US3395584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake actuators
Assignee: Rockwell-Standard Corp
•
Filing: 1966-03-22
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Granted: 1968-08-06
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Expires: 1986-03-22
Abstract
No abstract record available.
Inventors
- 👤 Frank T Cox
- 👤 William J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:01
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D2125/00; F16D2125/18; F16D2125/58; F16D2125/66; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A BRAKE ASSEMBLY OF THE TYPE WHEREIN A RECIPROCABLE WEDGE ACTUATOR PROJECTS INTO AN ACTUATOR HOUSING MEMBER CONTAINING TWO OPPOSITELY SLIDABLE BRAKE SHOE ASSOCIATED PLUNGERS DISPOSED IN ALIGNED BORES HAVING A COMMON AXIS AND A FLUID PRESSURE MOTOR HAS A TUBULAR CASING EXTENSION MEMBER THREADEDLY COUPLED WITH SAID HOUSING MEMBER WITH SAID WEDGE ACTUATOR EXTENDING THROUGH SAID CAUSING EXTENSION MEMBER BETWEEN A FLUID PRESSURE RESPONSIVE ELEMENT OF SAID MOTOR AND THE INNER ENDS OF SAID PLUNGERS, SAID HOUSING MEMBER HAVING A THREADED BORE INTO WHICH THE THREADED END OF SAID CASING EXTENSION MEMBER EXTENDS THE IMPROVEMENT THAT COMPRISES AN AXIALLY OUTWARDLY FACING ABUTMENT WITHIN SAID THREADED BORE AGAINST WHICH THE END OF SAID CASING EXTENSION MEMBER IS FIRMLY SEATED IN A PLANE DISPOSED AT A FIXED DISTANCE FROM THE AXIS OF RECIPROCATION OF SAID PLUNGERS, AND MEANS FOR NON-ROTATABLY SECURING SAID CASING EXTENSION MEMBER TO SAID ACTUATOR HOUSING MEMBER.
Claim 2
Dependent Claim
150 words
IN A BRAKE ASSEMBLY OF THE TYPE WHEREIN A RECIPROCABLE WEDGE ACTUATOR PROJECTS INTO AN ACTUATOR HOUSING MEMBER CONTAINING TWO OPPOSITELY SLIDABLE BRAKE SHOE ASSOCIATED PLUNGERS DISPOSED IN ALIGNED BORES HAVING A COMMON AXIS AND A FLUID PRESSURE MOTOR HAS A TUBULAR CASING EXTENSION MEMBER THREADEDLY COUPLED WITH SAID HOUSING MEMBER WITH SAID WEDGE ACTUATOR EXTENDING THROUGH SAID CAUSING EXTENSION MEMBER BETWEEN A FLUID PRESSURE RESPONSIVE ELEMENT OF SAID MOTOR AND THE INNER ENDS OF SAID PLUNGERS, SAID HOUSING MEMBER HAVING A THREADED BORE INTO WHICH THE THREADED END OF SAID CASING EXTENSION MEMBER EXTENDS THE IMPROVEMENT THAT COMPRISES AN AXIALLY OUTWARDLY FACING ABUTMENT WITHIN SAID THREADED BORE AGAINST WHICH THE END OF SAID CASING EXTENSION MEMBER IS FIRMLY SEATED IN A PLANE DISPOSED AT A FIXED DISTANCE FROM THE AXIS OF RECIPROCATION OF SAID PLUNGERS, AND MEANS FOR NON-ROTATABLY SECURING SAID CASING EXTENSION MEMBER TO SAID ACTUATOR HOUSING MEMBER.
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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |