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US3234803A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring operator means

Assignee: ABB Inc USA
•
Filing: 1963-06-24
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Granted: 1966-02-15
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Expires: 1983-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur S Caswell
  • 👤 Sigurd O Rodeseike

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:16
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 287 words
SPRING OPERATOR MEANS FOR OPERATING LOAD INTERRUPTER SWITCHES AND THE LIKE COMPRISING COMPRESSIBLE SPRING MEANS HAVING A FIRST END THEREOF RESTRAINED FROM LINEAR MOVEMENT; A FIRST SHAFT; LEVER MEANS PIVOTALLY LINKED TO THE SECOND END OF SAID SPRING MEANS; SAID LEVER MEANS BEING MOUNTED TO SAID SHAFT FOR RELATIVE ROTATION THEREWITH; A SECOND SHAFT MOUNTED TO ROTATE INDEPENDENTLY OF SAID FIRST SHAFT; CAM MEANS MOUNTED TO SAID SECOND SHAFT; SAID LEVER MEANS HAVING A FIRST AND SECOND PIN MOUNTED THERETO EXTENDING IN THE DIRECTION OF SAID CAM MEANS; MEANS FOR DRIVING A LOAD INTERRUPTER SWITCH BETWEEN ITS CONNECTED AND DISCONNECTED POSITION BEING LINKED TO SAID CAM MEANS; THE ROTATION OF SAID LEVER MEANS CAUSING SAID COMPRESSIBLE SPRING MEANS TO COMPRESSED AND THEREBY CHARGED UNTIL SAID LEVER MEANS REACHES A DEAD CENTER POSITION; SAID COMPRESSIBLE SPRING MEANS WHEN FULLY CHARGED BEING ADAPTED TO RAPIDLY ROTATE SAID LEVER MEANS WHEN SAID LEVER MEANS PASSES SAID DEAD CENTER POSITION; SAID FIRST PIN BEING POSITIONED TO ROTATE SAID CAM MEANS AND DRIVE SAID DRIVING MEANS DURING THE DISCHARGING OPERATION; A SPROCKET WHEEL CONNECTED TO SAID LEVER MEANS; MANUAL CHARGING MEANS INCLUDING A CHAIN DRIVE CONNECTED TO SAID SPROCKET WHEEL FOR ROTATING SAID LEVER MEANS TO CHARGE SAID COMPRESSIBLE SPRING MEANS; SECOND CHARGING MEANS COMPRISING MOTOR OPERATED MEANS AND SECOND CAM MEANS MOUNTED ON SAID FIRST SHAFT TO ROTATE INDEPENDENTLY OF SAID LEVER MEANS IN RESPONSE TO ACTUATION OF SAID MOTOR OPERATED MEANS; SAID SECOND CAM MEANS HAVING FIRST AND SECOND CAM SURFACES SELECTIVELY ENGAGEABLE WITH SAID SECOND PIN FOR ROTATING SAID LEVER MEANS AND CHARGING SAID COMPRESSIBLE SPRING MEANS; SAID SECOND CHARGING MEANS PROVIDING A SECOND MANNER OF CHARGING SAID COMPRESSIBLE SPRING MEANS WHICH IS INDEPENDENT OF SAID MANUAL CHARGING MEANS.
Claim 2
Dependent Claim 287 words
SPRING OPERATOR MEANS FOR OPERATING LOAD INTERRUPTER SWITCHES AND THE LIKE COMPRISING COMPRESSIBLE SPRING MEANS HAVING A FIRST END THEREOF RESTRAINED FROM LINEAR MOVEMENT; A FIRST SHAFT; LEVER MEANS PIVOTALLY LINKED TO THE SECOND END OF SAID SPRING MEANS; SAID LEVER MEANS BEING MOUNTED TO SAID SHAFT FOR RELATIVE ROTATION THEREWITH; A SECOND SHAFT MOUNTED TO ROTATE INDEPENDENTLY OF SAID FIRST SHAFT; CAM MEANS MOUNTED TO SAID SECOND SHAFT; SAID LEVER MEANS HAVING A FIRST AND SECOND PIN MOUNTED THERETO EXTENDING IN THE DIRECTION OF SAID CAM MEANS; MEANS FOR DRIVING A LOAD INTERRUPTER SWITCH BETWEEN ITS CONNECTED AND DISCONNECTED POSITION BEING LINKED TO SAID CAM MEANS; THE ROTATION OF SAID LEVER MEANS CAUSING SAID COMPRESSIBLE SPRING MEANS TO COMPRESSED AND THEREBY CHARGED UNTIL SAID LEVER MEANS REACHES A DEAD CENTER POSITION; SAID COMPRESSIBLE SPRING MEANS WHEN FULLY CHARGED BEING ADAPTED TO RAPIDLY ROTATE SAID LEVER MEANS WHEN SAID LEVER MEANS PASSES SAID DEAD CENTER POSITION; SAID FIRST PIN BEING POSITIONED TO ROTATE SAID CAM MEANS AND DRIVE SAID DRIVING MEANS DURING THE DISCHARGING OPERATION; A SPROCKET WHEEL CONNECTED TO SAID LEVER MEANS; MANUAL CHARGING MEANS INCLUDING A CHAIN DRIVE CONNECTED TO SAID SPROCKET WHEEL FOR ROTATING SAID LEVER MEANS TO CHARGE SAID COMPRESSIBLE SPRING MEANS; SECOND CHARGING MEANS COMPRISING MOTOR OPERATED MEANS AND SECOND CAM MEANS MOUNTED ON SAID FIRST SHAFT TO ROTATE INDEPENDENTLY OF SAID LEVER MEANS IN RESPONSE TO ACTUATION OF SAID MOTOR OPERATED MEANS; SAID SECOND CAM MEANS HAVING FIRST AND SECOND CAM SURFACES SELECTIVELY ENGAGEABLE WITH SAID SECOND PIN FOR ROTATING SAID LEVER MEANS AND CHARGING SAID COMPRESSIBLE SPRING MEANS; SAID SECOND CHARGING MEANS PROVIDING A SECOND MANNER OF CHARGING SAID COMPRESSIBLE SPRING MEANS WHICH IS INDEPENDENT OF SAID MANUAL CHARGING MEANS.

References Cited (Backward Citations)

US1208863A Cited
US1393111A Cited
US1444556A Cited
US1835982A Cited
US2174969A Cited
US2995043A Cited
US3064484A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-14 1969-08-16 1970-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-14 1973-08-16 1974-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-14 1977-08-16 1978-02-15 $7700.00 Window Closed / Lapsed

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