Patent US3073139A successfully refreshed from Google Patents.
US3073139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled feed mechanism for yarn
Assignee: Individual
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Filing: 1960-05-23
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Granted: 1963-01-15
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Post
- 👤 William L Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:26
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/38; D04B15/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A DEVICE FOR CONTROLLING THE FEED TENSION OF A STRAND OF YARN AT THE NEEDLE BED OF A KNITTING MACHINE, THE COMBINATION OF: A PAIR OF YARN FEDING WHEELS; A MOTOR FOR DRIVING SAID YARN FEEDING WHEELS; GUIDE MEANS FOR A STRAND OF YARN INTERPOSED BETWEEN SAID FEEDING WHEELS AND SAID NEEDLE BED, SAID GUIDE MEANS INCLUDING A PIVOTED ARM SUPPORTING ONE OF SAID GUIDE MEANS AND MOUNTED FOR PIVOTAL MOVEMENT IN RESPONSE TO CHANGES IN YARN TENSION AT SAID NEEDLE BED; AN ELECTRICAL CONTROL CIRCUIT FOR SAID MOTOR ACTUATABLE BY SAID PIVOTED ARM, SAID CONTROL CIRCUIT INCLUDING A NORMALLY OPEN MAGNETICALLY ENERGIZED SWITCH OPERABLE BY SAID PIVOTED ARM; AND A RESISTOR ADAPTED TO BE SHORTED BY SAID SWITCH TO MOMENTARILY INCREASE THE SPEED OF SAID MOTOR WHEN SAID PIVOTED ARM IS DEFLECTED TO ENERGIZE SAID MAGNETIC SWITCH.
Claim 2
Dependent Claim
139 words
IN A DEVICE FOR CONTROLLING THE FEED TENSION OF A STRAND OF YARN AT THE NEEDLE BED OF A KNITTING MACHINE, THE COMBINATION OF: A PAIR OF YARN FEDING WHEELS; A MOTOR FOR DRIVING SAID YARN FEEDING WHEELS; GUIDE MEANS FOR A STRAND OF YARN INTERPOSED BETWEEN SAID FEEDING WHEELS AND SAID NEEDLE BED, SAID GUIDE MEANS INCLUDING A PIVOTED ARM SUPPORTING ONE OF SAID GUIDE MEANS AND MOUNTED FOR PIVOTAL MOVEMENT IN RESPONSE TO CHANGES IN YARN TENSION AT SAID NEEDLE BED; AN ELECTRICAL CONTROL CIRCUIT FOR SAID MOTOR ACTUATABLE BY SAID PIVOTED ARM, SAID CONTROL CIRCUIT INCLUDING A NORMALLY OPEN MAGNETICALLY ENERGIZED SWITCH OPERABLE BY SAID PIVOTED ARM; AND A RESISTOR ADAPTED TO BE SHORTED BY SAID SWITCH TO MOMENTARILY INCREASE THE SPEED OF SAID MOTOR WHEN SAID PIVOTED ARM IS DEFLECTED TO ENERGIZE SAID MAGNETIC SWITCH.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |