Patent US3618935A successfully refreshed from Google Patents.
US3618935A
Expired / Lapsed
US
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Transfer apparatus for a small piece of sheet material
Assignee: HOWATT GEORGE F CHAPIN ROAD HOLDEN MASS
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Filing: 1969-06-23
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Granted: 1971-11-09
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Expires: 1989-06-23
Abstract
Abstract The present invention relates to an article transfer apparatus and, more particularly, to a roller for moving a sheet of paperlike material and, at the same time, turning it at a substantial angle to its original aspect.
Inventors
- 👤 George F Howatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:10
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/04; B31B2150/00; B31B2160/00; B31B2160/10; B31B70/74; B31B70/81; B31B70/82; B31B70/826
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
Transfer apparatus for a small piece of sheet material, comprising a. a roller having a cylindrical surface and rotatable about the axis of the surface, b. a plug having a surface lying flush with the said cylindrical surface, a plurality of passages opening onto the surface of the plug, and c. means connected to the passages to apply suction to the passages on occasion, d. means rotating the plug about an axis extending form the plug to the axis of the roller, a plurality of passages opening on the surface of the roller surrounding the plug and positive air pressure and suction being alternatively applied to these lastnamed passages, positive air pressure being applied to the last-named passages when the suction is applied to the passages in the plug.
Claim 2
Dependent Claim
129 words
Transfer apparatus for a small piece of sheet material, comprising a. a roller having a cylindrical surface and rotatable about the axis of the surface, b. a plug having a surface lying flush with the said cylindrical surface, a plurality of passages opening onto the surface of the plug, and c. means connected to the passages to apply suction to the passages on occasion, d. means rotating the plug about an axis extending form the plug to the axis of the roller, a plurality of passages opening on the surface of the roller surrounding the plug and positive air pressure and suction being alternatively applied to these lastnamed passages, positive air pressure being applied to the last-named passages when the suction is applied to the passages in the plug.
Claim 3
Dependent Claim
20 words
Article transfer apparatus as recited in claim 1, wherein means is provided to rotate the plug through a predetermined angle.
Claim 4
Dependent Claim
18 words
Article transfer apparatus as recited in claim 2, wherein a geneva mechanism connects the plug with an actuator.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |