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US3234760A
Expired / Lapsed
US
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Double cam device for the control and selection of the needles of circular knitting machines and the like
Assignee: FN Herstal SA
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Filing: 1960-04-21
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Granted: 1966-02-15
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Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Azzolari Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:08
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A DOUBLE CAM DEVICE FOR THE CONTROL AND SELECTION OF THE NEEDLES OF CIRCULAR KNITTING MACHINES, COMPRISING A SINGLE BODY, TWO SLIDING CAM CARRIES IN SAID BODY EACH MOUNTING A CAM, ELASTIC MEANS PRESSING EACH OF THESE CAMS INTO AN OPERATIVE POSITION, MEANSA MOVING WHEN REQUIRED EITHER ONE OF SAID CAMSA INTO AN INOPERATIVE POSITION, AND A SINGLE OPERATING MEMBER FOR THE LAST-MENTIONED MEANS, WHEREIN THE SINGLE BODY HAS TWO BLIND APERTURES, SAID DEVICE FURTHER COMPRISING A PIN LOCATED IN EACH APERTURE WITH A SMOOTH FRICTIONAL FIT, THE END OF EACH PIN BEING OUTWARDLY DIRECTED, AND A SPIRAL SPRING BEARING ON ONE SIDE ON THE END OF EACH BLIND APERTURE AND ON THE OTHER SIDE ON THE END OF EACH CORRESPONDING PIN, SAID ENDS BEING PERMANENTLY PRESSED AGAINST THE REAR SURFACE OF THE CORRESPONDING CAM.
Claim 2
Dependent Claim
135 words
A DOUBLE CAM DEVICE FOR THE CONTROL AND SELECTION OF THE NEEDLES OF CIRCULAR KNITTING MACHINES, COMPRISING A SINGLE BODY, TWO SLIDING CAM CARRIES IN SAID BODY EACH MOUNTING A CAM, ELASTIC MEANS PRESSING EACH OF THESE CAMS INTO AN OPERATIVE POSITION, MEANSA MOVING WHEN REQUIRED EITHER ONE OF SAID CAMSA INTO AN INOPERATIVE POSITION, AND A SINGLE OPERATING MEMBER FOR THE LAST-MENTIONED MEANS, WHEREIN THE SINGLE BODY HAS TWO BLIND APERTURES, SAID DEVICE FURTHER COMPRISING A PIN LOCATED IN EACH APERTURE WITH A SMOOTH FRICTIONAL FIT, THE END OF EACH PIN BEING OUTWARDLY DIRECTED, AND A SPIRAL SPRING BEARING ON ONE SIDE ON THE END OF EACH BLIND APERTURE AND ON THE OTHER SIDE ON THE END OF EACH CORRESPONDING PIN, SAID ENDS BEING PERMANENTLY PRESSED AGAINST THE REAR SURFACE OF THE CORRESPONDING CAM.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |