US4385683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve for attachment of a ceramic disk to cylindrical shaft
Assignee: Goodrich Corp
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Filing: 1981-06-18
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Granted: 1983-05-31
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Expires: 2001-06-18
Abstract
Abstract A sleeve for frictionally coupling a ceramic disk to a cylindrical shaft. The sleeve is constructed of a rigid plastic, preferably ABS with a void content to permit compression when mounting between the shaft and disk. The void content is between 25% and 50%, preferably between 40% and 50%.
Inventors
- 👤 Carroll P. Krupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:33
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/04; B65G39/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A cylindrical conveyor belt roller assembly comprising an elongated cylindrical shaft having supportable shaft ends, a tubular disk of ceramic material, and a tubular sleeve having an inner cylindrical surface concentrically supported by friction upon the outer surface of said shaft, said sleeve also having an exterior surface concentrically supporting, by friction, the inner surface(s) of said disk, said sleeve being formed of a rigid, deformable, non-elastic, high modulus plastic material being selected from the group consisting of rigid PVC, high density, ultra high molecular weight polyethylene, polypropylene and ABS, and having a void content, of from about 25% to about 50%, sufficient to permit the mounting of said disk upon said sleeve and said sleeve upon said shaft without adversely stressing said sleeve while in tension due to its compression between said shaft and disk.
Claim 2
Dependent Claim
136 words
A cylindrical conveyor belt roller assembly comprising an elongated cylindrical shaft having supportable shaft ends, a tubular disk of ceramic material, and a tubular sleeve having an inner cylindrical surface concentrically supported by friction upon the outer surface of said shaft, said sleeve also having an exterior surface concentrically supporting, by friction, the inner surface(s) of said disk, said sleeve being formed of a rigid, deformable, non-elastic, high modulus plastic material being selected from the group consisting of rigid PVC, high density, ultra high molecular weight polyethylene, polypropylene and ABS, and having a void content, of from about 25% to about 50%, sufficient to permit the mounting of said disk upon said sleeve and said sleeve upon said shaft without adversely stressing said sleeve while in tension due to its compression between said shaft and disk.
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) | 1986-05-30 | 1986-11-29 | 1987-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-30 | 1990-11-29 | 1991-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-30 | 1994-11-29 | 1995-05-31 | $7700.00 | Window Closed / Lapsed |