US3084644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for tufting skip-stitch patterns
Assignee: SPENCER WRIGHT INDUSTRIES Inc A CORP OF TENNESSEE
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Filing: 1960-03-23
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Granted: 1963-04-09
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Card Joseph Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
D; D05; D05C; D05C15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A TUFTING MACHINE INCLUDING NEEDLES FOR STITCHING A PLURALITY OF YARNS THROUGH A BASE FABRIC TO FORM TUFTS THEREIN, MEANS FOR RECIPROCATING SAID NEEDLES, FABRIC FEED ROLLS, MEANS FOR CONTINUOUSLY DRIVING SAID ROLLS TO FEED SAID FABRIC BENEATH SAID NEEDLES AT A PREDETERMINED RATE, AN OVERRUNNING CLUTCH OPERATIVELY CONNECTED TO ONE OF SAID FABRIC FEED ROLLS FOR MOVING SAID FABRIC FASTER THAN SAID PREDETERMINED RATE, FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID RECIPROCATING MEANS FOR PERIODICALLY OVERRUNNING SAID CLUTCH, A YARN CLAMP COMPRISING CLAMPING ELEMENTS MOVABLE BETWEEN AN UNCLAMPING POSITION TO PERMIT THE PASSAGE THERETHROUGH OF SAID YARNS TO THEIR RESPECTIVE NEEDLES AND A YARN CLAMPING POSITION, SECOND CAM MEANS OPERATIVELY CONNECTED TO SAID FIRST CAM MEANS FOR PERIODICALLY MOVING SAID ELEMENTS TO CLAMPING POSITION TO CLAMP SAID YARNS WHEN SAID CLUTCH IS BEING OVERRUN.
Claim 2
Dependent Claim
136 words
IN A TUFTING MACHINE INCLUDING NEEDLES FOR STITCHING A PLURALITY OF YARNS THROUGH A BASE FABRIC TO FORM TUFTS THEREIN, MEANS FOR RECIPROCATING SAID NEEDLES, FABRIC FEED ROLLS, MEANS FOR CONTINUOUSLY DRIVING SAID ROLLS TO FEED SAID FABRIC BENEATH SAID NEEDLES AT A PREDETERMINED RATE, AN OVERRUNNING CLUTCH OPERATIVELY CONNECTED TO ONE OF SAID FABRIC FEED ROLLS FOR MOVING SAID FABRIC FASTER THAN SAID PREDETERMINED RATE, FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID RECIPROCATING MEANS FOR PERIODICALLY OVERRUNNING SAID CLUTCH, A YARN CLAMP COMPRISING CLAMPING ELEMENTS MOVABLE BETWEEN AN UNCLAMPING POSITION TO PERMIT THE PASSAGE THERETHROUGH OF SAID YARNS TO THEIR RESPECTIVE NEEDLES AND A YARN CLAMPING POSITION, SECOND CAM MEANS OPERATIVELY CONNECTED TO SAID FIRST CAM MEANS FOR PERIODICALLY MOVING SAID ELEMENTS TO CLAMPING POSITION TO CLAMP SAID YARNS WHEN SAID CLUTCH IS BEING OVERRUN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |