Patent US3185259A successfully refreshed from Google Patents.
US3185259A
Expired / Lapsed
US
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Self energizing, spot disc brakes
Assignee: Whitnash PLC
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Filing: 1962-11-06
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Granted: 1965-05-25
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Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Chouings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:07
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/42; F16D65/46; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/2255; F16D2127/00; F16D2127/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A DISC BRAKE COMPRISING A FIXED SUPPORT FOR ATTACHMENT TO A WHEEL ASSEMBLY, A PAIR OF ARMS MOUNTED ON SAID SUPPORT FOR SWINGING MOVEMENT IN A HORIZONTAL PLANE, NORMAL TO THE PLANE OF ROTATION OF THE BRAKE DISC, LINK MEANS INTERCONNECTING ONE END OF SAID ARMS, BRAKE PAD MEANS CARRIED BY EACH SAID ARM, BRAKE ACTUATING MEANS COMPRISING A FLUID ACTUATED CYLINDER AND A BRAKE ACTUATING LEVER SELECTIVELY OPERATIVELY CONNECTED TO ONE OF SAID ARMS TO EFFECT A SWINGING MOVEMENT OF SAID ONE ARM TO BRING ITS BRAKE PAD MEANS INTO CONTACT WITH A BRAKE DISC FOR THE WHEEL ASSEMBLY, THE REACTION FORCE SET UP RESULTING IN SWINGING MOVEMENT OF THE OTHER ARM TO BRING ITS BRAKE PAD MEANS INTO CONTACT WITH THE BRAKE DISC, AND MEANS MOUNTING SAID ONE ARM FOR MOVEMENT IN A LENGTH-
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |