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US3857631A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric adjusting means for azimuth and elevation adjustment

Assignee: Renold Power Transmission Ltd
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Filing: 1971-09-30
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Granted: 1974-12-31
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Expires: 1991-09-30
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Abstract

Abstract 1. AN ADJUSTING MEANS FOR AZIMUTH AND ELEVATION ADJUSTMENT OF A MIRROR TO BE ADJUSTED COMPRISING A HOLLOW SUPPORT, A UNIVERSAL JOINT CONNECTED TO SAID SUPPORT AND TO THE MIRROR TO BE ADJUSTED, ONE SINGLE REVERSIBLE ELECTRIC MOTOR MOUNTED IN SAID SUPPORT HAVING A SHAFT, TWO PLANETARY TRANSMISSION MEANS EACH HAVING A SUN PINION WHEEL AND PLANET WHEELS MESHING WITH SAID SUN WHEEL, THE SUN WHEELS OF SAID PLANETARY TRANSMISSION MEANS BEING DISPOSED COAXIALLY WITH SAID MOTOR AXIS, AN ELECTROMAGNETICALLY CONTROLLED COUPLING WHEREBY SAID SHAFT MAY OPTIONALLY BE COUPLED WITH ONE OF SAID TWO PINION SUN WHEELS BY SAID ELECTROMAGNETICALLY CONTROLLED COUPLING, SAID TRANSMISSION MEANS BEING CAPABLE OF ACTING ON SAID UNIVERSAL JOINT TO BRING ABOUT A ROTATION AROUND TWO DIFFERENT AXES, EACH ONE OF SAID TRANSMISSION MEANS COMPRISING A PULLEY, A FIRST AND A SECOND STRING BEING LAID LOOSELY IN A LOOP AROUND SAID FIRST AND SECOND PULLEY RESPECTIVELY, THE EXTREMITIES OF SAID STRINGS EACH BEING FIXED IN TWO OPPOSITE POINTS OF SAID MIRROR TO BE ADJUSTED, THE LINE CONNECTING THE FIXING POINTS OF SAID FIRST STRING BEING SUBSTANTIALLY PERPENDICULAR TO THE LINE CONNECTING THE FIXING POINTS OF THE SAID SECOND STRING, AND GUIDING MEANS FOR GUIDING SAID STRINGS FROM SAID PULLEYS TOWARDS THE RESPECTIVE FIXING POINTS OF SAID MIRROR.

Inventors

  • 👤 D Morgenstern
  • 👤 A Cole
  • 👤 S Morgenstern
  • 👤 H Chatmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:24
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/06; B60R1/062; B60R1/07; B60R1/072; G; G02; G02B; G02B7/00; G02B7/003; G02B7/005; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20432

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-30 1978-07-01 1978-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-30 1982-07-01 1982-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-30 1986-07-01 1986-12-31 $7700.00 Window Closed / Lapsed

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