US3275760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cordwinder
Assignee: Electrolux AB
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Filing: 1963-07-11
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Granted: 1966-09-27
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Gaudry Paul Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:56
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4002; A47L11/4008; A47L9/00; A47L9/26; H; H02; H02G; H02G11/00; H02G11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
IN A CORDWINDER, A FRAME, A CORDWINDING SPOOL MOUNTED ON THE FRAME FOR ROTATION ABOUT A FIRST AXIS, THE SPOOL INCLUDING AXIALLY SPACED FLANGES, A CORD CONNECTED TO THE SPOOL TO BE WOUND THEREON BETWEEN THE ADJACENT INNER FACES OF THE FLANGES, A DRIVING DRUM MOUNTED ON THE FRAME FOR ROTATION ADJACENT TO THE OUTER FACE OF ONE OF THE FLANGES ABOUT A SECOND AXIS TRANSVERSE TO THE FIRST AXIS, MEANS INCLUDING GEARING FOR ROTATING THE DRIVING DRUM WHEN THE CORD IS UNWOUND FROM THE SPOOL, THE GEARING COMPRISING A FIRST GEAR ADJACENT TO THE OUTER FACE OF THE ONE FLANGE AND ROTATABLE WITH THE SPOOL AND A SECOND GEAR ADJACENT TO THE DRIVING DRUM AND ROTATABLE THEREWITH, A SPRING STORAGE DRUM MOUNTED ON THE FRAME TO ONE SIDE OF AND IN RADIAL ALIGNMENT WITH THE DRIVING DRUM FOR ROTATION ABOUT A THIRD AXIS PARALLEL TO THE SECOND AXIS, AND A SPRING PRESTRESSED TO COIL TIGHTLY AROUND THE STORAGE DRUM AND HAVING ITS OUTER END SECURED TO THE DRIVING DRUM TO BE WOUND THEREON WHEN THE SPOOL IS ROTATED BY THE UNWINDING OF THE CORD FROM THE SPOOL AND THE GEARING EFFECTS ROTATION OF THE DRIVING DRUM.
Claim 2
Dependent Claim
197 words
IN A CORDWINDER, A FRAME, A CORDWINDING SPOOL MOUNTED ON THE FRAME FOR ROTATION ABOUT A FIRST AXIS, THE SPOOL INCLUDING AXIALLY SPACED FLANGES, A CORD CONNECTED TO THE SPOOL TO BE WOUND THEREON BETWEEN THE ADJACENT INNER FACES OF THE FLANGES, A DRIVING DRUM MOUNTED ON THE FRAME FOR ROTATION ADJACENT TO THE OUTER FACE OF ONE OF THE FLANGES ABOUT A SECOND AXIS TRANSVERSE TO THE FIRST AXIS, MEANS INCLUDING GEARING FOR ROTATING THE DRIVING DRUM WHEN THE CORD IS UNWOUND FROM THE SPOOL, THE GEARING COMPRISING A FIRST GEAR ADJACENT TO THE OUTER FACE OF THE ONE FLANGE AND ROTATABLE WITH THE SPOOL AND A SECOND GEAR ADJACENT TO THE DRIVING DRUM AND ROTATABLE THEREWITH, A SPRING STORAGE DRUM MOUNTED ON THE FRAME TO ONE SIDE OF AND IN RADIAL ALIGNMENT WITH THE DRIVING DRUM FOR ROTATION ABOUT A THIRD AXIS PARALLEL TO THE SECOND AXIS, AND A SPRING PRESTRESSED TO COIL TIGHTLY AROUND THE STORAGE DRUM AND HAVING ITS OUTER END SECURED TO THE DRIVING DRUM TO BE WOUND THEREON WHEN THE SPOOL IS ROTATED BY THE UNWINDING OF THE CORD FROM THE SPOOL AND THE GEARING EFFECTS ROTATION OF THE DRIVING DRUM.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |