US 5,160,230 A · Safety debris catcher

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. A rotating inner disk within the base of the debris catcher forms a rotating inner surface of a chip chamber, urging debris away form the tool into a debris receiving chamber.

Claims6

Dependent claims

A safety debris catcher or a rotary tool having a rotating working component, comprising:

a resilient, tubular, sleeve-like bellows having a sleeve at its inner end and a debris collector at its outer end;
the bellows being compressible axially and fitting around the working component of the tool;
a non-rotating tailpiece connected to said bellows forming a chip chamber adapted to enclose the working component;
said chip chamber having an annular tubular collecting space axially disposed about a portion of the rotating component;
the chip chamber having an internal portion rotatably connected to said working component.

2 more elements

Dependencies are inferred from the claim text.

Safety debris catcher

Life of this patent

Safety debris catcher

Life of this patent

Abstract

Claims6