US3115952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle disk brake
Assignee: Motors Liquidation Co
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Filing: 1960-10-26
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Granted: 1963-12-31
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Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Anton F Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:15
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D2055/0004; F16D2055/0062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A VEHICLE BRAKE, THE COMBINATION OF A WHEEL, A WHEEL BRAKE FOR SAID WHEEL INCLUDING A BRAKE DISK AND A BRAKE SHOE ENGAGEABLE IN A PLANE, A SUPPORT MEMBER HAVING A SPINDLE THEREON ROTATABLY SUPPORTING SAID WHEEL AND SAID BRAKE DISK, SAID SUPPORT MEMBER HAVING A RADIALLY EXTENDING ENLARGED SECTION ADJACENT SAID SPINDLE AND POSITIONED CONCENTRICALLY INWARD OF SAID BRAKE DISK AND A CENTRAL CYLINDER FORMED TO EXTEND AXIALLY THEREOF AND CIRCUMFERENTIALLY SPACED MEANS RADIALLY INTERMEDIATE SAID CYLINDER AND SAID BRAKE DISK, SAID CIRCUMFERENTIALLY SPACED MEANS HAVING SAID BRAKE SHOE MOUNTED THEREON IN AXIALLY MOVABLE RELATION TO ENGAGE AND DISENGAGE SAID BRAKE DISK, A HYDRAULICALLY ACTUATED BRAKE PISTON RECIPROCABLY RECEIVED IN SAID CYLINDER, MEANS INTERCONNECTING SAID PISTON AND SAID BRAKE SHOE TO ENGAGE SAID BRAKE SHOE WITH SAID BRAKE DISK UPON ACTUATION OF SAID BRAKE PISTON, DISENGAGING MEANS ACTING BETWEEN AND ON SAID SUPPORT MEMBER AND SAID BRAKE SHOE AND URGING SAID BRAKE SHOE TOWARD DISENGAGED RELATIONSHIP WITH SAID BRAKE DISK, AND MEANS FOR PRESSURIZING FLUID IN SAID CYLINDER TO ACTUATE SAID BRAKE PISTON.
Claim 2
Dependent Claim
175 words
IN A VEHICLE BRAKE, THE COMBINATION OF A WHEEL, A WHEEL BRAKE FOR SAID WHEEL INCLUDING A BRAKE DISK AND A BRAKE SHOE ENGAGEABLE IN A PLANE, A SUPPORT MEMBER HAVING A SPINDLE THEREON ROTATABLY SUPPORTING SAID WHEEL AND SAID BRAKE DISK, SAID SUPPORT MEMBER HAVING A RADIALLY EXTENDING ENLARGED SECTION ADJACENT SAID SPINDLE AND POSITIONED CONCENTRICALLY INWARD OF SAID BRAKE DISK AND A CENTRAL CYLINDER FORMED TO EXTEND AXIALLY THEREOF AND CIRCUMFERENTIALLY SPACED MEANS RADIALLY INTERMEDIATE SAID CYLINDER AND SAID BRAKE DISK, SAID CIRCUMFERENTIALLY SPACED MEANS HAVING SAID BRAKE SHOE MOUNTED THEREON IN AXIALLY MOVABLE RELATION TO ENGAGE AND DISENGAGE SAID BRAKE DISK, A HYDRAULICALLY ACTUATED BRAKE PISTON RECIPROCABLY RECEIVED IN SAID CYLINDER, MEANS INTERCONNECTING SAID PISTON AND SAID BRAKE SHOE TO ENGAGE SAID BRAKE SHOE WITH SAID BRAKE DISK UPON ACTUATION OF SAID BRAKE PISTON, DISENGAGING MEANS ACTING BETWEEN AND ON SAID SUPPORT MEMBER AND SAID BRAKE SHOE AND URGING SAID BRAKE SHOE TOWARD DISENGAGED RELATIONSHIP WITH SAID BRAKE DISK, AND MEANS FOR PRESSURIZING FLUID IN SAID CYLINDER TO ACTUATE SAID BRAKE PISTON.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |