US3340952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle speed control system
Assignee: Curtiss Wright Corp
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Filing: 1965-11-16
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Granted: 1967-09-12
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Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 John B Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/06; B60K31/08; B60K31/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A SPEED CONTROL SYSTEM FOR AN AUTOMOTIVE VEHICLE COMPRISING MEANS FOR CHANGING VEHICLE SPEED; MOTOR MEANS OPERATIVELY CONNECTED TO THE SPEED CHANGING MEANS; A CONTROL ELEMENT FOR THE MOTOR MEANS, CONNECTED THERETO AND INCLUDING AN INPUT-SIGNAL MEMBER HAVING A SMALL OPERATING RANGE, SAID INPUT-SIGNAL MEMBER BEING OPERABLE IN ONE DIRECTION TO CAUSE THE MOTOR MEANS TO ADJUST THE CHANGING MEANS SO AS TO INCREASE VEHICLE SPEED AND BEING OPERABLE IN THE OTHER DIRECTION TO CAUSE THE MOTOR MEANS TO ADJUST THE SPEED CHANGING MEANS SO AS TO DECREASE VEHICLE SPEED; A COUPLING HAVING AN INPUT MEMBER ROTATABLE ACCORDING TO VEHICLE SPEED AND AN OUTPUT MEMBER OPERABLY CONNECTED WITH THE INPUT-SIGNAL MEMBER FOR EXERTING A TORQUE THEREON VARYING ACCORDING TO VEHICLE SPEED AND TENDING TO MOVE THE INPUT-SIGNAL MEMBER IN A DIRECTION TO CAUSE THE SPEED CHANGING MEANS TO DECREASE VEHICLE SPEED; A SPEED SETTING SPRING CONNECTED WITH THE INPUT-SIGNAL MEMBER TO EXERT A TORQUE TENDING TO MOVE THE INPUT-SIGNAL MEMBER IN A DIRECTION TO CAUSE THE SPEED CHANGING MEANS TO INCREASE VEHICLE SPEED; AND SPEED SELECTING MEANS OPERABLY CONNECTED WITH THE SPEED SETTING SPRING FOR ADJUSTING THE SPRING TO VARY THE SPEED REQUIRED TO BALANCE THE TORQUE EXERTED BY THE SPRING IN AN INTERMEDIATE POSITION OF THE INPUT-SIGNAL MEMBER WITHIN SAID OPERATING RANGE.
Claim 2
Dependent Claim
213 words
A SPEED CONTROL SYSTEM FOR AN AUTOMOTIVE VEHICLE COMPRISING MEANS FOR CHANGING VEHICLE SPEED; MOTOR MEANS OPERATIVELY CONNECTED TO THE SPEED CHANGING MEANS; A CONTROL ELEMENT FOR THE MOTOR MEANS, CONNECTED THERETO AND INCLUDING AN INPUT-SIGNAL MEMBER HAVING A SMALL OPERATING RANGE, SAID INPUT-SIGNAL MEMBER BEING OPERABLE IN ONE DIRECTION TO CAUSE THE MOTOR MEANS TO ADJUST THE CHANGING MEANS SO AS TO INCREASE VEHICLE SPEED AND BEING OPERABLE IN THE OTHER DIRECTION TO CAUSE THE MOTOR MEANS TO ADJUST THE SPEED CHANGING MEANS SO AS TO DECREASE VEHICLE SPEED; A COUPLING HAVING AN INPUT MEMBER ROTATABLE ACCORDING TO VEHICLE SPEED AND AN OUTPUT MEMBER OPERABLY CONNECTED WITH THE INPUT-SIGNAL MEMBER FOR EXERTING A TORQUE THEREON VARYING ACCORDING TO VEHICLE SPEED AND TENDING TO MOVE THE INPUT-SIGNAL MEMBER IN A DIRECTION TO CAUSE THE SPEED CHANGING MEANS TO DECREASE VEHICLE SPEED; A SPEED SETTING SPRING CONNECTED WITH THE INPUT-SIGNAL MEMBER TO EXERT A TORQUE TENDING TO MOVE THE INPUT-SIGNAL MEMBER IN A DIRECTION TO CAUSE THE SPEED CHANGING MEANS TO INCREASE VEHICLE SPEED; AND SPEED SELECTING MEANS OPERABLY CONNECTED WITH THE SPEED SETTING SPRING FOR ADJUSTING THE SPRING TO VARY THE SPEED REQUIRED TO BALANCE THE TORQUE EXERTED BY THE SPRING IN AN INTERMEDIATE POSITION OF THE INPUT-SIGNAL MEMBER WITHIN SAID OPERATING RANGE.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |