US3982312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular roller sleeve
Assignee: Individual
•
Filing: 1974-10-21
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Granted: 1976-09-28
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Expires: 1994-10-21
Abstract
Abstract A rubber-sleeved roller including a tubular sleeve preferably fabricated from a plastic material and formed with a smooth internal surface to fit on the smooth outer peripheral surface of a metal core and having a tubular rubber sleeve formed on the outer peripheral surface of the nonmetallic sleeve with the rubber sleeve finish ground to a smooth outer peripheral surface on the nonmetallic sleeve whereby the tubular sleeve structure may be readily interchangeable with a similar sleeve structure on a metal core.
Inventors
- 👤 John O. Finzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:37
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/26; B41N; B41N7/00; B41N7/005; B41N2207/00; B41N2207/02; B41N2207/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
164 words
A printers roller including a metal core having a smooth outer peripheral surface of a certain diameter and continuous from end to end of the core, a tubular sleeve having a smooth internal surface of an inside diameter providing a close fit on the outer surface of said core and extending continuously substantially from end to end of said core, a tubular rubber sleeve vulcanized on the outer surface of said tubular sleeve and having a finish ground smooth outer surface and extending continuously substantially from end to end of said tubular sleeve, and removable means releasably securing said tubular sleeve on said core whereby said sleeve and the tubular rubber sleeve may be removed from the metal core as a unit, said means including a slot in the tubular sleeve at one end and a recessed way in the metal core at one end providing registering keyways in the tubular sleeve and in the metal core, and a removable key in said keyways.
Claim 2
Dependent Claim
164 words
A printers roller including a metal core having a smooth outer peripheral surface of a certain diameter and continuous from end to end of the core, a tubular sleeve having a smooth internal surface of an inside diameter providing a close fit on the outer surface of said core and extending continuously substantially from end to end of said core, a tubular rubber sleeve vulcanized on the outer surface of said tubular sleeve and having a finish ground smooth outer surface and extending continuously substantially from end to end of said tubular sleeve, and removable means releasably securing said tubular sleeve on said core whereby said sleeve and the tubular rubber sleeve may be removed from the metal core as a unit, said means including a slot in the tubular sleeve at one end and a recessed way in the metal core at one end providing registering keyways in the tubular sleeve and in the metal core, and a removable key in said keyways.
Claim 3
Dependent Claim
30 words
A printers roller as set forth in claim 1 wherein said tubular sleeve is fabricated from a plastic material selected from the group including polyethylene, polypropylene, polyvinyl chloride, and polystyrene.
Claim 4
Dependent Claim
65 words
A printers roller as set forth in claim 2 wherein said tubular rubber sleeve has an inside diameter providing a close fit on the outer surface of said tubular sleeve, and a layer of adhesive in the area between the interior surface of said tubular rubber sleeve and the outer surface of said tubular sleeve providing a bond between said sleeves preventing relative movement thereof.
References Cited (Backward Citations)
US1466094A
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US2872349A
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US3639958A
Cited
US3686731A
Cited
US3785022A
Cited
US3750250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |