Reversible blade bit
AssigneeCaterpillar Tractor Co.
InventorsLarry G. Eftefield, Paul J. Lukavich
Life of this patent
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Abstract
A reversible bit for selective mounting to an earth-moving blade, such as a bulldozer blade, having opposite corner portions. The bit includes transversely extending cutting edge portions and a mounting portion adapted to be selectively mounted to opposite corners of the blade with one or the other of the cutting edge portions suitably disposed in cutting position whereby the bit provides substantially twice the normal life of the conventional blade bit.
Claims6
a reversible end bit for selective mounting to an earthworking blade having opposite corner portions, said bit comprising a one-piece rigid member having a first cutting edge portion, a second cutting edge portion extending transversely to said first cutting edge portion, and a mounting portion included between said cutting edge portions and adapted to be mounted to one corner portion of a blade with said mounting portion facially abutting the blade and said first cutting edge portion in forwardly projecting cutting position, and to the opposite corner portion of the blade with said mounting portion turned approximately 90.degree. and facially abutting the blade and the second cutting edge portion in forwardly projecting cutting position, said member being substantially symmetrical about a centerline bisecting the angle defined by said cutting edge portions and said mounting portion.
Dependencies are inferred from the claim text.