US3178331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire building drum
Assignee: Akron Standard Mold Co
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Filing: 1962-06-05
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Granted: 1965-04-13
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Earl L Bishop
- 👤 Stephen C Sabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:48
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A COLLAPSIBLE TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SEGMENT ASSEMBLIES ARRANGED TO FORM A CONTINUOUS TIRE BUILDING SURFACE, A SHAFT SPACED WITHINSAID SEGMENT ASSEMBLIES ADAPTED FO ROTATING SAID DRUM, CAM MEANS ATTACHED TO AND ADAPTED FRO AXIAL MOVEMENT RELATIVE TO SAID SHAFT, CAM FOLLOWER MEANS DISPOSED BETWEEN SAID CAM MEANS AND SAID SEGMENT ASSEMBLIES FOR COLLAPSING AND EXPLURALITY OF RECESSED CAM SLOTS AND A PLURALITY OF UPSTANDING CAM SURFACES ALTERNATELY DISPOSED INTERMEDIATE SAID RECESSED CAM SLOTS FOR MOVING CERTAIN OF SAID SEGMENT ASSEMBLIES RADIALLY IN ADVANCE OF OTHER OF SAID SEGMENT ASSEMBLIES UPON COLLAPSING OF THE DRUM, AND FOR MOVING SAID OTHER OF SAID SEGMENT ASSEMBLIES RADIALLY IN ADVANCE OF SAID FIRST MENTIONED SEGMENT ASSEMBLIES UPON EXPANDING OF THE DRUM.
Claim 2
Dependent Claim
121 words
A COLLAPSIBLE TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SEGMENT ASSEMBLIES ARRANGED TO FORM A CONTINUOUS TIRE BUILDING SURFACE, A SHAFT SPACED WITHINSAID SEGMENT ASSEMBLIES ADAPTED FO ROTATING SAID DRUM, CAM MEANS ATTACHED TO AND ADAPTED FRO AXIAL MOVEMENT RELATIVE TO SAID SHAFT, CAM FOLLOWER MEANS DISPOSED BETWEEN SAID CAM MEANS AND SAID SEGMENT ASSEMBLIES FOR COLLAPSING AND EXPLURALITY OF RECESSED CAM SLOTS AND A PLURALITY OF UPSTANDING CAM SURFACES ALTERNATELY DISPOSED INTERMEDIATE SAID RECESSED CAM SLOTS FOR MOVING CERTAIN OF SAID SEGMENT ASSEMBLIES RADIALLY IN ADVANCE OF OTHER OF SAID SEGMENT ASSEMBLIES UPON COLLAPSING OF THE DRUM, AND FOR MOVING SAID OTHER OF SAID SEGMENT ASSEMBLIES RADIALLY IN ADVANCE OF SAID FIRST MENTIONED SEGMENT ASSEMBLIES UPON EXPANDING OF THE DRUM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |