Patent US3190399A successfully refreshed from Google Patents.
US3190399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lever actuated, spot type disc brake with automatic adjusting means
Assignee: G L BOWEN AND CO
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Filing: 1963-09-03
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Granted: 1965-06-22
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Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 Glen L Bowen
- 👤 Robert W Lemon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DISC BRAKE MECHANISM COMPRISING A HOUSING, A ROTARY BRAKE DISC MOUNTED EXTERNALLY OF SAID HOUSING, A PAIR OF BRAKE SHOE SITUATED ONE ON EACH SIDE OF SAID BRAKE DISC, EACH BRAKE SHOE BEING SUPPORTED BY A BRAKE OPERATOR IN THE FORM OF A LEVER, AN INTERMEDIATE PORTION OF EACH LEVER BEING MOUNTED UPON SAID HOUSING, A RADIALLY OUTWARD PORTION OF EACH LEVER CARRYING A CAM MEMBER, A BRAKE OPERATING LEVER PIVOTALLY MOUNTED UPON SAID HOUSING, A CAM ELEMENT CARRIED BY SAID BRAKE OPERATING LEVER INTERMEDIATE SAID CAM MEMBERS WHEREBY SAID BRAKE SHOES ARE URGED INTO FRICTIONAL ENGAGEMENT WITH SAID BRAKE DISC UPON MOVEMENT OF SAID BRAKE OPERATING LEVER IN ONE DIRECTION ABOUT ITS PIVOTAL AXIS, A RATCHET WHEEL, A THREADED SHAFT SUPPORTING SAID RATCHET WHEEL, A UNIVERSAL CONNECTION BETWEEN SAID THREADED SHAFT AND ONE OF SAID BRAKE OPERATORS, A PAWL CONNECTED TO THE RADIALLY INWARD END OF SAID BRAKE OPERATING LEVER AND HAVING ITS FREE END ENGAGING SAID RATCHET WHEEL, SAID PAWL BEING ADAPTED TO ROTATE SAID WHEEL UPON MOVEMENT OF SAID BRAKE OPERATING LEVER TO AN EXTREME POSITION IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF SAID BRAKE OPERATING LEVER UPON APPLICATION OF SAID BRAKE.
Claim 2
Dependent Claim
199 words
A DISC BRAKE MECHANISM COMPRISING A HOUSING, A ROTARY BRAKE DISC MOUNTED EXTERNALLY OF SAID HOUSING, A PAIR OF BRAKE SHOE SITUATED ONE ON EACH SIDE OF SAID BRAKE DISC, EACH BRAKE SHOE BEING SUPPORTED BY A BRAKE OPERATOR IN THE FORM OF A LEVER, AN INTERMEDIATE PORTION OF EACH LEVER BEING MOUNTED UPON SAID HOUSING, A RADIALLY OUTWARD PORTION OF EACH LEVER CARRYING A CAM MEMBER, A BRAKE OPERATING LEVER PIVOTALLY MOUNTED UPON SAID HOUSING, A CAM ELEMENT CARRIED BY SAID BRAKE OPERATING LEVER INTERMEDIATE SAID CAM MEMBERS WHEREBY SAID BRAKE SHOES ARE URGED INTO FRICTIONAL ENGAGEMENT WITH SAID BRAKE DISC UPON MOVEMENT OF SAID BRAKE OPERATING LEVER IN ONE DIRECTION ABOUT ITS PIVOTAL AXIS, A RATCHET WHEEL, A THREADED SHAFT SUPPORTING SAID RATCHET WHEEL, A UNIVERSAL CONNECTION BETWEEN SAID THREADED SHAFT AND ONE OF SAID BRAKE OPERATORS, A PAWL CONNECTED TO THE RADIALLY INWARD END OF SAID BRAKE OPERATING LEVER AND HAVING ITS FREE END ENGAGING SAID RATCHET WHEEL, SAID PAWL BEING ADAPTED TO ROTATE SAID WHEEL UPON MOVEMENT OF SAID BRAKE OPERATING LEVER TO AN EXTREME POSITION IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF SAID BRAKE OPERATING LEVER UPON APPLICATION OF SAID BRAKE.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |