E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/71
E21C 25/56 (2006.01) E02F 3/14 (2006.01) E02F 5/06 (2006.01) E03F 5/06 (2006.01) F16G 13/02 (2006.01)
Patent
CA 2024263
ABSTRACT OF THE DISCLOSURE A sidebar is provided for an offset sidebar trenching chain. The sidebar has an inner edge which slides along a boom of a trenching machine, when the trenching chain is in use. The sidebar is induction hardened through a portion thereof extending from the inner edge, for increased resistance to wear due to friction.
Macrae & Co.
Rexnord Corporation
LandOfFree
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