US3219130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for rapping the collecting electrodes in electrostatic precipitators
Assignee: GEA Group AG
•
Filing: 1963-07-01
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Granted: 1965-11-23
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Steuernagel Walter
- 👤 Bobel Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
MECHANISM FOR RAPPING COLLECTING ELECTRODE PLATES IN ELECTROSTATIC PRECIPITATORS BY THE APPLICATION OF HAMMER RAPS TO AN END OF A RAPPER BAR ENGAGEABLE WITH SAID PLATES, COMPRISING A RAPPER BAR, A ROTARY DRIVING MEMBER, AT LEAST TWO TUMBLING HAMMERS, SAID HAMMERS BEING OF CONSECUTIVELY INCREASING WEIGHT MEANS MOUNTING SAID HAMMERS ON THE SAME AXIS ECCENTRICALLY JOINED TO SAID ROTARY DRIVING MEMBER IN SUCH MANNER THAT ROTATION OF THE ROTARY DRIVING MEMBER CAUSES A LIGHT HAMMER TO FIRST HIT SAID BAR AND A FOLLOWING HEAVIER HAMMER TO THEN HIT SAID FIRST LIGHT HAMMER SO THAT THE HAMMERS RAP THE RAPPER BAR WITH A SERIES OF RAPS EACH CONSISTING OF A NUMBER OF RAPS OF INCREASING INTENSITY.
Claim 2
Dependent Claim
115 words
MECHANISM FOR RAPPING COLLECTING ELECTRODE PLATES IN ELECTROSTATIC PRECIPITATORS BY THE APPLICATION OF HAMMER RAPS TO AN END OF A RAPPER BAR ENGAGEABLE WITH SAID PLATES, COMPRISING A RAPPER BAR, A ROTARY DRIVING MEMBER, AT LEAST TWO TUMBLING HAMMERS, SAID HAMMERS BEING OF CONSECUTIVELY INCREASING WEIGHT MEANS MOUNTING SAID HAMMERS ON THE SAME AXIS ECCENTRICALLY JOINED TO SAID ROTARY DRIVING MEMBER IN SUCH MANNER THAT ROTATION OF THE ROTARY DRIVING MEMBER CAUSES A LIGHT HAMMER TO FIRST HIT SAID BAR AND A FOLLOWING HEAVIER HAMMER TO THEN HIT SAID FIRST LIGHT HAMMER SO THAT THE HAMMERS RAP THE RAPPER BAR WITH A SERIES OF RAPS EACH CONSISTING OF A NUMBER OF RAPS OF INCREASING INTENSITY.
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |