Wear resistant chain for trenchers

Details Wear resistant chain for trenchers Wear resistant chain for trenchers

1989-02-13

1990-07-17

Jones, David

Chain, staple, and horseshoe making

Chains

Conduit

59 5, 59 6, 59 8, 59 93, 299 82, F16G 1308

Patent

active

049413155

ABSTRACT:
A sidebar is provided for a 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.

REFERENCES:
patent: 3754341 (1973-08-01), Caldwell et al.
patent: 3830054 (1974-08-01), Tamamura et al.
patent: 3854363 (1974-12-01), Merkell et al.
patent: 3913979 (1975-10-01), Strauss et al.
patent: 4363178 (1982-12-01), Erickson
patent: 4404761 (1983-09-01), Paulin et al.
patent: 4509323 (1985-04-01), Ledvina
patent: 4562761 (1986-01-01), Alexander
patent: 4660611 (1987-04-01), Gockley et al.
"Metals Handbook", American Society for Metals, vol. 2, pp. 167, 168, 1964.

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