US3310135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot-type disc brake
Assignee: Girling Ltd
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Filing: 1966-01-19
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Granted: 1967-03-21
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Wells Kenneth John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:01
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D55/2262; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D2055/0004; F16D2055/0008; F16D2055/0037; F16D2055/0041; F16D2121/00; F16D2121/02; F16D2121/14; F16D2123/00; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/22; F16D2125/28; F16D2125/32; F16D2127/00; F16D2127/08; F16D2127/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A DISC BRAKE COMPRISING A ROTATABLE DISC, A STATIONARY TORQUE-TAKING MEMBER ADJACENT SAID DISC, FRICTION PADS FOR ENGAGEMENT WITH OPPOSITE SIDES OF SAID DISC CARRIED BY RIGID BACKING PLATES, GUIDES ON SAID TORQUE-TAKING MEMBER WITH WHICH SAID BACKING PLATES ARE IN SLIDING ENGAGEMENT FOR GUIDING THE FRICTION PADS TOWARDS AND AWAY FROM THE DISC, SAID GUIDES BEING INCLINED AT SUCH ANGLES THAT WHEN THE BRAKE IS APPLIED AND THE FRICTION PADS TEND TO BE CARRIED ROUND WITH THE DISC THE FRICTION PADS ARE URGED BY THE GUIDES TOWARDS THE DISC, A CLAMPING MEMBER WHICH STRADDLES SAID FRICTION PADS AND BACKING PLATES AND IS MOUNTED FOR LIMITED TANGENTIAL OR CIRCUMFERENTIAL MOVEMENT RELATIVE TO SAID TORQUE TAKING MEMBER AND FOR MOVEMENT IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF THE DISC AND MEANS IN SAID CLAMPING MEMBER FOR URGING ONE OF SAID FRICTION PADS INTO ENGAGEMENT WITH THE DISC, THE OTHER PAD BEING APPLIED TO THE DISC BY THE REACTION ON THE CLAMPING MEMBER.
Claim 2
Dependent Claim
163 words
A DISC BRAKE COMPRISING A ROTATABLE DISC, A STATIONARY TORQUE-TAKING MEMBER ADJACENT SAID DISC, FRICTION PADS FOR ENGAGEMENT WITH OPPOSITE SIDES OF SAID DISC CARRIED BY RIGID BACKING PLATES, GUIDES ON SAID TORQUE-TAKING MEMBER WITH WHICH SAID BACKING PLATES ARE IN SLIDING ENGAGEMENT FOR GUIDING THE FRICTION PADS TOWARDS AND AWAY FROM THE DISC, SAID GUIDES BEING INCLINED AT SUCH ANGLES THAT WHEN THE BRAKE IS APPLIED AND THE FRICTION PADS TEND TO BE CARRIED ROUND WITH THE DISC THE FRICTION PADS ARE URGED BY THE GUIDES TOWARDS THE DISC, A CLAMPING MEMBER WHICH STRADDLES SAID FRICTION PADS AND BACKING PLATES AND IS MOUNTED FOR LIMITED TANGENTIAL OR CIRCUMFERENTIAL MOVEMENT RELATIVE TO SAID TORQUE TAKING MEMBER AND FOR MOVEMENT IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF THE DISC AND MEANS IN SAID CLAMPING MEMBER FOR URGING ONE OF SAID FRICTION PADS INTO ENGAGEMENT WITH THE DISC, THE OTHER PAD BEING APPLIED TO THE DISC BY THE REACTION ON THE CLAMPING MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |