Patent US3198292A successfully refreshed from Google Patents.
US3198292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brakes with conjugate jaws
Assignee: Automobiles Citroen SA
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Filing: 1963-05-21
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Granted: 1965-08-03
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Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:02
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245; B; B23; B23K; B23K7/00; B65; B65D; B65D35/00; B65D35/24; B65D35/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
290 words
TWIN DISC BRAKES FOR VEHICLES, COMPRISING TWO BRAKE DISCS EACH RIGID WITH A VEHICLE WHEEL, A PAIR OF ELONGATED JAWS COMPRISING THE INNER JAW AND AN OUTER JAW DISPOSED ON OPPOSITE SIDES OF EACH DISC AND POSITIONED IN CHORDAL RELATION TO AN OUTER PERIPHERAL PORTION OF THE RESPECTIVE DISC, WITH OPPOSITE ENDS OF THE JAWS EXTENDING BEYOND THE PERIPHERY OF THE DISC, A FRICTION LINING FIXED ON A CENTRAL PORTION OF ECH OF SAID JAWS ON POSITION TO ENGAGE THE RESPECTIVE DISC, MEANS PIVOTALLY CONNECTING THE FIRST ENDS OF THE TWO JAWS OF EACH PAIR DIRECTLY TO ONE ANOTHER WITH A SINGLE PIVOTAL AXIS, MEANS PIVOTALLY CONNECTING THE SECOND END OF THE INNER JAW OF EACH PAIR TO A FIXED PORTION OF THE VEHICLE, TENSION MEMBERS PIVOTALLY CONNECTED RESPECTIVELY TO THE SECOND ENDS OF THE OUTER JAWS OF SAID PAIRS, SAID TENSION MEMBERS EXTENDING TOWARD ONE ANOTHER THROUGH OPENINGS IN THE SECOND ENDS OF THE RESPECTIVE INNER JAWS, A FLOATING CYLINDER CONNECTED TO ONE OF SAID TENSION MEMBERS, A PISTON IN SAID CYLINDER CONNECTED THE OTHER OF SAID TENSION MEMBERS AND MEANS FOR SUPPLYING PRESSURE FLUID TO SAID CYLINDER TO DRAW SAID TENSION MEMBERS AND OUTER JAWS TOWARD ONE ANOTHER AND THEREBY APPLY SAID FRICTION LINING ON SAID JAWS TO SAID DISCS, THE REACTIVE FORCES OF SAID DISCS ON SAID INNER JAWS BEING TAKEN SOLELY AND DIRECTLY BY AID PIVOTAL CONNECTIONS OF SAID SECOND ENDS OF SAID INNER JAWS TO SAID FIXED PORTIONS OF THE VEHICLE AND THE RECTION FORCES OF SAID DISCS ON SAID OUTER JAWS BEING TAKEN SOLELY AND DIRECTLY BY THE PIVOTAL CONNECTION BETWEEN THE FIRST ENDS OF THE JAWS OF EACH PAIR AND THEREBY TRANSMITTED THROUG SAID INNER JAWS TO SAID FIXED PORTIONS OF THE VEHICLE.
Claim 2
Dependent Claim
290 words
TWIN DISC BRAKES FOR VEHICLES, COMPRISING TWO BRAKE DISCS EACH RIGID WITH A VEHICLE WHEEL, A PAIR OF ELONGATED JAWS COMPRISING THE INNER JAW AND AN OUTER JAW DISPOSED ON OPPOSITE SIDES OF EACH DISC AND POSITIONED IN CHORDAL RELATION TO AN OUTER PERIPHERAL PORTION OF THE RESPECTIVE DISC, WITH OPPOSITE ENDS OF THE JAWS EXTENDING BEYOND THE PERIPHERY OF THE DISC, A FRICTION LINING FIXED ON A CENTRAL PORTION OF ECH OF SAID JAWS ON POSITION TO ENGAGE THE RESPECTIVE DISC, MEANS PIVOTALLY CONNECTING THE FIRST ENDS OF THE TWO JAWS OF EACH PAIR DIRECTLY TO ONE ANOTHER WITH A SINGLE PIVOTAL AXIS, MEANS PIVOTALLY CONNECTING THE SECOND END OF THE INNER JAW OF EACH PAIR TO A FIXED PORTION OF THE VEHICLE, TENSION MEMBERS PIVOTALLY CONNECTED RESPECTIVELY TO THE SECOND ENDS OF THE OUTER JAWS OF SAID PAIRS, SAID TENSION MEMBERS EXTENDING TOWARD ONE ANOTHER THROUGH OPENINGS IN THE SECOND ENDS OF THE RESPECTIVE INNER JAWS, A FLOATING CYLINDER CONNECTED TO ONE OF SAID TENSION MEMBERS, A PISTON IN SAID CYLINDER CONNECTED THE OTHER OF SAID TENSION MEMBERS AND MEANS FOR SUPPLYING PRESSURE FLUID TO SAID CYLINDER TO DRAW SAID TENSION MEMBERS AND OUTER JAWS TOWARD ONE ANOTHER AND THEREBY APPLY SAID FRICTION LINING ON SAID JAWS TO SAID DISCS, THE REACTIVE FORCES OF SAID DISCS ON SAID INNER JAWS BEING TAKEN SOLELY AND DIRECTLY BY AID PIVOTAL CONNECTIONS OF SAID SECOND ENDS OF SAID INNER JAWS TO SAID FIXED PORTIONS OF THE VEHICLE AND THE RECTION FORCES OF SAID DISCS ON SAID OUTER JAWS BEING TAKEN SOLELY AND DIRECTLY BY THE PIVOTAL CONNECTION BETWEEN THE FIRST ENDS OF THE JAWS OF EACH PAIR AND THEREBY TRANSMITTED THROUG SAID INNER JAWS TO SAID FIXED PORTIONS OF THE VEHICLE.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |