Slag scraper for cutting table

Details Slag scraper for cutting table Slag scraper for cutting table

2006-03-14

2006-03-14

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

With waste entrapping fluid

C266S048000, C148S196000

Reexamination Certificate

active

07011789

ABSTRACT:
A scraper removes debris from under a work table, particularly slag resulting from cutting of metal. A pair of parallel tracks extends along opposite sides of a collection area under the table. A blade carriage is carried on the tracks and driven between forward and rearward positions. A pair of arm assemblies are connected to opposite sides of the blade and pivotally mounted to the carriage for moving the blade between a scraping position and a retracted position. A forward notch on each of the tracks is contacted by the arm assembly after reaching the forward position to cause the arm to move the blade from the scraping position to the retracted position during rearward movement. A rearward notch on each of the tracks is contacted by the arm assembly after reaching the rearward position and commencing forward movement to cause the arm to move the blade from the retracted position to the scraping position. The carriage is moved by continuous cables.

REFERENCES:
patent: 3666249 (1972-05-01), MacLeod, Jr.
patent: 3999744 (1976-12-01), Kotch
patent: 6039915 (2000-03-01), Minter et al.
patent: 6165410 (2000-12-01), Crees et al.

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