Patent US3343633A successfully refreshed from Google Patents.
US3343633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake release mechanism
Assignee: ThyssenKrupp Budd Co
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Filing: 1962-12-28
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Granted: 1967-09-26
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Kennel
- 👤 Haug John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:13
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/46; F16D51/48; F16D51/52; F16D65/00; F16D65/02; F16D65/04; F16D65/08; F16D65/09; F16D65/091
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
IN A DRUM TYPE BRAKE A BRAKE SHOE RETRACTING, ALIGNING AND SUPPORTING DEVICE COMPRISING, A BACKING PLATE, A STUB ANCHOR ON SAID BACKING PLATE, A BRAKE SHOE MOVABLY MOUNTED ON SAID BACKING PLATE FOR ENGAGEMENT WITH SAID ANCHOR, SAID BRAKE SHOE COMPRISING AN ARCUATE RIM ATTACHED TO A FLAT WEB, SAID RIM OF SAID SHOE BEING SLIDABLY ENGAGED ON SAID BACKING PLATE AND AN END OF SAID WEB BEING SLIDABLY ENGAGEABLE WITH SAID STUB ANCHOR, AN ALIGNMENT ROD PIVOTALLY MOUNTED THROUGH AN APERTURE IN SAID BACKING PLATE AT ITS PIVOTED END AND EXTENDING THROUGH AN APERTURE IN SAID WEB AT ITS OUTER END, A BEARING BUSHING MOUNTED IN SAID APERTURE IN SAID WEB FOR ENGAGEMENT WITH SAID ALIGNMENT ROD, AN ALIGNMENT SPRING CONCENTRICALLY MOUNTED ON THE OUTER END OF SAID ALIGNMENT ROD,
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |