GB969665A - Improvements in slow break electrical switches - Google Patents

Improvements in slow break electrical switches

Info

Publication number
GB969665A
GB969665A GB734262A GB734262A GB969665A GB 969665 A GB969665 A GB 969665A GB 734262 A GB734262 A GB 734262A GB 734262 A GB734262 A GB 734262A GB 969665 A GB969665 A GB 969665A
Authority
GB
United Kingdom
Prior art keywords
switch
rocker
pocket
switches
contact
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
GB734262A
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.)
CECIL DENINGTON HARWOOD
CLANG Ltd
Original Assignee
CECIL DENINGTON HARWOOD
CLANG 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 CECIL DENINGTON HARWOOD, CLANG Ltd filed Critical CECIL DENINGTON HARWOOD
Priority to GB734262A priority Critical patent/GB969665A/en
Publication of GB969665A publication Critical patent/GB969665A/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
    • H01H23/168—Driving mechanisms using cams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H2009/307—Means for extinguishing or preventing arc between current-carrying parts with slow break, e.g. for AC current waiting for a zero crossing

Abstract

969,665. Cam-operated switches; tumbler switches. CLANG Ltd., H. E. AUSTEN, and C. D. HARWOOD. Feb. 26, 1963 [Feb. 26, 1962], No. 7342/62. Heading H2B. In a slow break electric switch, for use particularly in A.C. circuits, by depressing one end of a rocker 1, a turned-down end 10 of a floating, bridging contact member 8 is moved into a pocket 11 in the switch base 3, the member 8 is rotated so that the main contact end 13 is moved away from a stationary contact 22 and finally, when the rocker is in its " Off " position, the end 10 engages a second stationary contact 21. The member 8 is biased against the contacts 21, 22 by a compression spring 17 located in a pocket 18 in the switch base 3. The pocket 11 limits lengthwise movement of the member 8 and the end 10 determines the size of the contact gap 12, Fig. 3 (not shown). The member 8 may be of bi-metal with the ends inlaid with silver, and the contacts 21, 22 are of silver. Stops 6, 7 in the form of pillars of resilient material, limit the rotation of the rocker 1 and reduce the noise of the switch. A two-way switch may be provided by putting two switches side-by-side, Figs. 7, 8, (not shown), or a one-way switch may be made in a two-way switch housing by mounting a spring, to take up the free travel of the rocker, in the empty casing. The switch may be operated by a rocker or dolly, or by pulloperated mechanism as described in Specification 859,210. Specification 803,314 also is referred to.
GB734262A 1962-02-26 1962-02-26 Improvements in slow break electrical switches Expired GB969665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB734262A GB969665A (en) 1962-02-26 1962-02-26 Improvements in slow break electrical switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB734262A GB969665A (en) 1962-02-26 1962-02-26 Improvements in slow break electrical switches

Publications (1)

Publication Number Publication Date
GB969665A true GB969665A (en) 1964-09-16

Family

ID=9831278

Family Applications (1)

Application Number Title Priority Date Filing Date
GB734262A Expired GB969665A (en) 1962-02-26 1962-02-26 Improvements in slow break electrical switches

Country Status (1)

Country Link
GB (1) GB969665A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592307A (en) * 2020-02-12 2021-08-25 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system
GB2592190A (en) * 2020-02-12 2021-08-25 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592307A (en) * 2020-02-12 2021-08-25 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system
GB2592190A (en) * 2020-02-12 2021-08-25 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system
GB2592190B (en) * 2020-02-12 2022-09-14 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system
GB2592307B (en) * 2020-02-12 2023-04-19 Wireless Navitas Ltd Actuation mechanism for a controller of a wireless electric switch system

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