GB2320985B - Power cut-out safety device - Google Patents

Power cut-out safety device

Info

Publication number
GB2320985B
GB2320985B GB9724985A GB9724985A GB2320985B GB 2320985 B GB2320985 B GB 2320985B GB 9724985 A GB9724985 A GB 9724985A GB 9724985 A GB9724985 A GB 9724985A GB 2320985 B GB2320985 B GB 2320985B
Authority
GB
United Kingdom
Prior art keywords
safety device
power cut
out safety
cut
power
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
GB9724985A
Other versions
GB9724985D0 (en
GB2320985A (en
Inventor
Alan James Hobbs
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.)
ELECTRICAL TESTING Ltd
Original Assignee
ELECTRICAL TESTING Ltd
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 ELECTRICAL TESTING Ltd filed Critical ELECTRICAL TESTING Ltd
Publication of GB9724985D0 publication Critical patent/GB9724985D0/en
Publication of GB2320985A publication Critical patent/GB2320985A/en
Application granted granted Critical
Publication of GB2320985B publication Critical patent/GB2320985B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/287—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member wherein the operating part is made inaccessible or more difficult to access by a lid, cover or guard, e.g. lockable covers
GB9724985A 1996-11-29 1997-11-27 Power cut-out safety device Expired - Lifetime GB2320985B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9624912.3A GB9624912D0 (en) 1996-11-29 1996-11-29 Power cut-out safety device

Publications (3)

Publication Number Publication Date
GB9724985D0 GB9724985D0 (en) 1998-01-28
GB2320985A GB2320985A (en) 1998-07-08
GB2320985B true GB2320985B (en) 2001-02-28

Family

ID=10803716

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9624912.3A Pending GB9624912D0 (en) 1996-11-29 1996-11-29 Power cut-out safety device
GB9724985A Expired - Lifetime GB2320985B (en) 1996-11-29 1997-11-27 Power cut-out safety device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9624912.3A Pending GB9624912D0 (en) 1996-11-29 1996-11-29 Power cut-out safety device

Country Status (1)

Country Link
GB (2) GB9624912D0 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB322171A (en) * 1928-08-21 1929-11-21 Pennant Mfg Company Ltd A new or improved device for preventing the unauthorized use of electric switches
GB365595A (en) * 1929-10-19 1932-01-18 Landis & Gyr Sa An improved protective casing for installation apparatus, for example electricity meters
GB843672A (en) * 1956-12-24 1960-08-10 Westinghouse Electric Corp Improvements in or relating to electric circuit interrupters
EP0307067A2 (en) * 1987-09-11 1989-03-15 International Control Automation Finance S.A. Fuse covers
GB2261116A (en) * 1991-10-30 1993-05-05 Raymond Mew Switches

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB322171A (en) * 1928-08-21 1929-11-21 Pennant Mfg Company Ltd A new or improved device for preventing the unauthorized use of electric switches
GB365595A (en) * 1929-10-19 1932-01-18 Landis & Gyr Sa An improved protective casing for installation apparatus, for example electricity meters
GB843672A (en) * 1956-12-24 1960-08-10 Westinghouse Electric Corp Improvements in or relating to electric circuit interrupters
EP0307067A2 (en) * 1987-09-11 1989-03-15 International Control Automation Finance S.A. Fuse covers
GB2261116A (en) * 1991-10-30 1993-05-05 Raymond Mew Switches

Also Published As

Publication number Publication date
GB9724985D0 (en) 1998-01-28
GB2320985A (en) 1998-07-08
GB9624912D0 (en) 1997-01-15

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20171126