US3150745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot type disc brake
Assignee: ZF Active Safety US Inc
•
Filing: 1962-06-22
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Granted: 1964-09-29
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Carolus L Eksergian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:48
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/2255; F16D65/00; F16D65/38; F16D65/40; F16D65/42; F16D65/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A DISC BRAKE INCLUDING A ROTATABLE DISC, A NONROTATABLE HOUSING HAVING WALL PORTIONS ON OPPOSITE SIDES OF SAID DISC, A PAIR OF CIRCUMFERENTIALLY SPACED CYLINDERS ON ONE OF SAID WALL PORTIONS, A BRAKE SHOE BETWEEN SAID CYLINDERS AND SAID DISC, A SHEET METAL TORQUE PLATE DISPOSED BETWEEN THE BRAKE SHOE AND SAID CYLINDER WITH THE PLANE OF THE SHEET EXTENDING GENERALLY PARALLEL TO SAID DISC, NONROTATABLE MEANS SUPPORTING SAID TORQUE PLATE FOR PIVOTAL MOVEMENT TOWARD AND AWAY FROM SAID DISC, MEANS OPERABLE BY FLUID PRESSURE IN SAID CYLINDERS FOR APPLYING BRAKING FORCE TO SAID TORQUE PLATE, SAID TORQUE PLATE BEING OPERABLE TO TRANSFER SAID BRAKING FORCE TO SAID BRAKE SHOE, AND INTERENGAGING ABUTMENT MEANS ON SAID TORQUE PLATE AND SAID BRAKE SHOE FOR THE TRANSFER OF BRAKING TORQUE FROM SAID BRAKE SHOE TO SAID TORQUE PLATE.
Claim 2
Dependent Claim
136 words
A DISC BRAKE INCLUDING A ROTATABLE DISC, A NONROTATABLE HOUSING HAVING WALL PORTIONS ON OPPOSITE SIDES OF SAID DISC, A PAIR OF CIRCUMFERENTIALLY SPACED CYLINDERS ON ONE OF SAID WALL PORTIONS, A BRAKE SHOE BETWEEN SAID CYLINDERS AND SAID DISC, A SHEET METAL TORQUE PLATE DISPOSED BETWEEN THE BRAKE SHOE AND SAID CYLINDER WITH THE PLANE OF THE SHEET EXTENDING GENERALLY PARALLEL TO SAID DISC, NONROTATABLE MEANS SUPPORTING SAID TORQUE PLATE FOR PIVOTAL MOVEMENT TOWARD AND AWAY FROM SAID DISC, MEANS OPERABLE BY FLUID PRESSURE IN SAID CYLINDERS FOR APPLYING BRAKING FORCE TO SAID TORQUE PLATE, SAID TORQUE PLATE BEING OPERABLE TO TRANSFER SAID BRAKING FORCE TO SAID BRAKE SHOE, AND INTERENGAGING ABUTMENT MEANS ON SAID TORQUE PLATE AND SAID BRAKE SHOE FOR THE TRANSFER OF BRAKING TORQUE FROM SAID BRAKE SHOE TO SAID TORQUE PLATE.
References Cited (Backward Citations)
US2655227A
Cited
US2655229A
Cited
GB728709A
Cited
FR1089618A
Cited
FR1193713A
Cited
US3016111A
Cited
FR1238036A
Cited
US3047098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |