FR544155A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR544155A
FR544155A FR544155DA FR544155A FR 544155 A FR544155 A FR 544155A FR 544155D A FR544155D A FR 544155DA FR 544155 A FR544155 A FR 544155A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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
Other languages
French (fr)
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR544155A publication Critical patent/FR544155A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/06—Insulating body insertable between contacts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
FR544155D 1920-12-02 1921-12-02 Improvements to electrical switches Expired FR544155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427776A US1642027A (en) 1920-12-02 1920-12-02 Switch mechanism

Publications (1)

Publication Number Publication Date
FR544155A true FR544155A (en) 1922-09-15

Family

ID=23696229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR544155D Expired FR544155A (en) 1920-12-02 1921-12-02 Improvements to electrical switches

Country Status (2)

Country Link
US (1) US1642027A (en)
FR (1) FR544155A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7908736B2 (en) * 2007-11-21 2011-03-22 Black & Decker Inc. Method of making an armature

Also Published As

Publication number Publication date
US1642027A (en) 1927-09-13

Similar Documents

Publication Publication Date Title
FR574406A (en) Improvements to electrical switches
FR560298A (en) Improvements made to electrical switches
FR527864A (en) Improvements to electrical switches
FR560509A (en) Improvements to electrical switches
FR572211A (en) Improvements to electrical switches
FR540773A (en) Improvements to electrical switches
FR572619A (en) Improvements to electrical switches
FR547606A (en) Improvements to electrical switches
FR25330E (en) Improvements made to electrical switches
FR574190A (en) Improvements to electrical switches
FR573314A (en) Improvements to electrical switches
FR564635A (en) Improvements to electrical switches
FR575381A (en) Improvements to electrical switches
FR567014A (en) Improvements to electrical switches
FR522818A (en) Improvements to electrical switches
FR538849A (en) Improvements to electrical switches
FR511041A (en) Improvements to electrical switches
FR544155A (en) Improvements to electrical switches
FR544063A (en) Improvements made to electrical switches
FR27630E (en) Improvements made to electrical switches
FR536546A (en) Improvements to electrical switches
FR512909A (en) Improvements to electrical switches
FR21975E (en) Improvements made to electrical switches
FR26722E (en) Improvements to electrical switches
FR549394A (en) Improvements to electrical switches