US3085663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic adjusting device for disc brakes
Assignee: Whitnash PLC
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Filing: 1961-10-27
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Granted: 1963-04-16
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Jakeways Frederick Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:04
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/14; F16D65/16; F16D65/18; F16D2121/00; F16D2121/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN AUTOMATIC ADJUSTING DEVICE FOR A BRAKE COMPRISING A HOUSING HAVING A CYLINDER THEREIN WITH ONE END OF SAID CYLINDER BEING OPEN, A FLUID OPERATED PISTON DISPOSED IN SAID CYLINDER FOR MOVEMENT THROUGH THE OPEN END OF SAID CYLINDER, SAID PISTON BEING CLOSED ACROSS ITS DIAMETER ADJACENT SAID OPEN END, A CYLINDRICAL AXIALLY EXTENDING RECESS IN SAID PISTON OPENING INTO SAID CYLINDER AND DISPOSED OPPOSITE THE CLOSED END OF THE PISTON, AND AXIALLY EXTENDING PIN FIXED AT ONE END TO SAID HOUSING AND HAVING ITS OTHER END EXTENDING INTO SAID AXIAL RECESS, FRICTION MEANS COMPLETELY ENCLOSED WITHIN SAID AXIAL RECESS AND ENCIRCLING SAID PIN AND IN FRICTIONAL ENGAGEMENT WITH THE CIRCUMFERENCE OF SAID AXIAL RECESS, SAID FRICTION MEANS BEING MOVABLE AXIALLY RELATIVE TO SAID PIN AND PISTON, AND BIASING MEANS MOUNTED ON SAID PIN AND COMPLETELY ENCLOSED WITHIN SAID AXIAL RECESS FOR NORMALLY URGING SAID FRICTION MEANS IN AN AXIAL DIRECTION AWAY FROM THE OPEN END OF SAID CYLINDER.
Claim 2
Dependent Claim
159 words
AN AUTOMATIC ADJUSTING DEVICE FOR A BRAKE COMPRISING A HOUSING HAVING A CYLINDER THEREIN WITH ONE END OF SAID CYLINDER BEING OPEN, A FLUID OPERATED PISTON DISPOSED IN SAID CYLINDER FOR MOVEMENT THROUGH THE OPEN END OF SAID CYLINDER, SAID PISTON BEING CLOSED ACROSS ITS DIAMETER ADJACENT SAID OPEN END, A CYLINDRICAL AXIALLY EXTENDING RECESS IN SAID PISTON OPENING INTO SAID CYLINDER AND DISPOSED OPPOSITE THE CLOSED END OF THE PISTON, AND AXIALLY EXTENDING PIN FIXED AT ONE END TO SAID HOUSING AND HAVING ITS OTHER END EXTENDING INTO SAID AXIAL RECESS, FRICTION MEANS COMPLETELY ENCLOSED WITHIN SAID AXIAL RECESS AND ENCIRCLING SAID PIN AND IN FRICTIONAL ENGAGEMENT WITH THE CIRCUMFERENCE OF SAID AXIAL RECESS, SAID FRICTION MEANS BEING MOVABLE AXIALLY RELATIVE TO SAID PIN AND PISTON, AND BIASING MEANS MOUNTED ON SAID PIN AND COMPLETELY ENCLOSED WITHIN SAID AXIAL RECESS FOR NORMALLY URGING SAID FRICTION MEANS IN AN AXIAL DIRECTION AWAY FROM THE OPEN END OF SAID CYLINDER.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |