US3248971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant mesh transmission and hydraulic actuating circuit therefor
Assignee: Consolidation Coal Co
•
Filing: 1963-03-01
•
Granted: 1966-05-03
•
Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
- 👤 Arthur B Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:03
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H61/00; F16H61/02; F16H61/0262; F16H2708/00; F16H2708/02; F16H2708/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19158; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19405; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A TRANSMISSION MECHANISM HAVING A PLURALITY OF SPEEDS IN BOTH DIRECTIONS THE COMBINATION COMPRISING A TRANSMISSION HOUSING, FOUR COUNTERSHAFTS ARRANGED IN PARALLEL SPACED RELATION TO EACH OTHER WITHIN SAID HOUSING AND ADAPTED TO ROTATE IN BOTH DIRECTIONS, CONSTANT MESH GEARING ARRANGED WITHIN SAID HOUSING, SAID GEARING INCLUDING SEPARATE DIRECTIONAL GEARS, SEPARATE CHANGE SPEED GEARS AND SEPARATE RANGE GEARS, SAID GEARING ARANGED COAXIALLY ON CERTAIN OF SAID SHAFTS, OUTPUT MEANS DRIVEN BY AN ELEMENT OF SAID TRANSMISSION, A PAIR OF DIRECTIONAL CLUTCHES, A PLURALITY OF CHANGE SPEED CLUTCHES, AND A PAIR OF RANGE CLUTCHES, SAID CLUTCHES ARRANGED COAXIALLY ON CERTAIN OF SAID SHAFTS, SAID DIRECTIONAL CLUTCHES ADAPTED UPON ENGAGEMENT TO REGULATE THE DIRECTION OF ROTATION OF A PAIR OF SAID COUNTERSHAFTS, SAID CHANGE SPEED CLUTCHES ADAPTED UPON SELECTIVE ENGAGEMENT TO TRANSMIT THE ROTATION OF
Claim 2
Dependent Claim
134 words
IN A TRANSMISSION MECHANISM HAVING A PLURALITY OF SPEEDS IN BOTH DIRECTIONS THE COMBINATION COMPRISING A TRANSMISSION HOUSING, FOUR COUNTERSHAFTS ARRANGED IN PARALLEL SPACED RELATION TO EACH OTHER WITHIN SAID HOUSING AND ADAPTED TO ROTATE IN BOTH DIRECTIONS, CONSTANT MESH GEARING ARRANGED WITHIN SAID HOUSING, SAID GEARING INCLUDING SEPARATE DIRECTIONAL GEARS, SEPARATE CHANGE SPEED GEARS AND SEPARATE RANGE GEARS, SAID GEARING ARANGED COAXIALLY ON CERTAIN OF SAID SHAFTS, OUTPUT MEANS DRIVEN BY AN ELEMENT OF SAID TRANSMISSION, A PAIR OF DIRECTIONAL CLUTCHES, A PLURALITY OF CHANGE SPEED CLUTCHES, AND A PAIR OF RANGE CLUTCHES, SAID CLUTCHES ARRANGED COAXIALLY ON CERTAIN OF SAID SHAFTS, SAID DIRECTIONAL CLUTCHES ADAPTED UPON ENGAGEMENT TO REGULATE THE DIRECTION OF ROTATION OF A PAIR OF SAID COUNTERSHAFTS, SAID CHANGE SPEED CLUTCHES ADAPTED UPON SELECTIVE ENGAGEMENT TO TRANSMIT THE ROTATION OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |