EP0411216B1 - Mehrzwecksicherheitssteckdose - Google Patents

Mehrzwecksicherheitssteckdose Download PDF

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Publication number
EP0411216B1
EP0411216B1 EP89307789A EP89307789A EP0411216B1 EP 0411216 B1 EP0411216 B1 EP 0411216B1 EP 89307789 A EP89307789 A EP 89307789A EP 89307789 A EP89307789 A EP 89307789A EP 0411216 B1 EP0411216 B1 EP 0411216B1
Authority
EP
European Patent Office
Prior art keywords
receptacle
plug
pins
ground connection
round
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
EP89307789A
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English (en)
French (fr)
Other versions
EP0411216A1 (de
Inventor
Chiu-Shan Lee
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT89307789T priority Critical patent/ATE132663T1/de
Priority to EP89307789A priority patent/EP0411216B1/de
Priority to DE68925359T priority patent/DE68925359T2/de
Priority to ES89307789T priority patent/ES2081844T3/es
Publication of EP0411216A1 publication Critical patent/EP0411216A1/de
Application granted granted Critical
Publication of EP0411216B1 publication Critical patent/EP0411216B1/de
Priority to GR960400925T priority patent/GR3019534T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/003—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured only to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts

Definitions

  • This invention relates to a multipurpose safety receptacle.
  • Regular electric plugs, sockets or receptacles may vary in structure according to the power source available.
  • the currently commercialized electric plugs, sockets, and receptacles may include single-phase double-line, single-phase three-line, three-phase three-line, and three-phase four-line, etc. Because the specifications assigned in a nation are different in the other, different structures may required for use in different country.
  • a single-phase double-line electric plug may comprise round pins or flat pins, and therefore, the receptacle used shall be constructed in accordance with the specification of the electric plug.
  • the electric plugs which have single-phase three-line or three-phase three-line may comprise two flat pins and one round pin, or three flat pins, or three round pins, ... etc., and in consequence, different electric receptacles shall be used to match with the specifications of the electric plugs used. If the plug used does not match with the receptacle, the receptacle or the plug shall be changed, or an additional connector shall be used to connect the plug to the receptacle.
  • the present invention is related to a kind of multipurpose safety receptacle which is specifically designed to solve the above-said problems and is featuring in that:
  • the present invention is to provide a multipurpose safety receptacle and more particularly to a receptacle applicable for alternative connection thereto of a variety of plugs, which is including a bottom block having two receiving troughs at both lateral sides for setting therein of two conductive frames, and a ground connection trough for setting therein of a ground connection frame, a division plate mounted on the top of the bottom block to enclose the conductive frames and the ground connection frame, and an upper cover covering over the bottom block and fixedly connected thereto by means of heat sealing process or adhesive or lock screws.
  • the assembly is further mounted on a frame panel and firmly retained thereto by means of the retainer means and stop members of the frame panel.
  • the receptacle is including a bottom block (1) having two opposite troughs (11 and (13) for receiving therein conductive frames (2) and (2)' respectively, and a ground connection trough (12) for receiving therein a ground connection frame (3).
  • the conductive frames (2) and (2)' are symmetrically disposed, comprising spring leaves (21) and (21)', receiving plates (22) and (22)', U-shaped conducting plates (23) and (23)', and U-shaped frames (24) and (24)'.
  • the U-shaped frames (24) and (24)' are having corrugated tracks (25) and (25)' for setting therein of control plates (26) and (26)' respectively, wherein the control plates (26) and (26)' are respectively controlled by screw means (27) and (27)' to move forward or backward.
  • the control plates (26) and (26)' are moved forward, they are positioned on the top of the corrugated tracks (25) and (25)' respectively, having the hook ends (261) and (261)' firmly retaining the single-core conductors which are respectively inserted therein.
  • the division plate (4) of the receptacle is including bilaterally two opposite guide rails (42) and (42)' and two opposite slots (41) and (41)', a notch (43), and a round hole (44).
  • the conductive frames (2) and (2)' are respectively set in the troughs (11) and (13) of the bottom block (1), with the spring leaves (21) and (21)' of the conductive frames (2) and (2)' respectively set in the slots (41) and (41)' of the division plate (4), and the ground connection frame (3) is set between notch (43) and the round hole (44) and received in the ground connection trough (12) of the bottom block (1).
  • the upper cover (5) of the receptacle is including a pair of L-shaped pin holes (51) and (51) bilaterally disposed at the top, an oval hole (52) in the middle, a round hole (53) on the oval hole (52), two square holes (54) and (54)' set on the top and the lower end to respectively communicate with the oval hole (52), another round hole (55) set at a lower position below the oval hole (52), and a pair of openings symmetrically set at both lateral sides of the round hole (55), which pair of openings are comprised of elongated holes (56) and (56)', round holes (57) and (57)', and square holes (58) and (58)' respectively.
  • the multipurpose safety receptacle constructed as above described may be further mounted on a frame panel (7).
  • the frame panel (7) is having four pieces of stop members (71) and a pair of retainer means (72).
  • the stop members (71) are arranged to stop against the receptacle at the back side and the retainer means (72) are having the projecting portions (73) respectively set in the retaining holes (15) of the bottom block (1) to let the receptacle be firmly positioned. Because the receptacle has a square structure, it may be set at any position. When the retainer means (72) are flexibly bending outward, the receptacle may be easily pushed outward to detach from the frame panel (7).
  • a plug (6) which is having L-pins (61) and (61)' may be utilized.
  • the L-pins (61) and (61)' are respectively inserted into the L-shaped pin holes (51) and (51)'.
  • the electric power is still not connected unless the L-pins (61) and (61)' have been continuously forced to move downward along the guide rails (42) and (42) to become in contact with the spring leaves (21) and (21)'. Therefore, the present invention can protect against electric shock during connection. Because of the special electric shock preventive design and because of the arrangement of the hook ends of the control plates, the present invention becomes very practical for use to serve as wall lamp extension receptacle, electric bell extension receptacle, .. etc.
  • the second type of plug (6) which is having a round pin (62) in the middle may also be used for connection with the receptacle constructed according to the above-described specification.
  • the round pin (62) may be inserted into the oval hole (52) to connect with the ground connection frame (3), and the bilateral two round pins (67) and (67)' may be respectively inserted into the round holes (57) and (57)'. If a plug has three round pins arranged in a row, the middle round pin may be inserted into the round hole (55).
  • the middle round pin (63) may be inserted through the round hole (53) into the curved portion (31) of the ground connection frame (3).
  • a plug (6) includes two flat pins (66) and (66)', the two flat pins (66) and (66) may be inserted into the elongated holes (56) and (56)' respectively.
  • a plug (6) has square pins (64), (68) and (68)', the square pins (64), (68) and (68)' may be inserted into the square holes (54), (58) and (58)' respectively.
  • the receptacle constructed according to the present invention is specifically designed to match with the variety of plugs which are commonly used in all countries in the world.
  • the present invention there is a gap respectively defined between the receiving plates (22) and (22)' and the U-shaped conducting plates (23) and (23)' of the conductive frame (2), such that when plug pins are inserted, the plug pins will be respectively in contact with the receiving plates (22) and (22)' at an slightly inclined angle.
  • the U-shaped conducting plates (23) and (23)' each is having a smaller front end and a relatively larger rear end to make the structure more flexible so as to efficiently receive either round plug pins or square plug pins.
  • a multi-outlet receptacle (100) constructed according to the present invention, which is mainly including a bottom block (110), two conductive frames (120) and (120)', a ground connection frame (130), a division plate (140), and an upper cover (150).
  • the bottom block (110) is having two receiving troughs (111) and (113) and a ground connection trough (112).
  • the conductive frames (120) and (120)' are symmetrically disposed. Similar to the structure of the conductive frames (2) and (2)' as illustrated in Fig.
  • the conductive frame (120) and (120)' are including spring leaves (121) and (121)', receiving plates (122) and (122)', U-shaped conducting plates (123) and (123)', and pressure plates (124) and (124)'.
  • the U-shaped conducting plates (123) and (123)' are respectively set in the U-shaped troughs (114) and (114)'
  • the receiving plates (122) and (122)' are respectively set in the slopes (115) and (115)'
  • the pressure plates (124) and (124)' are respectively mounted on the supporting stands (114) and (114)'.
  • the spring leaves (121) and (121)' are protruding beyond the division plate (140) through the holes (142) and (142)' respectively.
  • the L-shaped holes (141) and (141)' of the division plate (140) are served for electric shock preventive purpose only, while the holes (143) and (143)' of the division plate (140) are arranged for penetration therethrough of the receiving plates (122) and (122)' and the U-shaped conducting plates (123) and (123)', and the elongated hole (144) and round hole (145) are for insertion therein of ground connection plug pins respectively.
  • the ground connection frame (130) is including bevel notches (131) for connection thereto of big ground connection pins respectively, and bevel side edge (132) for connection thereto of round plug pins through single side connection.
  • the upper cover (150) is comprising L-shaped pin holes (151) and (151)', oval pin holes (152), round pin holes (153), square pin holes (154), (154)', (158) and (158)', elongated pin holes (156) and (156)', and round holes (157) and (157)'.
  • the upper cover (150) may be used for connection thereto of a variety of plugs in same procedures as previously described.
  • the conductive frames (120) and (120)' and the ground connection frame (130) each is having a conductor fixture (125) for fixation thereto of respective conductors.
  • the conductor fixture (125) is integrally incorporated with the conductive frame (120), comprising a wire hole (126), a screw means (127) and a notch (128). When a conductor is inserted, it is clearly viewed through the notch (128) and fixedly connected thereto by means of the screw mean (127).
  • the structure of the conductor fixture of the conductive frame (120)' as well as the ground connection frame (130) is just same as the conductive frame (120). As shown in Figs.
  • the bottom block (110) is also comprising a conductor fixture (160), which is having a rectangular body comprising hole (161), screw means (162), pressure block (163), and notch (164).
  • a conductor (165) is inserted through the hole (161), the pressure block (163) is driven by the screw means (162) to press down the conductor (165) toward the notch (164) and the conductor (165) will be immediately bent into a curved shape and firmly positioned therein.
  • the multi-outlet receptacle (100) may be incorporated with a plug assembly.
  • metal contact plates (170), (170)' and (180) are mounted on the bottom block (110) to respectively connect with the conductive frames (120) and (120)' and the ground connection frame (130) at one end.
  • the metal contact plates (170), (170)' and (180) which are comprising holes (171), (171)' and (181), and several indentations (172), (172)' and (182), are respectively arranged to match with the holes (174), (174)' and (184), and several noses (175), (175)' and (185) of L-shaped plug pins (173), (173)' and (183), which L-shaped plug pins (173), (173)' and (183) are respectively connected to the metal contact plates (170), (170)' and (180) by means of lock pins (176), (176)' and (186).
  • a plug socket (190) and a plug cover (191) are further mounted on the bottom block (110) to firmly hold up the L-shaped plug pins (173), (173)' and (183) by means of screw means (192) and (192)'.
  • the plug socket (190) is having a recess (193) made on the front side wall to match with the nose (313) of the receptacle (310) of the extension line assembly (300) for quick connection.
  • the receptacle (310) of the extension line assembly (300), similar to the embodiment of the receptacle illustrated in Fig. 1, is having L-shaped pin holes (351) and (351)' and oval pin hole (352), while the plug (320) of the extension line assembly (300) is having two L-pins (321) and (321)', a ground connection pin (322) and a recess (323).
  • the plug (320) may have different plug pins for different purpose.
  • the multi-outlet receptacle is having unique structure for quick positioning.
  • a hole (410) is made on the bottom surface of the receptacle for hanging of the receptacle.
  • a positioning plate (420) which is comprising a hole (421) at one end and another hole (422) at the opposite end is revolvably connected, by means of a screw means (430) through the hole (421), to the receptacle at the bottom opposite to the hole (410).
  • the receptacle (400) When to fix the receptacle onto a wall (500), the receptacle (400) is hung on the nail (510) of the wall (500) by means of its hole (410), and the positioning plate (420) is turning downward and fixedly connected to the wall (500) by means of screw means (520) through the hole (422).
  • the positioning plate (420) when the receptacle (400) is not in use, the positioning plate (420) is received in the recess (440), or the positioning plate (420) may be turned outward for connection when it is in use.
  • the single outlet type receptacle as illustrated in Fig. 1 may be connected to the retainer means (72) of the frame panel (7) as illustrated in Fig. 4.
  • the receptacle disclosed in Fig. 1 may alternatively comprise at the rear end the ten different plug pins as illustrated in Fig. 5 while the front end receptacle structure remains unchanged, so as to serve as a multipurpose plug connector.

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  • Connector Housings Or Holding Contact Members (AREA)
  • Earth Drilling (AREA)
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Claims (10)

  1. Elektrische Vielzweck-Sicherheitssteckdose, die aufweist:
    eine Abdeckung (5), die wenigstens ein Paar von allgemein L-förmigen Stiftlöchern (51), die auf gegenüberliegenden Seiten einer Achse angeordnet sind, die wenigstens ein ovales Loch (52) entlang der Achse, das zwischen den L-förmigen Stiftlöchern angeordnet ist, mit einem mittigen runden Teil (53) oder mit einem rechteckigen Teil an jedem Ende (54), die wenigstens ein rundes Loch (55) auf der Achse und die wenigstens ein Paar von Öffnungen aufweist, die symmetrisch an gegenüberliegenden Seiten der Achse ausgerichtet mit dem entsprechenden runden Loch beabstandet angeordnet sind, wobei jede Öffnung einen länglichen Teil (56) mit einem runden Teil (57) oder mit einem rechteckigen Teil (58) oder einem zur Achse geneigten Schlitz aufweist;
    eine Teilungsplatte (4), die hinter der Abdeckung angeordnet ist und zwei seitlich beabstandete Führungsschienen (42) und zwei gegenüberliegende Schlitze und eine Aussparung (43) und ein rundes Loch (44) in der Mitte aufweist;
    einen unteren Block (1), der zwei Aufnahmemulden (11,13), die auf gegenüberliegenden Seiten einer Erdverbindungsmulde beabstandet sind, und eine Vielzahl von Haltelöchern (15) um den Umfang herum aufweist;
    zwei leitende Rahmen (2,2'), die in entsprechende Aufnahmemulden des Blocks eingesetzt sind und jeweils ein Federblatt (21), das mit den entsprechenden Schlitzen der Teilungsplatte zusammenwirkt, eie Aufnahmeplatte und eine U-förmige leitende Platte (23) aufweisen, und
    ein Erdverbindungsrahmen (3) für Eingriff mit Erdverbindungsstiften unterschiedlicher Größen und für Zusammenwirkung mit der Aussparung (43) und dem runden Loch (44) der Teilungsplatte (4);
    wobei, wenn ein Stecker, der L-Stifte aufweist, mit der Steckdose verbunden wird, die L-Stifte anfänglich die Führungsschienen (42) der Teilungsplatte (4) berühren und sich dann weiter entlang den Führungsschienen (42) bewegen, um Kontakt herzustellen mit den Federblättern (21) der leitenden Rahmen (2), um elektrische Verbindung zu bewirken; wobei, wenn ein Stecker, der flache Steckerstifte aufweist, mit der Steckdose verbunden wird, die flachen Steckerstifte zwischen die Aufnahmeplatten und die U-förmigen leitenden Platten (23) eingefügt werden, um elektrische Verbindung mit den Aufnahmeplatten und den U-förmigen leitenden Platten (23) zu bewirken; und wobei, wenn ein Stecker, der zwei runde Steckerstifte oder rechteckige Steckerstifte hat, mit der Steckdose verbunden wird, die Steckerstifte mit den U-förmigen leitenden Platten (23) in Eingriff kommen, um elektrische Verbindung zu bewirken.
  2. Steckdose nach Anspruch 1, bei der die leitenden Rahmen (2) und der Erdverbindungsrahmen (3) jeder einen U-förmigen Rahmen einschließlich einer gewellten Schiene (25) zum Aufnehmen einer Steuerplatte (26) aufweisen, wobei die Steuerplatte entlang der damit verbundenen gewellten Schiene durch ein Schraubenmittel (27) bewegbar ist, um die Positionierung des entsprechenden Leiters zu steuern.
  3. Steckdose nach Anspruch 1 oder 2, die eine Rahmenplatte (7) einschließt, die einen vorspringenden Teil (73) aufweist, wobei die Abdeckung (5) fest mit dem Block (1) mit der Teilungsplatte (4) verbunden ist, wobei die leitenden Rahmen (2) und der Erdverbinungsrahmen (3) fest darin aufgenommen sind, wobei die Steckdose auf der Rahmenplatte (7) befestigt und fest in derselben gehalten wird durch vier Anschlagglieder (71) und die Haltemittel (72).
  4. Steckdose nach Anspruch 1, 2 oder 3, bei der die Abdeckung (5), die Teilungsplatte (4), die leitenden Rahmen (2), der Erdverbindungsrahmen (3) und der Block (1) die Form einer Einzelsteckdose oder Vielfachsteckdose haben, wobei die Abdeckung L-förmige Stiftlöcher (51), runde Stiftlöcher, Löcher für Erdverbindung einschließlich ovalen Löchern, runde Löcher (53) und rechteckige Löcher (54) oder längliche Stiftlöcher (56), runde Stiftlöcher oder rechteckige Stiftlöcher für Verbindung derselben mit einer Vielzahl von Steckerstiften entsprechend den Erfordernissen aufweist.
  5. Steckdose nach einem vorangehenden Anspruch, bei der jeder leitende Rahmen (120) eine Leiterhaltevorrichtung (125) aufweist, die ein Loch, durch das ein Leiter gesteckt werden soll und Mittel aufweist, mit denen der eingefügte Leiter fest mit derselben verbunden werden kann.
  6. Steckdose nach Anspruch 5, bei der die Leiterhaltevorrichtung (125) ein Loch (161) in sich hat und Schraubenmittel (162) aufweist, um einen Druckblock (163) zu steuern, damit dieser mit einem Leiter (165) in Eingriff kommt, der durch das Loch (161) eingefügt ist, um den Leiter (165) in gekrümmte Form zu drücken, so daß dieser fest darin festgehalten wird.
  7. Steckdose nach einem vorangehenden Anspruch, bei dem die Steckdosenkonstruktion mit einer Steckeranordnung zu einer Einheit verbunden ist, um als Steckdose einer Verlängerungsleitung für alternative Verbindung derselben einer Vielzahl von Verlängerungsleitungsanordnungen zu dienen, wobei die Steckeranordnung metallene Kontaktplatten (170) aufweist, die mit den leitenden Rahmen und dem Erdverbindungsrahmen an einem Ende verbunden sind und auch mit L-förmigen Steckerstiften am anderen Ende verbindbar sind.
  8. Steckdose nach einem vorangehenden Anspruch, der ein Aufhängungsloch (410) an<der äußeren Oberfläche des Blocks der Steckdose zum Aufhängen der Steckdose und eine Positionierplatte (420) aufweist, die drehbar an der äußeren Oberfläche des Blocks gegenüber dem Aufhängungsloch mit Hilfe eines Schraubenmittels (430) zur Befestigung der Steckdose auf einer Wandoberflächer (500) mit Hilfe von Schraubenmitteln (520) angebracht ist.
  9. Steckdose nach einem vorangehenden Anspruch, der Steckerstifte an einem Ende und die Vielzwecksteckerlöcher an dem anderen Ende aufweist, um so als Steckerverbinder zu dienen.
  10. Steckdose nach einem vorangehenden Anspruch, bei der der Grundverbindungsrahmen ein Ende aufweist, das leicht nach unten geneigt ist, um einen gekrümmten Teil an seitlichen Seiten für leichten Verbindungseingriff durch Erdverbindungsstifte zu bilden.
EP89307789A 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose Expired - Lifetime EP0411216B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT89307789T ATE132663T1 (de) 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose
EP89307789A EP0411216B1 (de) 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose
DE68925359T DE68925359T2 (de) 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose
ES89307789T ES2081844T3 (es) 1989-08-01 1989-08-01 Base de conexion electrica de seguridad, para usos multiples.
GR960400925T GR3019534T3 (en) 1989-08-01 1996-04-03 Multipurpose safety receptacle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89307789A EP0411216B1 (de) 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose

Publications (2)

Publication Number Publication Date
EP0411216A1 EP0411216A1 (de) 1991-02-06
EP0411216B1 true EP0411216B1 (de) 1996-01-03

Family

ID=8202749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89307789A Expired - Lifetime EP0411216B1 (de) 1989-08-01 1989-08-01 Mehrzwecksicherheitssteckdose

Country Status (5)

Country Link
EP (1) EP0411216B1 (de)
AT (1) ATE132663T1 (de)
DE (1) DE68925359T2 (de)
ES (1) ES2081844T3 (de)
GR (1) GR3019534T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438567B2 (en) 2004-12-28 2008-10-21 Belkin International Inc. Safety mechanism, electrical outlet containing same, and method of manufacturing same

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GB2266810B (en) * 1992-04-24 1995-10-11 Nce Electrical Electrical assembly
US5616041A (en) * 1995-01-17 1997-04-01 Heyco Stamped Products, Inc. Female connector for a plastic molded receptacle and an extension cord
DE19746759A1 (de) * 1997-10-23 1999-04-29 Dynamit Nobel Ag Anschlußsystem für mehrere elektrische Bauteile
ES2147706B1 (es) * 1998-03-20 2001-04-01 Interlander Patermann S L Conjunto modular de enchufe para mecanismos de superficie.
JP2000223001A (ja) * 1999-01-27 2000-08-11 Yazaki Corp 電源遮断装置
JP2000223002A (ja) * 1999-01-27 2000-08-11 Yazaki Corp 電源遮断装置
JP2000223000A (ja) * 1999-01-27 2000-08-11 Yazaki Corp 電源遮断装置
JP3612439B2 (ja) * 1999-05-06 2005-01-19 矢崎総業株式会社 電源遮断装置
US6407656B1 (en) * 1999-08-18 2002-06-18 Autonetworks Technologies, Ltd. Breaker device
JP2001126593A (ja) * 1999-08-18 2001-05-11 Auto Network Gijutsu Kenkyusho:Kk ブレーカ装置
IT250397Y1 (it) * 2000-12-19 2003-09-10 Vimar S R L Ora Vimar S P A Presa di corrente mobile multipla
CN116387877A (zh) * 2023-04-29 2023-07-04 突破电气（天津）有限公司 多用途导电片以及能与多种插头配合使用的插座

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FR1073818A (fr) * 1953-03-28 1954-09-29 Comptoir De Representations Prise de courant
DE7822086U1 (de) * 1978-07-24 1978-10-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Kombinationssteckdose
DE2915816C2 (de) * 1979-04-19 1983-11-17 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Elektrische Schutzkontaktdose
US4726780A (en) * 1986-09-19 1988-02-23 Michael Thackeray Twist-lock female plug adapter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438567B2 (en) 2004-12-28 2008-10-21 Belkin International Inc. Safety mechanism, electrical outlet containing same, and method of manufacturing same

Also Published As

Publication number Publication date
ES2081844T3 (es) 1996-03-16
DE68925359T2 (de) 1996-05-15
DE68925359D1 (de) 1996-02-15
GR3019534T3 (en) 1996-07-31
EP0411216A1 (de) 1991-02-06
ATE132663T1 (de) 1996-01-15

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