GB143492A - Improvements in and relating to switches for electric installations - Google Patents

Improvements in and relating to switches for electric installations

Info

Publication number
GB143492A
GB143492A GB30270/19A GB3027019A GB143492A GB 143492 A GB143492 A GB 143492A GB 30270/19 A GB30270/19 A GB 30270/19A GB 3027019 A GB3027019 A GB 3027019A GB 143492 A GB143492 A GB 143492A
Authority
GB
United Kingdom
Prior art keywords
pieces
contact
switches
bridgepiece
relating
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
GB30270/19A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB143492A publication Critical patent/GB143492A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0009—Horizontal tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • 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
    • H01H19/02—Details
    • H01H19/08—Bases; Stationary contacts mounted thereon

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Push-Button Switches (AREA)
  • Clamps And Clips (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

143,492. Graf, A. May 16, 1919, [Convention date]. Switches, quickaction, have a number ot contact-pieces 2 embedded in grooves or slots in an insulating - base 1, e,ach of the contactpieces being bored with a hole to receive a conducting wire 3, and a spring- pressed metal bridgepiece 5 adapted to connect the contact-pieces in pairs as desired. The wires are scoured in position by a clamping-ring 4. The bridgepiece is mounted on a square portion of a spindle 6 provided with an operating-handle 7, which, in the form shown, serves to maintain the cover 8 in position. In a modification, the cover is secured to the clamping-ring 4 which is screw-threaded for this purpose. The upper surfaces of the contact-pieces 2 are grooved, the co-operating part of the bridge-piece being pressed into the grooves by a spring 9.
GB30270/19A 1919-05-16 1919-12-03 Improvements in and relating to switches for electric installations Expired GB143492A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE321944T 1919-05-16
US341227A US1392324A (en) 1919-05-16 1919-11-28 Switch for electric circuits

Publications (1)

Publication Number Publication Date
GB143492A true GB143492A (en) 1920-10-28

Family

ID=37990285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30270/19A Expired GB143492A (en) 1919-05-16 1919-12-03 Improvements in and relating to switches for electric installations

Country Status (5)

Country Link
US (1) US1392324A (en)
DE (1) DE321944C (en)
FR (1) FR506011A (en)
GB (1) GB143492A (en)
NL (1) NL12857B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206332A (en) * 1977-05-09 1980-06-03 Tektronix, Inc. Coaxial switch
JPS5738892Y2 (en) * 1977-06-28 1982-08-27

Also Published As

Publication number Publication date
FR506011A (en) 1920-08-12
DE321944C (en) 1920-06-15
NL12857B (en)
US1392324A (en) 1921-10-04

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