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US3333482A Expired / Lapsed US ⏱️ 0.0 years remaining

Gear drive with plurality of equal gears connecting coaxial drive and driven gears

Assignee: Individual
•
Filing: 1965-03-11
•
Granted: 1967-08-01
•
Expires: 1985-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Wildhaber Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:40
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H1/2836; F16H1/02; F16H1/20; F16H1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19642; Y10T74/19679; Y10T74/19684; Y10T74/19949; Y10T74/19953

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 149 words
A GEAR DRIVE FOR TRANSMITTING POWER BETWEEN A MOTOR AND A POWER CONSUMER REQUIRING HERMETIC SEALING, SAID MOTOR HAVING A HOLLOW SPINDLE, COMPRISING A SHAFT EXTENDING THROUGH SAID HOLLOW SPINDLE, AN INTERNAL GEAR RIGID WITH SAID SHAFT AND DISPOSED AT ONE END THEREOF, SAID SHAFT BEING CONNECTED TO SAID SPINDLE AT ITS OPPOSITE END AND BEING WITHOUT SUPPORT BETWEEN SAID CONNECTION AND SAID INTERNAL GEAR, AN EXTERNAL GEAR COAXIAL WITH SAID INTERNAL GEAR, A STATIONARY MEMBER, AND A PLURALITY OF ANGULARLY-SPACED, INTERMEDIATE GEARS ROTATABLY MOUNTED IN SAID STATIONARY MEMBER, EACH MESHING WITH BOTH SAID COAXIAL GEARS TO SHARE THE LOAD TRANSMITTED BETWEEN SAID COAXIAL GEARS, A POWER CONSUMER CONTAINING A ROTARY ELEMENT, A HERMETICALLY SEALED HOUSING SURROUNDING ONLY SAID POWER CONSUMER, AND A MAGNET CONNECTED WITH SAID EXTERNAL GEAR, SAID MAGNETIC FORMING A MAGNETIC CIRCUIT WITH A MAGNETIZED PART RIGID WITH SAID ELEMENT, TO TRANSMIT MOTION THROUGH SAID HOUSING.
Claim 2
Dependent Claim 149 words
A GEAR DRIVE FOR TRANSMITTING POWER BETWEEN A MOTOR AND A POWER CONSUMER REQUIRING HERMETIC SEALING, SAID MOTOR HAVING A HOLLOW SPINDLE, COMPRISING A SHAFT EXTENDING THROUGH SAID HOLLOW SPINDLE, AN INTERNAL GEAR RIGID WITH SAID SHAFT AND DISPOSED AT ONE END THEREOF, SAID SHAFT BEING CONNECTED TO SAID SPINDLE AT ITS OPPOSITE END AND BEING WITHOUT SUPPORT BETWEEN SAID CONNECTION AND SAID INTERNAL GEAR, AN EXTERNAL GEAR COAXIAL WITH SAID INTERNAL GEAR, A STATIONARY MEMBER, AND A PLURALITY OF ANGULARLY-SPACED, INTERMEDIATE GEARS ROTATABLY MOUNTED IN SAID STATIONARY MEMBER, EACH MESHING WITH BOTH SAID COAXIAL GEARS TO SHARE THE LOAD TRANSMITTED BETWEEN SAID COAXIAL GEARS, A POWER CONSUMER CONTAINING A ROTARY ELEMENT, A HERMETICALLY SEALED HOUSING SURROUNDING ONLY SAID POWER CONSUMER, AND A MAGNET CONNECTED WITH SAID EXTERNAL GEAR, SAID MAGNETIC FORMING A MAGNETIC CIRCUIT WITH A MAGNETIZED PART RIGID WITH SAID ELEMENT, TO TRANSMIT MOTION THROUGH SAID HOUSING.

References Cited (Backward Citations)

US650837A Cited
US1849596A Cited
US2408336A Cited
US2591734A Cited
US3090258A Cited
US3080775A Cited
US3085407A Cited
US3257869A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-31 1971-01-30 1971-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-31 1975-01-30 1975-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-31 1979-01-30 1979-08-01 $7700.00 Window Closed / Lapsed

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