US3194553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding mechanism for stacked articles
Assignee: Valmet AB
•
Filing: 1963-04-22
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Granted: 1965-07-13
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Larsson Olof Einar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:06
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/04; B65H1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
IN A MECHANISM FOR WITHDRAWING RELATIVELY STIFF ARTICLES, SUCH AS CARTON BLANKS FOR A CARTON MANUFACTURING MACHINE, FROM A STACK OF SUCH ARTICLES, COMPRISING A ROLLER FEED MEMBER HAVING A SURFACE COVERING OF A FRICTION MATERIAL, WHICH FEED MEMBER IS DISPOSED BELOW THE FORWARD END OF SUCH STACK FOR FRICTIONAL ENGAGEMENT ONLY WITH THE FORWARD END OF THE LOWER SIDE OF THE LOWERMOST ARTICLE OF SUCH STACK, AND A RIGID GUARD DISPOSED IN FRONT OF SUCH STACK ABOVE THE FEED MEMBER WHICH GAURD IS LOCATED AT A VERTICAL DISTANCE FROM THE FEED MEMBER AT LEAST EQUALLING THE THICKNESS OF ONE ARTICLE: IN COMBINATION A BEVEL AT THE LOWER EDGE OF SAID RIGID GUARD AND A STATIONARY SLOPING PLANE AT THE REAR LOWER END OF THE STACK SUBSTANTIALLY ON LEVEL WITH THE BEVEL, SAID SLOPING PLANE AND SAID FEED MEMBER CARRYING THE ENTIRE WEIGHT OF THE STACK, SAID BEVEL AND SAID SLOPING PLANE PROVIDING FOR THE ELIMINATION OF FRICTION BETWEEN THE REAR PORTION OF A CARTON BLANK TO BE WITHDRAWN AND THE SUPERPOSED BLANK WHEN THE FEED MEMBER STARTS TO WITHDRAW THE LOWERMOST BLANK BY FRICTIONAL ENGAGEMENT AT ITS FORWARD END OF THE LOWERMOST SIDE.
Claim 2
Dependent Claim
194 words
IN A MECHANISM FOR WITHDRAWING RELATIVELY STIFF ARTICLES, SUCH AS CARTON BLANKS FOR A CARTON MANUFACTURING MACHINE, FROM A STACK OF SUCH ARTICLES, COMPRISING A ROLLER FEED MEMBER HAVING A SURFACE COVERING OF A FRICTION MATERIAL, WHICH FEED MEMBER IS DISPOSED BELOW THE FORWARD END OF SUCH STACK FOR FRICTIONAL ENGAGEMENT ONLY WITH THE FORWARD END OF THE LOWER SIDE OF THE LOWERMOST ARTICLE OF SUCH STACK, AND A RIGID GUARD DISPOSED IN FRONT OF SUCH STACK ABOVE THE FEED MEMBER WHICH GAURD IS LOCATED AT A VERTICAL DISTANCE FROM THE FEED MEMBER AT LEAST EQUALLING THE THICKNESS OF ONE ARTICLE: IN COMBINATION A BEVEL AT THE LOWER EDGE OF SAID RIGID GUARD AND A STATIONARY SLOPING PLANE AT THE REAR LOWER END OF THE STACK SUBSTANTIALLY ON LEVEL WITH THE BEVEL, SAID SLOPING PLANE AND SAID FEED MEMBER CARRYING THE ENTIRE WEIGHT OF THE STACK, SAID BEVEL AND SAID SLOPING PLANE PROVIDING FOR THE ELIMINATION OF FRICTION BETWEEN THE REAR PORTION OF A CARTON BLANK TO BE WITHDRAWN AND THE SUPERPOSED BLANK WHEN THE FEED MEMBER STARTS TO WITHDRAW THE LOWERMOST BLANK BY FRICTIONAL ENGAGEMENT AT ITS FORWARD END OF THE LOWERMOST SIDE.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |