GB804980A - Improvements in or relating to multiple contact switches - Google Patents

Improvements in or relating to multiple contact switches

Info

Publication number
GB804980A
GB804980A GB29690/56A GB2969056A GB804980A GB 804980 A GB804980 A GB 804980A GB 29690/56 A GB29690/56 A GB 29690/56A GB 2969056 A GB2969056 A GB 2969056A GB 804980 A GB804980 A GB 804980A
Authority
GB
United Kingdom
Prior art keywords
switches
relating
multiple contact
contact switches
bar
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
GB29690/56A
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 GB804980A publication Critical patent/GB804980A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)
  • Tumbler Switches (AREA)

Abstract

804,980. Cross-bar switches. STANDARD TELEPHONES & CABLES Ltd. Sept. 28, 1956 [Oct. 4, 1955], No. 29690/56. Addition to 781,553. Class 40 (4). Two cross-bar switches, as described in parent Specification, are mounted back to-back and have common selector bars 9 with selector magnets 48 and 49 mounted between the switches such that each selector bar operates selecting fingers in both switches simultaneously. Specification 804,979 is referred to.
GB29690/56A 1955-10-04 1956-09-28 Improvements in or relating to multiple contact switches Expired GB804980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US538406A US2964591A (en) 1955-10-04 1955-10-04 Coordinate switching system

Publications (1)

Publication Number Publication Date
GB804980A true GB804980A (en) 1958-11-26

Family

ID=24146811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29690/56A Expired GB804980A (en) 1955-10-04 1956-09-28 Improvements in or relating to multiple contact switches

Country Status (6)

Country Link
US (1) US2964591A (en)
BE (1) BE551513A (en)
CH (1) CH343459A (en)
ES (1) ES226167A1 (en)
FR (1) FR72203E (en)
GB (1) GB804980A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196223A (en) * 1960-12-06 1965-07-20 Robert E Hartsock Selector switch with scanning motion translation means
US5289765A (en) * 1992-12-09 1994-03-01 Gray Ronald D Device with flexible elongate member for binding and toting tree trimmings and the like

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516772A (en) * 1948-04-10 1950-07-25 Bell Telephone Labor Inc Cross-wire switch
US2615095A (en) * 1950-02-16 1952-10-21 Automatic Elect Lab Switching apparatus
BE506582A (en) * 1950-10-23

Also Published As

Publication number Publication date
FR72203E (en) 1960-03-30
US2964591A (en) 1960-12-13
CH343459A (en) 1959-12-31
BE551513A (en)
ES226167A1 (en) 1956-04-01

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