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Cutter head

  • US 4,692,069 A
  • Filed: 11/15/1985
  • Issued: 09/08/1987
  • Est. Priority Date: 11/15/1984
  • Status: Expired due to Fees
First Claim
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1. A cutter head having a substantially cylindrical main body and a plurality of replaceable cutting members disposed at the periphery of said main body and having at least one cutting edge extending in the axial and/or radial direction of said main body, wherein each cutting member is mounted on a carrier member secured to said main body and adapted to be radially and axially adjusted with respect to said main body by means of separate adjustment means disposed between said main body and said carrier member, and to be fixed in position on said main body with the aid of clamping means, each carrier member being mounted in a groove extending substantially radially of the axis of rotation of said main body and having substantially parallel surfaces in the radial direction, the adjustment means for the axial adjustment of said carrier member comprising an axial adjustment wedge which is disposed on the side of said carrier member opposite to the intended axial advance direction of said main body and provided with a substantially radially extending threaded bore in alignment with a threaded bore in said main body, the two threaded bores being adapted to be threadedly engaged by a differential screw for the displacement of said axial adjustment wedge, and the adjustment means for the radial adjustment of said carrier member comprising a radial adjustment wedge which is disposed on the side of said carrier member facing away from the direction of intended rotation of said main body and adapted to be engaged with a substantially radially outwardly facing engagement surface of said carrier member, and the main body being formed with a substantially axially extending threaded bore adjacent said radial adjustment wedge adapted to be threadedly engaged by a headed screw, the bottom side of the head of said screw being adapted to be engaged with said radial adjustment wedge for displacing the radial adjustment wedge.

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