Patent US3105422A successfully refreshed from Google Patents.
US3105422A
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Bag stacking mechanism
Assignee: FMC Corp
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Filing: 1961-04-10
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Granted: 1963-10-01
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Frank E Simpson
- 👤 John D Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:49
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/50; B65H29/51; B31; B31B; B31B70/00; B31B70/74; B31B70/92; B31B70/98; B31B70/986; B65H2405/00; B65H2405/50; B65H2405/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN APPARATUS FOR HANDLING BAGS FORMED OF PLASTIC SHEET MATERIAL, A ROTATABLY MOUNTED COLLECTING DRUM, A STATIONARY JAW RIGID WITH AND EXTENDING LONGITUDINALLY OF THE DRUM ADJACENT THE PERIPHERY THEREOF, A MOVABLE JAW MOUNTED ON THE DRUM PARALELL TO THE STATIONARY JAW FOR MOVEMENT TO AND FROM GRIPPING RELATION THEREWITH MEANS FOR ADVANCING BAGS SUCCESSIVELY ALONG A PATH A PORTION OF WHICH IS CONTIGUOUS TO A PORTION OF THE PERIPHERY OF THE DRUM, MEANS FOR ROTATING THE DRUM IN TIMED RELATION WITH SAID BAG ADVANCING MEANS TO REPEATEDLY PLACE SAID JAWS AT THE AREA OF CONTIGUITY OF THE PATH AND DRUM AS A BAG REACHES SAID AREA OF CONTIGUITY, A CAM MOUNTED IN COOPERATIVE RELATION WITH SAID DRUM, A CAM FOLLOWER ENGAGED WITH SAID CAM AND OPERATIVELY CONNECTED WITH SAID MOVABLE JAW FOR MAVING SAID MOVABLE JAW AWAY FROM SAID STATIONARY JAW PRIOR TO EACH ARRIVAL OF THE JAWS AT SAID AREA OF CONTIGUITY TO RECEIVE THE LEAD-
Claim 2
Dependent Claim
158 words
IN APPARATUS FOR HANDLING BAGS FORMED OF PLASTIC SHEET MATERIAL, A ROTATABLY MOUNTED COLLECTING DRUM, A STATIONARY JAW RIGID WITH AND EXTENDING LONGITUDINALLY OF THE DRUM ADJACENT THE PERIPHERY THEREOF, A MOVABLE JAW MOUNTED ON THE DRUM PARALELL TO THE STATIONARY JAW FOR MOVEMENT TO AND FROM GRIPPING RELATION THEREWITH MEANS FOR ADVANCING BAGS SUCCESSIVELY ALONG A PATH A PORTION OF WHICH IS CONTIGUOUS TO A PORTION OF THE PERIPHERY OF THE DRUM, MEANS FOR ROTATING THE DRUM IN TIMED RELATION WITH SAID BAG ADVANCING MEANS TO REPEATEDLY PLACE SAID JAWS AT THE AREA OF CONTIGUITY OF THE PATH AND DRUM AS A BAG REACHES SAID AREA OF CONTIGUITY, A CAM MOUNTED IN COOPERATIVE RELATION WITH SAID DRUM, A CAM FOLLOWER ENGAGED WITH SAID CAM AND OPERATIVELY CONNECTED WITH SAID MOVABLE JAW FOR MAVING SAID MOVABLE JAW AWAY FROM SAID STATIONARY JAW PRIOR TO EACH ARRIVAL OF THE JAWS AT SAID AREA OF CONTIGUITY TO RECEIVE THE LEAD-
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |