GB2149470B - Actuator - Google Patents

Actuator

Info

Publication number
GB2149470B
GB2149470B GB08426495A GB8426495A GB2149470B GB 2149470 B GB2149470 B GB 2149470B GB 08426495 A GB08426495 A GB 08426495A GB 8426495 A GB8426495 A GB 8426495A GB 2149470 B GB2149470 B GB 2149470B
Authority
GB
United Kingdom
Prior art keywords
actuator
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
GB08426495A
Other versions
GB2149470A (en
GB8426495D0 (en
Inventor
George Alfred Hodkin
Brian Mckean
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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
Priority claimed from GB838329577A external-priority patent/GB8329577D0/en
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB08426495A priority Critical patent/GB2149470B/en
Publication of GB8426495D0 publication Critical patent/GB8426495D0/en
Publication of GB2149470A publication Critical patent/GB2149470A/en
Application granted granted Critical
Publication of GB2149470B publication Critical patent/GB2149470B/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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G7/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof
    • G05G7/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance
    • G05G7/04—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance altering the ratio of motion or force between controlling member and controlled member as a function of the position of the controlling member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB08426495A 1983-11-04 1984-10-19 Actuator Expired GB2149470B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08426495A GB2149470B (en) 1983-11-04 1984-10-19 Actuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838329577A GB8329577D0 (en) 1983-11-04 1983-11-04 Actuator
GB08426495A GB2149470B (en) 1983-11-04 1984-10-19 Actuator

Publications (3)

Publication Number Publication Date
GB8426495D0 GB8426495D0 (en) 1984-11-28
GB2149470A GB2149470A (en) 1985-06-12
GB2149470B true GB2149470B (en) 1986-10-29

Family

ID=26286978

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08426495A Expired GB2149470B (en) 1983-11-04 1984-10-19 Actuator

Country Status (1)

Country Link
GB (1) GB2149470B (en)

Also Published As

Publication number Publication date
GB2149470A (en) 1985-06-12
GB8426495D0 (en) 1984-11-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee