US3204725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake control apparatus
Assignee: Individual
•
Filing: 1964-06-22
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Granted: 1965-09-07
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Jessie R Mcgraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:43
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/74; B60T13/10; B60T13/58; B60T17/00; B60T17/18; B60T17/22; B60T17/221; B60T17/222; B60T17/223; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20576; Y10T74/20888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
IN A COMBINATION WITH A POWER DRIVEN TOWING VEHICLE HAVING A BATTERY AND A TOWED VEHICLE HAVING A BRAKE SYSTEM INCLUDING AN OPERATOR MEMBER MOVABLE IN ONE DIRECTION TO ACTUATE THE BRAKE SYSTEM, SAID BRAKE CONTROL APPARATUS COMPRISING AN ELECTRIC MOTOR CARRIED BY SAID TOWED VEHICLE; CONTROL MEANS MOUNTED IN THE TOWING VEHICLE FOR CONNECTING SAID ELECTRIC MOTOR IN CIRCUIT WITH THE BATTERY OF THE TOWING VEHICLE, SAID ELECTRIC MOTOR HAVING A ROTATABLE SHAFT; CONNECTOR MEANS ENGAGEABLE WITH SAID DRIVE SHAFT OF SAID MOTOR AND THE OPERATOR MEMBER OF SAID BRAKE SYSTEM, SAID CONNECTOR MEANS INCLUDING A DRIVE SCREW CONNECTED TO THE SHAFT OF SAID MOTOR FOR ROTATION BY SAID MOTOR; AND OVERLOAD RELEASE MEANS INCLUDING A FOLLOWER NUT THREADED ON SAID DRIVE SCREW, MEANS CONNECTING SAID FOLOWER NUT TO SAID BRAKE OPERATOR MEANS OF SAID TOWED VEHICLE, SAID CONNECTING MEANS MOVING SAID OPERATOR MEMBER IN SAID ONE DIRECTION WHEN SAID OVERLOAD RELEASE MEANS HOLDS SAID FOLLOWER NUT AGAINST ROTATION WITH SAID DRIVE SCREW, SAID OVERLOAD RELEASE MEANS PERMITTING ROTATION OF SAID FOLLOWER NUT WITH SAID DRIVE SCREW WHEN THE RESISTANCE OF THE OPERATOR MEMBER TO MOVEMENT IN SAID ONE DIRECTION EXCEEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
195 words
IN A COMBINATION WITH A POWER DRIVEN TOWING VEHICLE HAVING A BATTERY AND A TOWED VEHICLE HAVING A BRAKE SYSTEM INCLUDING AN OPERATOR MEMBER MOVABLE IN ONE DIRECTION TO ACTUATE THE BRAKE SYSTEM, SAID BRAKE CONTROL APPARATUS COMPRISING AN ELECTRIC MOTOR CARRIED BY SAID TOWED VEHICLE; CONTROL MEANS MOUNTED IN THE TOWING VEHICLE FOR CONNECTING SAID ELECTRIC MOTOR IN CIRCUIT WITH THE BATTERY OF THE TOWING VEHICLE, SAID ELECTRIC MOTOR HAVING A ROTATABLE SHAFT; CONNECTOR MEANS ENGAGEABLE WITH SAID DRIVE SHAFT OF SAID MOTOR AND THE OPERATOR MEMBER OF SAID BRAKE SYSTEM, SAID CONNECTOR MEANS INCLUDING A DRIVE SCREW CONNECTED TO THE SHAFT OF SAID MOTOR FOR ROTATION BY SAID MOTOR; AND OVERLOAD RELEASE MEANS INCLUDING A FOLLOWER NUT THREADED ON SAID DRIVE SCREW, MEANS CONNECTING SAID FOLOWER NUT TO SAID BRAKE OPERATOR MEANS OF SAID TOWED VEHICLE, SAID CONNECTING MEANS MOVING SAID OPERATOR MEMBER IN SAID ONE DIRECTION WHEN SAID OVERLOAD RELEASE MEANS HOLDS SAID FOLLOWER NUT AGAINST ROTATION WITH SAID DRIVE SCREW, SAID OVERLOAD RELEASE MEANS PERMITTING ROTATION OF SAID FOLLOWER NUT WITH SAID DRIVE SCREW WHEN THE RESISTANCE OF THE OPERATOR MEMBER TO MOVEMENT IN SAID ONE DIRECTION EXCEEDS A PREDETERMINED VALUE.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |