GB634753A - Improvements in or relating to electric switch actuating devices - Google Patents

Improvements in or relating to electric switch actuating devices

Info

Publication number
GB634753A
GB634753A GB3116047A GB3116047A GB634753A GB 634753 A GB634753 A GB 634753A GB 3116047 A GB3116047 A GB 3116047A GB 3116047 A GB3116047 A GB 3116047A GB 634753 A GB634753 A GB 634753A
Authority
GB
United Kingdom
Prior art keywords
block
switch
pin
post
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
GB3116047A
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.)
WALTER HUGH BLOIS
Original Assignee
WALTER HUGH BLOIS
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 WALTER HUGH BLOIS filed Critical WALTER HUGH BLOIS
Priority to GB3116047A priority Critical patent/GB634753A/en
Publication of GB634753A publication Critical patent/GB634753A/en
Expired legal-status Critical Current

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
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part

Abstract

634,753. Switch handles ; switch cases BLOIS, W. H., and MARKS, A. E. Nov. 25, 1947, No. 31160. [Class 38 (v)] An isolating switch which interrupts the supply to an electrical apparatus when the cover of the apparatus is removed, has attached to the cover a switch-operating member in the form of a plug having pins which move the actuating member of the switch on the apparatus. The actuating member is a block 12, which rests on a base plate 11 and is biassed into the position shown by a spring 14 fixed between a post 13 on the block 12 and a post 16 fixed on the base 11. When the cover of the apparatus is replaced the pins 3, 4 of the plug enter holes 7, 8 in the switch casing. The pin 4, which is hollow and is longer than pin 3, engages an inclined surface 23 of the block 12 so moving the block to the right from the position shown. The end of the post 16 is now exposed in a hole 18 in the block and on the continued insertion of the pin 4, it engages the end of the post 16 and forms a pivot about which the block 12 can rotate. The conical end of the plug pin 3 having entered the hole 7 now engages an inclined surface 24, so that the pin 3 now causes the block to rotate to close and hold a " micro " switch 20. When the cover of the apparatus is removed the spring 14 returns the block to its original position and the switch is opened. For maintenance purposes, a coin 26 may be inserted in a slot 25 where it engages an inclined surface 27 and causes the block to pivot about the end of the post 16 to close the switch 20. Should the coin be left in the slot when the apparatus cover is replaced a pin 28 ejects the coin as the block moves to the right.
GB3116047A 1947-11-25 1947-11-25 Improvements in or relating to electric switch actuating devices Expired GB634753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3116047A GB634753A (en) 1947-11-25 1947-11-25 Improvements in or relating to electric switch actuating devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3116047A GB634753A (en) 1947-11-25 1947-11-25 Improvements in or relating to electric switch actuating devices

Publications (1)

Publication Number Publication Date
GB634753A true GB634753A (en) 1950-03-29

Family

ID=10318919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3116047A Expired GB634753A (en) 1947-11-25 1947-11-25 Improvements in or relating to electric switch actuating devices

Country Status (1)

Country Link
GB (1) GB634753A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756299A (en) * 1953-08-10 1956-07-24 Motorola Inc Radio cover switch
US2827523A (en) * 1955-05-23 1958-03-18 Ciba Ltd Fume-proof electric switch device
US2902550A (en) * 1956-03-01 1959-09-01 Kenneth C Allison Slide-type electric switch
US4389551A (en) * 1981-07-13 1983-06-21 Tektronix, Inc. Probe-actuated guard shield switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756299A (en) * 1953-08-10 1956-07-24 Motorola Inc Radio cover switch
US2827523A (en) * 1955-05-23 1958-03-18 Ciba Ltd Fume-proof electric switch device
US2902550A (en) * 1956-03-01 1959-09-01 Kenneth C Allison Slide-type electric switch
US4389551A (en) * 1981-07-13 1983-06-21 Tektronix, Inc. Probe-actuated guard shield switch

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