Brushing – scrubbing – and general cleaning – Attachments – Moving surface scraper – wiper – or brush
Patent
1993-07-19
1994-07-19
Hornsby, Harvy C.
Brushing, scrubbing, and general cleaning
Attachments
Moving surface scraper, wiper, or brush
744248B, 411437, B21C 4300
Patent
active
053296648
ABSTRACT:
A cleaning device (10) for a threaded shaft (12) having a cleaning member (34) having a threaded recess (42) received on the shaft (12) and extending partially around the shaft (12) with the threads (44) of the cleaning member (34) meshing with the threads (14) of the shaft (12).
REFERENCES:
patent: 1946931 (1934-02-01), Chong
patent: 2580170 (1951-12-01), Grimmer
patent: 2793538 (1957-05-01), Sears
Balow Frank A.
Boston William A.
Skipor Eugene
Alexander Reginald L.
Hamann H. F.
Hornsby Harvy C.
Patti C. B.
Rockwell International Corporation
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