Earth working tool bit and block assembly

Details Earth working tool bit and block assembly Earth working tool bit and block assembly

1985-02-21

1987-05-19

Leppink, James A.

Mining or in situ disintegration of hard material

Miscellaneous

37142A, 175413, 407 47, E21C 3518

Patent

active

046662146

ABSTRACT:
A bit and block assembly for use on an earthworking machine rotor including a bit, a block for receiving the bit, and elastomeric means for retaining the bit in the block. The bit has a first shank portion of irregular cross section and extending from one end of that shank portion is a second shank portion of smaller cross section. The longitudinal axes of the first and second shank portions are parallel. At the opposite end of the first shank portion is a forward working portion having an edge of wear resistant material for contacting the working medium. The block has a longitudinal bore of irregular cross section similar to the first shank portion.

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