Mining or in situ disintegration of hard material – Miscellaneous
Patent
1986-11-14
1988-07-05
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Miscellaneous
299 39, E21C 2512, E02F 508
Patent
active
047550040
ABSTRACT:
A rocksaw device for trenching through hard rock or rocky soil comprising a disc having a mounting base positioned therearound. The mounting base may comprise a plurality of base sections each formed in the shape of a section of a toroid generated by a planar closed curve rotated around the disc axis. The closed curve which generates the toroid is curved along a side opposite the disc axis to provide a convex mounting surface across a mounting surface width in a direction parallel to the disc axis to enable teeth to be mounted at a constant slant angle while maintaining full coverage of the trench area to be cut. An arrangement in which the teeth can be positioned on the bases and a tooth assembly structure usable with the rocksaw are also disclosed.
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Harris Jesse W.
Palmquist Roger A.
Bagnell David J.
Novosad Stephen J.
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