US3209538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic running transmission device
Assignee: Individual
•
Filing: 1962-10-12
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Granted: 1965-10-05
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Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Kuze Yoshikazu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:35
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B60K17/105; F16H61/42; F16H61/44; F16H61/456; F16H61/423; F16H61/433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A HYDROSTATIC TRANSMISSION COMPRISING A SUBSTANTIALLY T-SHAPED HOUSING HAVING A CROSSBAR PORTION, A PAIR OF REVERSIBLE OIL MOTORS HAVING ALIGNED OUTPUT SHAFTS MOUNTED SYMMETRICALLY IN OPPOSING RELATIONSHIP WITHIN THE CROSSBAR PORTION OF SAID HOUSING, A VARIABLE DELIVERY OIL PUMP HAVING AN INPUT SHAFT, INPUT AND DISCHARGE SIDES AND BEING MOUNTED IN THE DEPENDING PORTION OF SAID HOUSING, SAID PUMP AND SAID MOTORS HAVING MOUNTED THEREIN A SWASH PLATE ROTATABLY PIVOTED WITH VARIABLE INCLINATIONS BY MEANS OF DIAMETRICALLY ARRANGED PINS AND BEING LOOSELY FITTED AROUND THE OUTER PERIPHERY OF A PLUNGER CONTROL RING, THE FREE END OF SAID PUMP SWASH PLATE BEING OPERATIVELY CONNECTED TO DIFFERENTIAL PISTONS, TWO CHAMBERS FORMED ON EITHER SIDE OF SAID PISTONS AND BEING IN COMMUNICATION THROUGH HOLES WITH THE DISCHARGE SIDE OF SAID PUMP, SAID PISTONS BEING BIASED TOWARDS THE LARGER PRESSURE RECEIVING AREA, THE FREE ENDS OF SAID MOTOR SWASH PLATES BEING OPERATIVELY CONNECTED TO CONTROL PISTONS FOR DETERMINING FORWARD AND REVERSE ROTATIONS, SAID OIL PUMP AND SAID PAIR OF OIL MOTORS BEING CONNECTED THROUGH A SUBSTANTIALLY T-SHAPED OIL PASSAGE CONNECTION MEMBER AXIALLY ALIGNED WITH BOTH SAID PUMP AND SAID MOTORS, A
Claim 2
Dependent Claim
187 words
A HYDROSTATIC TRANSMISSION COMPRISING A SUBSTANTIALLY T-SHAPED HOUSING HAVING A CROSSBAR PORTION, A PAIR OF REVERSIBLE OIL MOTORS HAVING ALIGNED OUTPUT SHAFTS MOUNTED SYMMETRICALLY IN OPPOSING RELATIONSHIP WITHIN THE CROSSBAR PORTION OF SAID HOUSING, A VARIABLE DELIVERY OIL PUMP HAVING AN INPUT SHAFT, INPUT AND DISCHARGE SIDES AND BEING MOUNTED IN THE DEPENDING PORTION OF SAID HOUSING, SAID PUMP AND SAID MOTORS HAVING MOUNTED THEREIN A SWASH PLATE ROTATABLY PIVOTED WITH VARIABLE INCLINATIONS BY MEANS OF DIAMETRICALLY ARRANGED PINS AND BEING LOOSELY FITTED AROUND THE OUTER PERIPHERY OF A PLUNGER CONTROL RING, THE FREE END OF SAID PUMP SWASH PLATE BEING OPERATIVELY CONNECTED TO DIFFERENTIAL PISTONS, TWO CHAMBERS FORMED ON EITHER SIDE OF SAID PISTONS AND BEING IN COMMUNICATION THROUGH HOLES WITH THE DISCHARGE SIDE OF SAID PUMP, SAID PISTONS BEING BIASED TOWARDS THE LARGER PRESSURE RECEIVING AREA, THE FREE ENDS OF SAID MOTOR SWASH PLATES BEING OPERATIVELY CONNECTED TO CONTROL PISTONS FOR DETERMINING FORWARD AND REVERSE ROTATIONS, SAID OIL PUMP AND SAID PAIR OF OIL MOTORS BEING CONNECTED THROUGH A SUBSTANTIALLY T-SHAPED OIL PASSAGE CONNECTION MEMBER AXIALLY ALIGNED WITH BOTH SAID PUMP AND SAID MOTORS, A
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |