US3140759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted spot type disk brake
Assignee: Individual
•
Filing: 1961-05-22
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Granted: 1964-07-14
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Toby T Cagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/228; B; B60; B60T; B60T11/00; B60T11/10; B60T11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A DISK BRAKE FOR THE WHEELS OF A VEHICLE, COMPRISING A DISK, MEANS FIXEDLY SECURING THE DISK TO SAID WHEEL, A NON-ROTATABLE FLANGE POSITIONED ADJACENT THE WHEEL, A BRAKE SHOE HOUSING, MEANS PERPENDICULAR TO THE AXIS OF THE WHEEL PIVOTALLY MOUNTING THE BRAKE SHOE HOUSING ON SAID FLANGE, SAID BRAKE SHOE HOUSING BEING BIFURCATED SUCH THAT IT STRADDLES THE DISK, A PAIR OF BRAKE SHOES IN SAID HOUSING POSITIONED ONE ON EACH SIDE OF SAID DISK AND ENGAGEABLE WITH THE DISK, A PISTON IN THE HOUSING BEARING AGAINST EACH OF SAID BRAKE SHOES, SAID BRAKE SHOE HOUSING HAVING A DUCT THEREIN EXTENDING TO ONE SIDE OF EACH OF SAID PISTONS, AND A HYDRAULIC HOSE EXTENDING TO SAID DUCT TO CONDUCT PRESSURE FLUID TO THE PISTONS TO PRESS THE PISTONS AGAINST THE BRAKE SHOES.
Claim 2
Dependent Claim
133 words
A DISK BRAKE FOR THE WHEELS OF A VEHICLE, COMPRISING A DISK, MEANS FIXEDLY SECURING THE DISK TO SAID WHEEL, A NON-ROTATABLE FLANGE POSITIONED ADJACENT THE WHEEL, A BRAKE SHOE HOUSING, MEANS PERPENDICULAR TO THE AXIS OF THE WHEEL PIVOTALLY MOUNTING THE BRAKE SHOE HOUSING ON SAID FLANGE, SAID BRAKE SHOE HOUSING BEING BIFURCATED SUCH THAT IT STRADDLES THE DISK, A PAIR OF BRAKE SHOES IN SAID HOUSING POSITIONED ONE ON EACH SIDE OF SAID DISK AND ENGAGEABLE WITH THE DISK, A PISTON IN THE HOUSING BEARING AGAINST EACH OF SAID BRAKE SHOES, SAID BRAKE SHOE HOUSING HAVING A DUCT THEREIN EXTENDING TO ONE SIDE OF EACH OF SAID PISTONS, AND A HYDRAULIC HOSE EXTENDING TO SAID DUCT TO CONDUCT PRESSURE FLUID TO THE PISTONS TO PRESS THE PISTONS AGAINST THE BRAKE SHOES.
References Cited (Backward Citations)
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US2385625A
Cited
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Cited
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Cited
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |