GB727487A - Improvements in press-button electric switches - Google Patents

Improvements in press-button electric switches

Info

Publication number
GB727487A
GB727487A GB1233852A GB1233852A GB727487A GB 727487 A GB727487 A GB 727487A GB 1233852 A GB1233852 A GB 1233852A GB 1233852 A GB1233852 A GB 1233852A GB 727487 A GB727487 A GB 727487A
Authority
GB
United Kingdom
Prior art keywords
plunger
posts
contacts
press
balls
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
GB1233852A
Inventor
Maurice Saxon-Snell
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.)
Dowty Equipment Ltd
Original Assignee
Dowty Equipment 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 Dowty Equipment Ltd filed Critical Dowty Equipment Ltd
Priority to GB1233852A priority Critical patent/GB727487A/en
Publication of GB727487A publication Critical patent/GB727487A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs

Landscapes

  • Tumbler Switches (AREA)
  • Slide Switches (AREA)
  • Switches With Compound Operations (AREA)

Abstract

727,487.. Press-button retractive switches. DOWTY EQUIPMENT, Ltd. May 14, 1953 [May 15, 1952], No. 12338/52. Class 38 (5). The two-part switch body 10, 11 carries four terminal posts 27 .. 30 each carrying concentric conducting and insulating rings 36, 35 which are spaced axially along the posts. A plunger 16 urged upwards by a spring 24 loosely carries bridging contacts 38, 39 which slide along the rings 36, 35 on axial movement of the plunger, thereby bridging pairs of the posts. The contacts 38, 39 are pressed inwards against the posts by blade springs 41 acting either through balls 40 or directly on extensions of the contacts. The plunger is located in its axial positions by spring pressed balls 47 which engage recesses 44, 45 in a sleeve 43 surrounding fixing bolts 12. The body is sealed by a gasket 14 between the parts 10, 11, by a washer 26 around the plunger, and by a moulding 49.
GB1233852A 1952-05-15 1952-05-15 Improvements in press-button electric switches Expired GB727487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1233852A GB727487A (en) 1952-05-15 1952-05-15 Improvements in press-button electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1233852A GB727487A (en) 1952-05-15 1952-05-15 Improvements in press-button electric switches

Publications (1)

Publication Number Publication Date
GB727487A true GB727487A (en) 1955-04-06

Family

ID=10002655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233852A Expired GB727487A (en) 1952-05-15 1952-05-15 Improvements in press-button electric switches

Country Status (1)

Country Link
GB (1) GB727487A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112159B (en) * 1959-04-09 1961-08-03 Standard Elektrik Lorenz Ag Pressure point button, especially for telephony devices
DE1539952B1 (en) * 1966-02-17 1970-01-29 Frieseke & Hoepfner Gmbh Portable battery-operated nuclear radiation measuring device with dial illumination
US4079220A (en) * 1976-03-10 1978-03-14 The Bendix Corporation Snap action switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112159B (en) * 1959-04-09 1961-08-03 Standard Elektrik Lorenz Ag Pressure point button, especially for telephony devices
DE1539952B1 (en) * 1966-02-17 1970-01-29 Frieseke & Hoepfner Gmbh Portable battery-operated nuclear radiation measuring device with dial illumination
US4079220A (en) * 1976-03-10 1978-03-14 The Bendix Corporation Snap action switch

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