US3158230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding plate-type spot disc brakes
Assignee: Whitnash PLC
•
Filing: 1961-09-11
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Granted: 1964-11-24
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Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Chourings Leslie Cyril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:09
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D55/2262; F16D55/228; F16D2055/0004; F16D2055/0008; F16D2055/0016; F16D2055/0025; F16D2055/0041; F16D2055/007; F16D2121/00; F16D2121/02; F16D2123/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A DISC BRAKE ASSEMBLY FOR A ROTATING BRAKE DISC COMPRISING A ONE-PIECE FIXED SUPPORT MEMBER FORMING A CLOSED LOOP WITH A CENTRAL OPENING PERPENDICULAR TO THE PLANE OF ROTATION OF THE BRAKE DISC, A SINGLE SLIDING MEMBER FORMING A CLOSED LOOP WITH A CENTRAL OPENING PERPENDICULAR TO THE PLANE OF ROTATION OF THE BRAKE DISC, SAID FIXED AND SLIDING MEMBERS HAVING THEIR OPENINGS IN VERTICAL ALIGNMENT WITH EACH OTHER, MEANS CONNECTING SAID SINGLE SLIDING MEMBER TO THE TOP SURFACE OF SAID FIXED SUPPORT MEMBER TO PERMIT SLIDABLE MOVEMENT IN ONE DIRECTION ONLY WITH RESPECT TO SAID FIXED MEMBER WHEN A BRAKING FORCE IS APPLIED, A ROTATING BRAKE DISC EXTENDING INTO SAID CENTRAL OPENINGS, BRAKE PAD MEANS DISPOSED IN SAID OPENINGS ON OPPOSITE SIDES OF AND ADJACENT SAID BRAKE DISC FOR APPLYING A BRAKING FORCE THERETO, BRAKE ACTUATING MEANS DISPOSED IN SAID CENTRAL OPENING OF SAID SLIDING MEMBER AND FIXED THERETO FOR MOVEMENT THEREWITH, SAID ACTUATING MEANS BEING DISPOSED ADJACENT ONE OF SAID BRAKE PAD MEANS AND OPPOSITE SAID ROTATING DISC FOR FORCING SAID PAD MEANS AGAINST SAID BRAKE DISC.
Claim 2
Dependent Claim
179 words
A DISC BRAKE ASSEMBLY FOR A ROTATING BRAKE DISC COMPRISING A ONE-PIECE FIXED SUPPORT MEMBER FORMING A CLOSED LOOP WITH A CENTRAL OPENING PERPENDICULAR TO THE PLANE OF ROTATION OF THE BRAKE DISC, A SINGLE SLIDING MEMBER FORMING A CLOSED LOOP WITH A CENTRAL OPENING PERPENDICULAR TO THE PLANE OF ROTATION OF THE BRAKE DISC, SAID FIXED AND SLIDING MEMBERS HAVING THEIR OPENINGS IN VERTICAL ALIGNMENT WITH EACH OTHER, MEANS CONNECTING SAID SINGLE SLIDING MEMBER TO THE TOP SURFACE OF SAID FIXED SUPPORT MEMBER TO PERMIT SLIDABLE MOVEMENT IN ONE DIRECTION ONLY WITH RESPECT TO SAID FIXED MEMBER WHEN A BRAKING FORCE IS APPLIED, A ROTATING BRAKE DISC EXTENDING INTO SAID CENTRAL OPENINGS, BRAKE PAD MEANS DISPOSED IN SAID OPENINGS ON OPPOSITE SIDES OF AND ADJACENT SAID BRAKE DISC FOR APPLYING A BRAKING FORCE THERETO, BRAKE ACTUATING MEANS DISPOSED IN SAID CENTRAL OPENING OF SAID SLIDING MEMBER AND FIXED THERETO FOR MOVEMENT THEREWITH, SAID ACTUATING MEANS BEING DISPOSED ADJACENT ONE OF SAID BRAKE PAD MEANS AND OPPOSITE SAID ROTATING DISC FOR FORCING SAID PAD MEANS AGAINST SAID BRAKE DISC.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |