US3269524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag clamp
Assignee: BARTELT ENGINEERING CO Inc
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Filing: 1963-10-24
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Granted: 1966-08-30
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Allen B Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/46; B65B43/465
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
183 words
FOR USE IN A PACKAGING MACHINE, A BAG CLAMP COMPRISING A CARRIER, A ROTATABLE SHAFT JOURNALED ON SAID CARRIER, A MOVABLE CLAMP JAW FAST ON AND PROJECTING LATERALLY FROM SAID SHAFT, A FIXED CLAMP JAW ON SAID CARRIER IN OPPOSED RELATION WITH SAID MOVABLE JAW, THE LATTER BEING SWINGABLE TOWARD AND AWAY FROM SAID FIXED JAW DURING BACK AND FORTH ROTATION OF SAID SHAFT TO CLOSE AND OPEN THE CLAMP, A SPRING WOUND HELICALLY AROUND SAID SHAFT WITH ITS OPPOSITE ENDS SECURED TO THE SHAFT AND THE CARRIER RESPECTIVELY, SAID SPRING BEING STRESSED ROTATE SAID SHAFT IN A DIRECTION TO PRESS SAID MOVABLE JAW TIGHTLY AGAINST SAID FIXED JAW, AND AN OPERATOR SECURED AT ONE END TO SAID SHAFT AND PROJECTING LATERALLY THEREFROM IN A PREDETERMINED ANGULAR RELATION WITH SAID MOVABLE JAW, SAID OPERATOR BEING MOVABLE IN ONE DIRECTION TO TURN SAID SHAFT IN OPPOSITION TO THE FORCE OF SAID SPRING TO OPEN THE CLAMP AND CONDITION THE SAME FOR CLOSING UPON REVERSE MOVEMENT OF THE OPERATOR, AND ALSO BEING ANGULARLY ADJUSTABLE ABOUT SAID SHAFT FOR PRECISE SELECTION OF SAID PREDETERMINED ANGULAR RELATION.
Claim 2
Dependent Claim
183 words
FOR USE IN A PACKAGING MACHINE, A BAG CLAMP COMPRISING A CARRIER, A ROTATABLE SHAFT JOURNALED ON SAID CARRIER, A MOVABLE CLAMP JAW FAST ON AND PROJECTING LATERALLY FROM SAID SHAFT, A FIXED CLAMP JAW ON SAID CARRIER IN OPPOSED RELATION WITH SAID MOVABLE JAW, THE LATTER BEING SWINGABLE TOWARD AND AWAY FROM SAID FIXED JAW DURING BACK AND FORTH ROTATION OF SAID SHAFT TO CLOSE AND OPEN THE CLAMP, A SPRING WOUND HELICALLY AROUND SAID SHAFT WITH ITS OPPOSITE ENDS SECURED TO THE SHAFT AND THE CARRIER RESPECTIVELY, SAID SPRING BEING STRESSED ROTATE SAID SHAFT IN A DIRECTION TO PRESS SAID MOVABLE JAW TIGHTLY AGAINST SAID FIXED JAW, AND AN OPERATOR SECURED AT ONE END TO SAID SHAFT AND PROJECTING LATERALLY THEREFROM IN A PREDETERMINED ANGULAR RELATION WITH SAID MOVABLE JAW, SAID OPERATOR BEING MOVABLE IN ONE DIRECTION TO TURN SAID SHAFT IN OPPOSITION TO THE FORCE OF SAID SPRING TO OPEN THE CLAMP AND CONDITION THE SAME FOR CLOSING UPON REVERSE MOVEMENT OF THE OPERATOR, AND ALSO BEING ANGULARLY ADJUSTABLE ABOUT SAID SHAFT FOR PRECISE SELECTION OF SAID PREDETERMINED ANGULAR RELATION.
Claim 3
Dependent Claim
66 words
A CLAMP AS DEFINED IN CLAIM 2 FURTHER INCLUDING A SUPPORT FOR SAID CLAMP, A SECOND SHAFT JOURNALED ON SAID SUPPORT AND FAST ON SAID CARRIER THEREBY PIVOTALLY MOUNTING SAID CARRIER ON SAID SUPPORT, AND A SECOND OPERATOR FAST ON AND PROJECTING LATERALLY FROM SAID SECOND SHAFT IN A PREDETERMINED ANGULAR RELATION THEREWITH WHEREBY MOVEMENT OF SAID SECOND OPERATOR ROCKS SAID CLAMP RELATIVE TO SAID SUPPORT.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |