US3150746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake adjuster
Assignee: Ford Motor Co
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Filing: 1962-01-02
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Granted: 1964-09-29
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Rumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:25
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/58; F16D51/00; F16D51/46; F16D51/48; F16D51/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A BRAKE ASSEMBLY HAVING A BACKING PLATE AND A PAIR OF ARCUATE BRAKE SHOES MOVABLY CONNECTED TO SAID BACKING PLATE; SAID SHOES HAVING FIRST AND SECOND ADJACENT ENDS; AN ANCHOR PIN SECURED TO SAID BACKING PLATE; SPRING MEANS URGING SAID FIRST ENDS INTO ENGAGEMENT WITH SAID ANCHOR PIN; ACTUATING MEANS ADAPTED TO SEPARATE SAID SECOND ENDS BY PIVOTAL MOVEMENT OF SAID SHOES ABOUT SAID ANCHOR PIN; A RATCHET WHEEL SECURED TO ONE OF SAID SECOND ENDS; SPRING MEANS TENDING TO ROTATE SAID RATCHET WHEEL; SAID RATCHET WHEEL HAVING A PROGRESSIVELY INCREASING DIAMETER; THE OTHER OF SAID SECOND ENDS HAVING A PAWL PORTION ENGAGING SAID RATCHET WHEEL; AND SPRING MEANS URGING SAID PAWL PORTION INTO ENGAGEMENT WITH SAID RATCHET WHEEL.
Claim 2
Dependent Claim
119 words
A BRAKE ASSEMBLY HAVING A BACKING PLATE AND A PAIR OF ARCUATE BRAKE SHOES MOVABLY CONNECTED TO SAID BACKING PLATE; SAID SHOES HAVING FIRST AND SECOND ADJACENT ENDS; AN ANCHOR PIN SECURED TO SAID BACKING PLATE; SPRING MEANS URGING SAID FIRST ENDS INTO ENGAGEMENT WITH SAID ANCHOR PIN; ACTUATING MEANS ADAPTED TO SEPARATE SAID SECOND ENDS BY PIVOTAL MOVEMENT OF SAID SHOES ABOUT SAID ANCHOR PIN; A RATCHET WHEEL SECURED TO ONE OF SAID SECOND ENDS; SPRING MEANS TENDING TO ROTATE SAID RATCHET WHEEL; SAID RATCHET WHEEL HAVING A PROGRESSIVELY INCREASING DIAMETER; THE OTHER OF SAID SECOND ENDS HAVING A PAWL PORTION ENGAGING SAID RATCHET WHEEL; AND SPRING MEANS URGING SAID PAWL PORTION INTO ENGAGEMENT WITH SAID RATCHET WHEEL.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |