Patent US3349871A successfully refreshed from Google Patents.
US3349871A
Expired / Lapsed
US
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Brake pad structure
Assignee: Dayton Steel Foundry Co
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Filing: 1965-07-08
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Granted: 1967-10-31
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 William D Walther
- 👤 Carlos P Afanador
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:30
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D55/00; F16D2055/0075; F16D2055/0091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A DISK BRAKE, AN IMPROVED BRAKE PAD SUPPPORTING ARRANGEMENT COMPRISING A TORQUE MEMBER, A BACKING PLATE, MEANS ON SAID BAKING PLATE SUPPORTING A PAD OF FRICTION MATERIAL, SAID PAD HAVING A FACE SURFACE ENGAGEABLE WITH THE DISK AND A BACK SUPPORTED ON SAID PLATE FORMFROM SAID FACE SURFACE, MEANS ON SAID BACKING PLATE FORMING A PAIR OF SUPPORTS WHICH ARE OFFSET FORWARDLY IN A DIRECTION TOWARD THE FACE OF SAID PAD AND WHICH FORM SPACED APART SLIDING TORQUE TRANSMITTING CONNECTIONS WITH SAID TORQUE MEMBER WHICH CONNECTIONS LIE ALONG A LINE WHICH IS SUBSTANTIALLY MIDWAY BETWEEN THE FACE AND THE BACK OF SAID PAD PROVIDING A MOMENT ARM BETWEEN THE BRAKE FORCE APPLIED TO SAID PAD AT SAID BRAKING SURFACE AND THE REACTION FORCE APPLIED TO SAID PLATE AT SAID SPACED TORQUE TRANSMITTING CONNECTIONS WHICH PROGRESSIVELY DECREASES TOWARD ZERO AND THEN INCREASES AS SAID PAD WEARS.
Claim 2
Dependent Claim
146 words
IN A DISK BRAKE, AN IMPROVED BRAKE PAD SUPPPORTING ARRANGEMENT COMPRISING A TORQUE MEMBER, A BACKING PLATE, MEANS ON SAID BAKING PLATE SUPPORTING A PAD OF FRICTION MATERIAL, SAID PAD HAVING A FACE SURFACE ENGAGEABLE WITH THE DISK AND A BACK SUPPORTED ON SAID PLATE FORMFROM SAID FACE SURFACE, MEANS ON SAID BACKING PLATE FORMING A PAIR OF SUPPORTS WHICH ARE OFFSET FORWARDLY IN A DIRECTION TOWARD THE FACE OF SAID PAD AND WHICH FORM SPACED APART SLIDING TORQUE TRANSMITTING CONNECTIONS WITH SAID TORQUE MEMBER WHICH CONNECTIONS LIE ALONG A LINE WHICH IS SUBSTANTIALLY MIDWAY BETWEEN THE FACE AND THE BACK OF SAID PAD PROVIDING A MOMENT ARM BETWEEN THE BRAKE FORCE APPLIED TO SAID PAD AT SAID BRAKING SURFACE AND THE REACTION FORCE APPLIED TO SAID PLATE AT SAID SPACED TORQUE TRANSMITTING CONNECTIONS WHICH PROGRESSIVELY DECREASES TOWARD ZERO AND THEN INCREASES AS SAID PAD WEARS.
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |