CH49970A - Automatic electric open and close - Google Patents

Automatic electric open and close

Info

Publication number
CH49970A
CH49970A CH49970A CH49970DA CH49970A CH 49970 A CH49970 A CH 49970A CH 49970 A CH49970 A CH 49970A CH 49970D A CH49970D A CH 49970DA CH 49970 A CH49970 A CH 49970A
Authority
CH
Switzerland
Prior art keywords
close
automatic electric
electric open
open
automatic
Prior art date
Application number
CH49970A
Other languages
French (fr)
Inventor
Z Societe Anonyme
Original Assignee
Z Sa
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 Z Sa filed Critical Z Sa
Publication of CH49970A publication Critical patent/CH49970A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action
    • H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
    • H01H43/307—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of gases
CH49970A 1910-10-13 1910-10-13 Automatic electric open and close CH49970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH49970T 1910-10-13

Publications (1)

Publication Number Publication Date
CH49970A true CH49970A (en) 1911-04-17

Family

ID=4286146

Family Applications (1)

Application Number Title Priority Date Filing Date
CH49970A CH49970A (en) 1910-10-13 1910-10-13 Automatic electric open and close

Country Status (1)

Country Link
CH (1) CH49970A (en)

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