CA2677283A1 - Tamper resistant interrupter receptacle having a detachable metal skin - Google Patents

Tamper resistant interrupter receptacle having a detachable metal skin Download PDF

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Publication number
CA2677283A1
CA2677283A1 CA002677283A CA2677283A CA2677283A1 CA 2677283 A1 CA2677283 A1 CA 2677283A1 CA 002677283 A CA002677283 A CA 002677283A CA 2677283 A CA2677283 A CA 2677283A CA 2677283 A1 CA2677283 A1 CA 2677283A1
Authority
CA
Canada
Prior art keywords
receptacle
shutter
locking bar
pivoting locking
tamper
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.)
Granted
Application number
CA002677283A
Other languages
French (fr)
Other versions
CA2677283C (en
Inventor
Edward Bazayev
Stephen Sokolow
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.)
Leviton Manufacturing Co Inc
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
Priority claimed from US11/674,061 external-priority patent/US7551047B2/en
Application filed by Individual filed Critical Individual
Publication of CA2677283A1 publication Critical patent/CA2677283A1/en
Application granted granted Critical
Publication of CA2677283C publication Critical patent/CA2677283C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Abstract

A tamper-resistant device including a housing having a first surface and a second surface; and one or more covers positioned on the first surface of the housing, wherein the first surface includes at least two angled surfaces for receiving the one or more covers to create a securedly fixed connection, and wherein the one or more covers are securedly fixed to the housing via a snapping device.

Claims (76)

1. A tamper-resistant device comprising:
a housing having a first surface and a second surface; and one or more covers positioned on the first surface of the housing.
2. The tamper-resistant device of claim 1, wherein the tamper-resistant device is a shutter.
3. The tamper-resistant device of claim 1, wherein the one or more covers occupy a portion of the first surface.
4. The tamper-resistant device of claim 1, wherein the one or more covers are metal covers.
5. The tamper-resistant device of claim 4, wherein the metal covers permit contact blades of a plug to be securedly affixed to terminals connected to a power source.
6. The tamper-resistant device of claim 1, wherein the first surface includes at least two angled surfaces.
7. The tamper-resistant device of claim 6, wherein the at least two angled surfaces receive the one or more covers to create a securedly fixed connection.
8. The tamper-resistant device of claim 1, wherein the one or more covers are securedly fixed to the housing via a snapping device.
9. The tamper-resistant device of claim 1, wherein the one or more covers are detachable.
10. A cover comprising:
a first surface being an angled surface;
a second surface being a first side surface extending from a first side of the first surface;
a third surface being a second side surface extending from a second side of the first surface;
wherein the first side surface and the second side surface are parallel longitudinal sides; and wherein the first side surface and the second side surface each include an attaching member for attaching the cover to an external device.
11. The cover of claim 10, wherein the cover is a metal cover.
12. The cover of claim 10, wherein the external device is a housing of a tamper-resistant device.
13. The cover of claim 10, wherein the attaching member is a snapping device.
14. The cover of claim 13, wherein the snapping device attaches the cover to an internal surface of the external device.
15. A method for constructing a tamper-resistant device, the method comprising:
providing a housing having a first surface and a second surface; and positioning one or more covers on the first surface of the housing.
16. The method of claim 15, wherein the one or more detachable covers occupy a portion of the first surface.
17. The method of claim 15, wherein the one or more detachable covers are metal covers.
18. The method of claim 17, wherein the metal covers permit contact blades of a plug to be securedly affixed to terminals connected to a power source.
19. The method of claim 15, wherein the first surface includes at least two angled surfaces.
20. The method of claim 19, wherein the at least two angled surfaces receive the one or more detachable covers to create a securedly fixed connection.
21. The method of claim 15, wherein the one or more detachable covers are securedly fixed to the housing via a snapping device.
22. A receptacle comprising:
a front surface including one or more slots for receiving contact blades;
a rear surface including one or more terminals for connecting the contact blades to a power source, the one or more terminals being line terminals and load terminals; and a shutter having one or more covers, the shutter positioned between the front surface and the rear surface of the receptacle, the shutter configured to be misaligned in relation to the one or more slots in order to obstruct a direct path between the contact blades and the one or more terminals, wherein insertion of an object in the one or more slots causes displacement of the shutter.
23. The receptacle of claim 22, further comprising a shutter lock operatively connected in the receptacle to receive power from the power source connected to the receptacle.
24. The receptacle of claim 22, wherein the shutter is a child resistant shutter.
25. The receptacle of claim 23, wherein the shutter lock includes a pivoting locking bar, which is moved to an unlocked position when the power from the power source is applied to the line terminals of the receptacle.
26. The receptacle of claim 25, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter.
27. The receptacle of claim 26, wherein the mechanical arm is a solenoid.
28. The receptacle of claim 26, wherein the lifter displaces the movable bridge to force a non-tripped condition and allow insertion of the contact blades when the receptacle is correctly wired.
29. The receptacle of claim 26, wherein the pivoting locking bar prevents operation of the shutter even when the contact blades are correctly inserted into the one or more slots on the front surface of the receptacle if reverse-wiring is detected by the shutter lock.
30. The receptacle of claim 25, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
31. The receptacle of claim 24, wherein the shutter comprises a ground fault circuit interrupter (GFCI), wherein the GFCI is in a tripped condition.
32. The receptacle of claim 31, wherein the shutter lock includes a pivoting locking bar being mounted to a mechanical arm operably coupled to a movable bridge, the pivoting locking bar being moved to an unlocked position when the power from the power source is applied to the line terminals of the receptacle.
33. The receptacle of claim 32, wherein the mechanical arm is a solenoid activated by GFCI circuitry.
34. The receptacle of claim 32, wherein the pivoting locking bar is automatically moved to an unlocked position when the power from the power source is applied.
35. The receptacle of claim 32, wherein the pivoting locking bar is moved to an unlocked position when reset mode is activated.
36. The receptacle of claim 32, wherein the pivoting locking bar is moved to an unlocked position when the contact blades of a plug are inserted into the front surface of the receptacle.
37. A receptacle comprising:
a front surface including one or more slots for receiving contact blades;
a rear surface including one or more terminals for connecting the contact blades to a power source, the one or more terminals being line terminals and load terminals;
a shutter positioned between the front surface and the rear surface of the receptacle, the shutter configured to be misaligned in relation to the one or more slots in order to obstruct a direct path between the contact blades and the one or more terminals, wherein insertion of an object in the one or more slots causes displacement of the shutter; and a shutter lock operatively connected in the receptacle to receive power from the power source connected to the receptacle.
38. The receptacle of claim 37, wherein the shutter is a child resistant shutter.
39. The receptacle of claim 37, wherein the shutter lock includes a pivoting locking bar, which is moved to an unlocked position when the power from the power source is applied to the line terminals of the receptacle.
40. The receptacle of claim 39, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter.
41. The receptacle of claim 40, wherein the mechanical arm is a solenoid.
42. The receptacle of claim 40, wherein the lifter displaces the movable bridge to force a non-tripped condition and allow insertion of the contact blades when the receptacle is correctly wired.
43. The receptacle of claim 40, wherein the pivoting locking bar prevents operation of the shutter even when the contact blades are correctly inserted into the one or more slots on the front surface of the receptacle if reverse-wiring is detected by the shutter lock.
44. The receptacle of claim 39, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
45. The receptacle of claim 38, wherein the shutter comprises a ground fault circuit interrupter (GFCI).
46. The receptacle of claim 45, wherein the GFCI is in a tripped condition.
47. The receptacle of claim 46, wherein the shutter lock includes a pivoting locking bar, which is moved to an unlocked position when the power from the power source is applied to the line terminals of the receptacle.
48. The receptacle of claim 47, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge.
49. The receptacle of claim 48, wherein the mechanical arm is a solenoid activated by GFCI circuitry.
50. The receptacle of claim 49, wherein the GFCI circuitry displaces the movable bridge to force a non-tripped condition of the GFCI when the receptacle is correctly wired.
51. The receptacle of claim 48, wherein the pivoting locking bar prevents operation of the shutter even when the contact blades are correctly inserted into the one or more slots on the front surface of the receptacle if reverse-wiring is detected by the shutter lock.
52. The receptacle of claim 47, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
53. A receptacle comprising:
a front surface and a rear surface for connecting a compatible object to a power source;
a shutter positioned between the front surface and the rear surface, the shutter configured to prevent a non-compatible object from being inserted into one or more slots of the front surface of the receptacle; and a shutter lock operatively connected in the receptacle to receive power from a power source connected to the receptacle preventing displacement of said shutter when the receptacle is reverse-wired.
54. The receptacle of claim 53, wherein the shutter lock includes a pivoting locking bar, which is moved to an unlocked position when the power from the power source is applied to line terminals of the receptacle.
55. The receptacle of claim 54, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter.
56. The receptacle of claim 55, wherein the lifter displaces the movable bridge to force a non-tripped condition and allows insertion of the contact blades when the receptacle is correctly wired.
57. The receptacle of claim 54, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
58. The receptacle of claim 53, wherein:
the shutter comprises a ground fault circuit interrupter (GFCI) in a tripped condition;
and the shutter lock includes a pivoting locking bar mounted to a mechanical arm operably coupled to a movable bridge and a lifter, the pivoting locking bar being moved to an unlocked position when the power from the power source is applied to line terminals of the receptacle.
59. A receptacle comprising:
a front surface and a rear surface for connecting a compatible object to a power source; and a shutter positioned between the front surface and the rear surface, the shutter configured to prevent a non-compatible object from being inserted into one or more slots of the front surface of the receptacle.
60. A method for combining a tamper-resistant device and a shutter lock within a receptacle, the receptacle having a front surface including one or more slots for receiving contact blades and a rear surface including one or more terminals for connecting the contact blades to a power source, the one or more terminals being line terminals and load terminals, the tamper-resistant device positioned between the front surface and the rear surface of the receptacle and configured to be misaligned in relation to the one or more slots in order to obstruct a direct path between the contact blades and the one or more terminals, wherein insertion of an object in the one or more slots causes displacement of the tamper-resistant device, the method comprising:
applying power from the power source to the line terminals of the receptacle in order to release a pivoting locking bar; and inserting the contact blades to move the tamper-resistant device for allowing an electrical connection between the contact blades and the one or more terminals of the receptacle.
61. The method of claim 60, wherein the tamper-resistant device is a child resistant device.
62. The method of claim 61, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter.
63. The method of claim 62, wherein the mechanical arm is a solenoid.
64. The method of claim 62, wherein the lifter displaces the movable bridge to force a non-tripped condition and allow insertion of the contact blades when the receptacle is correctly wired.
65. The method of claim 62, wherein the pivoting locking bar prevents operation of the tamper-resistant device even when the contact blades are correctly inserted into the one or more slots on the front surface of the receptacle if reverse-wiring is detected by the shutter lock.
66. The method of claim 60, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
67. The method of claim 61, wherein the tamper-resistant device comprises a ground fault circuit interrupter (GFCI).
68. The method of claim 67, wherein the GFCI is in a tripped condition.
69. The method of claim 68, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge.
70. The method of claim 69, wherein the mechanical arm is a solenoid activated by GFCI
circuitry.
71. The method of claim 69, wherein the GFCI circuitry displaces the movable bridge to force a non-tripped condition of the GFCI when the receptacle is correctly wired.
72. The method of claim 68, wherein the pivoting locking bar prevents operation of the tamper-resistant device even when the contact blades are correctly inserted into the one or more slots on the front surface of the receptacle if reverse-wiring is detected by the shutter lock.
73. The method of claim 68, wherein the pivoting locking bar remains in a locked position until the receptacle is correctly wired.
74. A method for combining a tamper-resistant device and a shutter lock within a receptacle, the receptacle having a front surface and a rear surface for connecting a compatible object to a power source, the tamper-resistant device positioned between the front surface and the rear surface and configured to prevent a non-compatible object from being inserted into one or more slots of the front surface of the receptacle, the shutter lock operatively connected in the receptacle to receive power from a power source connected to the receptacle, the method comprising:
releasing a pivoting locking bar; and inserting the contact blades to move the tamper-resistant device for allowing an electrical connection between the contact blades and the one or more terminals of the receptacle.
75. The method of claim 74, wherein the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter, and moved to an unlocked position when the power from the power source is applied to line terminals of the receptacle.
76. The method of claim 74, wherein:
the tamper-resistant device comprises a ground fault circuit interrupter (GFCI) in a tripped condition; and the pivoting locking bar is mounted to a mechanical arm operably coupled to a movable bridge and a lifter, and.moved to an unlocked position when the power from the power source is applied to line terminals of the receptacle.
CA2677283A 2007-02-12 2008-02-12 Tamper resistant interrupter receptacle having a detachable metal skin Active CA2677283C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/674,061 US7551047B2 (en) 2006-02-10 2007-02-12 Tamper resistant ground fault circuit interrupter receptacle having dual function shutters
US11/674,061 2007-02-12
US11/866,735 2007-10-03
US11/866,735 US7868719B2 (en) 2006-02-10 2007-10-03 Tamper resistant interrupter receptacle having a detachable metal skin
PCT/US2008/053708 WO2008100925A2 (en) 2007-02-12 2008-02-12 Tamper resistant interrupter receptacle having a detachable metal skin

Publications (2)

Publication Number Publication Date
CA2677283A1 true CA2677283A1 (en) 2008-08-21
CA2677283C CA2677283C (en) 2012-06-19

Family

ID=39690760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2677283A Active CA2677283C (en) 2007-02-12 2008-02-12 Tamper resistant interrupter receptacle having a detachable metal skin

Country Status (4)

Country Link
US (2) US7868719B2 (en)
CN (1) CN101606290B (en)
CA (1) CA2677283C (en)
WO (1) WO2008100925A2 (en)

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CN101606290A (en) 2009-12-16
US20090286411A1 (en) 2009-11-19
US7868719B2 (en) 2011-01-11
US20080248662A1 (en) 2008-10-09
WO2008100925A2 (en) 2008-08-21
CA2677283C (en) 2012-06-19
WO2008100925A3 (en) 2008-11-20
CN101606290B (en) 2013-03-27

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