Excavation and road maintenance bits and blocks

Details Excavation and road maintenance bits and blocks Excavation and road maintenance bits and blocks

E - Fixed Constructions

01

C

94/50, 262/83

E01C 23/12 (2006.01) B28D 1/18 (2006.01) E21C 35/18 (2006.01) E21C 35/197 (2006.01)

Patent

CA 1137803

TITLE OF THE INVENTION EXCAVATION AND ROAD MAINTENANCE BITS AND BLOCKS ABSTRACT OF THE DISCLOSURE A bit and block are disclosed wherein the bit has a flat bar-like forward working portion and a shank rearwardly of said forward working portion. The shank, when viewed in cross section, has a noncircular shape so that, when placed in a support block having a bore of similar size and shape, the bit will not rotate in the block. An expansible clip is used at the rear end of the bit, behind the shank portion, to hold the bit in the block.

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