GB592519A - Telephone switching key - Google Patents

Telephone switching key

Info

Publication number
GB592519A
GB592519A GB8640/45A GB864045A GB592519A GB 592519 A GB592519 A GB 592519A GB 8640/45 A GB8640/45 A GB 8640/45A GB 864045 A GB864045 A GB 864045A GB 592519 A GB592519 A GB 592519A
Authority
GB
United Kingdom
Prior art keywords
pin
holes
cam
stroke
key
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
GB8640/45A
Other languages
English (en)
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
Publication of GB592519A publication Critical patent/GB592519A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details

Landscapes

  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)
GB8640/45A 1944-05-06 1945-04-07 Telephone switching key Expired GB592519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US534420A US2410062A (en) 1944-05-06 1944-05-06 Telephone key

Publications (1)

Publication Number Publication Date
GB592519A true GB592519A (en) 1947-09-19

Family

ID=24129945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8640/45A Expired GB592519A (en) 1944-05-06 1945-04-07 Telephone switching key

Country Status (4)

Country Link
US (1) US2410062A (en:Method)
BE (1) BE475396A (en:Method)
FR (1) FR928660A (en:Method)
GB (1) GB592519A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541336A (en) * 1948-08-23 1951-02-13 Automatic Elect Lab Secretary's answering key cabinet
US2560324A (en) * 1948-10-09 1951-07-10 Standard Telephones Cables Ltd Switching key with roller actuating means
BE534383A (en:Method) * 1953-12-24

Also Published As

Publication number Publication date
BE475396A (en:Method)
US2410062A (en) 1946-10-29
FR928660A (fr) 1947-12-04

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