WO2016085702A1 - Ensemble fiche et prise électriques avec mécanisme de verrouillage - Google Patents

Ensemble fiche et prise électriques avec mécanisme de verrouillage Download PDF

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Publication number
WO2016085702A1
WO2016085702A1 PCT/US2015/061003 US2015061003W WO2016085702A1 WO 2016085702 A1 WO2016085702 A1 WO 2016085702A1 US 2015061003 W US2015061003 W US 2015061003W WO 2016085702 A1 WO2016085702 A1 WO 2016085702A1
Authority
WO
WIPO (PCT)
Prior art keywords
link
plug
receptacle
notch
switch
Prior art date
Application number
PCT/US2015/061003
Other languages
English (en)
Inventor
Vilas Subhash SHENDGE
Shivlingayya Vishwanath SWAMI
Original Assignee
Appleton Grp Llc
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
Priority claimed from US14/642,999 external-priority patent/US9472908B2/en
Application filed by Appleton Grp Llc filed Critical Appleton Grp Llc
Priority to EP15802293.9A priority Critical patent/EP3224913A1/fr
Publication of WO2016085702A1 publication Critical patent/WO2016085702A1/fr

Links

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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/707—Structural association with built-in electrical component with built-in switch interlocked with contact members or counterpart

Definitions

  • the present application generally relates to electrical plug and receptacle assemblies. More particularly, the present application relates to an electrical plug and receptacle assembly having an interlock mechanism that prevents a switch from being turned on unless a plug is positioned in the receptacle and prevents the plug from being removed from the receptacle when the switch is turned to an ON position.
  • the electrical plug and receptacle assembly with an interlock mechanism is useful in hazardous locations, such as National Electric Code (NEC) Class I, Division 1 areas, and may advantageously be used in explosion-proof electrical plug and receptacles.
  • NEC National Electric Code
  • an electrical plug and receptacle assembly including a housing having an internal cavity, a switch positioned within the internal cavity of the housing, an actuating mechanism positioned on an exterior of the housing and adapted for the housing, the receptacle adapted to receive a plug, a plug having a notch positioned on an outer surface of the plug, the notch having a front side and a rear side, a link driving member positioned within the housing and attached to the actuating mechanism, a link member positioned within the housing, the link member adapted to move laterally when the switch is turned from the OFF position to the ON position, a link blocking member positioned within the housing that is movable from a first blocking position where lateral movement of the link member is blocked to a second unblocked position where lateral movement of the link member is allowed, wherein when the plug is fully inserted into the receptacle, the front side of the notch on the plug contacts the link blocking member and causes the link blocking member to move into the second unblocked position,
  • the electrical plug and receptacle assembly may further optionally be provided wherein upon lateral movement of the link member when the switch is turned to the ON position, a notch blocking member is moved into position behind the rear side of the notch on the plug that prevents removal of the plug when the switch is turned to the ON position.
  • an electrical plug and receptacle assembly including a housing having an internal cavity, a switch positioned within the internal cavity of the housing, an actuating mechanism positioned on an exterior of the housing and adapted for manipulating the switch to an ON position and to an OFF position, a receptacle attached to the housing, the receptacle adapted to receive a plug, means for preventing movement of the actuating mechanism to manipulate the switch to an ON position when the plug is not positioned in the receptacle, and means for preventing removal of the plug from the receptacle when the switch is in the ON position.
  • a method of providing an interlocking mechanism for an electrical plug and receptacle including the steps of: (1) providing an electrical plug and receptacle assembly having a housing with an internal cavity, a switch positioned within the internal cavity of the housing, an actuating mechanism positioned on an exterior of the housing and adapted for manipulating the switch to an ON position and to an OFF position, a receptacle attached to the housing, the receptacle adapted to receive a plug, a plug having a notch positioned on an outer surface of the plug, the notch having a front side and a rear side, a link driving member positioned within the housing and attached to the actuating laterally when the switch is turned from the OFF position to the ON position, a link blocking member positioned within the housing that is movable from a first blocking position where lateral movement of the link member is blocked to a second unblocked position where lateral movement of the link member is allowed, (2) inserting the plug into the receptacle to cause the
  • Figure 1 is a perspective view of plug 50 and receptacle housing 10 of electrical plug and receptacle assembly 100, according to an example embodiment. ;
  • Figure 2 illustrates views into the inside of upper and lower housings 12, 14 of the receptacle housing 10 shown in Figure 1, according to an example embodiment
  • Figure 3 is an exploded view of the receptacle housing 10 shown in Figures 1 and 2;
  • Figure 4 provides another view of the inside of upper housing 12 shown in Figures 2 and 3 showing a switch in an ON and an OFF position;
  • Figure 5 is a perspective view of the inside of upper housing 12 shown in Figures 2-4;
  • Figure 6 provides a close up view of the inside of upper housing 12 shown in Figures 2-5 showing a switch in an ON position and in an OFF position;
  • Figure 7 is a perspective close up view of the inside of upper housing 12 showing link blocking member 80 in a locked position blocking movement of a link member by being positioned against a notch 136 on an upper portion 130 of the link member, where a switch is in the OFF position, according to an example embodiment;
  • Figure 8 is a perspective close up view showing link blocking member 80 shown in Figure 7 moved into a unblocked position by a notch 52 on a plug that has been inserted into the receptacle, where link blocking member 80 has been moved into position within recess 140 of upper portion 130 of the link member and out of engagement with notch 136, such that a switch may now be turned to an ON position;
  • Figure 9 is a perspective close up view showing link blocking member 80 shown in Figures 7 and 8 moved fully into the recess in the upper portion 130 of the link member when the switch is turned to an ON position, wherein a downwardly extending tab 132 on the upper portion 130 of the link member has been moved into position behind the notch 52 on the plug to prevent removal of the plug when the switch is in the ON position;
  • Figure 10 is a perspective view of plug 50 and receptacle housing 10 of electrical plug and receptacle assembly 100 shown in Figure 1 with receptacle cover 34 opened and just prior to placing the plug 50 into the receptacle 30;
  • Figure 11 is a perspective view of the inside of the housing 12 of receptacle housing 10 shown in Figure 10, with no plug positioned in the receptacle 30 and with link blocking member 80 in a blocked position with the link driving member 60 in an OFF position;
  • Figure 12 is a perspective view of the inside of the housing 12 shown in Figure 11, just prior to placement of plug 50 having notch 52 into the receptacle 30 and with link blocking member 80 in a blocked position with the link driving member 60 in an OFF position;
  • Figure 13 is a perspective view of the inside of the housing 12 shown in Figures 11 and 12, just after plug 50 having notch 52 has been moved into the receptacle 30 and with notch 52 moving link blocking member 80 in an unblocked position where a switch actuator may now be operated to move a downwardly extending tab 132 on the upper portion 130 of the link member into a position behind the notch 52 on the plug 50 to prevent removal of the plug 50 from the receptacle 30;
  • Figure 14 is a perspective view of the inside of the housing 12 shown in Figure 13, after extension 62 of link driving member 60 has moved along angled recess 142 of the cam profile 141 on the lower portion 120 of link member 110 to move the link member 110 to the left where the downwardly extending tab 132 on the upper portion 130 of the link member 110 has also been moved into a position behind the notch 52 on the plug 50 (as shown in Figure 9) to prevent removal of the plug 50 from the receptacle 30;
  • Figure 15 is a is a perspective view of the inside of the housing 12 shown in Figure 14, after the link driving member 60 has been fully rotated into an ON position;
  • Figure 16 is a perspective view of the downwardly extending tab 132 of upper portion 130 of the link member positioned behind the notch 52 of plug 30 when the switch is in the ON position; and Figure 17 is a perspective view of the downwardly extending tab 132 of upper portion 130 of the link member prior to positioning behind the notch 52 of plug 50 when the switch is in the OFF position.
  • the present embodiments are directed to an electrical plug and receptacle assembly wherein a switch within the receptacle housing is incapable of being turned to the ON position unless a plug has been fully inserted into the receptacle of the receptacle housing, and the plug is incapable of being removed from the receptacle when the switch within the receptacle housing is in the ON position.
  • FIG. 1 is a perspective view of electrical plug 50 and receptacle housing 10 of electrical plug and receptacle assembly 100, according to an example embodiment.
  • Electrical plug and receptacle assembly 100 includes a receptacle housing 10, that includes an upper housing 12 secured to a lower housing 14.
  • a receptacle 30 is secured to the housing and provides a passage to the inside of the housing 10.
  • An actuating mechanism 20 is shown positioned on the exterior of the upper housing 12. Actuating mechanism 20 is operable to manipulate a switch within the housing 10 from an ON position to an OFF position and vice versa.
  • the receptacle 30 includes a cover 34 having a front surface 32 that prevents entry dirt and debris into housing 10, when not in use.
  • Receptacle 30 is adapted to receive plug 50 such that an electrical connection is formed when the plug 50 is fully inserted into the receptacle 30.
  • Cover 34 may be removed or opened to allow for the entry of plug 50 into receptacle 30.
  • a threaded rotating member 21 on the plug 50 can be screwed onto corresponding mating threads on the receptacle 30 to help secure the plug 50 to the receptacle 30.
  • a notch 52 is shown on the outer surface of the plug 52 that, as described in more detail below, is used to unlock the receptacle 30 and allow the actuating mechanism 20 to move to manipulate a switch within the housing 10 from an OFF to an ON position.
  • Figure 2 shows a view into the inside of lower housing 14 and a view from below into the inside of upper housing 12.
  • a switch 17 is shown positioned in lower housing 14.
  • Cover 34 is shown positioned on the upper housing 12 indicating that the switch is positioned in the OFF position.
  • a link driving member 60 is attached to the actuating mechanism 20 (shown in Figure 1), such that when the plug is inserted into the receptacle, upon initial turn causes link member 110 to move laterally.
  • the switch 17 is caused to be turned to an ON position, and downwardly extending tab 132 (shown in Figure 3) has been caused to be moved behind the notch 52 on plug 50 such that removal of the plug 50 is prevented when the switch 17 is in the ON position.
  • a link blocking member 80 is positioned within an upper portion 130 of the link member 110 and held in place within plate 94 that is secured to the upper housing 12.
  • the link blocking member 80 is biased by spring 90 into a position such that movement of the link member 110 is blocked by the link blocking member 80 when the switch is in the OFF position and the plug is not positioned within the receptacle.
  • the interaction of the link blocking member 80 and link member 110 together prevent the link driving member 60 from rotating, and in turn prevent the switch 17 from being turned to an ON position when the plug is not inserted into the receptacle.
  • Link driving member 60 includes an extension 62 that contacts the link member 110 when link driving member 60 is rotated. To insure that the link driving member 60 is in either an ON position or an OFF position, the link driving member 60 includes an indexing mechanism that cooperates with a pair of followers 70 and 74 that are biased against link driving member 60 by springs 72 and 76 respectively. The followers 70 and 74 cooperate with complementary outer surfaces of the link driving member 60 that are spaced apart by 90 degrees to advantageously ensure that the link driving member 60 is either fully in the ON position or fully in the OFF position.
  • Figure 3 is an exploded view of the receptacle housing 10 shown in Figures 1 and 2.
  • Followers 70 and 74 and springs 72 and 76 are positioned within follower holder 77.
  • Link driving member 60 includes detent surfaces 66 and 64 that are complementary with the ends of followers 70 and 74.
  • Link driving member 60 is secured to actuating mechanism 20 with screw 61.
  • Extension 62 extends outwardly and is attached to cam follower 65 that rides against cam profile 141 on lower portion 120 of link member 110.
  • Cam profile 141 includes an angled recess portion 142.
  • the cam follower 65 engages the angled recess portion 142 imparting lateral movement to link member 110, which in turn moves downwardly extending tab 132 of upper portion 130 of link member 130 into position behind the notch 52 of the plug 50 (shown in Figure 1 and described in more detail below) to prevent removal of the plug 50.
  • the link member member 60 may further rotate along cam profile 141 to move the link driving member into an ON position where the switch 17 (shown in Figure 2) is at the same time moved into an ON position.
  • the cam profile 141 could be such that the link member 110 is moved laterally at the same time the link driving member 60 is rotated through 90 degrees to the ON position.
  • Link member 110 includes a lower portion 120 and an upper portion 130 linked together by two angled members 112 and 114.
  • Follower holder 77 is secured to the upper housing 12 by screws 101, 103, 105, and 107.
  • the lower portion 120 of link member 110 is positioned between the follower holder 77 and the top of upper housing 12. Lateral movement of link member 110 is allowed by elongated slots 121, 122, 123, and 124 in lower portion 120 that are positioned around screws 101, 103, 105, and 107 used to secure follower holder 77 to housing 12.
  • Upper portion 130 of link member 110 is positioned between the housing 12 and a plate 94 that is secured to housing 12 with screws 98 and 99 that extend through holes 98a and 99a in plate 94, through spacers 98c and 99c, through elongated slots 117 and 116 in upper portion 130 of link member 110, and are secured to threaded holes 98b and 99b in the housing 12.
  • Elongated slots 117 and 116 on the upper portion 130 of link member 110 are positioned about the screws 98 and 99 and spacers 98c and 99c to allow for lateral movement of link member 110.
  • Link blocking member 80 is positioned within plate 94 and is spring biased by spring 90 positioned between the link blocking member 80 and a flange 96 upwardly extending from plate 94.
  • Link blocking member 80 is also positioned within recess 140 of upper portion 130 of link member 110. In the OFF position, link blocking member is in a blocked positioned engaged with notch 118 of upper portion 130 of link member 110.
  • a flange 134 extends upwardly from upper portion 130 of link member 110 and spans recess 140. Flange 134 further includes a downwardly extending tab 132 used to block removal of the plug 50 (shown in Figure 1) when the switch 17 is in the ON position.
  • Figure 4 provides another view of the inside of upper housing 12 shown in Figures 2 and 3 showing a switch in an ON position on the left and in an OFF position on the right.
  • link driving member 60 is shown with extension 62 positioned towards the receptacle 30.
  • cover 34 of receptacle 30 is open, but no plug is positioned within the receptacle.
  • the link blocking member 80 is biased by spring 90 into a blocked position.
  • Link member 110 is positioned generally In the left side of Figure 4, a plug 50 has been inserted into the receptacle, and notch 52 on the plug has pushed the link blocking member 80 and compressed spring 90 to move the link blocking member 80 into an unblocked position.
  • Link driving member extension 62 has been rotated 90 degrees to move link member 110 laterally towards the left as shown by exposed elongated slot 117 in upper portion 130 of link member 110. With driving member extension 62 in this position with plug 50 positioned in the receptacle, the switch is now in the ON position.
  • Figure 5 is a perspective view of the inside of upper housing 12 shown in Figures 2-4 with the link driving member 60 in the OFF position.
  • the link member 110 is shown positioned generally to the right as can be seen with reference to elongated slots 116 and 117 in upper portion 130 of link member 110.
  • followers 70 and 74 are biased by springs 72 and 76 to maintain the link driving member 60 in the OFF position with extension 62 directed towards the receptacle.
  • spring 90 is positioned between flange 96 on plate 94 and link blocking member 80 to bias the link blocking member 80 into a blocked position.
  • Figure 6 provides a close up view of the inside of upper housing 12 shown in Figures 2-5 showing a switch in an OFF position on the left side and in an ON position on the right side.
  • link driving member 60 is shown with extension 62 positioned towards the receptacle 30.
  • the link blocking member 80 is biased into a blocked position by spring 90 positioned between link blocking member 80 and flange 96 extending upwardly from plate 94.
  • Link member 110 is positioned generally towards the right side of housing 12 as can be seen by exposed elongated slot 116.
  • Figure 7 is a perspective close up view of the inside of upper housing 12 with plate 94 member 110 by being positioned against a notch 136 on an upper portion 130 of the link member 110, when a switch is in the OFF position. In this OFF and locked position, it is not possible to rotate the mechanical actuator 20 (shown in Figures 1 and 2) to place the switch into an ON position. With no plug in the receptacle, spring 90 biases the link blocking member 80 towards the receptacle such that edge 82 of link blocking member 80 abuts notch 136 on upper portion 130 of the link member 110, thereby preventing any lateral movement of the link member 110.
  • the link member 110 In this OFF position, the link member 110 is positioned generally to the right as illustrated by elongated slots 116 and 117 and screws 98 and 99. When in this OFF position, the link blocking member 80 is only partially positioned within recess 140 on upper portion 130 of link member 110.
  • Figure 8 is a perspective close up view showing link blocking member 80 shown in Figure 7 moved into a unblocked position by a notch 52 on a plug that has been inserted into the receptacle, where link blocking member 80 has been moved to compress spring 90 and moved into position within recess 140 of upper portion 130 of the link member and out of engagement with notch 136, such that a switch may now be turned to an ON position.
  • the link member 110 has not yet been moved laterally such that notch 52 is blocked from being removed by downwardly extending tab 132, as indicated by the positioning of screws 98 and 99 in elongated slots 116 and 117.
  • Figure 9 is a perspective close up view showing link blocking member 80 shown in Figures 7 and 8 moved fully into the recess 140 in the upper portion 130 of the link member 110 when the switch is turned to an ON position.
  • the link member has been laterally moved to the left, wherein downwardly extending tab 132 on the upper portion 130 of the link member 110 has been moved into position behind the notch 52 on the plug to prevent removal of the plug when the switch is in the ON position.
  • Figure 10 is a perspective view of plug 50 and receptacle housing 10 of electrical plug and receptacle assembly 100 shown in Figure 1 with receptacle cover 34 opened and just prior to placing the plug 50 into the receptacle 30. With plug 50 positioned outside of the receptacle 30, the actuating mechanism 20 is positioned in the OFF position.
  • Figure 11 is a perspective view of the inside of upper housing 12 of receptacle housing 10 shown in Figure 10 with the lower housing removed and the followers and follower holders removed, with no plug positioned in the receptacle 30 and with link blocking member 80 in a blocked position with link driving member 60 in an OFF position 110 is positioned generally to right as indicated by the relative positions of screws 101, 103, 105, and 107 within elongated slots 121, 122, 123, and 124 on lower portion 120 of link member 110.
  • a torsion spring 90’ instead of a compression spring, is used to bias the link blocking member 80 into the blocked position.
  • Figure 12 is a perspective view of the inside of upper housing 12 shown in Figure 11, just prior to placement of plug 50 having notch 52 into the receptacle 30 and with link blocking member 80 in a blocked position with link driving member 60 in an OFF position.
  • Figure 13 is a perspective view of the inside of the housing 12 shown in Figures 11 and 12, just after plug 50 having notch 52 has been moved into the receptacle 30 and with notch 52 moving link blocking member 80 to an unblocked position where a switch actuator may now be operated to rotate link driving member 60 to manipulate the switch to an ON position, by laterally moving link member 110 to move a downwardly extending tab 132 on the upper portion 130 of the link member 110 into a position behind the notch 52 on the plug 50 (as shown in Figure 9) to prevent removal of the plug 50 from the receptacle 30 when in this ON position.
  • Figure 14 is a perspective view of the inside of the housing 12 shown in Figure 13, after extension 62 of link driving member 60 has moved along angled recess 142 of the cam profile 141 on the lower portion 120 of link member 110 to move the link member to the left as indicated by the relative positions of screws 101, 103, 105, and 107 within elongated slots 121, 122, 123, and 124 in the lower portion 120 of link member 110.
  • the link member 110 is moved laterally to the left in this fashion, the downwardly extending tab 132 on the upper portion 130 of the link member 110 has also been moved into a position behind the notch 52 on the plug 50 (as shown in Figure 9) to prevent removal of the plug 50 from the receptacle 30.
  • Figure 15 is a is a perspective view of the inside of the housing 12 shown in Figure 14, after the link driving member 60 has been fully rotated 90 degrees into an ON position.
  • the downwardly extending tab 132 on the upper portion 130 of the link member 110 remains positioned behind the notch 52 on plug 50 (as shown in Figure 9) to prevent removal of the plug 50 from the receptacle when the switch is in the ON position.
  • Figure 16 shows the interaction between the downwardly extending tab 132 of upper portion 130 of the link member with the notch 52 of plug 50 when switch is in the ON position.
  • notch 52 of plug 50 extends into recess 140 adjacent notch 136 in the upper portion 130 of link member 110.
  • the downwardly extending tab 132 attached to flange 134 of upper portion 130 has been moved into position behind the notch 52 to prevent the plug from being removed with the switch is in the ON position.
  • Figure 17 shows the interaction between the downwardly extending tab 132 of upper portion 130 of link member 110 and notch 52 of plug 50 when plug 50 has been inserted into the receptacle, but prior to the switch being moved into ON position.
  • the notch 52 extends past downwardly extending tab 132 into recess 140 of upper portion 130 of link member 110.
  • actuating member 20 on the exterior of receptacle housing 10 is shown as a rotating member, it could also operate using linear movement to laterally move the link member 110 from on OFF position to an ON position.
  • link member 110 could be made of various geometries, where the link member has a blocking portion that extends behind the notch 52 of the plug when the switch is in the ON position to prevent removal of the plug when the switch is in the ON position.
  • the notch blocking member is shown as a downwardly extending flange but could also take the form of an upwardly extending flange, side mounted flange, or other member that may be moved into position behind the notch 52 upon movement of the link member 110 and perform a blocking function.
  • the link member 110 may have a portion in communication with the link driving member 60 that imparts lateral movement to the link member 110 and a notch blocking portion that blocks the notch 52 of plug 50 preventing removal of the plug 50 when the switch is in an ON position.
  • rotational or linear movement of the actuating mechanism 20 may also utilize other ways of laterally moving the link member 110 in addition to using a cam profile on a lower portion of the link member that cooperates with a cam member on an extension of the link driving member.
  • a rack and pinion assembly or gear assembly could be used to impart lateral movement to the link member 110.
  • Other known methods of translating rotational motion into linear motion known to those of ordinary skill in the art could also be used.
  • the link member itself could be spring-biased into an OFF position, and moved into an ON position by movement of a link driving member.

Abstract

L'invention concerne un ensemble fiche et prise comprenant un boîtier, un mécanisme d'actionnement servant à manipuler un interrupteur vers des positions MARCHE et ARRET, une prise prévue pour recevoir une fiche, un organe d'entraînement de liaison rattache au mécanisme d'actionnement, un organe de liaison prévu pour se déplacer latéralement lorsque l'interrupteur est amené dans la position MARCHE, un organe de blocage de liaison pouvant être déplacé d'une position où le mouvement latéral de l'organe de liaison est bloqué à une position où le mouvement latéral de l'organe de liaison est permis, caractérisée en ce que, suite à l'insertion de la fiche dans la prise, une encoche sur la fiche fait en sorte que l'organe de blocage de liaison adopte la position débloquée où le mécanisme d'actionnement peut être déplacé pour faire en sorte que l'organe d'entraînement de liaison déplace latéralement l'organe de liaison et tourne l'interrupteur de la position ARRET à la position MARCHE.
PCT/US2015/061003 2014-11-29 2015-11-17 Ensemble fiche et prise électriques avec mécanisme de verrouillage WO2016085702A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15802293.9A EP3224913A1 (fr) 2014-11-29 2015-11-17 Ensemble fiche et prise électriques avec mécanisme de verrouillage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IN3819/MUM/2014 2014-11-29
IN3819MU2014 2014-11-29
US14/642,999 2015-03-10
US14/642,999 US9472908B2 (en) 2014-11-29 2015-03-10 Electrical plug and receptacle assembly with interlock mechanism

Publications (1)

Publication Number Publication Date
WO2016085702A1 true WO2016085702A1 (fr) 2016-06-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013470A1 (fr) 2015-07-22 2017-01-26 Appleton Grp, Llc. Ensemble prise électrique universel à entrée de câble supérieure et inférieure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037549B (de) * 1952-09-25 1958-08-28 Siemens Ag Abschaltbare Kraftsteckdose mit gegenseitiger Verriegelung zwischen Schalter und Steckdose
DE2342805A1 (de) * 1973-08-24 1975-03-06 Aloys Mennekes Elektrotechn Kraftsteckdose mit schalter und verriegelungsmechanismus
EP0632540A2 (fr) * 1993-07-02 1995-01-04 Hubbell Incorporated Prise à interrupteur de sécurité avec face frontale non accessible
DE10003047A1 (de) * 1999-01-27 2000-08-03 Abb Ab Vaesteraas Verriegelbare Steckdose
EP1075055A1 (fr) * 1999-07-30 2001-02-07 Legrand Dispositif de distribution de courant commandé à verrouillage mécanique de la fiche dans un socle correspondant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037549B (de) * 1952-09-25 1958-08-28 Siemens Ag Abschaltbare Kraftsteckdose mit gegenseitiger Verriegelung zwischen Schalter und Steckdose
DE2342805A1 (de) * 1973-08-24 1975-03-06 Aloys Mennekes Elektrotechn Kraftsteckdose mit schalter und verriegelungsmechanismus
EP0632540A2 (fr) * 1993-07-02 1995-01-04 Hubbell Incorporated Prise à interrupteur de sécurité avec face frontale non accessible
DE10003047A1 (de) * 1999-01-27 2000-08-03 Abb Ab Vaesteraas Verriegelbare Steckdose
EP1075055A1 (fr) * 1999-07-30 2001-02-07 Legrand Dispositif de distribution de courant commandé à verrouillage mécanique de la fiche dans un socle correspondant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017013470A1 (fr) 2015-07-22 2017-01-26 Appleton Grp, Llc. Ensemble prise électrique universel à entrée de câble supérieure et inférieure
EP3326244A4 (fr) * 2015-07-22 2019-03-20 Appleton Grp LLC Ensemble prise électrique universel à entrée de câble supérieure et inférieure

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