Patent US3203561A successfully refreshed from Google Patents.
US3203561A
Expired / Lapsed
US
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Lift cam for stacking device
Assignee: S&S Corrugated Paper Machinery Co Inc
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Filing: 1964-04-16
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Granted: 1965-08-31
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Albert F Shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:28
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/38; B65H29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A STACKING, STRAIGHTENING AND DELIVERY MECHANISM ADAPTED FOR USE WITH A MACHINE FOR OPERATING ON BOX BLANKS; SAID MECHANISM COMPRISING A HORIZONTAL CONVEYOR OPERABLE IN SYNCHRONISM WITH SAID MACHINE TO RECEIVE BLANK ISSUING THEREFROM IN A FLAT POSITION; AN INTERCEPTING AND ACCUMULATING DEVICE OPRARTIVELY POSITIONED ABOVE SAID CONVEYOR TO FORM SAID BLANKS INTO A STACK WHICH IS FED FROM THE BOTTOM THEREOF; SAID ACCUMULATING DEVICE INCLUDING A FIRST AND A SECOND MEANS OPERATIVELY POSITIONED AT A STACKING REGION TO ENGAGE THE LEADING AND TRAILING EDGES, RESPECTIVELY, OF SAID BLANKS AND IMPARTING UPWARD MOVEMENT THERETO, AND VERTICALLY OSCILLATABLE MEANS DISPOSED ADJACENT SAID STACKING REGION IN OPERATIVE POSITION FOR ENGAGING THE INTERMEDIATE PORTION AND TRAILING EDGE OF EACH OF THE BLANKS FROM BELOW BETWEEN THE SIDE EDGES THEREOF AND LIFTING THE BLANK AS IT ENTERS THE STACKING REGION.
Claim 2
Dependent Claim
136 words
A STACKING, STRAIGHTENING AND DELIVERY MECHANISM ADAPTED FOR USE WITH A MACHINE FOR OPERATING ON BOX BLANKS; SAID MECHANISM COMPRISING A HORIZONTAL CONVEYOR OPERABLE IN SYNCHRONISM WITH SAID MACHINE TO RECEIVE BLANK ISSUING THEREFROM IN A FLAT POSITION; AN INTERCEPTING AND ACCUMULATING DEVICE OPRARTIVELY POSITIONED ABOVE SAID CONVEYOR TO FORM SAID BLANKS INTO A STACK WHICH IS FED FROM THE BOTTOM THEREOF; SAID ACCUMULATING DEVICE INCLUDING A FIRST AND A SECOND MEANS OPERATIVELY POSITIONED AT A STACKING REGION TO ENGAGE THE LEADING AND TRAILING EDGES, RESPECTIVELY, OF SAID BLANKS AND IMPARTING UPWARD MOVEMENT THERETO, AND VERTICALLY OSCILLATABLE MEANS DISPOSED ADJACENT SAID STACKING REGION IN OPERATIVE POSITION FOR ENGAGING THE INTERMEDIATE PORTION AND TRAILING EDGE OF EACH OF THE BLANKS FROM BELOW BETWEEN THE SIDE EDGES THEREOF AND LIFTING THE BLANK AS IT ENTERS THE STACKING REGION.
References Cited (Backward Citations)
US2749120A
Cited
US2963177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |