US3332298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission control system
Assignee: CONSTRUCTION MACHINERY CO
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Filing: 1965-08-04
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Granted: 1967-07-25
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Earl G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:31
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/16; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4206; B28C5/4227; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN COMBINATION, A TRUCK FRAME, A CONCRETE MIXING DRUM ROTATABLY MOUNTED ON SAID TRUCK FRAME, A MECHANICAL POWER SOURCE INCLUDING A THROTTLE MEANS, TRANSMISSION MEANS OPERATIVELY CONNECTING SAID POWER SOURCE AND SAID MIXING DRUM FOR PROVIDING ROTATIONAL MOTION TO SAID MIXING DRUM, SAID TRANSMISSION MEANS HAVING A POWER OUTPUT SHAFT, COMPRISING, AN AIR CIRCUIT INCLUDING SELECTIVE AIR RESPONSIVE MEANS ON SAID TRANSMISSION MEANS WHEREBY THE SPEED OF ROTATION OF SAID POWER SHAFT CAN BE SELECTIVELY CHANGED, A SOURCE OF AIR UNDER PRESSURE IN SAID AIR CIRCUIT, A PLURALITY OF SPEED CONTROL VALVES IN SAID AIR CIRCUIT AND BEING CONNECTED TO SAID SELECTIVE AIR RESPONSIVE MEANS WHEREBY SAID AIR RESPONSIVE MEANS CAN BE SELECTIVELY OPERATED, DIRECTION CONTROL MEANS ON SAID TRANSMISSION MEANS FOR CONTROLLING THE ROTATION AND THE DIRECTION OF ROTATION OF SAID POWER OUTPUT SHAFT, MEANS FOR CONTROLLING SAID DIRECTIONAL CONTROL MEANS, AN AIR CONTROL VALVE IN SAID AIR CIRCUIT, AND INTERLOCK MEANS CONNECTING SAID MEANS FOR CONTROLING SAID DIRECTIONAL CONTROL MEANS AND SAID AIR CONTROL VALVE, TO WITHHOLD AIR FROM SAID SPEED CONTROL VALVES WHEN SAID POWER SHAFT IS ROTATING.
Claim 2
Dependent Claim
181 words
IN COMBINATION, A TRUCK FRAME, A CONCRETE MIXING DRUM ROTATABLY MOUNTED ON SAID TRUCK FRAME, A MECHANICAL POWER SOURCE INCLUDING A THROTTLE MEANS, TRANSMISSION MEANS OPERATIVELY CONNECTING SAID POWER SOURCE AND SAID MIXING DRUM FOR PROVIDING ROTATIONAL MOTION TO SAID MIXING DRUM, SAID TRANSMISSION MEANS HAVING A POWER OUTPUT SHAFT, COMPRISING, AN AIR CIRCUIT INCLUDING SELECTIVE AIR RESPONSIVE MEANS ON SAID TRANSMISSION MEANS WHEREBY THE SPEED OF ROTATION OF SAID POWER SHAFT CAN BE SELECTIVELY CHANGED, A SOURCE OF AIR UNDER PRESSURE IN SAID AIR CIRCUIT, A PLURALITY OF SPEED CONTROL VALVES IN SAID AIR CIRCUIT AND BEING CONNECTED TO SAID SELECTIVE AIR RESPONSIVE MEANS WHEREBY SAID AIR RESPONSIVE MEANS CAN BE SELECTIVELY OPERATED, DIRECTION CONTROL MEANS ON SAID TRANSMISSION MEANS FOR CONTROLLING THE ROTATION AND THE DIRECTION OF ROTATION OF SAID POWER OUTPUT SHAFT, MEANS FOR CONTROLLING SAID DIRECTIONAL CONTROL MEANS, AN AIR CONTROL VALVE IN SAID AIR CIRCUIT, AND INTERLOCK MEANS CONNECTING SAID MEANS FOR CONTROLING SAID DIRECTIONAL CONTROL MEANS AND SAID AIR CONTROL VALVE, TO WITHHOLD AIR FROM SAID SPEED CONTROL VALVES WHEN SAID POWER SHAFT IS ROTATING.
References Cited (Backward Citations)
US2743798A
Cited
US3269206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |