GB1518048A - Rotary electric switches - Google Patents

Rotary electric switches

Info

Publication number
GB1518048A
GB1518048A GB4380976A GB4380976A GB1518048A GB 1518048 A GB1518048 A GB 1518048A GB 4380976 A GB4380976 A GB 4380976A GB 4380976 A GB4380976 A GB 4380976A GB 1518048 A GB1518048 A GB 1518048A
Authority
GB
United Kingdom
Prior art keywords
rotary electric
electric switches
contacts
heading
oct
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
GB4380976A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB4380976A priority Critical patent/GB1518048A/en
Priority to DE19772745984 priority patent/DE2745984A1/en
Priority to DK466477A priority patent/DK466477A/en
Publication of GB1518048A publication Critical patent/GB1518048A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts
    • 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
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring

Landscapes

  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Telephone Set Structure (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)

Abstract

1518048 Contacts STANDARD TELEPHONES & CABLES Ltd 21 Oct 1976 43809/76 Addition to 1495880 Heading H1N In a rotary switch as claimed in Specification No. 1495,880 metal coil spring contacts 3, Fig. 2, engaged between the printed circuits comprise at least one complete spring turn and having ends 3a, 3b with curved ends 3d, 3e tangentially engaging the plane 3c of one printed circuit.
GB4380976A 1976-10-21 1976-10-21 Rotary electric switches Expired GB1518048A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4380976A GB1518048A (en) 1976-10-21 1976-10-21 Rotary electric switches
DE19772745984 DE2745984A1 (en) 1976-10-21 1977-10-13 ROTARY SWITCH
DK466477A DK466477A (en) 1976-10-21 1977-10-20 MULTI-EXCHANGE TURN SWITCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4380976A GB1518048A (en) 1976-10-21 1976-10-21 Rotary electric switches

Publications (1)

Publication Number Publication Date
GB1518048A true GB1518048A (en) 1978-07-19

Family

ID=10430389

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4380976A Expired GB1518048A (en) 1976-10-21 1976-10-21 Rotary electric switches

Country Status (3)

Country Link
DE (1) DE2745984A1 (en)
DK (1) DK466477A (en)
GB (1) GB1518048A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1151142A (en) * 1967-01-10 1969-05-07 Electronic Components Ltd Improvements in or relating to Electrical Switches
GB1495215A (en) * 1975-02-17 1977-12-14 Murata Manufacturing Co Electric switch assembly

Also Published As

Publication number Publication date
DE2745984C2 (en) 1987-02-05
DE2745984A1 (en) 1978-04-27
DK466477A (en) 1978-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee