Patent US3172545A successfully refreshed from Google Patents.
US3172545A
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Case unstacking and conveying apparatus
Assignee: Foremost Dairies Inc
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Filing: 1961-01-30
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Granted: 1965-03-09
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ulrich J Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:09
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/06; B65G59/061; B65G59/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN AUTOMATIC CASE UNSTACKING APPARATUS, AN UNSTACKING STATION INCLUDING AN ELEVATOR, HOIST MEANS OPERABLE TO RAISE AND LOWER SAID ELEVATOR IN AN UNSTACKING SEQUENCE, PRESSURE PADS ON OPPOSITE SIDES OF SAID ELEVATOR, MEANS RESPONSIVE TO UPWARD MOVEMENT OF A STACK OF CASES ON SAID ELEVATOR TO CAUSE SAID PADS TO MOVE APART TO PERMIT PASSAGE OF SAID STACK AND ELEVATOR, MEANS RESPONSIVE TO AND OPERABLE DURING DOWNWARD MOVEMENT OF SAID ELEVATOR O CAUSE SAID PADS TO ENGAGE A CASE IN THE STACK ABOVE THE CASE SUPPORTED BY SAID ELEVATOR WHEREBY SAID CASE AND THE PORTION OF THE STACK THEREABOVE ARE HELD IN SUPPORTED POSITION BY SAID PADS , AND MEANS TO DISCHARGE THE LOWERMOST CASE FROM SAID UNSTACKING ELEVATOR.
Claim 2
Dependent Claim
119 words
IN AUTOMATIC CASE UNSTACKING APPARATUS, AN UNSTACKING STATION INCLUDING AN ELEVATOR, HOIST MEANS OPERABLE TO RAISE AND LOWER SAID ELEVATOR IN AN UNSTACKING SEQUENCE, PRESSURE PADS ON OPPOSITE SIDES OF SAID ELEVATOR, MEANS RESPONSIVE TO UPWARD MOVEMENT OF A STACK OF CASES ON SAID ELEVATOR TO CAUSE SAID PADS TO MOVE APART TO PERMIT PASSAGE OF SAID STACK AND ELEVATOR, MEANS RESPONSIVE TO AND OPERABLE DURING DOWNWARD MOVEMENT OF SAID ELEVATOR O CAUSE SAID PADS TO ENGAGE A CASE IN THE STACK ABOVE THE CASE SUPPORTED BY SAID ELEVATOR WHEREBY SAID CASE AND THE PORTION OF THE STACK THEREABOVE ARE HELD IN SUPPORTED POSITION BY SAID PADS , AND MEANS TO DISCHARGE THE LOWERMOST CASE FROM SAID UNSTACKING ELEVATOR.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |