US2603580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire building drum
Assignee: Uniroyal Inc
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Filing: 1949-07-07
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Granted: 1952-07-15
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Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 Cicco Anthony R Di
- 👤 Donald E Ericson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:13
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24; B29D30/244; B29D30/248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SPACED ARCUATE SEGMENTS COLLECTIVELY DESCRIBING A CONTIGUOUS CIRCLE, A HOLLOW SHAFT, AT LEAST TWO, SPACED, PARALLEL LINKS PIVOTALLY ATTACHED AT ONE OF THEIR ENDS TO EACH SEGMENT AND AT THEIR OTHER END TO SAID HOLLOW SHAFT, A SHAFT EXTENDING AXIALLY THROUGH THE HOLLOW SHAFT, A HUB ATTACHED TO THE SHAFT, AN ARM FOR EACH SEGMENT PIVOTALLY ATTACHED AT ONE END TO THE SEGMENT END OF ONE OF SAID PARALLEL LINKS AND AT ITS OTHER END TO SAID HUB, AND MEANS FOR MVOING SAID SHAFT AXIALLY OF THE HOLLOW SHAFT, WHEREBY SAID LINKS ARE MOVED ABOUT THEIR PIVOTS AND THE SEGMENTS COLLAPSED TO REDUCE THE DIAMETER OF THE DRUM.
Claim 2
Dependent Claim
116 words
A TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SPACED ARCUATE SEGMENTS COLLECTIVELY DESCRIBING A CONTIGUOUS CIRCLE, A HOLLOW SHAFT, AT LEAST TWO, SPACED, PARALLEL LINKS PIVOTALLY ATTACHED AT ONE OF THEIR ENDS TO EACH SEGMENT AND AT THEIR OTHER END TO SAID HOLLOW SHAFT, A SHAFT EXTENDING AXIALLY THROUGH THE HOLLOW SHAFT, A HUB ATTACHED TO THE SHAFT, AN ARM FOR EACH SEGMENT PIVOTALLY ATTACHED AT ONE END TO THE SEGMENT END OF ONE OF SAID PARALLEL LINKS AND AT ITS OTHER END TO SAID HUB, AND MEANS FOR MVOING SAID SHAFT AXIALLY OF THE HOLLOW SHAFT, WHEREBY SAID LINKS ARE MOVED ABOUT THEIR PIVOTS AND THE SEGMENTS COLLAPSED TO REDUCE THE DIAMETER OF THE DRUM.
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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |