EP2709213B1 - Safety device for electrical socket - Google Patents
Safety device for electrical socket Download PDFInfo
- Publication number
- EP2709213B1 EP2709213B1 EP13183762.7A EP13183762A EP2709213B1 EP 2709213 B1 EP2709213 B1 EP 2709213B1 EP 13183762 A EP13183762 A EP 13183762A EP 2709213 B1 EP2709213 B1 EP 2709213B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- openings
- shutters
- pair
- oscillating body
- safety 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.)
- Active
Links
- 230000007935 neutral effect Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Images
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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
- H01R13/4534—Laterally sliding shutter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
- H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- 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
- H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
Definitions
- the object of the present invention is a safety device for electrical sockets, particularly suitable for multistandard sockets, i.e. suitable for receiving different types of plugs, on the basis of the standards of the various countries.
- a safety device for electrical sockets has to allow the insertion of the relative plug in the cells of the socket in order to perform the electrical connection, but has to prevent the access to these cells, and therefore to the live electrical contacts, by foreign bodies, for example if a punch is inserted in one of the cells of the socket.
- shutters placed in the body of the socket are used, so as to occlude normally the holes of access to the contact terminals, and to move, in contrast to the action of elastic means, to allow the insertion of the pins of a plug.
- FR - 2.826.787 A1 describes a shutter system for electrical sockets, suitable for being placed between a body of containment of the electrical contacts of the socket and a cover having a pair of openings of access to said electrical contacts, wherein the shutter is made up of a structure divided into two parts along a plane passing through the midline joining said pair of openings of access to the electrical contacts.
- the two parts of shutter are hooked one to the other, slide between each other and oscillate on an axis of fulcrum belonging to the same structure of the shutter, placed on a median plane orthogonal to the aforesaid plane passing through the midline of said pair of openings.
- US 7857640 B1 discloses a safety structure for an electrical socket, having two separate shutters which occlude the phase and neutral holes of the socket. The shutters cannot be actuated for having access to the electrical contacts of the socket unless a latching element is manually shifted in an open position. A manual operation is also requested for returning the latching element in the closed position.
- the embodiment of figures 6A through 6D provides a return structure which allows the latching element to automatically return to the closed position.
- FR 2784807 A1 discloses an electrical socket with a safety device as disclosed in the preamble of independent claim 1 and comprising a shutter made up of two sections of flaps which are constrained one with respect to the other and can oscillate around a fulcrum belonging to the same structure of the shutter.
- the shutter structure oscillates on a plate which does not allow insertion of an earth pin.
- the object of the invention is that of eliminating or at least reducing the disadvantages of the prior art.
- an object of the invention is that of providing a safety device for electrical sockets which is extremely reliable and of simple design.
- Another object of the invention is that of providing such a safety device which is particularly suitable for multistandard sockets.
- the safety device comprises a support base, an oscillating body and a pair of shutters completely unrestrained one from the other, suitable for occluding the holes of access of the phase and neutral cells.
- Both the support base and the oscillating body have a plurality of holes varyingly shaped according to the various standards of sockets.
- a pair of symmetrical holes are provided, shaped in such a way as to accommodate the phase and neutral pins of different standards and a wide central window for the different earth pins.
- the single shutters are placed in such a way as to leave completely clear the central zone of the socket, so as to allow the free access of the different standards of earth pins.
- the shutters have a shape with plane inclined in the direction of insertion of the pins, in such a way that the latter cause the displacement thereof in contrast to the action of elastic means.
- the oscillating body oscillates around its median axis and the displacement of the shutters is prevented by a projection present on the support base and on a cover respectively.
- reference numeral 1 denotes a multistandard socket provided with the safety device according to the invention which will be described in detail herein below.
- the socket 1 comprises substantially a body 10, wherein are housed the electrical contacts and the cells suitable for receiving the jacks or pins of various plugs, and a cover 20 carrying means 27 for the assembly of the socket 1 in frames of support of modular electrical apparatuses. More particularly the socket 1 occupies two modules of these series of modular electrical apparatuses.
- the safety device according to the invention is illustrated in particular in Figures 2 and 3 and is placed inside the body 10, and closed above by the cover 20.
- It comprises a support base 40, an oscillating body 50 and a pair of shutters 60 which are separated and unrestrained one in relation to the other.
- Both the support base 40 and the oscillating body 50 have, adjacent to one of their sides, a respective pair of openings 41, 51, in this case with a substantially rectangular shape, placed aligned one with the other. Below these openings the cells of the phase and neutral terminals of various standards are positioned, not shown in the drawings for reasons of clarity and because considered in themselves known.
- a respective elongated opening 42, 52 is provided, extending practically between two opposite sides of the aforesaid elements.
- a pair of openings 21 are formed in the cover 20, placed aligned with the aforementioned openings 41, 51, and shaped in such a way as to be able to accommodate pins of the various standards of plugs, and an elongated opening 22, aligned with the aforementioned openings 42, 52, shaped in such a way as to be able to accommodate the earth pins of the various standards of plugs.
- the oscillating body 50 has two opposite sides 53 with a cusp shape, which rest centrally at corresponding opposite sides 43 of the support base 40, so as to be able to oscillate around an axis X-X (see in particular Figure 7 ) passing through the midline of said elongated openings 42 - 52: said axis of oscillation X-X of the oscillating body 50 is thus placed centrally between said shutters 60.
- the shutters 60 are placed on the oscillating body 50 to cover the underlying holes 51, where they are pushed by respective springs 61 placed around corresponding stems 62 and acting between them and respective small contrast walls 54 provided on the oscillating body and provided with respective holes 55 wherein the aforementioned stems 62 slide.
- the shutters 60 have a wedge shape, with an inclined upper wall 63 turned towards a respective shaped opening 21 above of the cover 20.
- two small projections 46 are provided, placed aligned with corresponding holes 56 formed in the oscillating body 50 behind the aforementioned openings 51: said pair of projections 46 are provided adjacent to said pair of openings 41.
- the projections 46 arrive at a lower level than the openings 56 when the oscillating body 50 is perfectly plane, yet are suitable for inserting in these openings when the oscillating body is made to oscillate in one direction or in the other.
- Two further projections 26 are provided inside the cover 20 (see in particular Figure 8 ), arriving at a higher level than the shutters 60 when the oscillating body 50 is in a perfectly horizontal position yet interfering with these shutters when the oscillating body is made to oscillate in one direction or in the other, as will be explained in greater detail herein below.
- the two side arrows indicate the insertion of the phase and neutral pins in the pair of shaped openings 21 of the cover 20, below which the shutters 60 are placed, while the central arrow indicates the direction of insertion of the earth pin in the central opening 22 of the cover, which freely communicates with the underlying openings 52, 42, respectively of the oscillating body 50 and of the support base 40.
- Figures 9 to 12 illustrate schematically different types of plugs, whose phase and neutral pins, differently shaped, determine a proper functioning of the safety device 30 according to the invention, applied to the multistandard socket 1 illustrated in Figure 1 .
- This oscillation means that a projection 46 provided on the support base 40 penetrates the corresponding hole 56 of the oscillating body, on the side wherein the latter is inclined downwards, going to interfere with the corresponding shutter 60, preventing the backward movement thereof.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
- The object of the present invention is a safety device for electrical sockets, particularly suitable for multistandard sockets, i.e. suitable for receiving different types of plugs, on the basis of the standards of the various countries.
- A safety device for electrical sockets has to allow the insertion of the relative plug in the cells of the socket in order to perform the electrical connection, but has to prevent the access to these cells, and therefore to the live electrical contacts, by foreign bodies, for example if a punch is inserted in one of the cells of the socket.
- For this purpose shutters placed in the body of the socket are used, so as to occlude normally the holes of access to the contact terminals, and to move, in contrast to the action of elastic means, to allow the insertion of the pins of a plug.
- An "unbalanced" force which acts on the shutter, such as might be for example that of a foreign body inserted in one of the holes of access of the socket, does not succeed in producing the displacement of the shutter, which remains as protection of the underlying electrical contacts.
- Existing shutters are normally made in a single part and designed for the single standards of electrical sockets.
- In the case of multistandard sockets which, in addition to having the phase and neutral cells of various configuration, have the earth cell varyingly arranged along the midline of the previous ones, known shutters cannot normally be used in that they would go to occupy part of the central area of the socket, not allowing the insertion of the earth pin of the various standards.
-
FR - 2.826.787 A1 -
US 7857640 B1 discloses a safety structure for an electrical socket, having two separate shutters which occlude the phase and neutral holes of the socket. The shutters cannot be actuated for having access to the electrical contacts of the socket unless a latching element is manually shifted in an open position. A manual operation is also requested for returning the latching element in the closed position. The embodiment offigures 6A through 6D provides a return structure which allows the latching element to automatically return to the closed position. -
FR 2784807 A1 independent claim 1 and comprising a shutter made up of two sections of flaps which are constrained one with respect to the other and can oscillate around a fulcrum belonging to the same structure of the shutter. The shutter structure oscillates on a plate which does not allow insertion of an earth pin. - The object of the invention is that of eliminating or at least reducing the disadvantages of the prior art.
- In particular an object of the invention is that of providing a safety device for electrical sockets which is extremely reliable and of simple design.
- Another object of the invention is that of providing such a safety device which is particularly suitable for multistandard sockets.
- These and other objects are achieved by the safety device according to the invention which has the features of the annexed
independent claim 1. - Advantageous embodiments of the invention are disclosed by the dependent claims.
- The safety device according to the invention comprises a support base, an oscillating body and a pair of shutters completely unrestrained one from the other, suitable for occluding the holes of access of the phase and neutral cells.
- Both the support base and the oscillating body have a plurality of holes varyingly shaped according to the various standards of sockets.
- More particularly, conveniently, a pair of symmetrical holes are provided, shaped in such a way as to accommodate the phase and neutral pins of different standards and a wide central window for the different earth pins.
- The single shutters are placed in such a way as to leave completely clear the central zone of the socket, so as to allow the free access of the different standards of earth pins.
- The shutters have a shape with plane inclined in the direction of insertion of the pins, in such a way that the latter cause the displacement thereof in contrast to the action of elastic means.
- If a thrust force is exerted only on one of the two shutters, such as might be the case wherein a foreign body is inserted in one of the holes corresponding to the phase or neutral cells, the oscillating body oscillates around its median axis and the displacement of the shutters is prevented by a projection present on the support base and on a cover respectively.
- Further features of the invention will be made clearer by the following detailed description, referred to one of its embodiments purely by way of a non-limiting example illustrated in the accompanying drawings, in which:
-
Figure 1 is a schematic perspective view of a multiple power socket incorporating the safety device according to the invention; -
Figure 2 is a blown-up view of the components of the safety device; -
Figure 3 is a view of the safety device assembled; -
Figure 4 is a sectioned view of the safety device ofFigure 3 provided with cover, - taken along line IV-IV;
-
Figure 5 is a partial sectioned view taken along line V-V ofFig. 4 ; -
Figure 6 is a section like that ofFigure 4 , with the inclined oscillating body which prevents the displacement of the shutters; -
Figure 7 is a perspective view from above of the safety device according to the invention, with the oscillating body inclined; -
Figure 8 is a fictitious schematic view, with the shutters seen from below inside the cover in order to show the projections for blocking their displacement when the oscillating body is inclined; -
Figures 9 and 12 are schematic views showing various types of plugs which can couple with the multistandard socket provided with the safety device according to the invention. - Referring to these drawings, and for the time being in particular to
Figure 1 ,reference numeral 1 denotes a multistandard socket provided with the safety device according to the invention which will be described in detail herein below. - The
socket 1 comprises substantially abody 10, wherein are housed the electrical contacts and the cells suitable for receiving the jacks or pins of various plugs, and acover 20 carrying means 27 for the assembly of thesocket 1 in frames of support of modular electrical apparatuses. More particularly thesocket 1 occupies two modules of these series of modular electrical apparatuses. - The safety device according to the invention, denoted by
reference numeral 30, is illustrated in particular inFigures 2 and 3 and is placed inside thebody 10, and closed above by thecover 20. - It comprises a
support base 40, anoscillating body 50 and a pair ofshutters 60 which are separated and unrestrained one in relation to the other. - Both the
support base 40 and the oscillatingbody 50 have, adjacent to one of their sides, a respective pair ofopenings - In the central part of the
base 40 and of the oscillatingbody 50, between the abovementioned pairs ofopenings elongated opening - Below said
elongated openings - Correspondingly a pair of
openings 21 are formed in thecover 20, placed aligned with theaforementioned openings elongated opening 22, aligned with theaforementioned openings - The oscillating
body 50 has twoopposite sides 53 with a cusp shape, which rest centrally at correspondingopposite sides 43 of thesupport base 40, so as to be able to oscillate around an axis X-X (see in particularFigure 7 ) passing through the midline of said elongated openings 42 - 52: said axis of oscillation X-X of the oscillatingbody 50 is thus placed centrally between saidshutters 60. - The
shutters 60 are placed on the oscillatingbody 50 to cover theunderlying holes 51, where they are pushed byrespective springs 61 placed aroundcorresponding stems 62 and acting between them and respectivesmall contrast walls 54 provided on the oscillating body and provided withrespective holes 55 wherein theaforementioned stems 62 slide. - The
shutters 60 have a wedge shape, with an inclinedupper wall 63 turned towards a respectiveshaped opening 21 above of thecover 20. - On the
support base 40, behind theaforementioned openings 41, twosmall projections 46 are provided, placed aligned withcorresponding holes 56 formed in the oscillatingbody 50 behind the aforementioned openings 51: said pair ofprojections 46 are provided adjacent to said pair ofopenings 41. - The
projections 46 arrive at a lower level than theopenings 56 when theoscillating body 50 is perfectly plane, yet are suitable for inserting in these openings when the oscillating body is made to oscillate in one direction or in the other.
Twofurther projections 26 are provided inside the cover 20 (see in particularFigure 8 ), arriving at a higher level than theshutters 60 when theoscillating body 50 is in a perfectly horizontal position yet interfering with these shutters when the oscillating body is made to oscillate in one direction or in the other, as will be explained in greater detail herein below. - The sections of
Figures 4 and 5 show schematically the proper functioning of the safety device according to the invention when a plug is inserted in thesocket 1. - In
Figure 4 the two side arrows indicate the insertion of the phase and neutral pins in the pair ofshaped openings 21 of thecover 20, below which theshutters 60 are placed, while the central arrow indicates the direction of insertion of the earth pin in thecentral opening 22 of the cover, which freely communicates with theunderlying openings body 50 and of thesupport base 40. - The action of symmetrical thrust exerted by the pins of the plug on the two
shutters 60 means that the oscillatingbody 50 is maintained in a perfectly horizontal position. At the same time said pins acting on theinclined planes 63 of theshutters 60, as the vertical arrow inFigure 5 schematises, produce the backward movement of the shutters, as indicated by the horizontal arrow inFigure 5 , in contrast to the action of saidsprings 61. -
Figures 9 to 12 illustrate schematically different types of plugs, whose phase and neutral pins, differently shaped, determine a proper functioning of thesafety device 30 according to the invention, applied to themultistandard socket 1 illustrated inFigure 1 . - Should an attempt be made to insert a foreign body in only one of the
openings 21 formed in thecover 20, as schematically shown by the vertical arrow in the section ofFigure 6 , the unbalanced force acting on only one of theshutters 60 produces an oscillation of the oscillatingbody 50, as schematically shown by the curved arrow inFigure 6 . - This oscillation means that a
projection 46 provided on thesupport base 40 penetrates thecorresponding hole 56 of the oscillating body, on the side wherein the latter is inclined downwards, going to interfere with thecorresponding shutter 60, preventing the backward movement thereof. - At the same time the
other shutter 60, placed on the side wherein the oscillating body is inclined upwards, goes to interfere with thecorresponding projection 26 formed inside thecover 20, and is prevented from moving backwards. - Therefore access to the underlying live terminals of the phase and neutral pins is avoided, should an attempt be made to insert in the holes of the socket objects different from the electrical plugs of the standards which it can accommodate.
- The fact of having provided two
separate shutters 60, each one normally occluding therespective opening 21, allows the possibility of having the central area of the socket completely free in order to be able to accommodate earth terminals of plugs of the various standards, ensuring in any case safety thanks to the oscillation of the oscillatingbody 50 should an attempt be made to insert a foreign body in the holes of the socket. - From what is disclosed the advantages of the safety device according to the invention appear clear, which however must not be considered limited to the embodiment previously described and illustrated purely by way of an example, the scope of the invention being determined only by the annexed claims.
Claims (5)
- Safety device (30) for electrical sockets (1), designed to be interposed between
a body (10) for containing electrical contacts of the socket and
a cover (20) having at least one pair of openings (21) for access to phase and neutral electrical contacts of the socket,
said safety system (30) comprising- a pair of shutter elements (60) movable betweena position of occlusion of said pair of openings (21) to prevent the access to said electrical contacts anda position spaced apart from said pair of openings (21) to allow the insertion of pins of an electrical plug therein and- elastic means (61) which push said shutters (60) in their occlusion position,said shutters (60) being placed on a separate oscillating body (50) having two opposite sides (53) with a cusp shape, which rest centrally at corresponding opposite sides (43) of an underlying support base (40),
said oscillating body (50) being able to oscillate around an axis X-X when a thrust force is exerted on only one of these shutters (60) through one of said openings (21) of the cover (20),
said safety device being characterised in that
said shutters (60) are separated by a free central area so as to be unrestrained one in relation to the other, each one normally occluding a respective opening (21),
said axis of oscillation X-X of the oscillating body (50) being placed centrally between said shutters (60) and passing through the midline of an elongated opening (52) provided in said oscillating body (50),
a pair of openings (51,41) are provided in the oscillating body (50) and in the underlying support base (40) respectively, aligned one with the other and with said openings (21) of the cover (20)
on said support base (40) a pair of projections (46) are provided adjacent to said pair of openings (41), aligned with corresponding holes (56) provided in the oscillating body (50), such that when the oscillating body (50) is in an inclined position, one of said projections (46) penetrates a corresponding hole (56) and interferes with the corresponding shutter (60) avoiding the displacement thereof
a pair of projections (26) are provided inside said cover (20) adjacent to said openings (21), designed to interfere with a respective shutter (60) preventing displacement thereof. - Safety device according to claim 1, wherein said shutters (60) have a wedge body with an inclined upper wall (63) turned towards said openings (21) of the cover (20).
- Safety device according to any one of the preceding claims, wherein said shutters (60) have a respective stem (62) and said elastic means (61) are springs placed around said stems and acting between the corresponding shutter and a fixed abutment (54) provided with a hole (55) for the sliding of said stem (62).
- Safety device according to any one of the preceding claims, characterised in that centrally to said support base (40) between said pair of openings (41), an elongated opening (42) is provided, aligned with said elongated opening (52) provided in the oscillating body (50) and with a corresponding elongated opening (22) provided in the cover (20), said elongated opening (22) having such a configuration to receive earth pins of plugs of various standards.
- Electrical socket (1) provided with a safety device (30) according to any one of the preceding claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001522A ITMI20121522A1 (en) | 2012-09-14 | 2012-09-14 | SAFETY DEVICE FOR ELECTRIC OUTLET |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2709213A1 EP2709213A1 (en) | 2014-03-19 |
EP2709213B1 true EP2709213B1 (en) | 2017-06-28 |
Family
ID=46982718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13183762.7A Active EP2709213B1 (en) | 2012-09-14 | 2013-09-10 | Safety device for electrical socket |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP2709213B1 (en) |
CN (1) | CN103682757B (en) |
AR (1) | AR092552A1 (en) |
BR (1) | BR102013023371B1 (en) |
CL (1) | CL2013002619A1 (en) |
IL (1) | IL227946A (en) |
IT (1) | ITMI20121522A1 (en) |
MA (1) | MA35007B1 (en) |
MX (1) | MX362987B (en) |
SG (1) | SG2013068119A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109565131B (en) * | 2016-06-09 | 2020-11-24 | 哈勃股份有限公司 | False touch prevention mechanism for electric wiring device |
CN111864444B (en) * | 2020-07-28 | 2022-05-31 | 浙江华烯电器有限公司 | Simple structure and reliable shutter |
CN113626887B (en) * | 2021-10-13 | 2021-12-07 | 南通澜欣云科技有限公司 | Safety type computer external protection equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100093198A1 (en) * | 2008-10-10 | 2010-04-15 | Hing Wai Michael Ma | Safety protection structure for universal sockets |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1000801B (en) * | 1973-12-05 | 1976-04-10 | Bassani Spa | SAFETY DEVICE FOR ELECTRIC CURRENT SOCKETS |
FR2784807B1 (en) * | 1998-10-06 | 2000-12-29 | Legrand Sa | SOCKET BASE WITH SAFETY SHUTTER |
FR2826787B1 (en) * | 2001-06-29 | 2004-03-26 | Legrand Sa | SOCKET SOCKET WITH A SAFETY SHUTTER, PROVIDED WITH MEANS FOR ENHANCING THE SECURITY OF THE BASE AND GUARANTEEING SAME |
MY137176A (en) * | 2003-09-11 | 2009-01-30 | Clipsal Australia Pty Ltd | Shuttered electrical connecter socket |
WO2008058476A1 (en) * | 2006-11-17 | 2008-05-22 | Clipsal Asia Holdings Limited | International socket |
MY153395A (en) * | 2007-11-21 | 2015-02-13 | Novar Ed & S Ltd | Electric socket |
JP4535168B2 (en) * | 2008-02-12 | 2010-09-01 | パナソニック電工株式会社 | Outlet with door |
US7857640B1 (en) * | 2009-12-18 | 2010-12-28 | Xyz Science Co., Ltd. | Electric connector equipped with multiple layers of safety structure |
-
2012
- 2012-09-14 IT IT001522A patent/ITMI20121522A1/en unknown
-
2013
- 2013-08-13 IL IL227946A patent/IL227946A/en active IP Right Grant
- 2013-09-05 MA MA36223A patent/MA35007B1/en unknown
- 2013-09-10 EP EP13183762.7A patent/EP2709213B1/en active Active
- 2013-09-10 SG SG2013068119A patent/SG2013068119A/en unknown
- 2013-09-12 MX MX2013010459A patent/MX362987B/en active IP Right Grant
- 2013-09-12 CL CL2013002619A patent/CL2013002619A1/en unknown
- 2013-09-12 AR ARP130103276A patent/AR092552A1/en active IP Right Grant
- 2013-09-12 BR BR102013023371-4A patent/BR102013023371B1/en active IP Right Grant
- 2013-09-13 CN CN201310416259.XA patent/CN103682757B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100093198A1 (en) * | 2008-10-10 | 2010-04-15 | Hing Wai Michael Ma | Safety protection structure for universal sockets |
Also Published As
Publication number | Publication date |
---|---|
MX362987B (en) | 2019-02-28 |
MX2013010459A (en) | 2016-02-29 |
SG2013068119A (en) | 2014-04-28 |
EP2709213A1 (en) | 2014-03-19 |
ITMI20121522A1 (en) | 2014-03-15 |
BR102013023371B1 (en) | 2020-09-15 |
CN103682757A (en) | 2014-03-26 |
AR092552A1 (en) | 2015-04-22 |
BR102013023371A2 (en) | 2015-08-11 |
CN103682757B (en) | 2017-10-17 |
MA35007B1 (en) | 2014-04-03 |
CL2013002619A1 (en) | 2014-05-09 |
IL227946A (en) | 2017-09-28 |
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