US3371753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic quick-slack-take-up pulsator for disk brakes
Assignee: Continental Teves AG and Co OHG
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Filing: 1966-08-15
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Granted: 1968-03-05
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Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Meier Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:24
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/2255; F16D55/228; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/56; F16D65/567; F16D2121/00; F16D2121/02; F16D2121/14; F16D2123/00; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/22; F16D2125/24; F16D2125/28; F16D2125/32; F16D2125/34; F16D2125/40; F16D2127/00; F16D2127/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A HYDRAULIC DISK BRAKE, IN COMBINATION, A DISK ROTATABLE ABOUT ITS AXIS AND COUPLED WITH A MASS TO BE DECELERATED; SUPPORT MEANS ADJACENT SAID DISK; A HOUSING ON SAID SUPPORT MEANS FORMING AT LEAST ONE FLUID CHAMBER; FIRST AND SECOND BRAKE SHOES ON SAID SUPPORT BRACKETING A PERIPHERAL ZONE OF SAID DISK, AT LEAST SAID FIRST BRAKE SHOE BEING MOVABLE WITH REFERENCE TO SAID SUPPORT MEANS; A CYLINDERR CARRIED BY SAID SUPPORT MEANS; A MAIN PISTON WITH A RELATIVELY LARGE WORKING FACE IN SAID CYLINDER; AN AUXILIARY PISTON WITH A RELATIVELY SMALL WORKING FACE IN SAID CHAMBER AND WITH A CONTACT SURFACE ADJACENT SAID FIRST BRAKE SHOE FOR DRIVING SAME INTO ENGAGEMENT WITH SAID DISK; UNDIRECTIONALLY EFFECTIVE COUPLING MEANS BETWEEN SAID PISTONS; AND FLUID-SOURCE MEANS CONNECTABLE WITH SAID CHAMBER AND SAID CYLINDER FOR SUBSTANTIALLY CONCURRENTLY APPLYING A HYDRAULIC LIQUID UNDER PRESSURE TO BOTH SAID WORKING FACES FOR OPERATIVELY DISPLACING SAID SECONDARY PISTON TOWARD SAID DISK AND SAID MAIN
Claim 2
Dependent Claim
159 words
IN A HYDRAULIC DISK BRAKE, IN COMBINATION, A DISK ROTATABLE ABOUT ITS AXIS AND COUPLED WITH A MASS TO BE DECELERATED; SUPPORT MEANS ADJACENT SAID DISK; A HOUSING ON SAID SUPPORT MEANS FORMING AT LEAST ONE FLUID CHAMBER; FIRST AND SECOND BRAKE SHOES ON SAID SUPPORT BRACKETING A PERIPHERAL ZONE OF SAID DISK, AT LEAST SAID FIRST BRAKE SHOE BEING MOVABLE WITH REFERENCE TO SAID SUPPORT MEANS; A CYLINDERR CARRIED BY SAID SUPPORT MEANS; A MAIN PISTON WITH A RELATIVELY LARGE WORKING FACE IN SAID CYLINDER; AN AUXILIARY PISTON WITH A RELATIVELY SMALL WORKING FACE IN SAID CHAMBER AND WITH A CONTACT SURFACE ADJACENT SAID FIRST BRAKE SHOE FOR DRIVING SAME INTO ENGAGEMENT WITH SAID DISK; UNDIRECTIONALLY EFFECTIVE COUPLING MEANS BETWEEN SAID PISTONS; AND FLUID-SOURCE MEANS CONNECTABLE WITH SAID CHAMBER AND SAID CYLINDER FOR SUBSTANTIALLY CONCURRENTLY APPLYING A HYDRAULIC LIQUID UNDER PRESSURE TO BOTH SAID WORKING FACES FOR OPERATIVELY DISPLACING SAID SECONDARY PISTON TOWARD SAID DISK AND SAID MAIN
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |