Ships – Implements – Hull cleaning
Patent
1985-03-26
1987-03-17
Basinger, Sherman D.
Ships
Implements
Hull cleaning
15236R, 1510404, 30172, B63B 5900, B63B 5908
Patent
active
046498494
ABSTRACT:
An improved scraping tool is provided for removing barnacles from the propeller shafts of boats with inboard marine engines while the boat is in the water. The scraper is comprised of a curved metal blade with cutting edges on each end which engage substantially one-half of the periphery of the workpiece to remove the debris when moving the tool longitudinally in both directions to effect the desired scraping action. A handle is fastened longitudinally on the axis of the blade and centered on the body of the tool, to easily grasp and position the tool positively on the workpiece from a perpendicular position, and yet provide the leverage necessary to forcefully attack the barnacles. Whereas the handle of most other scrapers allow the operator to be positioned longitudinally at the end of the workpiece, due to the location of the propeller shaft and the associated equipment under a boat, the operator of this tool must be positioned perpendicular to the workpiece yet provide a longitudinal motion to effect the scraping action.
REFERENCES:
patent: 725811 (1903-04-01), Asbell
patent: 804921 (1905-11-01), Blackburn
patent: 1083099 (1913-12-01), Howg
patent: 2701465 (1955-02-01), Johnson et al.
patent: 2944275 (1960-07-01), Markusen
patent: 3029459 (1962-04-01), Pruitt
patent: 3719993 (1973-03-01), Caprioli
patent: 4375709 (1983-03-01), Lewis
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