FR325188A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR325188A
FR325188A FR325188DA FR325188A FR 325188 A FR325188 A FR 325188A FR 325188D A FR325188D A FR 325188DA FR 325188 A FR325188 A FR 325188A
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)
Inventor
Waterman Isaac George
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
Application granted granted Critical
Publication of FR325188A publication Critical patent/FR325188A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
    • H01H73/42—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by rotatable knob or wheel

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR325188D 1902-09-20 1902-09-20 Improvements to electrical switches Expired FR325188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR325188T 1902-09-20

Publications (1)

Publication Number Publication Date
FR325188A true FR325188A (en) 1903-04-21

Family

ID=1375364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR325188D Expired FR325188A (en) 1902-09-20 1902-09-20 Improvements to electrical switches

Country Status (1)

Country Link
FR (1) FR325188A (en)

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