US3291010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counting and stacking apparatus
Assignee: Johns Manville Corp
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Filing: 1963-12-23
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Granted: 1966-12-13
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 George H Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:01
CPC Classifications
B; B65; B65H; B65H33/00; B65H33/12; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
APPARATUS FOR HANDLING SHEETS OF MATERIAL CONTINUOUSLY BEING DEPOSITED FROM THE END OF A CONVEYOR, COMPRISING (1) A FIRST ACCUMLATOR, (2) MEANS TO TRANSPORT SHEETS FROM THE CONVEYOR TO THE FIRST ACCUMULATOR, (3) A SECOND ACCUMULATOR, (4) MEANS TO TRANSPORT SHEETS FROM THE CONVEYOR TO THE SECOND ACCUMULATOR, (5) EACH ACCUMMULATOR HAVING SHEET SUPPORT SURFACES MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, (6) MEANS DIRECTING THE FLOW OF SHEETS FROM THE CONVEYOR ALTERNATELY TO THE FIRST AND SECOND SHEET TRANSPORTING MEANS AT PREDETERMINED INTERVALS, (7) CONVEYING MEANS POSITIONED BENEATH THE ACCUMULATORS AND OPERABLE TO ALTERNATELY START AND STOP, (8) MEANS CAUSING THE SHEET SUPPORT SURFACES OF THE FIRST AND SECOND ACCUMULATORS TO ALTERNATELY OPEN AND CLOSE IN TIMED RELATION TO THE OPERATION OF THE SHEET DIRECTNG MEANS WHEREBY THE SUPPORT SURFACE OF ONE ACCUMULATOR IS IN OPEN POSITION, PERMITTING A STACK OF SHEETS TO BE DROPPED TO THE CONVEYING MEANS, WHILE THE SUPPORT SURFACE OF THE OTHER ACCUMULATOR IS IN CLOSED POSITION, TO SUPPORT SHEET AS THEY ARE BEING DEPOSITD INTO SAID OTHER ACCUMULATOR, AND (9) MEANS FOR ALTERNATELY STARTING AND STOPPING MOVEMENT OF THE CONVEYING MEANS IN TIMED RELATION TO THE OPENING AND CLOSING OF THE SHEET SUPPORT SURFACES OF THE ACCUMULATORS WHEREBY THE CONVEYING MEANS IS STATIONARY AT THE TIME A STACK OF SHEETS IS BEING DEPOSITED THEREON FROM ONE OF THE ACCUMULATORS.
Claim 2
Dependent Claim
224 words
APPARATUS FOR HANDLING SHEETS OF MATERIAL CONTINUOUSLY BEING DEPOSITED FROM THE END OF A CONVEYOR, COMPRISING (1) A FIRST ACCUMLATOR, (2) MEANS TO TRANSPORT SHEETS FROM THE CONVEYOR TO THE FIRST ACCUMULATOR, (3) A SECOND ACCUMULATOR, (4) MEANS TO TRANSPORT SHEETS FROM THE CONVEYOR TO THE SECOND ACCUMULATOR, (5) EACH ACCUMMULATOR HAVING SHEET SUPPORT SURFACES MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, (6) MEANS DIRECTING THE FLOW OF SHEETS FROM THE CONVEYOR ALTERNATELY TO THE FIRST AND SECOND SHEET TRANSPORTING MEANS AT PREDETERMINED INTERVALS, (7) CONVEYING MEANS POSITIONED BENEATH THE ACCUMULATORS AND OPERABLE TO ALTERNATELY START AND STOP, (8) MEANS CAUSING THE SHEET SUPPORT SURFACES OF THE FIRST AND SECOND ACCUMULATORS TO ALTERNATELY OPEN AND CLOSE IN TIMED RELATION TO THE OPERATION OF THE SHEET DIRECTNG MEANS WHEREBY THE SUPPORT SURFACE OF ONE ACCUMULATOR IS IN OPEN POSITION, PERMITTING A STACK OF SHEETS TO BE DROPPED TO THE CONVEYING MEANS, WHILE THE SUPPORT SURFACE OF THE OTHER ACCUMULATOR IS IN CLOSED POSITION, TO SUPPORT SHEET AS THEY ARE BEING DEPOSITD INTO SAID OTHER ACCUMULATOR, AND (9) MEANS FOR ALTERNATELY STARTING AND STOPPING MOVEMENT OF THE CONVEYING MEANS IN TIMED RELATION TO THE OPENING AND CLOSING OF THE SHEET SUPPORT SURFACES OF THE ACCUMULATORS WHEREBY THE CONVEYING MEANS IS STATIONARY AT THE TIME A STACK OF SHEETS IS BEING DEPOSITED THEREON FROM ONE OF THE ACCUMULATORS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |