Cable bolt head

Details Cable bolt head Cable bolt head

E - Fixed Constructions

21

D

E21D 20/02 (2006.01) B25B 29/02 (2006.01) E21D 21/00 (2006.01)

Patent

CA 2194818

A plurality of designs for mine roof bolts is disclosed. Each mine roof bolt includes a flexible multi-strand cable having a first and second end with a drive head formed on the first end, the drive head having a plurality of driving faces on an exterior surface thereof. The drive head may be formed integrally with the multi-strand cable in one embodiment of the present invention. An alternative embodiment of the present invention forms a drive head as a separate member. With a separate drive head, a barrel and wedge assembly may be attached to the cable wherein the drive head is utilized substantially for rotating the cable.

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