US3137370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake control and balancing system
Assignee: Valeo SE
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Filing: 1962-03-08
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Granted: 1964-06-16
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Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Lepelletier Pierre Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:09
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; B; B60; B60G; B60G15/00; B60G15/02; B60G15/06; B60G15/067; B60G15/068; B60G21/00; B60G21/007; B60G7/00; B60G7/006; B60T; B60T11/00; B60T11/10; B60T11/24; B60T8/00; B60T8/32; B60T8/52; B60G2200/00; B60G2200/40; B60G2200/46; B60G2202/00; B60G2202/30; B60G2202/31; B60G2202/312; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/128; B60G2204/40; B60G2204/41; B60G2204/4106; B60G2204/41062; F16D2055/0075; F16D2055/0091; F16D2121/00; F16D2121/02; F16D2127/00; F16D2127/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
249 words
A BRAKING SYSTEM FOR TWO WHEEL BRAKES OF AN AXLE OF AN AUTOMOBILE VEHICLE HAVING A CHASSIS, SAID BRAKING DEVICE COMPRISING TWO SUPPORTS MOVABLY MOUNTED WITH RESPECT TO THE CHASSIS, TWO SUPPORTING MEANS MOUNTING SAID TWO SUPPORTS FOR MOVEMENT ON SAID CHASSIS IN TWO PREDETERMINED DIRECTION, BALANCING MEANS CONNECTED TO EACH SUPPORT AND RESPONSIVE TO THE MOVEMENT OF SAID SUPPORTS OPERABLE TO MAKE ALL DISPLACEMENTS OF ANY ONE SUPPORT WITH RESPECT TO SAID CHASSIS EQUAL AND OPPOSITE TO THE OTHER, TWO ROTATING MEMBERS EACH ROTATABLY DRIVEN BY A RESPECTIVE WHEEL, TWO FRICTION MEANS CARRIED BY EACH OF SAID TWO SUPPORTS FOR CO-OPERATING FRICTIONALLY IN OPERATION WITH SAID TWO ROTATING MEMBERS RESPECTIVELY, MEANS DEFINING TWO BRAKE-CYLINDERS CARRIED BY EACH OF THE TWO SUPPORTS FOR CONTROLLING SAID TWO FRICTION ELEMENTS RESPECTIVELY, SAID SUPPORTS BEING MOVABLE RELATIVE TO THE CHASSIS COOPERATIVELY WITH SAID BALANCING MEANS IN RESPONSE TO GRIPPING ACTION OF SAID FRICTION MEANS ON THE ROTATING MEMBERS, TWO SUPPLY CONDUITS EACH COUPLED TO ONE OF SAID MEANS DEFINING TWO BRAKE CYLINDERS RESPECTIVELY, EACH OF SAID BALANCING MEANS COMPRISING A COMPENSATING CHAMBER COUPLED TO ONE OF SAID CONDUITS RESPECTIVELY, THE MEANS DEFINING EACH COMPENSATING CHAMBER HAVING TWO MEMBERS COMPRISING A CYLINDER AND A PISTON SLIDABLY MOUNTED IN SAID CYLINDER, ONE OF SAID MEMBERS DEFINING EACH OF SAID COMPENSATING CHAMBERS BEING COUPLED TO THE CHASSIS AND THE OTHER TO A CORRESPONDING ONE OF SAID TWO SUPPORTS, AND A MASTER-CYLINDER HAVING MEANS OPERABLE SELECTIVELY TO DELIVER SUBSTANTIALLY EQUAL VOLUMES OF FLUID INTO SAID CONDUITS.
Claim 2
Dependent Claim
249 words
A BRAKING SYSTEM FOR TWO WHEEL BRAKES OF AN AXLE OF AN AUTOMOBILE VEHICLE HAVING A CHASSIS, SAID BRAKING DEVICE COMPRISING TWO SUPPORTS MOVABLY MOUNTED WITH RESPECT TO THE CHASSIS, TWO SUPPORTING MEANS MOUNTING SAID TWO SUPPORTS FOR MOVEMENT ON SAID CHASSIS IN TWO PREDETERMINED DIRECTION, BALANCING MEANS CONNECTED TO EACH SUPPORT AND RESPONSIVE TO THE MOVEMENT OF SAID SUPPORTS OPERABLE TO MAKE ALL DISPLACEMENTS OF ANY ONE SUPPORT WITH RESPECT TO SAID CHASSIS EQUAL AND OPPOSITE TO THE OTHER, TWO ROTATING MEMBERS EACH ROTATABLY DRIVEN BY A RESPECTIVE WHEEL, TWO FRICTION MEANS CARRIED BY EACH OF SAID TWO SUPPORTS FOR CO-OPERATING FRICTIONALLY IN OPERATION WITH SAID TWO ROTATING MEMBERS RESPECTIVELY, MEANS DEFINING TWO BRAKE-CYLINDERS CARRIED BY EACH OF THE TWO SUPPORTS FOR CONTROLLING SAID TWO FRICTION ELEMENTS RESPECTIVELY, SAID SUPPORTS BEING MOVABLE RELATIVE TO THE CHASSIS COOPERATIVELY WITH SAID BALANCING MEANS IN RESPONSE TO GRIPPING ACTION OF SAID FRICTION MEANS ON THE ROTATING MEMBERS, TWO SUPPLY CONDUITS EACH COUPLED TO ONE OF SAID MEANS DEFINING TWO BRAKE CYLINDERS RESPECTIVELY, EACH OF SAID BALANCING MEANS COMPRISING A COMPENSATING CHAMBER COUPLED TO ONE OF SAID CONDUITS RESPECTIVELY, THE MEANS DEFINING EACH COMPENSATING CHAMBER HAVING TWO MEMBERS COMPRISING A CYLINDER AND A PISTON SLIDABLY MOUNTED IN SAID CYLINDER, ONE OF SAID MEMBERS DEFINING EACH OF SAID COMPENSATING CHAMBERS BEING COUPLED TO THE CHASSIS AND THE OTHER TO A CORRESPONDING ONE OF SAID TWO SUPPORTS, AND A MASTER-CYLINDER HAVING MEANS OPERABLE SELECTIVELY TO DELIVER SUBSTANTIALLY EQUAL VOLUMES OF FLUID INTO SAID CONDUITS.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |