Cutting by use of rotating axially moving tool – With product handling or receiving means
Patent
1989-07-07
1990-09-11
Howell, Daniel
Cutting by use of rotating axially moving tool
With product handling or receiving means
408 72R, B23B 4500
Patent
active
049559842
ABSTRACT:
Disclosed are safety debris collectors for collecting dust and debris, such as concrete particles and dust, rock chips, steel particles, radioactive particles, insulation and other particles and dust when drilling, chipping, and using stud guns, drills, piston drive devices and other operating tools used in the construction industry which create working dust or debris and the like. The safety debris catcher does not rotate or move with the operating portion of the tool, it is easily and readily connected to and detached from an operating tool or device, it can be used in confined spaces, such as spaces between beams, braces, and ceilings at different elevations, and it can be used at any angle and effectively collect debris, dust and other particles.
REFERENCES:
patent: 1237064 (1917-08-01), Kunitz
patent: 2643088 (1953-06-01), Hornack
patent: 2792199 (1957-05-01), Becker et al.
patent: 3339435 (1967-09-01), Heitz
patent: 3583821 (1971-06-01), Phaub et al.
patent: 3936213 (1976-02-01), Koppel
Howell Daniel
Weiler James F.
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