Patent FR1097203A successfully refreshed from Google Patents.
Patent US3190414A successfully refreshed from Google Patents.
US3190414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination motor-transmission-brake
Assignee: Recon Optical Inc
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Filing: 1963-02-21
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Granted: 1965-06-22
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 John A Maurer
- 👤 Eugene W Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:07
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; H; H02; H02K; H02K7/00; H02K7/10; H02K7/102; H02K7/1021; H02K7/1023; H02K7/1025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN IMPROVED ELECTRICALLY ACTUATED TRANSMISSION-BRAKE COMPRISING A HOUSING, A SHAFT SUPPORTED FOR ROTATION IN SAID HOUSING AND EXTENDING THEREFROM, A BRAKE RING MEANS SECURED TO SAID FIRST SHAFT AND CONCENTRIC THEREABOUT, PLANETARY GEAR MEANS COMPRISING A PLANET CARRIER, A RING GEAR AND A SUN GEAR, AND HAVING ITS PLANET CARRIER SECURED TO SAID SHAFT, ITS RING GEAR AXIALLY SLIDEABLE UPON THE PLANET GEARS CARRIED BY THE PLANET CARRIER, AND ITS SUN GEAR CENTERED BETWEEN THE PLANET GEARS AND IN ENGAGEMENT THEREWITH, FIRST RING SHAPED ELECTROMAGNET MEANS SECURED IN SAID HOUSING IN CLOSE PROXIMITY TO SAID RING GEAR, SAID FIRST RING SHAPED ELECTROMAGNET MEANS BEING ADAPTED WHEN ENERGIZED TO ATTRACT SAID RING GEAR AND BY FRICTIONAL ENGAGEMENT THEREWITH TO PREVENT THE ROTATION OF SAID RING GEAR, AND SECOND RING SHAPED ELECTROMAGNET MEANS SECURED IN SAID HOUSING IN CLOSE PROXIMITY TO SAID BRAKE RING MEANS, SAID SECOND RING SHAPED ELECTROMAGNET MEANS BEING ADAPTED WHEN ENERGIZED TO ATTRACT SAID BRAKE RING AND BY FRICTIONAL ENGAGEMENT THEREWITH TO RETARD THE ROTATION OF SAID SHAFT.
Claim 2
Dependent Claim
170 words
AN IMPROVED ELECTRICALLY ACTUATED TRANSMISSION-BRAKE COMPRISING A HOUSING, A SHAFT SUPPORTED FOR ROTATION IN SAID HOUSING AND EXTENDING THEREFROM, A BRAKE RING MEANS SECURED TO SAID FIRST SHAFT AND CONCENTRIC THEREABOUT, PLANETARY GEAR MEANS COMPRISING A PLANET CARRIER, A RING GEAR AND A SUN GEAR, AND HAVING ITS PLANET CARRIER SECURED TO SAID SHAFT, ITS RING GEAR AXIALLY SLIDEABLE UPON THE PLANET GEARS CARRIED BY THE PLANET CARRIER, AND ITS SUN GEAR CENTERED BETWEEN THE PLANET GEARS AND IN ENGAGEMENT THEREWITH, FIRST RING SHAPED ELECTROMAGNET MEANS SECURED IN SAID HOUSING IN CLOSE PROXIMITY TO SAID RING GEAR, SAID FIRST RING SHAPED ELECTROMAGNET MEANS BEING ADAPTED WHEN ENERGIZED TO ATTRACT SAID RING GEAR AND BY FRICTIONAL ENGAGEMENT THEREWITH TO PREVENT THE ROTATION OF SAID RING GEAR, AND SECOND RING SHAPED ELECTROMAGNET MEANS SECURED IN SAID HOUSING IN CLOSE PROXIMITY TO SAID BRAKE RING MEANS, SAID SECOND RING SHAPED ELECTROMAGNET MEANS BEING ADAPTED WHEN ENERGIZED TO ATTRACT SAID BRAKE RING AND BY FRICTIONAL ENGAGEMENT THEREWITH TO RETARD THE ROTATION OF SAID SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |