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TOOL AND DEVICE FOR REMOVAL OF MATERIAL ON SURFACES

  • US 20200130230A1
  • Filed: 11/02/2017
  • Published: 04/30/2020
  • Est. Priority Date: 11/02/2016
  • Status: Active Grant
First Claim
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1. A tool for the removal of surfaces, comprising a drive shaft, wherein the drive shaft is rotatably mounted at a first end, wherein a plurality of circular saw blades are disposed at the drive shaft, and wherein the saw teeth of a last saw blade disposed at a second end of the drive shaft opposite of the first end project in the axial direction beyond the second end of the drive shaft, wherein the saw blades are connected to the drive shaft in a rotationally fixed manner, wherein the drive shaft comprises at least one longitudinal groove and a collar, wherein spacer rings are disposed between the saw blades, and wherein the spacer rings and the saw blades have through holes and a central opening, characterized in that the spacer rings and the saw blades have central openings, that at the central openings of the spacer rings one or a plurality of lugs are configured, and that the lugs are formed in a complementary manner to the longitudinal groove or grooves of the drive shaft.

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