B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/12 (2006.01) B23K 9/04 (2006.01) B62D 55/125 (2006.01)
Patent
CA 2301797
The objects of the invention are: a weld overlay having stable quality is provided; cracks which have been created on a weld overlay during engagement of a part with its mating member are prevented from extending; and adverse effects on the wear of the mating member are avoided. A weld overlay containing hard particles is formed on each tooth of a sprocket 6 such that each bead extends in a direction (direction B) perpendicular to the rotating direction of the sprocket 6. A weld overlay containing hard particles is formed on the outer peripheral surface of a bushing such that each bead extends in a direction perpendicular to the rotating direction of the sprocket, the outer peripheral surface serving as a contact surface for the sprocket which engages with the bushing.
Ltd. Komatsu
Riches Mckenzie & Herbert Llp
LandOfFree
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