GB616731A - Improvements in and relating to snap action electric switches - Google Patents

Improvements in and relating to snap action electric switches

Info

Publication number
GB616731A
GB616731A GB2718046A GB2718046A GB616731A GB 616731 A GB616731 A GB 616731A GB 2718046 A GB2718046 A GB 2718046A GB 2718046 A GB2718046 A GB 2718046A GB 616731 A GB616731 A GB 616731A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
member
snap
spring
action
sept
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
GB2718046A
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

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/26Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/245Spring wire contacts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18888Reciprocating to or from oscillating
    • Y10T74/18896Snap action
    • Y10T74/18904Plate spring

Abstract

616,731. Snap-action switches. BRITISH THOMSON-HOUSTON CO., Ltd. Sept. 10. 1946, No. 27180. Convention date, Sept. 10, 1945. [Class 38 (v)] A snap action switch has a flat bowed spring 27, which is supported at its ends in a cupshaped member 20 and rests on two fulcrum points formed by an annular ridge 11 on an insulating base 10. When a push button 26, which can slide in a flanged aperture 25 formed in the member 20, is depressed, the spring 27 snaps over the dead centre position to close the resilient blade contacts 12, 13 and lift the member 20 until it abuts a flange 32. On depressing the member 20 the spring snaps back allowing the contacts to open and returning the push button 26 and member 20 to their initial .positions.
GB2718046A 1945-09-10 1946-09-10 Improvements in and relating to snap action electric switches Expired GB616731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA616731X 1945-09-10

Publications (1)

Publication Number Publication Date
GB616731A true true GB616731A (en) 1949-01-26

Family

ID=4171962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2718046A Expired GB616731A (en) 1945-09-10 1946-09-10 Improvements in and relating to snap action electric switches

Country Status (2)

Country Link
US (1) US2424527A (en)
GB (1) GB616731A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749859A (en) * 1972-04-19 1973-07-31 Colorado Instr Inc Keyboard switch assembly with improved hermetically sealed diaphragm contact structure
US5199557A (en) * 1988-01-28 1993-04-06 Mec A/S Method of producing an electric or electronic component, a method of producing a key and a key

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516236A (en) * 1946-10-21 1950-07-25 Metals & Controls Corp Snap switch and snap-acting element therefor
US2567421A (en) * 1947-01-30 1951-09-11 Bruno Martinuzzi Push-button switch
US2599437A (en) * 1948-09-24 1952-06-03 Chrysler Corp Switch
US2626999A (en) * 1950-03-07 1953-01-27 Frederick O Johnson Control device
US2652857A (en) * 1950-07-28 1953-09-22 Paul Engstrum Associates Inc Valve assembly
US2653198A (en) * 1952-01-22 1953-09-22 Westinghouse Electric Corp Electric switching device
US2770692A (en) * 1952-12-12 1956-11-13 Bell Telephone Labor Inc Snap switch
US2794890A (en) * 1953-11-13 1957-06-04 Lloyd E Taylor Push plate operated switch
DE1042071B (en) * 1956-03-13 1958-10-30 Siemens Ag snap switches
US3686601A (en) * 1970-07-06 1972-08-22 Workman Electronic Products In Circuit breaker switch
US4056700A (en) * 1976-01-19 1977-11-01 Western Digital Corporation Keyboard assembly momentary contact push button switch with tactile action
FR2495374B1 (en) * 1980-11-28 1983-09-09 Legrand Sa
US6293443B1 (en) * 2000-06-28 2001-09-25 Trg Accessories, Llc Foldable garment hanger for compactly storing garments when traveling
EP1237167A3 (en) * 2000-12-05 2004-08-18 Necati Kaya Push button switch for irreversibly closing an electric circuit and low voltage lighting unit or bottlelike houseware using the same
US7091952B2 (en) * 2001-05-03 2006-08-15 3M Innovative Properties Company Liquid proof switch array

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1939286A (en) * 1930-09-06 1933-12-12 Gen Plate Co Switch
US2170748A (en) * 1935-12-04 1939-08-22 Micro Switch Corp Snap switch
US2343060A (en) * 1941-09-25 1944-02-29 Gen Motors Corp Switch
US2381835A (en) * 1943-12-18 1945-08-07 Metals & Controls Corp Switch
US2409483A (en) * 1944-01-24 1946-10-15 Gen Motors Corp Electric switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749859A (en) * 1972-04-19 1973-07-31 Colorado Instr Inc Keyboard switch assembly with improved hermetically sealed diaphragm contact structure
US5199557A (en) * 1988-01-28 1993-04-06 Mec A/S Method of producing an electric or electronic component, a method of producing a key and a key

Also Published As

Publication number Publication date Type
US2424527A (en) 1947-07-22 grant

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