US3147098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter cleaner
Assignee: Honan Associates Inc
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Filing: 1962-05-18
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Granted: 1964-09-01
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Paul R Honan
- 👤 Bratton Cleon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; B01D46/66; B01D46/68; B01D46/682; B01D2273/00; B01D2273/28; B01D2279/00; B01D2279/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A FILTER CLEANING DEVICE COMPRISING A FRAME HAVING A FILTER SUPPORTED THEREIN, A DRIVE MECHANISM SUPPORTED ON SAID FRAME INCLUDING ENDLESS ROLLER CHAINS EXTENDING ALONG THE EDGES OF SAID FRAME, AND A CLEANING MECHANISM SUPPORTED ON SAID CHAINS TRANSVERSELY OF SAID FRAME FOR RECIPROCATING TRAVERSAL OF SAID FILTER, SAID CLEANING MECHANISM COMPRISING AN OUTER TUBE HAVING STAGGERED AND OVERLAPPING RELATIVELY LONG LINER SLOTS FACING SAID FILTER IN CLOSE PROXIMITY THERETO, AN INNER TUBE ROTATABLY MOUNTED WITHIN SAID OUTER TUBE AND HAVING SPIRALLY LOCATED RELATIVELY SHORT SLOTS THEREIN, A SOURCE OF VACUUM COUPLED TO SAID INNER TUBE, AND A MOTOR MOUNTED ON SAID OUTER TUBE AND CONNECTED TO SAID INNER TUBE FOR ROTATING IT AND FOR CAUSING FLOW OF AIR INWARDLY THROUGH ONE RELATIVELY SHORT SECTION OF THE SLOTS AFTER ANOTHER IN SAID OUTER TUBE, SAID DRIVE MECHANISM INCLUDING MEANS FOR DRIVING SAID CHAINS IN UNISON AND THEREWITH SAID CLEANING MECHANISM IN ONE DIRECTION TO COMPLETELY TRAVERSE SAID FILTER AND THEN IN THE REVERSE DIRECTION TO COMPLETELY TRAVERSE SAID FILTER.
Claim 2
Dependent Claim
169 words
A FILTER CLEANING DEVICE COMPRISING A FRAME HAVING A FILTER SUPPORTED THEREIN, A DRIVE MECHANISM SUPPORTED ON SAID FRAME INCLUDING ENDLESS ROLLER CHAINS EXTENDING ALONG THE EDGES OF SAID FRAME, AND A CLEANING MECHANISM SUPPORTED ON SAID CHAINS TRANSVERSELY OF SAID FRAME FOR RECIPROCATING TRAVERSAL OF SAID FILTER, SAID CLEANING MECHANISM COMPRISING AN OUTER TUBE HAVING STAGGERED AND OVERLAPPING RELATIVELY LONG LINER SLOTS FACING SAID FILTER IN CLOSE PROXIMITY THERETO, AN INNER TUBE ROTATABLY MOUNTED WITHIN SAID OUTER TUBE AND HAVING SPIRALLY LOCATED RELATIVELY SHORT SLOTS THEREIN, A SOURCE OF VACUUM COUPLED TO SAID INNER TUBE, AND A MOTOR MOUNTED ON SAID OUTER TUBE AND CONNECTED TO SAID INNER TUBE FOR ROTATING IT AND FOR CAUSING FLOW OF AIR INWARDLY THROUGH ONE RELATIVELY SHORT SECTION OF THE SLOTS AFTER ANOTHER IN SAID OUTER TUBE, SAID DRIVE MECHANISM INCLUDING MEANS FOR DRIVING SAID CHAINS IN UNISON AND THEREWITH SAID CLEANING MECHANISM IN ONE DIRECTION TO COMPLETELY TRAVERSE SAID FILTER AND THEN IN THE REVERSE DIRECTION TO COMPLETELY TRAVERSE SAID FILTER.
References Cited (Backward Citations)
US2594957A
Cited
US2796146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |