GB703955A - Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like - Google Patents

Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like

Info

Publication number
GB703955A
GB703955A GB121852A GB121852A GB703955A GB 703955 A GB703955 A GB 703955A GB 121852 A GB121852 A GB 121852A GB 121852 A GB121852 A GB 121852A GB 703955 A GB703955 A GB 703955A
Authority
GB
United Kingdom
Prior art keywords
covers
locking means
electric switches
lid
cover
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
GB121852A
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.)
JA Crabtree and Co Ltd
Original Assignee
JA Crabtree and 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 JA Crabtree and Co Ltd filed Critical JA Crabtree and Co Ltd
Priority to GB121852A priority Critical patent/GB703955A/en
Publication of GB703955A publication Critical patent/GB703955A/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
    • H01H9/28—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

Landscapes

  • Casings For Electric Apparatus (AREA)

Abstract

703,955. Switch covers. CRABTREE & CO., Ltd., J. A., and WINTLE, T. D. G. Nov. 24, 1952 [Jan. 16, 1952] No. 1218/52. Class 38(5) [Also in Groups XVII and XXV] The lid or cover a of a switch box d is secured by means of a screw c the head of which cooperates with a recessed formation b in the lid or cover so that when the hasp f<SP>1</SP> of a padlock f is passed through a hole e in the head, the screw is prevented from turning, so locking the lid or cover on the box. Two intersecting holes e may be provided.
GB121852A 1952-01-16 1952-01-16 Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like Expired GB703955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB121852A GB703955A (en) 1952-01-16 1952-01-16 Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB121852A GB703955A (en) 1952-01-16 1952-01-16 Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like

Publications (1)

Publication Number Publication Date
GB703955A true GB703955A (en) 1954-02-10

Family

ID=9718181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB121852A Expired GB703955A (en) 1952-01-16 1952-01-16 Improvements in locking means for the covers of boxes housing articles or apparatus such as electric switches and the like

Country Status (1)

Country Link
GB (1) GB703955A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125094A (en) * 1982-08-05 1984-02-29 Lewis W Chamberlain Locking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125094A (en) * 1982-08-05 1984-02-29 Lewis W Chamberlain Locking device

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