US3277985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cooled disk brakes
Assignee: ZF Active Safety US Inc
•
Filing: 1964-11-06
•
Granted: 1966-10-11
•
Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Caskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:12
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D65/847; F16D65/02; F16D65/04; F16D65/092; F16D2065/789
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A DISK BRAKE FOR VEHICLE WHEELS HAVING A BRAKE DISK ROTATABLE WITH THE WHEEL, A YOKE MEMBER STRADDLING A PORTION OF SAID BRAKE DISK AND CLOSELY SPACED FROM SAID WHEEL, A BRAKE SHOE SLIDABLY AND REMOVABLY MOUNTED ON SAID YOKE MEMBER, AND A BRAKE ACTUATING PISTON CARRIED BY SAID YOKE MEMBER ADAPTED TO ACTUATE SAID BRAKE SHOE, THAT IMPROVEMENT WHICH COMPRISES, A COOLING FIN HAVING A HEAT TRANSMITTING CONNECTION WITH SAID BRAKE SHOE, SAID COOLING FIN EXTENDING FROM SAID BRAKE SHOE AND THROUGH THE SPACE BETWEEN SAID YOKE AND SAID WHEEL TO A LOCATION AXIALLY BEYOND SAID WHEEL EXPOSED TO THE SURROUNDING ATMOSPHERE.
Claim 2
Dependent Claim
104 words
IN A DISK BRAKE FOR VEHICLE WHEELS HAVING A BRAKE DISK ROTATABLE WITH THE WHEEL, A YOKE MEMBER STRADDLING A PORTION OF SAID BRAKE DISK AND CLOSELY SPACED FROM SAID WHEEL, A BRAKE SHOE SLIDABLY AND REMOVABLY MOUNTED ON SAID YOKE MEMBER, AND A BRAKE ACTUATING PISTON CARRIED BY SAID YOKE MEMBER ADAPTED TO ACTUATE SAID BRAKE SHOE, THAT IMPROVEMENT WHICH COMPRISES, A COOLING FIN HAVING A HEAT TRANSMITTING CONNECTION WITH SAID BRAKE SHOE, SAID COOLING FIN EXTENDING FROM SAID BRAKE SHOE AND THROUGH THE SPACE BETWEEN SAID YOKE AND SAID WHEEL TO A LOCATION AXIALLY BEYOND SAID WHEEL EXPOSED TO THE SURROUNDING ATMOSPHERE.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |