Bar for a road milling drum

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working

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Details

299106, 299108, F21C 3519

Patent

active

056476418

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), Barrett
patent: 3325219 (1967-06-01), Guillon et al.
patent: 3775018 (1973-11-01), Barton
patent: 4006937 (1977-02-01), Crabiel
patent: 4068897 (1978-01-01), Amoroso
patent: 4186897 (1980-02-01), Barton
patent: 4325580 (1982-04-01), Swisher, Jr. et al.
patent: 4614379 (1986-09-01), Wirtgen
patent: 4720207 (1988-01-01), Salami
patent: 4793732 (1988-12-01), Jordan
patent: 5052757 (1991-10-01), Latham
patent: 5098167 (1992-03-01), Latham
Kennametal Drawing No. 844-01149-4 (Sep. 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 (undated).
Sketch of Keystone Tri-Bit/Block Arrangement (undated).
Kennametal Drawing No. 844-01505 (Feb. 2, 1990).

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