US3165173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brakes
Assignee: DBA SA
•
Filing: 1962-11-26
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Granted: 1965-01-12
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Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Rene Louis Alphonse Thirion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:33
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D55/2262; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D65/097; F16D65/0973; F16D65/0974; F16D65/0977; F16D65/0978; F16D65/0979; F16D65/14; F16D65/16; F16D65/18; F16B; F16B2200/00; F16B2200/30; F16D2055/0004; F16D2055/0008; F16D2055/0016; F16D2055/002; F16D2121/00; F16D2121/02; F16D2121/14; F16D2125/00; F16D2125/02; F16D2125/06; F16D2125/18; F16D2125/20; F16D2125/22; F16D2125/28; F16D2125/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
240 words
IN A DISK BRAKE, A CONNECTION BETWEEN A PISTON AND A FRICTION MEMBER COMPRISING: A PISTON HAVING A FRICTION MEMBER ENGAGING FACE, A RECESS IN SAID FACE, A RESILIENT MEMBER SECURED TO SAID PISTON AND LOCATED IN SAID RECESS, SAID RESILIENT MEMBER HAVING AN OPENING THEREIN, A SPOOL SHAPED MEMBER HAVING A NECK PORTION BETWEEN THE ENDS THEREOF, EACH END OF SAID SPOOL SHAPED MEMBER DEFINING A HEAD, ONE OF SAID HEADS BEING OF GREATER DIMENSION THAN SAID OPENING, AND LOCATED BETWEEN SAID RESILIENT MEMBER AND THE BOTTOM OF SAID RECESS WHEREBY SAID SPOOL SHAPED MEMBER IS SECURED TO SAID PISTON, SAID NECKED PORTION OF SAID SPOOL SHAPED MEMBER EXTENDING THROUGH SAID OPENING AWAY FROM SAID PISTON FACE, SAID FRICTION MEMBER COMPRISING A BACKING PLATE AND A FRICTION LINING SECURED THERETO, AN OPENING IN SAID BACKING PLATE, A FIRST PORTION OF SAID BACKING PLATE OPENING BEING SMALLER THAN SAID HEAD OF SAID SPOOL SHAPED MEMBER AND A SECOND PORTION OF SAID BACKING PLATE OPENING BEING SMALLER THAN SAID OTHER HEAD, SAID NECKED PORTION EXTENDING THROUGH SAID SECOND PORTION OF SAID BACKING PLATE OPENING AND SAID OTHER HEAD BEING LOCATED BETWEEN SAID BACKING PLATE AND SAID LINING WHEREBY SAID FRICTION MEMBER IS SECURED TO SAID PISTON, SAID SPOOL SHAPED MEMBER BEING OF SUCH A LENGTH TO STRESS SAID RESILIENT MEMBER WHEN SAID FRICTION MEMBER IS ATTACHED TO SAID PISTON WHEREBY SAID FRICTION MEMBER IS BIASED INTO ENGAGEMENT WITH SAID PISTON FACE.
Claim 2
Dependent Claim
240 words
IN A DISK BRAKE, A CONNECTION BETWEEN A PISTON AND A FRICTION MEMBER COMPRISING: A PISTON HAVING A FRICTION MEMBER ENGAGING FACE, A RECESS IN SAID FACE, A RESILIENT MEMBER SECURED TO SAID PISTON AND LOCATED IN SAID RECESS, SAID RESILIENT MEMBER HAVING AN OPENING THEREIN, A SPOOL SHAPED MEMBER HAVING A NECK PORTION BETWEEN THE ENDS THEREOF, EACH END OF SAID SPOOL SHAPED MEMBER DEFINING A HEAD, ONE OF SAID HEADS BEING OF GREATER DIMENSION THAN SAID OPENING, AND LOCATED BETWEEN SAID RESILIENT MEMBER AND THE BOTTOM OF SAID RECESS WHEREBY SAID SPOOL SHAPED MEMBER IS SECURED TO SAID PISTON, SAID NECKED PORTION OF SAID SPOOL SHAPED MEMBER EXTENDING THROUGH SAID OPENING AWAY FROM SAID PISTON FACE, SAID FRICTION MEMBER COMPRISING A BACKING PLATE AND A FRICTION LINING SECURED THERETO, AN OPENING IN SAID BACKING PLATE, A FIRST PORTION OF SAID BACKING PLATE OPENING BEING SMALLER THAN SAID HEAD OF SAID SPOOL SHAPED MEMBER AND A SECOND PORTION OF SAID BACKING PLATE OPENING BEING SMALLER THAN SAID OTHER HEAD, SAID NECKED PORTION EXTENDING THROUGH SAID SECOND PORTION OF SAID BACKING PLATE OPENING AND SAID OTHER HEAD BEING LOCATED BETWEEN SAID BACKING PLATE AND SAID LINING WHEREBY SAID FRICTION MEMBER IS SECURED TO SAID PISTON, SAID SPOOL SHAPED MEMBER BEING OF SUCH A LENGTH TO STRESS SAID RESILIENT MEMBER WHEN SAID FRICTION MEMBER IS ATTACHED TO SAID PISTON WHEREBY SAID FRICTION MEMBER IS BIASED INTO ENGAGEMENT WITH SAID PISTON FACE.
References Cited (Backward Citations)
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US2973837A
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US2997137A
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US3042152A
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GB861648A
Cited
FR1251443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |