US3080773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant mesh transmission and hydraulic actuating circuit therefor
Assignee: Consolidation Coal Co
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Filing: 1960-02-26
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Granted: 1963-03-12
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
- 👤 Arthur B Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19153; Y10T74/19219; Y10T74/19233; 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
297 words
THE COMBINATION COMPRISING A TRANSMISSION MECHANISM HAVING FOUR SPEEDS IN BOTH FORWARD AND REVERSE DIRECTION, SAID TRANSMISSION MECHANISM INCLUDING 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 INCLUDING A PAIR OF DIRECTIONAL GEARS, FOUR CONNECTING GEARS AND A PLURALITY OF CHANGE SPEED GEARS, A PAIR OF SAID CONNECTING GEARS SECURED TO AND ROTATABLE WITH A PAIR OF SAID COUNTERSHAFTS, AND OTHER PAIR OF CONNECTING GEARS COAXIALLY POSITIONED ON AND ROTATABLE RELATIVE TO SAID OTHER PAIR OF COUNTERSHAFTS, SAID CONNECTING GEARS ARRANGED IN DRIVING RELATION WITH EACH OTHER, A PAIR OF DIRECTIONAL CLUTCHES, AND FOUR CHANGE SPEED CLUTCHES, EACH OF SAID CLUTCHES OPERABLE TO BE ENGAGED WHEN PRESSURIZED FLUID IS CONDUCTED THERETO, SAID DIRECTIONAL CLUTCHES ADAPTED UPON SELECTIVE ENGAGEMENT TO TRANSMIT ROTATION OF SAID DIRECTIONAL GEARS TO SAID CONNECTING GEARS IN A PREDETERMINED DIRECTION, SAID CHANGE SPEED CLUTCHES ARRANGED UPON SELECTIVE ENGAGEMENT TO TRANSMIT ROTATION OF SAID CONNECTING GEARS TO ANOTHER OF SAID COUNTERSHAFTS AT A PREDETERMINED SELECTED SPEED, TWO OF SAID CHANGE SPEED CLUTCHES ARRANGED TO SELECTIVELY CONNECT SAID OTHER PAIR OF CONNECTING GEARS TO SAID RESPECTIVE COUNTERSHAFTS EXTENDING COAXIALLY THERETHROUGH, SAID GEARING INCLUDING A PAIR OF GEARS NONROTATABLY SECURED TO A PAIR OF SAID COUNTERSHAFTS AND MESHING WITH EACH OTHER TO DRIVINGLY CONNECT SAID COUNTERSHAFTS TO EACH OTHER, A SOURCE OF PRESSURIZED FLUID, CONDUIT MEANS OPERABLE TO CONNECT SAID SOURCE OF PRESSURIZED FLUID TO EACH OF SAID CLUTCHES, TRANSMISSION PROGRAMMING MEANS ASSOCIATED WITH SAID CONDUIT MEANS AND POSITIONABLE TO DIRECT PRESSURIZED FLUID THROUGH SAID CONDUIT MEANS FROM SAID SOURCE TO SAID CLUTCHES, AND MEANS TO VARY THE PRESSURE OF SAID FLUID BEING CONDUCTED TO SAID CLUTCHES FROM SAID SOURCE AS THE INPUT TORQUE TO SAID TRANSMISSION MECHANISM VARIES.
Claim 2
Dependent Claim
297 words
THE COMBINATION COMPRISING A TRANSMISSION MECHANISM HAVING FOUR SPEEDS IN BOTH FORWARD AND REVERSE DIRECTION, SAID TRANSMISSION MECHANISM INCLUDING 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 INCLUDING A PAIR OF DIRECTIONAL GEARS, FOUR CONNECTING GEARS AND A PLURALITY OF CHANGE SPEED GEARS, A PAIR OF SAID CONNECTING GEARS SECURED TO AND ROTATABLE WITH A PAIR OF SAID COUNTERSHAFTS, AND OTHER PAIR OF CONNECTING GEARS COAXIALLY POSITIONED ON AND ROTATABLE RELATIVE TO SAID OTHER PAIR OF COUNTERSHAFTS, SAID CONNECTING GEARS ARRANGED IN DRIVING RELATION WITH EACH OTHER, A PAIR OF DIRECTIONAL CLUTCHES, AND FOUR CHANGE SPEED CLUTCHES, EACH OF SAID CLUTCHES OPERABLE TO BE ENGAGED WHEN PRESSURIZED FLUID IS CONDUCTED THERETO, SAID DIRECTIONAL CLUTCHES ADAPTED UPON SELECTIVE ENGAGEMENT TO TRANSMIT ROTATION OF SAID DIRECTIONAL GEARS TO SAID CONNECTING GEARS IN A PREDETERMINED DIRECTION, SAID CHANGE SPEED CLUTCHES ARRANGED UPON SELECTIVE ENGAGEMENT TO TRANSMIT ROTATION OF SAID CONNECTING GEARS TO ANOTHER OF SAID COUNTERSHAFTS AT A PREDETERMINED SELECTED SPEED, TWO OF SAID CHANGE SPEED CLUTCHES ARRANGED TO SELECTIVELY CONNECT SAID OTHER PAIR OF CONNECTING GEARS TO SAID RESPECTIVE COUNTERSHAFTS EXTENDING COAXIALLY THERETHROUGH, SAID GEARING INCLUDING A PAIR OF GEARS NONROTATABLY SECURED TO A PAIR OF SAID COUNTERSHAFTS AND MESHING WITH EACH OTHER TO DRIVINGLY CONNECT SAID COUNTERSHAFTS TO EACH OTHER, A SOURCE OF PRESSURIZED FLUID, CONDUIT MEANS OPERABLE TO CONNECT SAID SOURCE OF PRESSURIZED FLUID TO EACH OF SAID CLUTCHES, TRANSMISSION PROGRAMMING MEANS ASSOCIATED WITH SAID CONDUIT MEANS AND POSITIONABLE TO DIRECT PRESSURIZED FLUID THROUGH SAID CONDUIT MEANS FROM SAID SOURCE TO SAID CLUTCHES, AND MEANS TO VARY THE PRESSURE OF SAID FLUID BEING CONDUCTED TO SAID CLUTCHES FROM SAID SOURCE AS THE INPUT TORQUE TO SAID TRANSMISSION MECHANISM VARIES.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |