US3143192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism
Assignee: Individual
•
Filing: 1961-04-24
•
Granted: 1964-08-04
•
Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Perry P Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:44
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; B60T7/045; B60T7/047; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20426; Y10T74/20576; Y10T74/20636; Y10T74/20648; Y10T74/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
APPARATUS FOR CONTROLLING BRAKE MECHANISM OF A VEHICLE WHEREIN A LINEAR ACTUATING MEMBER IS CONNECTED WITH THE BRAKE MECHANISM INCLUDING, IN COMBINATION, A SUPPORT, A RELATIVELY MOVABLE CAM MEANS MOUNTED BY THE SUPPORT, AN ARM MOUNTED ON THE CAM FOR MOVEMENT RELATIVE THERETO, A LOCKING SHOE OPERATIVELY CONNECTED WITH SAID ARM AND ARRANGED FOR ENGAGEMENT WITH THE LINEAR ACTUATING MEMBER, MEANS NORMALLY BIASING SAID ARM IN A DIRECTION TO ESTABLISH ENGAGEMENT OF SAID SHOE WITH THE LINEAR ACTUATING MEMBER, AN ACTUATING ELEMENT CONNECTED WITH SAID CAM TO SHIFT THE CAM, CONTROL MEANS FOR SAID ELEMENT, SAID ELEMENT BEING MOVABLE IN ONE DIRECTION TO EFFECT DISENGAGEMENT OF THE LOCKING SHOE WITH THE LINEAR ACTUATING MEMBER, AND MEANS NORMALLY YIELDINGLY BIASING SAID ACTUATING ELEMENT IN A DIRECTION URGING THE CAM TOWARD A POSITION TO EFFECT GRIPPING ENGAGEMENT OF THE LOCKING SHOE WITH THE LINEAR ACTUATING MEMBER.
Claim 2
Dependent Claim
144 words
APPARATUS FOR CONTROLLING BRAKE MECHANISM OF A VEHICLE WHEREIN A LINEAR ACTUATING MEMBER IS CONNECTED WITH THE BRAKE MECHANISM INCLUDING, IN COMBINATION, A SUPPORT, A RELATIVELY MOVABLE CAM MEANS MOUNTED BY THE SUPPORT, AN ARM MOUNTED ON THE CAM FOR MOVEMENT RELATIVE THERETO, A LOCKING SHOE OPERATIVELY CONNECTED WITH SAID ARM AND ARRANGED FOR ENGAGEMENT WITH THE LINEAR ACTUATING MEMBER, MEANS NORMALLY BIASING SAID ARM IN A DIRECTION TO ESTABLISH ENGAGEMENT OF SAID SHOE WITH THE LINEAR ACTUATING MEMBER, AN ACTUATING ELEMENT CONNECTED WITH SAID CAM TO SHIFT THE CAM, CONTROL MEANS FOR SAID ELEMENT, SAID ELEMENT BEING MOVABLE IN ONE DIRECTION TO EFFECT DISENGAGEMENT OF THE LOCKING SHOE WITH THE LINEAR ACTUATING MEMBER, AND MEANS NORMALLY YIELDINGLY BIASING SAID ACTUATING ELEMENT IN A DIRECTION URGING THE CAM TOWARD A POSITION TO EFFECT GRIPPING ENGAGEMENT OF THE LOCKING SHOE WITH THE LINEAR ACTUATING MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |