US3258089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot type disk brake
Assignee: ZF Active Safety US Inc
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Filing: 1964-05-07
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Granted: 1966-06-28
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Edward J Hayes
- 👤 Harvey C Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:56
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/543; F16D2055/0004; F16D2055/0041; F16D2055/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A DISK TYPE BRAKE FOR A WHEEL HAVING A STATIONARY AXLE PART, A BRAKE DISK SECURED TO SAID WHEEL FOR ROTATION THEREWITH, A CALIPER MEMBER STRADDLING AT LEAST A PORTION OF THE PERIPHERY OF SAID BRAKE DISK, A PAIR OF OPPOSED BRAKE SHOE MEMBERS, A TORQUE MEMBER CONNECTED ADJACENT ONE END TO SAID STATIONARY AXLE PART, SAID TORQUE MEMBER BEING STIFF IN THE TORQUE DIRECTION AND RELATIVELY FLEXIBLE IN THE AXIAL DIRECTION OF THE WHEEL, THE FREE END OF SAID TORQUE MEMBER BEING PROVIDED WITH AXIALLY SPACED TERMINAL PORTIONS CONNECTED TO SAID BRAKE SHOE MEMBERS, A BRAKE ACTUATING PISTON CARRIED BY SAID CALIPER MEMBER FOR ACTUATING ONE OF SAID BRAKE SHOE MEMBERS, AND THROUGH THE REACTION OF SAID CALIPER MEMBER TO ACTUATE THE OTHER BRAKE SHOE MEMBER, MEANS SLIDABLY CONNECTING SAID CALIPER MEMBER TO SAID TORQUE MEMBER, AND A BENDABLE PORTION CONNECTING THE TERMINAL PORTIONS OF SAID TORQUE MEMBER TO PERMIT MOVEMENT OF THE BRAKE SHOE MEMBERS DURING THE APPLICATION AND RELEASE OF THE BRAKES.
Claim 2
Dependent Claim
166 words
IN A DISK TYPE BRAKE FOR A WHEEL HAVING A STATIONARY AXLE PART, A BRAKE DISK SECURED TO SAID WHEEL FOR ROTATION THEREWITH, A CALIPER MEMBER STRADDLING AT LEAST A PORTION OF THE PERIPHERY OF SAID BRAKE DISK, A PAIR OF OPPOSED BRAKE SHOE MEMBERS, A TORQUE MEMBER CONNECTED ADJACENT ONE END TO SAID STATIONARY AXLE PART, SAID TORQUE MEMBER BEING STIFF IN THE TORQUE DIRECTION AND RELATIVELY FLEXIBLE IN THE AXIAL DIRECTION OF THE WHEEL, THE FREE END OF SAID TORQUE MEMBER BEING PROVIDED WITH AXIALLY SPACED TERMINAL PORTIONS CONNECTED TO SAID BRAKE SHOE MEMBERS, A BRAKE ACTUATING PISTON CARRIED BY SAID CALIPER MEMBER FOR ACTUATING ONE OF SAID BRAKE SHOE MEMBERS, AND THROUGH THE REACTION OF SAID CALIPER MEMBER TO ACTUATE THE OTHER BRAKE SHOE MEMBER, MEANS SLIDABLY CONNECTING SAID CALIPER MEMBER TO SAID TORQUE MEMBER, AND A BENDABLE PORTION CONNECTING THE TERMINAL PORTIONS OF SAID TORQUE MEMBER TO PERMIT MOVEMENT OF THE BRAKE SHOE MEMBERS DURING THE APPLICATION AND RELEASE OF THE BRAKES.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |