US3341901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long apron type draft apparatus used in textile machines
Assignee: Individual
•
Filing: 1965-08-16
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Granted: 1967-09-19
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Kitamura Shinzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:42
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A DRAFT APPARATUS FOR TEXTILE MACHINES, WHICH APPARATUS IS OF THE TYPE THAT INCLUDES A PLURALITY OF LONGITUDINALLY ALIGNED ASSEMBLIES EACH COMPRISING (A) A SAW TOOTH ROLLER ELEMENT (B) A FRONT END SUPPORTING ELEMENT, (C) A TENSIONING ELEMENT, AND (D) A LONG APRON TRAINED ABOUT ELEMENTS AND TENSIONED BY SAID TENSIONING ELEMENT, PARTICULARLY CHARACTERIZED IN THAT (E) SAID FRONT END SUPPORTING ELEMENT COMPRISES AN ELONGATED TENSOR BAR EXTENDING THROUGH A PLURALITY OF SAID APRONS, AND (F) SAID TENSIONING ELEMENT FOR EACH APRON CONSISTS OF AN INDEPENDENTLY RETRACTABLE APRON TENSIONING LEVER CARRIED BY SAID TENSOR BAR INSIDE THE RESPECTIVE APRON, (G) EACH TENSIONING LEVER BEING PROVIDED WITH SPRING MEANS FOR EXTENDING IT FROM SAID TENSOR BAR FOR TENSIONING THE RESPECTIVE APRON.
Claim 2
Dependent Claim
120 words
A DRAFT APPARATUS FOR TEXTILE MACHINES, WHICH APPARATUS IS OF THE TYPE THAT INCLUDES A PLURALITY OF LONGITUDINALLY ALIGNED ASSEMBLIES EACH COMPRISING (A) A SAW TOOTH ROLLER ELEMENT (B) A FRONT END SUPPORTING ELEMENT, (C) A TENSIONING ELEMENT, AND (D) A LONG APRON TRAINED ABOUT ELEMENTS AND TENSIONED BY SAID TENSIONING ELEMENT, PARTICULARLY CHARACTERIZED IN THAT (E) SAID FRONT END SUPPORTING ELEMENT COMPRISES AN ELONGATED TENSOR BAR EXTENDING THROUGH A PLURALITY OF SAID APRONS, AND (F) SAID TENSIONING ELEMENT FOR EACH APRON CONSISTS OF AN INDEPENDENTLY RETRACTABLE APRON TENSIONING LEVER CARRIED BY SAID TENSOR BAR INSIDE THE RESPECTIVE APRON, (G) EACH TENSIONING LEVER BEING PROVIDED WITH SPRING MEANS FOR EXTENDING IT FROM SAID TENSOR BAR FOR TENSIONING THE RESPECTIVE APRON.
References Cited (Backward Citations)
US2686939A
Cited
DE1114417B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |