US3292745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual cylinder brake
Assignee: Bendix Corp
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Filing: 1966-02-25
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Granted: 1966-12-20
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Edward K Dombeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:14
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; G; G04; G04B; G04B17/00; G04B17/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
263 words
IN A DRUM BRAKE COMPRISING: A SUPPORT MEMBER HAVING A PAIR OF OPPOSED SURFACES THEREON, A PAIR OF WHEEL CYLINDERS EACH HAVING A BOSS THEREON, EACH OF SAID BOSSES HAVING A GENERALLY FLAT END FACE, MEANS SECURING SAID WHEEL CYLINDERS TO SAID SUPPORT MEMBER IN SUCH A MANER THAT THE FLAT END FACE OF THE BOSS OF ONE OF SAID WHEEL CYLINDERS ENGAGES ONE OF SAID OPPOSED SURFACES AND THE FLAT END FACE OF THE BOSS OF THE OTHER OF SAID WHEEL CYLINDERS ENGAGES THE OTHER OF SAID OPPOSED SURFACES, ONE OF SAID WHEEL CYLINDERS HAVING A HOSE INLET OPENING AND A BLEEDER OPENING COMMUNICATING WITH ITS RESPECTIVE WHEEL CYLINDER FLUID CHAMBER, EACH BOSS HAVING AN INLET PORT AND AN OUTLET PORT COMMUNICATING WITH ITS RESPECTIVE WHEEL CYLINDER FLUID CHAMBER, A PAIR OF SPACED OPENINGS IN SAID SUPPORT MEMBER, SAID WHEEL CYLINDERS BEING ARRANGED ON SAID SUPPORT MEMBER SO THAT ONE OF SAID OPENINGS ON SAID SUPPORT MEMBER IS ALIGNED WITH THE INLET PORT OF ONE OF SAID BOSSES AND THE OUTLET PORT OF THE OTHER OF SAID BOSSES AND THE OTHER OF SAID OPENINGS OF SAID SUPPORT MEMBER IS ALIGNED WITH THE OUTLET PORT OF SAID ONE BOSS AND THE INLET PORT OF SAID OTHER BOSS, AN ANNULAR SPACER MEMBER IN EACH OF SAID OPENINGS OF SAID SUPPORT MEMBER, A PLURALITY OF RESILIENT MEMBERS SURROUNDING A RESPECTIVE ONE OF SAID PORTS AND BEING COMPRESSED BETWEEN ITS RESPECTIVE END FACE AND ITS RESPECTIVE END OF SAID SPACER MEMBER TO PROVIDE A FLUID TIGHT CONNECTION BETWEEN EACH SET OF OPPOSING INLET AND OUTLET PORTS.
Claim 2
Dependent Claim
263 words
IN A DRUM BRAKE COMPRISING: A SUPPORT MEMBER HAVING A PAIR OF OPPOSED SURFACES THEREON, A PAIR OF WHEEL CYLINDERS EACH HAVING A BOSS THEREON, EACH OF SAID BOSSES HAVING A GENERALLY FLAT END FACE, MEANS SECURING SAID WHEEL CYLINDERS TO SAID SUPPORT MEMBER IN SUCH A MANER THAT THE FLAT END FACE OF THE BOSS OF ONE OF SAID WHEEL CYLINDERS ENGAGES ONE OF SAID OPPOSED SURFACES AND THE FLAT END FACE OF THE BOSS OF THE OTHER OF SAID WHEEL CYLINDERS ENGAGES THE OTHER OF SAID OPPOSED SURFACES, ONE OF SAID WHEEL CYLINDERS HAVING A HOSE INLET OPENING AND A BLEEDER OPENING COMMUNICATING WITH ITS RESPECTIVE WHEEL CYLINDER FLUID CHAMBER, EACH BOSS HAVING AN INLET PORT AND AN OUTLET PORT COMMUNICATING WITH ITS RESPECTIVE WHEEL CYLINDER FLUID CHAMBER, A PAIR OF SPACED OPENINGS IN SAID SUPPORT MEMBER, SAID WHEEL CYLINDERS BEING ARRANGED ON SAID SUPPORT MEMBER SO THAT ONE OF SAID OPENINGS ON SAID SUPPORT MEMBER IS ALIGNED WITH THE INLET PORT OF ONE OF SAID BOSSES AND THE OUTLET PORT OF THE OTHER OF SAID BOSSES AND THE OTHER OF SAID OPENINGS OF SAID SUPPORT MEMBER IS ALIGNED WITH THE OUTLET PORT OF SAID ONE BOSS AND THE INLET PORT OF SAID OTHER BOSS, AN ANNULAR SPACER MEMBER IN EACH OF SAID OPENINGS OF SAID SUPPORT MEMBER, A PLURALITY OF RESILIENT MEMBERS SURROUNDING A RESPECTIVE ONE OF SAID PORTS AND BEING COMPRESSED BETWEEN ITS RESPECTIVE END FACE AND ITS RESPECTIVE END OF SAID SPACER MEMBER TO PROVIDE A FLUID TIGHT CONNECTION BETWEEN EACH SET OF OPPOSING INLET AND OUTLET PORTS.
References Cited (Backward Citations)
US2496562A
Cited
GB788586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |