US3364403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control for maintaining the tension of positively pulled warp threads in warp looms
Assignee: Jean Guesken Maschinenfabrik Eisengiesserei
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Filing: 1966-11-08
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Granted: 1968-01-16
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Expires: 1986-11-08
Abstract
No abstract record available.
Inventors
- 👤 Liebchen Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:11
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/94; B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/182; B65H23/1825; D03; D03D; D03D49/00; D03D49/04; D03D49/06; D04B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A WRAP LOOM HAVING A WRAP BEAM FROM WHICH THREADS ARE WITHDRAW AND HAVING A VARIABLE-SPEED DRIVING MECHANIZM CONNECTED TO THE WRAP BEAM, A MOTOR CONNECTED TO SAID DRIVING MECHANISM TO VARY THE SPEED THERE, OF TENSION RESPONSIVE MEANS IN THE PATH OF THE WITHDRAWN THREADS INCLUDING A PART MOVABLE IN OPPOSITE DIRECTIONS THROUGH A RANGE AS TENSION VARIES, AND MEANS CONNECTED TO SAID TENSION RESPONSIVE MEANS FOR CONNECTING SAID MOTOR TO A CURRENT SOURCE FOR TURNING IT IN OPPOSITE DIRECTIONS THEREBY INCREASING OR DECREASING THE SPEED OF SAID DRIVING MECHANISM AS THE MOVABLE PART OF SAID TENSION RESPONSIVE MEANS REACHES ONE OR THE OTHER END OF SAID RANGE, RESPECTIVELY, SAID CONNECTING MEANS INCLUDING TIMING MEANS TO MAINTAIN CONNECTION OF SAID ELECTR MOTOR TO THE CURRENT SOURCE FOR A PREDETERMINED TIME AT EACH OPERATION THEREOF, OPERATION OF SAID MOTOR TENDING TO MOVE SAID PART TOWARDS THE OTHER END OF SAID RANGE.
Claim 2
Dependent Claim
152 words
IN A WRAP LOOM HAVING A WRAP BEAM FROM WHICH THREADS ARE WITHDRAW AND HAVING A VARIABLE-SPEED DRIVING MECHANIZM CONNECTED TO THE WRAP BEAM, A MOTOR CONNECTED TO SAID DRIVING MECHANISM TO VARY THE SPEED THERE, OF TENSION RESPONSIVE MEANS IN THE PATH OF THE WITHDRAWN THREADS INCLUDING A PART MOVABLE IN OPPOSITE DIRECTIONS THROUGH A RANGE AS TENSION VARIES, AND MEANS CONNECTED TO SAID TENSION RESPONSIVE MEANS FOR CONNECTING SAID MOTOR TO A CURRENT SOURCE FOR TURNING IT IN OPPOSITE DIRECTIONS THEREBY INCREASING OR DECREASING THE SPEED OF SAID DRIVING MECHANISM AS THE MOVABLE PART OF SAID TENSION RESPONSIVE MEANS REACHES ONE OR THE OTHER END OF SAID RANGE, RESPECTIVELY, SAID CONNECTING MEANS INCLUDING TIMING MEANS TO MAINTAIN CONNECTION OF SAID ELECTR MOTOR TO THE CURRENT SOURCE FOR A PREDETERMINED TIME AT EACH OPERATION THEREOF, OPERATION OF SAID MOTOR TENDING TO MOVE SAID PART TOWARDS THE OTHER END OF SAID RANGE.
References Cited (Backward Citations)
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |