Patent EP0125098A1 successfully refreshed from Google Patents.
US3263767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle wheel speed control mechanism
Assignee: Allis Chalmers Corp
•
Filing: 1964-06-23
•
Granted: 1966-08-02
•
Expires: 1984-06-23
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:03
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/6454; E02F3/65; E02F3/651
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A VEHICLE COMPRISING: FRONT GROUND ENGAGING TRACTION MEANS, REAR GROUND ENGAGING TRACTION MEANS, FIRST POWER MEANS CONNECTED IN DRIVING RELATION TO SAID FRONT TRACTION MEANS, SECOND POWER MEANS CONNECTED IN DRIVING RELATION TO SAID REAR TRACTION MEANS, AND MEANS FOR ADJUSTING THE SPEED OF SAID SECOND POWER MEANS RELATIVE TO SAID FIRST POWER MEANS INCLUDING, A FIRST FLUID PUMP CONNECTED IN DRIVEN RELATION TO SAID FRONT TRACTION MEANS, A SECOND FLUID PUMP CONNECTED IN DRIVEN RELATION TO SAID REAR TRACTION MEANS, A FIRST FLUID PASSAGE CONNECTING THE INPUT OF SAID FIRST PUMP TO THE OUTPUT OF SAID SECOND PUMP, A SECOND FLUID PASSAGE CONNECTING THE INPUT OF SAID SECOND PUMP TO THE OUTPUT OF SAID FIRST PUMP, AN ADJUSTABLE SPEED CONTROLLER ON SAID SECOND POWER UNIT, MEANS FOR ADJUSTING SAID SPEED CONTROLLER IN REPONSE TO VARIATIONS IN PRESSURE IN SAID FIRST PASSAGE AND, A BYPASS FOR SAID FIRST PUMP WITH A CHECK VALVE PERMITTING FLUID FLOW THERETHOROUGH FROM THE OUTPUT TO THE INPUT OF SAID FIRST PUMP AND PREVENTING REVERSE FLOW, THEREBY PERMITTING SAID FIRST TRACTION MEANS TO OVERSPEED SAID SECOND TRACTION MEANS WITHOUT SAID FIRST PUMP BEING SUBJECTED TO CAVITATION.
Claim 2
Dependent Claim
191 words
A VEHICLE COMPRISING: FRONT GROUND ENGAGING TRACTION MEANS, REAR GROUND ENGAGING TRACTION MEANS, FIRST POWER MEANS CONNECTED IN DRIVING RELATION TO SAID FRONT TRACTION MEANS, SECOND POWER MEANS CONNECTED IN DRIVING RELATION TO SAID REAR TRACTION MEANS, AND MEANS FOR ADJUSTING THE SPEED OF SAID SECOND POWER MEANS RELATIVE TO SAID FIRST POWER MEANS INCLUDING, A FIRST FLUID PUMP CONNECTED IN DRIVEN RELATION TO SAID FRONT TRACTION MEANS, A SECOND FLUID PUMP CONNECTED IN DRIVEN RELATION TO SAID REAR TRACTION MEANS, A FIRST FLUID PASSAGE CONNECTING THE INPUT OF SAID FIRST PUMP TO THE OUTPUT OF SAID SECOND PUMP, A SECOND FLUID PASSAGE CONNECTING THE INPUT OF SAID SECOND PUMP TO THE OUTPUT OF SAID FIRST PUMP, AN ADJUSTABLE SPEED CONTROLLER ON SAID SECOND POWER UNIT, MEANS FOR ADJUSTING SAID SPEED CONTROLLER IN REPONSE TO VARIATIONS IN PRESSURE IN SAID FIRST PASSAGE AND, A BYPASS FOR SAID FIRST PUMP WITH A CHECK VALVE PERMITTING FLUID FLOW THERETHOROUGH FROM THE OUTPUT TO THE INPUT OF SAID FIRST PUMP AND PREVENTING REVERSE FLOW, THEREBY PERMITTING SAID FIRST TRACTION MEANS TO OVERSPEED SAID SECOND TRACTION MEANS WITHOUT SAID FIRST PUMP BEING SUBJECTED TO CAVITATION.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |