GB205298A - Improvements in and relating to locking devices for use, for example, on electrical apparatus - Google Patents

Improvements in and relating to locking devices for use, for example, on electrical apparatus

Info

Publication number
GB205298A
GB205298A GB2482122A GB2482122A GB205298A GB 205298 A GB205298 A GB 205298A GB 2482122 A GB2482122 A GB 2482122A GB 2482122 A GB2482122 A GB 2482122A GB 205298 A GB205298 A GB 205298A
Authority
GB
United Kingdom
Prior art keywords
relating
electrical apparatus
door
locking devices
switch
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
Application number
GB2482122A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB2482122A priority Critical patent/GB205298A/en
Priority to FR570729D priority patent/FR570729A/en
Publication of GB205298A publication Critical patent/GB205298A/en
Expired 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
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts

Landscapes

  • Casings For Electric Apparatus (AREA)

Abstract

205,298. British Thomson - Houston Co., Ltd., and Sugden, J. Sept. 13, 1922. Fastenings for boxes.-A link 5 connects two rotatable members 1 and 3 in such a manner that either member can only be rotated when the other member is in a certain position. As shown in the Figure the member 1 is the flattened end of a switch spindle and the member 3 is the flattened end of the hinge pin of a door 4. When the door is open the member 1 cannot be rotated until the " on " position of the switch, and when the switch is "on" the door 4 cannot be opened.
GB2482122A 1922-09-13 1922-09-13 Improvements in and relating to locking devices for use, for example, on electrical apparatus Expired GB205298A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2482122A GB205298A (en) 1922-09-13 1922-09-13 Improvements in and relating to locking devices for use, for example, on electrical apparatus
FR570729D FR570729A (en) 1922-09-13 1923-09-12 Improvements to locking devices for electrical and other devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2482122A GB205298A (en) 1922-09-13 1922-09-13 Improvements in and relating to locking devices for use, for example, on electrical apparatus

Publications (1)

Publication Number Publication Date
GB205298A true GB205298A (en) 1923-10-18

Family

ID=10217747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2482122A Expired GB205298A (en) 1922-09-13 1922-09-13 Improvements in and relating to locking devices for use, for example, on electrical apparatus

Country Status (2)

Country Link
FR (1) FR570729A (en)
GB (1) GB205298A (en)

Also Published As

Publication number Publication date
FR570729A (en) 1924-05-06

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