GB407476A - Improvements in or relating to electric tumbler switches - Google Patents

Improvements in or relating to electric tumbler switches

Info

Publication number
GB407476A
GB407476A GB3479232A GB3479232A GB407476A GB 407476 A GB407476 A GB 407476A GB 3479232 A GB3479232 A GB 3479232A GB 3479232 A GB3479232 A GB 3479232A GB 407476 A GB407476 A GB 407476A
Authority
GB
United Kingdom
Prior art keywords
contact
relating
tumbler switches
dolly
pillars
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
GB3479232A
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.)
Novar ED&S Ltd
Original Assignee
MK Electric 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 MK Electric Ltd filed Critical MK Electric Ltd
Priority to GB3479232A priority Critical patent/GB407476A/en
Publication of GB407476A publication Critical patent/GB407476A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • H01H23/166—Driving mechanisms with positive action

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)
  • Handcart (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

407,476. Tumbler switches. ARNOLD, C. L., and M. K. ELECTRIC, Ltd., Wakefield Street, Edmonton, London. Dec. 8, 1932, No. 34792. [Class 38 (v).] A tumbler switch has a U-shaped contact-member 7 pivoted in pillars 3 formed on the base and connected by a tension spring 9 to the lower part of a dolly 5 pivoted on a pin 25 resting in recesses on the top of the pillars 3. The dolly is formed with depending horns 13 and 15 which are adapted to engage with the sides of the spring 9 to give positive actuation to the contact-member. The upper end of the contact-member is also formed with lugs 21, 23 one pair of which engage the spindle 25 in each position of the switch to limit the movement of the contact-member.
GB3479232A 1932-12-08 1932-12-08 Improvements in or relating to electric tumbler switches Expired GB407476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3479232A GB407476A (en) 1932-12-08 1932-12-08 Improvements in or relating to electric tumbler switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3479232A GB407476A (en) 1932-12-08 1932-12-08 Improvements in or relating to electric tumbler switches

Publications (1)

Publication Number Publication Date
GB407476A true GB407476A (en) 1934-03-22

Family

ID=10369996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3479232A Expired GB407476A (en) 1932-12-08 1932-12-08 Improvements in or relating to electric tumbler switches

Country Status (1)

Country Link
GB (1) GB407476A (en)

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