US3094860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drum apparatus for the processing of articles
Assignee: Baker Perkins Ltd
•
Filing: 1959-06-04
•
Granted: 1963-06-25
•
Expires: 1979-06-04
Abstract
No abstract record available.
Inventors
- 👤 Ferrah Frederick Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:04
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/02; D06F95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
APPARATUS FOR THE DRY CLEANING OF ARTICLES OF CLOTHING COMPRISING, IN COMBINATION, A DRUM MOUNTED FOR REVERSIBLE ROTATION ON A FIXED, SUBSTANTIALLY HORIZONTAL AXIS AND SUPPORTED BY A SINGLE END, SAID DRUM HAVING A CYLINDRICAL PORTION WITH A TRANSVERSE ANNULAR WALL AT ONE END THEREOF AND A HOLLOW TRUNNION WHICH SERVES FOR THE ENTRY INTO THE DRUM OF ARTICLES TO BE CLEANED THEREIN AND IS EXTERNALLY ENGAGED BY ROTARY SUPPORTING MEANS AND DRIVING MEANS FOR THE DRUM, THE OTHER END OF THE DRUM HAVING A CONJOINT OPEN-ENDED FRUSTO-CONICAL PORTION, THE INTERIOR OF AT LEAST SAID FRUSTO-CONICAL PORTION BEING PROVIDED WITH A PLURALITY OF HELICOIDAL LAMINAR VANES SET AT A SUITABLE PITCH AND SO DIRECTED THAT, UPON REVERSAL OF THE DIRECTION OF ROTATION OF THE DRUM FROM THAT IN WHICH IT NORMALLY ROTATES DURING THE CLEANING ARTICLES OF CLOTHING THEREIN, THE VANES DISPLACE SAID ARTICLES TOWARDS AND THROUGH THE OPEN END OF SAID FRUSTOCONICAL PORTION.
Claim 2
Dependent Claim
154 words
APPARATUS FOR THE DRY CLEANING OF ARTICLES OF CLOTHING COMPRISING, IN COMBINATION, A DRUM MOUNTED FOR REVERSIBLE ROTATION ON A FIXED, SUBSTANTIALLY HORIZONTAL AXIS AND SUPPORTED BY A SINGLE END, SAID DRUM HAVING A CYLINDRICAL PORTION WITH A TRANSVERSE ANNULAR WALL AT ONE END THEREOF AND A HOLLOW TRUNNION WHICH SERVES FOR THE ENTRY INTO THE DRUM OF ARTICLES TO BE CLEANED THEREIN AND IS EXTERNALLY ENGAGED BY ROTARY SUPPORTING MEANS AND DRIVING MEANS FOR THE DRUM, THE OTHER END OF THE DRUM HAVING A CONJOINT OPEN-ENDED FRUSTO-CONICAL PORTION, THE INTERIOR OF AT LEAST SAID FRUSTO-CONICAL PORTION BEING PROVIDED WITH A PLURALITY OF HELICOIDAL LAMINAR VANES SET AT A SUITABLE PITCH AND SO DIRECTED THAT, UPON REVERSAL OF THE DIRECTION OF ROTATION OF THE DRUM FROM THAT IN WHICH IT NORMALLY ROTATES DURING THE CLEANING ARTICLES OF CLOTHING THEREIN, THE VANES DISPLACE SAID ARTICLES TOWARDS AND THROUGH THE OPEN END OF SAID FRUSTOCONICAL PORTION.
References Cited (Backward Citations)
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US2075010A
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US2057526A
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GB467594A
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US2255028A
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US2171409A
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US2573103A
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US2842002A
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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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |