Solid material comminution or disintegration – Apparatus – Rotary striking member with axial or radial flow of material
Patent
1978-03-27
1979-12-11
Goldberg, Howard N.
Solid material comminution or disintegration
Apparatus
Rotary striking member with axial or radial flow of material
29447, 241191, 241197, B02C 1328
Patent
active
041779568
ABSTRACT:
A comminution device having replaceable blade assemblies which are used, preferably, as stators. The blade assemblies can be replaceably affixed to the housing of the machine when used as stators or may be replaceably affixed to a rotating arm when used as rotors. The blade assemblies are comprised of a plug member that may have threads on part of its outer periphery in order to be threadedly connected to a stationary housing or rotatable member of a machine. A slotted portion is formed in the plug member and one end of a cemented hard metal carbide blade is disposed in said slotted portion. A collar is shrunk fit over the periphery of the slotted portion and provides the clamping force necessary to hold the blade in assembled relation to the plug member. Tapering cooperating elements of abutment are provided between the walls of the slot and the sides of the blade in order to urge one end of the blade into firm contact with the bottom of the slotted portion.
REFERENCES:
patent: 1811438 (1931-06-01), Riley et al.
patent: 2013800 (1935-09-01), Daniels
patent: 2539056 (1951-01-01), Brown
patent: 3157366 (1964-11-01), Rogers
patent: 3193918 (1965-07-01), Heldenbrand
patent: 3740839 (1973-06-01), Otte et al.
patent: 4113191 (1978-09-01), Wattles et al.
Burns Lawrence R.
Goldberg Howard N.
Kennametal Inc.
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