Patent US3374692A successfully refreshed from Google Patents.
US3374692A
Expired / Lapsed
US
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Automatic transmission
Assignee: BENJAMIN M KITCH
•
Filing: 1964-10-12
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Granted: 1968-03-26
•
Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin M Kitch
- 👤 David M Kitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:53
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16D; F16D67/00; Y; Y10; Y10S; Y10S475/00; Y10S475/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
259 words
AN AUTOMATIC TRANSMISSION COMPRISING A CRANKSHAFT CONNECTING TO A POWER SOURCE, A ROTATABLE DRUM CONNECTING TO SAID CRANKSHAFT, A FLUID COUPLING DISPOSED WITHIN SAID ROTATABLE DRUM HAVING A DRIVE PORTION AND A DRIVEN PORTION, SAID DRIVE PORTION CONNECTING TO AND ROTATING SIMULTANEOUSLY WITH SAID CRANKSHAFT, AN INNER DRUM DISPOSED WITHIN SAID ROTATABLE DRUM, SAID INNER DRUM CONNECTING TO AND ROTATBLE SIMULTANEOUSLY WITH SAID DRIVEN PORTION OF SAID FLUID COUPLING, A ROTATABLE SHAFT SECURED TO SAID DRIVE PORTION OF SAID FLUID COUPLING AND HAVING A DRIVE GEAR DISPOSED THEREON WITHIN SAID INNER DRUM, A DRIVEN GEAR DISPOSED WITHIN SAID INNER DRUM ON AN INTERMEDIATE AXLE, A PLURALITY OF AXLES POSITIONED WITHIN SAID INNER DRUM, EACH AXLE HAVING A GEAR DISPOSED THEREON IN CLUSTER ARRANGEMENT WITH SAID DRIVE GEAR AND SAID DRIVEN GEAR, SAID INTERMEDIATE AXLE ALSO HAVING A FIRST AND A SECOND GEAR DISPOSED THEREON, A PLATE MEMBER ENCIRCLING SAID INTERMEDIATE AXLE AND HAVING A PLURALITY OF GEARS ROTATABLY DISPOSED THEREON IN OPERATIONAL RELATIONSHIP WITH SAID SECOND GEAR, SAID PLATE MEMBER HAVING A GEARED OUTER SURFACE, A DRIVE SHAFT HAVING A DRUM SECURED THERETO IN OPERATIONAL RELATIONSHIP WITH SAID SECOND GEAR, SAID DRUM HAVING A GEARED OUTER SURFACE, A FIXED MEMBER HAVING A GEARED INNER SURFACE, AND CLUTCH-BRAKE MEANS INCLUDING A SLIDABLE OPERATING MEMBER WHICH SELECTIVELY CONNECTS THE SAID FIRST GEAR AND THE SAID PLATE MEMBER, THE SAID PLATE MEMBER AND THE SAID INNER SURFACE OF SAID FIXED MEMBER, AND THE SAID OUTER SURFACE OF SAID DRUM, THE SAID PLATE MEMBER AND THE SAID INNER SURFACE OF SAID FIXED MEMBER.
Claim 2
Dependent Claim
259 words
AN AUTOMATIC TRANSMISSION COMPRISING A CRANKSHAFT CONNECTING TO A POWER SOURCE, A ROTATABLE DRUM CONNECTING TO SAID CRANKSHAFT, A FLUID COUPLING DISPOSED WITHIN SAID ROTATABLE DRUM HAVING A DRIVE PORTION AND A DRIVEN PORTION, SAID DRIVE PORTION CONNECTING TO AND ROTATING SIMULTANEOUSLY WITH SAID CRANKSHAFT, AN INNER DRUM DISPOSED WITHIN SAID ROTATABLE DRUM, SAID INNER DRUM CONNECTING TO AND ROTATBLE SIMULTANEOUSLY WITH SAID DRIVEN PORTION OF SAID FLUID COUPLING, A ROTATABLE SHAFT SECURED TO SAID DRIVE PORTION OF SAID FLUID COUPLING AND HAVING A DRIVE GEAR DISPOSED THEREON WITHIN SAID INNER DRUM, A DRIVEN GEAR DISPOSED WITHIN SAID INNER DRUM ON AN INTERMEDIATE AXLE, A PLURALITY OF AXLES POSITIONED WITHIN SAID INNER DRUM, EACH AXLE HAVING A GEAR DISPOSED THEREON IN CLUSTER ARRANGEMENT WITH SAID DRIVE GEAR AND SAID DRIVEN GEAR, SAID INTERMEDIATE AXLE ALSO HAVING A FIRST AND A SECOND GEAR DISPOSED THEREON, A PLATE MEMBER ENCIRCLING SAID INTERMEDIATE AXLE AND HAVING A PLURALITY OF GEARS ROTATABLY DISPOSED THEREON IN OPERATIONAL RELATIONSHIP WITH SAID SECOND GEAR, SAID PLATE MEMBER HAVING A GEARED OUTER SURFACE, A DRIVE SHAFT HAVING A DRUM SECURED THERETO IN OPERATIONAL RELATIONSHIP WITH SAID SECOND GEAR, SAID DRUM HAVING A GEARED OUTER SURFACE, A FIXED MEMBER HAVING A GEARED INNER SURFACE, AND CLUTCH-BRAKE MEANS INCLUDING A SLIDABLE OPERATING MEMBER WHICH SELECTIVELY CONNECTS THE SAID FIRST GEAR AND THE SAID PLATE MEMBER, THE SAID PLATE MEMBER AND THE SAID INNER SURFACE OF SAID FIXED MEMBER, AND THE SAID OUTER SURFACE OF SAID DRUM, THE SAID PLATE MEMBER AND THE SAID INNER SURFACE OF SAID FIXED MEMBER.
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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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |