Patent US4356459A successfully refreshed from Google Patents.
Patent US3189129A successfully refreshed from Google Patents.
US3189129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake shoe retainer
Assignee: Bendix Corp
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Filing: 1962-10-04
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Granted: 1965-06-15
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Richard T Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:29
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D55/00; F16D55/02; F16D55/22; F16D55/228; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D65/097; F16D65/0973; F16D65/0974; F16D65/0975; F16D65/0979; F16D2055/0004; F16D2055/0016; F16D2055/002; F16D2121/00; F16D2121/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A DISK BRAKE: A ROTOR HAVING FRICTION SURFACES THEREON, A HOUSING HAVING A BORE, A PISTON SLIDABLE IN SAID BORE FORWARD AND AWAY FROM SAID ROTOR FRICTION SURFACES, A BRAKE SHOE COMPRISING A BACKING PLATE WITH FRICTION LINING AFFIXED TO THE FRONT FACE THEREOF, SAID BACKING PLATE HAVING PORTIONS EXTENDING BEYOND THE RADIALLY INNER AND RADIALLY OUTER PERIPHERAL EDGES OF SAID LINING, A GENERALLY FLAT USHAPED RESILIENT MEMBER, A PLURALITY OF TABS ATTACHED TO SAID RESILIENT MEMBER AND SPACED FROM ONE FACE THEREOF TO FORM GROOVES, SAID BACKING PLATE PORTIONS BEING RECEIVED WITHIN SAID GROOVES FOR SECURING SAID RESILIENT MEMBER TO SAID BRAKE SHOE, SAID ONE FACE OF SAID RESILIENT MEMBER ENGAGING THE REAR FACE OF SAID BACKING PLATE AND EXPOSING THE PORTION OF SAID REAR FACE OF SAID BACKING PLATE BETWEEN THE LEGS OF SAID U-SHAPED MEMBER, FLANGE MEANS ATTACHED TO SAID LEGS OVERLYING A PORTION OF SAID EXPOSED PORTION OF SAID REAR FACE OF SAID BACKING PLATE AND SPACED THEREFROM, SAID PISTON HAVING AN ANNULAR GROOVE SPACED FROM ITS FRONT FACE, SAID FLANGE MEANS BEING DISPOSED WITHIN SAID ANNULAR GROOVE, SAID PISTON FRONT FACE ENGAGING THE EXPOSED REAR FACE OF SAID BACKING PLATE.
Claim 2
Dependent Claim
196 words
IN A DISK BRAKE: A ROTOR HAVING FRICTION SURFACES THEREON, A HOUSING HAVING A BORE, A PISTON SLIDABLE IN SAID BORE FORWARD AND AWAY FROM SAID ROTOR FRICTION SURFACES, A BRAKE SHOE COMPRISING A BACKING PLATE WITH FRICTION LINING AFFIXED TO THE FRONT FACE THEREOF, SAID BACKING PLATE HAVING PORTIONS EXTENDING BEYOND THE RADIALLY INNER AND RADIALLY OUTER PERIPHERAL EDGES OF SAID LINING, A GENERALLY FLAT USHAPED RESILIENT MEMBER, A PLURALITY OF TABS ATTACHED TO SAID RESILIENT MEMBER AND SPACED FROM ONE FACE THEREOF TO FORM GROOVES, SAID BACKING PLATE PORTIONS BEING RECEIVED WITHIN SAID GROOVES FOR SECURING SAID RESILIENT MEMBER TO SAID BRAKE SHOE, SAID ONE FACE OF SAID RESILIENT MEMBER ENGAGING THE REAR FACE OF SAID BACKING PLATE AND EXPOSING THE PORTION OF SAID REAR FACE OF SAID BACKING PLATE BETWEEN THE LEGS OF SAID U-SHAPED MEMBER, FLANGE MEANS ATTACHED TO SAID LEGS OVERLYING A PORTION OF SAID EXPOSED PORTION OF SAID REAR FACE OF SAID BACKING PLATE AND SPACED THEREFROM, SAID PISTON HAVING AN ANNULAR GROOVE SPACED FROM ITS FRONT FACE, SAID FLANGE MEANS BEING DISPOSED WITHIN SAID ANNULAR GROOVE, SAID PISTON FRONT FACE ENGAGING THE EXPOSED REAR FACE OF SAID BACKING PLATE.
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |