Road milling drum assembly and method of milling

Details Road milling drum assembly and method of milling Road milling drum assembly and method of milling

1995-05-08

1996-07-16

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

299 871, 299106, E21C 4700, E01C 23088

Patent

active

055360734

ABSTRACT:
A mining drum assembly for use in the mining of a substrate that has a drum. A plurality of bars, each one of the bars has a plurality of laterally-spaced apart mining bit assemblies connected thereto, are affixed to the surface of the drum. The bars define first and second regions of discrete bars equi-spaced about the circumference of the drum. The bars of the first region being circumferentially and laterally spaced-apart from the bars of the second region.

REFERENCES:
patent: 2737378 (1956-03-01), Barnett
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patent: 3775018 (1973-11-01), Barton
patent: 4006936 (1977-02-01), Crabiel
patent: 4068897 (1978-01-01), Amoroso
patent: 4186968 (1980-02-01), Barton
patent: 4614379 (1986-09-01), Wirtgen
patent: 4720207 (1988-01-01), Salani
patent: 5052757 (1991-10-01), Latham
patent: 5098167 (1992-03-01), Latham
Kennametal Drawing No. 844-01149-A (Sept. 26, 1976).
Kennametal Drawing No. 804-01144 (Jan. 4, 1979).
Kennametal Drawing No. 804-01097 (Apr. 11, 1977).
Kennametal Drawing No. 804-01096 (Apr. 6, 1977).
Kennametal Drawing No. 804-01084 (May 4, 1976).
Brochure from Keystone Engineering & Manufacturing on Taper Lock System.
Sketch of Keystone tri-bit/block arrangement.
Kennametal Drawing No. 844-01505 (Feb. 2, 1990).

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