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US3564937A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical drive with angle power transmission

Assignee: Individual
•
Filing: 1968-10-25
•
Granted: 1971-02-23
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Expires: 1988-10-25
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Abstract

Abstract A MECHANICAL DRIVE WITH ANGLE POWER TRANSMISSION IN PROVIDED PRIMARILY FOR A HELICOPTER AND COMPRISES INPUT SHAFTS WHICH ARE RESPECTIVELY CONNECTED TO PAIRS OF COAXIAL SHAFTS SO AS TO DRIVE THE COAXIAL SHAFTS IN ROTATION. THE COAXIAL SHAFTS IN EACH OF THE PAIRS ARE LOCATED ONE INSIDE THE OTHER AND FIRST BEVEL GEAR WHEELS ARE SECURED TO THE COAXIAL SHAFTS. SECOND BEVEL GEAR WHEELS ARE SECURED TO THE WITH A RESPECTIVE FIRST BEVEL GEAR WHEEL. SPUR GEAR WHEELS FIXED TO THE SECOND BEVEL WHEELS MESH WITH A CENTER SPUR GEAR WHEEL, WHICH IS MOUNTED ON AN OUTPUT SHAFT. A DEVICE IS MOUNTED BETWEEN EACH INPUT SHAFT AND THE PAIR OF COAXIAL SHAFTS FOR EQUALIZING THE TORQUES TRANSMITTED BY THE COAXIAL SHAFTS.

Inventors

  • 👤 Pavel Alexandrovich Soloviev
  • 👤 Ivan Petrovich Evich
  • 👤 Georgy Petrovich Kalashnikov
  • 👤 Lev Izrailevich Kantor
  • 👤 Sergei Nikolaevich Zamotin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:02
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/04; B64C27/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014; Y10T74/19023; Y10T74/19051

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) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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