CH384704A - Removable hand crank for tap changers of power transformers - Google Patents

Removable hand crank for tap changers of power transformers

Info

Publication number
CH384704A
CH384704A CH678661A CH678661A CH384704A CH 384704 A CH384704 A CH 384704A CH 678661 A CH678661 A CH 678661A CH 678661 A CH678661 A CH 678661A CH 384704 A CH384704 A CH 384704A
Authority
CH
Switzerland
Prior art keywords
hand crank
power transformers
tap changers
removable hand
removable
Prior art date
Application number
CH678661A
Other languages
German (de)
Inventor
Heinz Rudolf
Walter Berthold
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH384704A publication Critical patent/CH384704A/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/085—Crank handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
    • F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
    • F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
    • F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H3/10—Means for securing to shaft of driving mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/227—Interlocked hand- and power-operating mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Arc Welding Control (AREA)
CH678661A 1960-06-23 1961-06-09 Removable hand crank for tap changers of power transformers CH384704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0036409 1960-06-23

Publications (1)

Publication Number Publication Date
CH384704A true CH384704A (en) 1965-02-26

Family

ID=7267463

Family Applications (1)

Application Number Title Priority Date Filing Date
CH678661A CH384704A (en) 1960-06-23 1961-06-09 Removable hand crank for tap changers of power transformers

Country Status (2)

Country Link
CH (1) CH384704A (en)
GB (1) GB926396A (en)

Also Published As

Publication number Publication date
GB926396A (en) 1963-05-15

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