US3097815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spooling filamentary material
Assignee: GTE Sylvania Inc
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Filing: 1961-11-29
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Granted: 1963-07-16
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Charles P Smith
- 👤 Leadom A Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:32
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2803; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
280 words
APPARATUS FOR SPOOLING FILAMENTARY MATERIAL INCLUDING A LEAD SCREW FOR SUPPORTING A SPOOL, A NUT ENGAGING THE LEAD SCREW, A LEAD SCREW DRIVING MEANS FOR ROTATING SAID LEAD SCREW IN ONE DIRECTION, A FIRST NUT DRIVING MEANS ADAPTED TO BE OPERATED BY SAID LEAD SCREW DRIVING MEANS AND TO ROTATE SAID NUT IN SAID ONE DIRECTION AT A SPEED LESS THAN THE SPEED SAID LEAD SCREW IS ROTATED BY THE LEAD SCREW DRIVING MEANS WHEREBY THE LEAD SCREW IS MOVED ALONG ITS AXIS IN ONE DIRECTION RELATIVE TO SAID NUT, A SECOND NUT DRIVING MEANS ADAPTED TO BE OPERATED BY SAID LEAD SCREW DRIVING MEANS AND TO ROTATE SAID NUT IN SAID ONE DIRECTION AT A SPEED GREATER THAN THE SPEED SAID LEAD SCREW IS ROTATED BY THE LEAD SCREW DRIVING MEANS WHEREBY THE LEAD SCREW IS MOVED ALONG ITS AXIS IN THE OPPOSITE DIRECTION RELATIVE TO SAID NUT SAID FIRST NUT DRIVING MEANS INCLUDING A FIRST CLUTCH MEANS FOR PLACING SAID FIRST NUT DRIVING MEANS IN ENGAGEMENT WITH SAID LEAD SCREW DRIVING MEANS, SAID SECOND NUT DRIVING MEANS INCLUDING A SECOND CLUTCH MEANS FOR PLACING SAID SECOND NUT DRIVING MEANS IN ENGAGEMENT WITH SAID LEAD SCREW DRIVING MEANS, A FIRST SWITCHING MEANS ADAPTED TO INACTIVATE SAID FIRST CLUTCH MEANS AND ACTIVATE SAID SECOND CLUTCH MEANS WHEN SAID LEAD SCREW IS MOVED ALONG ITS AXIS IN SAID ONE DIRECTION WITH RESPECT TO THE NUT TO A FIRST PREDETERMINED POINT, AND A SECOND SWITCHING MEANS ADAPTED TO INACTIVATE SAID SECOND CLUTCH MEANS AND ACTIVATE SAID FIRST CLUTCH MEANS WHEN SAID LEAD SCREW IS MOVED ALONG ITS AXIS IN SAID OPPOSITE DIRECTION WITH RESPECT TO THE NUT TO A SECOND PREDETERMINED POINT.
Claim 2
Dependent Claim
280 words
APPARATUS FOR SPOOLING FILAMENTARY MATERIAL INCLUDING A LEAD SCREW FOR SUPPORTING A SPOOL, A NUT ENGAGING THE LEAD SCREW, A LEAD SCREW DRIVING MEANS FOR ROTATING SAID LEAD SCREW IN ONE DIRECTION, A FIRST NUT DRIVING MEANS ADAPTED TO BE OPERATED BY SAID LEAD SCREW DRIVING MEANS AND TO ROTATE SAID NUT IN SAID ONE DIRECTION AT A SPEED LESS THAN THE SPEED SAID LEAD SCREW IS ROTATED BY THE LEAD SCREW DRIVING MEANS WHEREBY THE LEAD SCREW IS MOVED ALONG ITS AXIS IN ONE DIRECTION RELATIVE TO SAID NUT, A SECOND NUT DRIVING MEANS ADAPTED TO BE OPERATED BY SAID LEAD SCREW DRIVING MEANS AND TO ROTATE SAID NUT IN SAID ONE DIRECTION AT A SPEED GREATER THAN THE SPEED SAID LEAD SCREW IS ROTATED BY THE LEAD SCREW DRIVING MEANS WHEREBY THE LEAD SCREW IS MOVED ALONG ITS AXIS IN THE OPPOSITE DIRECTION RELATIVE TO SAID NUT SAID FIRST NUT DRIVING MEANS INCLUDING A FIRST CLUTCH MEANS FOR PLACING SAID FIRST NUT DRIVING MEANS IN ENGAGEMENT WITH SAID LEAD SCREW DRIVING MEANS, SAID SECOND NUT DRIVING MEANS INCLUDING A SECOND CLUTCH MEANS FOR PLACING SAID SECOND NUT DRIVING MEANS IN ENGAGEMENT WITH SAID LEAD SCREW DRIVING MEANS, A FIRST SWITCHING MEANS ADAPTED TO INACTIVATE SAID FIRST CLUTCH MEANS AND ACTIVATE SAID SECOND CLUTCH MEANS WHEN SAID LEAD SCREW IS MOVED ALONG ITS AXIS IN SAID ONE DIRECTION WITH RESPECT TO THE NUT TO A FIRST PREDETERMINED POINT, AND A SECOND SWITCHING MEANS ADAPTED TO INACTIVATE SAID SECOND CLUTCH MEANS AND ACTIVATE SAID FIRST CLUTCH MEANS WHEN SAID LEAD SCREW IS MOVED ALONG ITS AXIS IN SAID OPPOSITE DIRECTION WITH RESPECT TO THE NUT TO A SECOND PREDETERMINED POINT.
References Cited (Backward Citations)
US873717A
Cited
US2912186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |