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US 3,990,948 AGranted
Apparatus for cleaning the bottom surface of a coke oven door plug
AssigneeKoppers Company, Inc.
InventorCarl G. Lindgren
Life of this patent
Estimating the term…
Abstract
A cleaner head is pivotally mounted to a shaft carried by an actuating arm that is so powered that, as the actuating arm pivots about an axis, the cleaner head, which is resiliently biased, engages and cleans the bottom surface of a coke oven door plug or lining.
Claims9
Apparatus for cleaning the bottom surface of the lining of a coke oven door including:
- a. a cleaning tool pivotally mounted to
- b. a horizontal shaft supporting said cleaning tool;
- c. an arm carrying said horizontal shaft and said cleaning tool;
- and
- d. means for horizontally oscillating said arm and cleaning tool arcuately beneath said door lining whereby said tool coacts with and cleans said bottom surface.
2 more elements
Apparatus for cleaning the bottom surface of the lining or plug of a coke oven door including:
- a. a cleaning tool comprising a blade member removably mounted to a holder pivotally mounted to
- b. a horizontal shaft supporting said holder and blade;
- c. an arm carrying said horizontal shaft;
- d. means resiliently biasing said holder to said shaft;
- and
- e. fluid actuated means for horizontally oscillating said arm and cleaning tool arcuately beneath said door lining and about a vertical axis whereby said blade contacts and cleans said bottom surface.
3 more elements
Dependencies are inferred from the claim text.