US3329178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strapping tool
Assignee: Signode Corp
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Filing: 1965-05-24
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Granted: 1967-07-04
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Larry D Plunkett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:58
CPC Classifications
B; B65; B65B; B65B13/00; B65B13/18; B65B13/24; B65B13/34; B65B13/185; B65B13/187; B65B13/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
IN A PNEUMATICALLY OPERABLE STRAPPING TOOL FOR TENSIONING A LOOP OF STRAPPING ABOUT AN ARTICLE, SAID LOOP HAVING OVERLAPPING FREE END AND FEED END PORTIONS THREADED THROUGH A SEAL, AND FOR THEREAFTER CRIMPING THE SEAL ABOUT SAID OVERLAPPING PORTIONS, A FRAME ADAPTED TO REST UPON THE ARTICLE, A STRAP TENSIONING MEMBER SUPPORTED ON THE FRAME, A SEALING ASSEMBLY SUPPORTED ON THE FRAME AND INCLUDING A PAIR OF SEAL-POSITIONING AND SEALCRIMPING JAWS MOVABLE FROM AN OPEN SEAL-RELEASING POSITION THROUGH AN INTERMEDIATE SEAL-RETAINING POSITION TO A FULLY CLOSED SEAL-CRIMPING POSITION AND VICE VERSA, A CYLINDER SUPPORTED ON THE SEALING ASSEMBLY, A PISTON SLIDABLE IN SAID CYLINDER AND OPERATIVELY CONNECTED TO SAID SEALING JAWS, SAID PISTON BEING MOVABLE BETWEEN A RETRACTED POSITION WHEREBY SAID JAWS ARE IN THEIR SEALRELEASING POSITION AND A FULLY ADVANCED POSITION WHEREIN THE JAWS ARE IN THEIR SEAL-CRIMPING POSITION, SPRING MEANS YIELDINGLY BIASING SAID PISTON TOWARD ITS FULLY ADVANCED POSITION TO CAUSE SAID JAWS TO ENGAGE THE SEAL UNDER PRESSURE SUFFICIENT ONLY TO ENGAGE AND MAINTAIN THE SEAL POSITIONED WITH RESPECT TO THE TENSIONING MEMBER BUT INSUFFICIENT TO CRIMP THE SEAL, AND MANUALLY OPEABLE VALVE MEANS FOR SUPPLYING AIR TO SAID CYLINDER TO AUGMENT THE ACTION OF SAID SPRING BIASING MEANS AND FORCE THE PISTON TO ITS FULLY ADVANCED POSITION.
Claim 2
Dependent Claim
211 words
IN A PNEUMATICALLY OPERABLE STRAPPING TOOL FOR TENSIONING A LOOP OF STRAPPING ABOUT AN ARTICLE, SAID LOOP HAVING OVERLAPPING FREE END AND FEED END PORTIONS THREADED THROUGH A SEAL, AND FOR THEREAFTER CRIMPING THE SEAL ABOUT SAID OVERLAPPING PORTIONS, A FRAME ADAPTED TO REST UPON THE ARTICLE, A STRAP TENSIONING MEMBER SUPPORTED ON THE FRAME, A SEALING ASSEMBLY SUPPORTED ON THE FRAME AND INCLUDING A PAIR OF SEAL-POSITIONING AND SEALCRIMPING JAWS MOVABLE FROM AN OPEN SEAL-RELEASING POSITION THROUGH AN INTERMEDIATE SEAL-RETAINING POSITION TO A FULLY CLOSED SEAL-CRIMPING POSITION AND VICE VERSA, A CYLINDER SUPPORTED ON THE SEALING ASSEMBLY, A PISTON SLIDABLE IN SAID CYLINDER AND OPERATIVELY CONNECTED TO SAID SEALING JAWS, SAID PISTON BEING MOVABLE BETWEEN A RETRACTED POSITION WHEREBY SAID JAWS ARE IN THEIR SEALRELEASING POSITION AND A FULLY ADVANCED POSITION WHEREIN THE JAWS ARE IN THEIR SEAL-CRIMPING POSITION, SPRING MEANS YIELDINGLY BIASING SAID PISTON TOWARD ITS FULLY ADVANCED POSITION TO CAUSE SAID JAWS TO ENGAGE THE SEAL UNDER PRESSURE SUFFICIENT ONLY TO ENGAGE AND MAINTAIN THE SEAL POSITIONED WITH RESPECT TO THE TENSIONING MEMBER BUT INSUFFICIENT TO CRIMP THE SEAL, AND MANUALLY OPEABLE VALVE MEANS FOR SUPPLYING AIR TO SAID CYLINDER TO AUGMENT THE ACTION OF SAID SPRING BIASING MEANS AND FORCE THE PISTON TO ITS FULLY ADVANCED POSITION.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |