US3375154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire building drum
Assignee: Akron Standard Mold Co
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Filing: 1965-04-09
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Granted: 1968-03-26
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 William C Ruttenberg
- 👤 Teater Woodrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:09
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A COLLAPSIBLE TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SEGMENT ASSEMBLIES ARRANGED TO FORM A CONTINUOUS TIRE BUILDING SURFACE, A SHAFT SPACED WITHIN SAID SEGMENT ASSEMBLIES AND ADAPTED FOR ROTATING SAID DRUM, A CONE MEMBER MOUNTED ON AND ADAPTED FOR AXIAL MOVEMENT RELATIVE TO SAID SHAFT, A PLURALITY OF ANGULARLY DISPOSED PIN MEANS MOUNTED ON AND IN CIRCUMFERENTIALLY SPACED RELATIONSHIP AROUND SAID CONE MEMBER, SAID SEGMENT ASSEMBLIES BEING SLIDEABLY MOUNTED ON SAID PIN MEANS FOR RADIAL COLLAPSING AND EXPANDING MOVEMENT JOF SAID SEGMENT ASSEMBLIES UPON AXIAL MOVEMENT JOF SAID CONE MEMBER RELATIVE SAID SHAFT.
Claim 2
Dependent Claim
94 words
A COLLAPSIBLE TIRE BUILDING DRUM COMPRISING, A PLURALITY OF SEGMENT ASSEMBLIES ARRANGED TO FORM A CONTINUOUS TIRE BUILDING SURFACE, A SHAFT SPACED WITHIN SAID SEGMENT ASSEMBLIES AND ADAPTED FOR ROTATING SAID DRUM, A CONE MEMBER MOUNTED ON AND ADAPTED FOR AXIAL MOVEMENT RELATIVE TO SAID SHAFT, A PLURALITY OF ANGULARLY DISPOSED PIN MEANS MOUNTED ON AND IN CIRCUMFERENTIALLY SPACED RELATIONSHIP AROUND SAID CONE MEMBER, SAID SEGMENT ASSEMBLIES BEING SLIDEABLY MOUNTED ON SAID PIN MEANS FOR RADIAL COLLAPSING AND EXPANDING MOVEMENT JOF SAID SEGMENT ASSEMBLIES UPON AXIAL MOVEMENT JOF SAID CONE MEMBER RELATIVE SAID SHAFT.
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |