Brushing – scrubbing – and general cleaning – Machines – Scraping
Patent
1980-09-05
1982-08-17
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Scraping
202241, C10B 4304
Patent
active
043442048
ABSTRACT:
A door frame cleaner for coke ovens in which a supporting frame is mounted on a main frame, which is movable toward or away from a door frame, in such a way that the supporting frame can be moved laterally relative to the main frame in parallel therewith; a vertically reciprocable frame is mounted on the supporting frame at the front side thereof remote from the main frame; at least one pair of L-shaped levers are horizontally pivotably mounted on the vertically reciprocable frame; a front surface scraper is mounted on an outwardly extended arm of each L-shaped lever while an inner surface scraper, on the forwardly extended arm thereof; and a bias spring is so loaded that the forwardly extended arms of the L-shaped levers are normally moved toward each other, whereby even when there exist some misalignments between the scrapers on the one hand and the door frame on the other hand as the main frame is advanced, the supporting frame is so moved that the scrapers are automatically aligned with the door frame and when the front surface scrapers are engaged with their corresponding surfaces as the main frame is further advanced, the L-shaped levers are swung outwardly against the bias spring so that the inner scrapers are caused to press against their corresponding surfaces.
REFERENCES:
patent: 3398416 (1968-08-01), Spindeler
patent: 3696004 (1972-10-01), McCullough
patent: 3955232 (1976-05-01), Konno
patent: 4000043 (1976-12-01), Irwin
Asaba Hirosi
Fujita Kenji
Harada Hideo
Korehisa Kazuo
Shibuya Tsuneo
Roberts Edward L.
Sumitomo Heavy Industrie's, Ltd.
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