende Schaltnase angeordnet ist. Die Erfindung bedarf daher neben der entsprechenden (handelsüblichen) Gestaltung des Spannungswahlschalters nur eines einzigen Teils, d.h. des Kunststofformteils.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. In addition to the corresponding (commercial) design of the voltage selection switch, the invention therefore only requires a single part, i.e. of the molded plastic part.

In Verbesserung des Kunststofformteils ist außerdem vorgesehen, daß die Schaltnase an dem einen Ende der Breitseite der Abteilwand als Vorsprung vorgesehen ist. Diese Gestaltung sichert ein gutes Verständnis des Benutzers bei der Umstellung auf dem gewünschten Spannungswert.In an improvement of the molded plastic part it is also provided that 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.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen:

Fig. 1
eine Teilansicht der Rückseite eines Matrixdruckers mit dem Netzanschluß,
Fig. 2
Die Teilansicht der Rückseite nach Fig. 1 bei abgenommenem Gehäuse,
Fig. 3
eine Vorderansicht des Mehrfachsicherungshalters,
Fig. 4
eine Draufsicht von oben auf den Mehrfachsicherungshalter nach Fig. 3,
Fig. 5
eine Seitenansicht des Mehrfachsicherungshalters und
Fig. 6
eine Schaltungsanordnung des Matrixdruckernetzteils mit der Spannungsumschaltung.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it:
Fig. 1
a partial view of the back of a matrix printer with the mains connection,
Fig. 2
The partial view of the back of FIG. 1 with the housing removed,
Fig. 3
a front view of the multiple fuse holder,
Fig. 4
3 shows a top view of the multiple fuse holder according to FIG. 3,
Fig. 5
a side view of the multiple fuse holder and
Fig. 6
a circuit arrangement of the matrix printer power supply with the voltage switching.

Der Matrixdrucker weist an seinem Gehäuse in einem Bereich an der Rückseite 1 auf der Platine 2 ein Netzteil 3 auf. Das Netzteil 3 besteht im wesentlichen aus einem Anschlußkontakt 4, einer Filtergruppe 5, die Störungen von außen oder aus dem Gerät filtert und insoweit leistungsgebundene Störungen erfaßt, einem Mehrfachsicherungshalter 6 und einem Spannungswahlschalter 7 (Fig. 6). Dem Spannungswahlschalter 7 liegt eine Sicherungsaufnahme 8 gegenüber. Der Mehrfachsicherungshalter 6 ist in den Fig. 3 bis 5 genauer dargestellt. Es sind zwei unterschiedliche Schmelzsicherungskörper 9 und 10 für 220 bis 240 V bzw. für 120 V vorhanden.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.

Der Mehrfachsicherungshalter 6 (Fig. 3 bis 5) besteht aus einem einstückigen Kunststofformteil 6a mit einem Griff 11 und aus zwei getrennten Abteilen 12a und 12b, die durch die Stirnwand 13 und eine Abteilwand 14 getrennt werden, so daß sich die Schmelzsicherungskörper 9 und 10 in entsprechendem Sicherheitsabstand befinden. Auf der linken Seite ist am Kunststofformteil 6a eine Schaltnase 15 angeformt, die wie gezeichnet, am Spannungswahlschalter 7 auf der linken Seite18 vorbeiführt (Fig. 2), falls eine Betriebsspannung von 220 bis 240V erwünscht ist. Für den anderen Fall der Betriebsspannung mit 120 V wird der Mehrfachsicherungshalter 6 um 180 Grad gedreht, so daß der Schmelzsicherungskörper 10 für 120 V nach unten zu liegen kommt und die Schaltnase 15 nach rechts den halbkugelförmigen Schaltbetätiger 17 niederdrückt. Die Schaltnase 15 ist für das Anfahren des Schaltbetätigers 17 als abgekröpfter Vorsprung 16 ausgeführt.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. On the left-hand side, 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. For the other case of the operating voltage at 120 V, 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.

Da die Schmelzsicherungskörper 9 und 10 für unterschiedliche Spannungen unterschiedliche Abmessungen aufweisen, ist es wegen der Halterungen unmöglich, diese falsch einzusetzen gegenüber der Beschriftung 19 (Fig. 1). Ein weiterer Schutz ist durch den Spannungswahlschalter 7 gegeben, der bei Brechen der Schaltnase 15 sich automatisch auf den höheren Spannungswert einstellt. Derartige Spannungswahlschalter 7 sind im Handel frei erhältlich.Since the fuse bodies 9 and 10 have different dimensions for different voltages, it is impossible to use them incorrectly compared to the inscription 19 (FIG. 1) because of the brackets. Further protection is provided by the voltage selector switch 7, which automatically adjusts to the higher voltage value when the switching tab 15 breaks. Such voltage selection switches 7 are freely available commercially.

Ein weiterer Schutz gegen Bedienungsfehler ist durch eine Abdeckung 20 gegeben. Die Abdeckung 20 bedeckt die Steckbuchsen 21. In dieser Stellung befindet sich der Gerätestecker abgezogen, d.h. die Büromaschine ist zwangsläufig außer Betrieb. Nur in dieser Position kann der Mehrfachsicherungshalter 6 entfernt werden. Anders ausgedrückt, muß zuerst der Gerätestecker herausgezogen werden, dann muß die Abdeckung 20 in die Richtung 22 geschoben werden, um den Zugang zu der Öffnung 23, d.h. zu dem Teil des Mehrfachsicherungshalters 6 freizugeben. Nach Umdrehen des Mehrfachsicherungshalters 6 um 180 Grad (im Ausführungsbeispiel) und Wiedereinführung gegen den Spannungswahlschalter 7 kann die Abdeckung 20 wieder über die Richtung 24 zurückgeschoben werden, so daß der Gerätestecker wieder in die Steckbuchse 21 eingeführt werden kann.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.

Claims (3)

  1. An office machine, in particular a matrix printer, having a power pack (3) for the supply of power to the electrical components and electronic components, and having a fuse on the mains input side,
    characterised in that
    a multiple-fuse holder (6) for at least two fuse members (9, 10) is associated with a voltage selection switch (7) and that the multiple-fuse holder (6) can be inserted into a fuse receptacle (8) in various positions relative to the voltage selection switch (7), a selected voltage at the voltage selection switch (7) being associated with each position of the multiple-fuse holder (6).
  2. An office machine according to Claim 1,
    characterised in that
    the multiple-fuse holder (6) consists of a shaped plastic member (6a) having separate compartments (12a, 12b) for the fuse members (9, 10) of different sizes and that a switch nose (15) which engages in the voltage selection switch (7) in the operating position is located on one compartment wall (14).
  3. An office machine according to Claims 1 or 2,
    characterised in that
    the switch nose (15) is provided as a projection (16) at one end of the broad side of the compartment wall (14).
EP87730131A 1987-10-16 1987-10-16 Office apparatus, especially a matrix printer Expired - Lifetime EP0311732B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT87730131T ATE77000T1 (en) 1987-10-16 1987-10-16 OFFICE MACHINE, ESPECIALLY MATRIX PRINTER.
DE8787730131T DE3779643D1 (en) 1987-10-16 1987-10-16 OFFICE MACHINE, IN PARTICULAR MATRIX PRINTER.
EP87730131A EP0311732B1 (en) 1987-10-16 1987-10-16 Office apparatus, especially a matrix printer
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 (en) 1987-10-16 1987-10-16 Office apparatus, especially a matrix printer

Publications (2)

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

Family

ID=8198372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87730131A Expired - Lifetime EP0311732B1 (en) 1987-10-16 1987-10-16 Office apparatus, especially a matrix printer

Country Status (4)

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

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 (en) * 2007-02-07 2021-10-14 Bizerba SE & Co. KG Device installation plug
US9564702B2 (en) 2014-11-28 2017-02-07 MAGNETI MARELLI S.p.A. Electric apparatus with safety connector for preventing electric shock
JP7118879B2 (en) * 2018-12-20 2022-08-16 東芝テック株式会社 Inkjet head and inkjet printer

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Publication number Priority date Publication date Assignee Title
US2907849A (en) * 1956-12-20 1959-10-06 Murray Mfg Corp Pullout switch
DE1971600U (en) * 1967-06-30 1967-11-02 Wickmann Werke Ag SWITCHING DEVICE.
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 (en) * 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 (en) * 1981-07-10 1983-01-27 Kautt & Bux Kg, 7000 Stuttgart DEVICE PLUG
CH658543A5 (en) * 1982-12-14 1986-11-14 Schurter Ag FUSE HOLDER WITH VOLTAGE SELECTOR.
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
EP0311732A1 (en) 1989-04-19
US4930918A (en) 1990-06-05
ATE77000T1 (en) 1992-06-15
DE3779643D1 (en) 1992-07-09

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