Cylinder-shaped cutting body for a coal cutting machine

Details Cylinder-shaped cutting body for a coal cutting machine Cylinder-shaped cutting body for a coal cutting machine

1993-08-31

1995-01-03

Bagnell, David J.

Mining or in situ disintegration of hard material

Miscellaneous

299 93, E21C 3518

Patent

active

053780507

ABSTRACT:
A cylinder-shaped cutting body for a coal cutting machine with a clearing and loading worm or clearing screw comprising basic parts disposed at even spacings and placed on the cutting body surface so that it projects away from the cutting body surface whereby a chisel holder interchangeably receiving a chisel can be connected to each basic part. The chisel holder has a plug-in neck which, in the direction of a chisel receptacle, has a shoulder for limiting the insertion movement of the plug-in neck into a plug-in receptacle of the basic part. Looking in the direction of running of the cutting body, behind the chisel receptacle of the chisel holder, a pressure screw, accessible from the top of the basic part, is disposed in the basic part and is adjustable with respect to the plug-in neck of the chisel holder so that it exerts a retracting force on the plug-in neck of the chisel holder.

REFERENCES:
patent: 2296235 (1942-09-01), Fulke
patent: 4693518 (1987-09-01), Sulosky et al.
patent: 5011229 (1991-04-01), O'Neil et al.

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