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US3137370A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicle brake control and balancing system

Assignee: Valeo SE
•
Filing: 1962-03-08
•
Granted: 1964-06-16
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Expires: 1982-03-08
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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)

US2289907A Cited
US2395072A Cited
US3033324A Cited
US3044581A Cited

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

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