US3294187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical drive for tracked vehicles
Assignee: Individual
•
Filing: 1964-01-17
•
Granted: 1966-12-27
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ruf Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:47
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A MECHANICAL DRIVE DEVICE FOR TRACKED VEHICLES HAVING AT LEAST TWO TRACKS COMPRISING A VEHICLE ENGINE, A CLUTCH DRIVEN BY SAID VEHICLE ENGINE, A STEPPED TRANSMISSION UNIT DRIVEN BY SAID CLUTCH, STEERING GEAR MEANS, A STEERING GEAR MEANS INPUT SHAFT DRIVEN BY SAID STEPPED TRANSMISSION UNIT, TWO PLANETARY GEAR MEANS, TWO STEERING GEAR OUTPUT SHAFTS WHICH CONNECTS THE STEERING GEAR MEANS WITH THE PLANETARY GEAR MEANS RESPECTIVELY, FOUR COAXIALLY ARRANGED COUPLING MEMBERS IN SAID STEERING GEAR, TWO OF SAID COUPLING MEMBERS BEING OUTPUT COUPLING MEMBERS AND BEING POSITIVELY CONNECTED WITH THE STEERING OUTPUT SHAFTS RESPECTIVELY, THE OTHER TWO OF SAID COUPLING MEMBERS BEING INPUT COUPLING MEMBERS AND BEING DRIVEN IN OPPOSITE DIRECTIONS BY SAID STEERING GEAR INPUT SHAFT, CONNECTING MEANS COAXIALLY ARRANGED WITH SAID COUPLING MEMBERS AND AXIALLY DISPLACEABLE INTO DIFFERENT POSITIONS, WHEREBY IN A FIRST POSITION ONE OF THE INPUT COUPLING MEMBERS IS CONNECTED WITH BOTH OUTPUT COUPLING MEMBERS FOR DRIVING THEM IN THE SAME DIRECTION, IN A SECOND POSITION THE OTHER OF THE INPUT COUPLING MEMBERS IN CONNECTED WITH BOTH OUTPUT COUPLING MEMBERS FOR DRIVING
Claim 2
Dependent Claim
177 words
A MECHANICAL DRIVE DEVICE FOR TRACKED VEHICLES HAVING AT LEAST TWO TRACKS COMPRISING A VEHICLE ENGINE, A CLUTCH DRIVEN BY SAID VEHICLE ENGINE, A STEPPED TRANSMISSION UNIT DRIVEN BY SAID CLUTCH, STEERING GEAR MEANS, A STEERING GEAR MEANS INPUT SHAFT DRIVEN BY SAID STEPPED TRANSMISSION UNIT, TWO PLANETARY GEAR MEANS, TWO STEERING GEAR OUTPUT SHAFTS WHICH CONNECTS THE STEERING GEAR MEANS WITH THE PLANETARY GEAR MEANS RESPECTIVELY, FOUR COAXIALLY ARRANGED COUPLING MEMBERS IN SAID STEERING GEAR, TWO OF SAID COUPLING MEMBERS BEING OUTPUT COUPLING MEMBERS AND BEING POSITIVELY CONNECTED WITH THE STEERING OUTPUT SHAFTS RESPECTIVELY, THE OTHER TWO OF SAID COUPLING MEMBERS BEING INPUT COUPLING MEMBERS AND BEING DRIVEN IN OPPOSITE DIRECTIONS BY SAID STEERING GEAR INPUT SHAFT, CONNECTING MEANS COAXIALLY ARRANGED WITH SAID COUPLING MEMBERS AND AXIALLY DISPLACEABLE INTO DIFFERENT POSITIONS, WHEREBY IN A FIRST POSITION ONE OF THE INPUT COUPLING MEMBERS IS CONNECTED WITH BOTH OUTPUT COUPLING MEMBERS FOR DRIVING THEM IN THE SAME DIRECTION, IN A SECOND POSITION THE OTHER OF THE INPUT COUPLING MEMBERS IN CONNECTED WITH BOTH OUTPUT COUPLING MEMBERS FOR DRIVING
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |