Patent US3133609A successfully refreshed from Google Patents.
US3133609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag filling machines
Assignee: Amcor Flexibles North America Inc
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Filing: 1962-03-19
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Granted: 1964-05-19
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Erwin M Lau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:09
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18; G; G01; G01G; G01G13/00; Y; Y10; Y10S; Y10S177/00; Y10S177/09; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32622
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A BAG FILLING MACHINE COMPRISING MATERIAL FEEDING MECHANISM AND SCALE MECHANISM, SAID SCALE MECHANISM INCLUDING A BEAM, SAID BEAM COMPRISING SPACED FRONT AND REAR BEAM ARMS AND A LONGITUDINAL CONNECTING MEMBER, A SPOUT ASSEMBLY SUSPENDED FROM SAID BEAM AND INCLUDING A BAG SUPPORTING SPOUT WHICH COMMUNICATES WITH SAID FEEDING MECHANISM, FULCRUM MEANS FOR MOUNTING SAID BEAM ON A FULCRUM AXIS WHICH IS PARALLEL TO THE AXIS OF SAID SPOUT WHEREBY THE LONGITUDINAL POSITION OF A BAG WHICH IS SUSPENDED FROM SAID SPOUT WILL NOT AFFECT THE LEVER ARM OF THE FORCE EXERTED BY SAID BAG UPON SAID BEAM, SAID FEEDING MECHANISM INCLUDING CUTOFF MEANS FOR DISCONTINUING THE FEEDING OPERATION, MEANS ACTUATED BY THE MOVEMENT OF SAID BEAM WHEN THE MATERIAL FED INTO SAID BAG REACHES A PREDETERMINED WEIGHT FOR ACTUATING SAID CUTOFF MEANS, A BALANCE WEIGHT DISPOSED REARWARDLY OF SAID FRONT BEAM ARM, AND CONNECTING MEANS BETWEEN SAID BALANCE WEIGHT AND SAID BEAM FOR PERMITTING SWINGING MOVEMENT OF SAID BALANCE WEIGHT ONLY IN A PLANE PERPENDICULAR TO SAID FULCRUM AXIS.
Claim 2
Dependent Claim
170 words
A BAG FILLING MACHINE COMPRISING MATERIAL FEEDING MECHANISM AND SCALE MECHANISM, SAID SCALE MECHANISM INCLUDING A BEAM, SAID BEAM COMPRISING SPACED FRONT AND REAR BEAM ARMS AND A LONGITUDINAL CONNECTING MEMBER, A SPOUT ASSEMBLY SUSPENDED FROM SAID BEAM AND INCLUDING A BAG SUPPORTING SPOUT WHICH COMMUNICATES WITH SAID FEEDING MECHANISM, FULCRUM MEANS FOR MOUNTING SAID BEAM ON A FULCRUM AXIS WHICH IS PARALLEL TO THE AXIS OF SAID SPOUT WHEREBY THE LONGITUDINAL POSITION OF A BAG WHICH IS SUSPENDED FROM SAID SPOUT WILL NOT AFFECT THE LEVER ARM OF THE FORCE EXERTED BY SAID BAG UPON SAID BEAM, SAID FEEDING MECHANISM INCLUDING CUTOFF MEANS FOR DISCONTINUING THE FEEDING OPERATION, MEANS ACTUATED BY THE MOVEMENT OF SAID BEAM WHEN THE MATERIAL FED INTO SAID BAG REACHES A PREDETERMINED WEIGHT FOR ACTUATING SAID CUTOFF MEANS, A BALANCE WEIGHT DISPOSED REARWARDLY OF SAID FRONT BEAM ARM, AND CONNECTING MEANS BETWEEN SAID BALANCE WEIGHT AND SAID BEAM FOR PERMITTING SWINGING MOVEMENT OF SAID BALANCE WEIGHT ONLY IN A PLANE PERPENDICULAR TO SAID FULCRUM AXIS.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |