Delivery end cleaning apparatus for carding machines
Abstract
Abstract A SUCTION MANIFOLD ASSEMBLY FOR PNEUMATIC CLEANING OF THE DELIVERY END SECTION OF A CARDING MACHINE, INCLUDING A MAIN PLENUM SECTION FORMING A SUCTION CHAMBER ABOVE THE DOFFER CYLINDER IN OPEN COMMUNICATION WITH THE LATTER AND WITH AN ADJACENT PORTION OF THE MAIN CYLINDER, AND A HOOD-LIKE EXTENSION OF HINGED PLURAL SECTIONS OVERLYING MOST OF THE OTHER CARD COMPONENTS IN THE DELIVERY END SECTION. THE MAIN PLENUM SECTION INCLUDES A FIRST EXHAUST PORT IN A SIDE THEREOF CONNECTED TO A SUCTION RISER AND A RETURN TUBE TRAVERSING THE PLENUM SECTION IN PARALLELISM WITH THE AXIS OF THE FIRST EXHAUST PORT COMMUNICATING AT ONE END WITH ANOTHER SUCTION RISER AND AT ITS OTHER END THROUGH AN ELBOW WITH THE PLENUM SECTION TO FACILITATE ATTAINMENT OF SUCTION SOURCE CONDITIONS AT EACH OF THE PLENUM AND MAINTAIN SUBSTANTIALLY UNIFORM PRESSURE ACROSS THE PLENUM.
Inventors
- 👤 Donald A Sloan
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |