US3298401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread controller for textile machines
Assignee: Loepfe AG Gebrueder
•
Filing: 1962-07-17
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Granted: 1967-01-17
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Stutz Hansruedi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:07
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/18; D03D51/34; B; B65; B65H; B65H63/00; B65H63/02; B65H63/024; B65H63/028; B65H63/032; B65H63/0321; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A WEAVING MACHINE HAVING A THREAD-CARRYING SHUTTLE, A THREAD CONTROLLER COMPRISING A ROTARY SIGNALLING MEMBER CARRIED BY THE SHUTTLE AND ADAPTED TO ENGAGE AND TO BE ROTATED BY THE MOVING THREAD EMERGING FROM SAID SHUTTLE, THE ROTARY SIGNALLING MEMBER COMPRISING MEANS FOR PRODUCING SIGNALS SHAPED DEPENDING UPON THE SPEED OF ROTATION OF SAID SIGNALLING MEMBER; SIGNAL RECEIVING MEANS INCLUDING SIGNAL SENSING MEANS MOUNTED ON THE WEAVING MACHINE NEAR THE PATH OF SAID SHUTTLE, SAID SIGNAL SENSING MEANS RECEIVING SAID SHAPED SIGNALS TO PRODUCE THEREFROM ALTERNATING VOLTAGE THE AMOUNT AND FREQUENCY OF WHICH DEPEND UPON THE SPEED OF ROTATION OF THE ROTARY SENSING MEMBER, AND SIGNAL DISCRIMINATING MEANS COUPLED WITH SAID SIGNAL RECEIVING MEANS AND OPERABLE TO PRODUCE A CONTROL SIGNAL WHEN AT LEAST ONE OF THE CHARACTERISTIC VALUES OF SAID VOLTAGE IS BELOW A SET AMOUNT CORRESPONDING TO A REGULAR OPERATION OF SAID ROTARY SIGNALLING MEMBER.
Claim 2
Dependent Claim
147 words
IN A WEAVING MACHINE HAVING A THREAD-CARRYING SHUTTLE, A THREAD CONTROLLER COMPRISING A ROTARY SIGNALLING MEMBER CARRIED BY THE SHUTTLE AND ADAPTED TO ENGAGE AND TO BE ROTATED BY THE MOVING THREAD EMERGING FROM SAID SHUTTLE, THE ROTARY SIGNALLING MEMBER COMPRISING MEANS FOR PRODUCING SIGNALS SHAPED DEPENDING UPON THE SPEED OF ROTATION OF SAID SIGNALLING MEMBER; SIGNAL RECEIVING MEANS INCLUDING SIGNAL SENSING MEANS MOUNTED ON THE WEAVING MACHINE NEAR THE PATH OF SAID SHUTTLE, SAID SIGNAL SENSING MEANS RECEIVING SAID SHAPED SIGNALS TO PRODUCE THEREFROM ALTERNATING VOLTAGE THE AMOUNT AND FREQUENCY OF WHICH DEPEND UPON THE SPEED OF ROTATION OF THE ROTARY SENSING MEMBER, AND SIGNAL DISCRIMINATING MEANS COUPLED WITH SAID SIGNAL RECEIVING MEANS AND OPERABLE TO PRODUCE A CONTROL SIGNAL WHEN AT LEAST ONE OF THE CHARACTERISTIC VALUES OF SAID VOLTAGE IS BELOW A SET AMOUNT CORRESPONDING TO A REGULAR OPERATION OF SAID ROTARY SIGNALLING MEMBER.
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |