Patent ID: 6170893
Filing Date: 2001-01-09
Classification: A01B,B62B,E01H,E02F,E21B

Abstract:
In a shovel blade for attachment to an elongated handle and comprising an integral member pressed or stamped from a single sheet of material having a substantially uniform thickness, the member including a blade portion having inner and outer surfaces, a generally tubular socket portion, and a flared portion joining the socket portion and the blade portion, the socket portion having a generally straight section extending to one end of the socket portion for receiving the elongated handle, and a curved section extending through the flared portion to an opposite end of the socket portion, the socket portion further having a convex top side that merges at the opposite end thereof with the inner surface of the blade portion, the improvement comprising:a corrugation rib in the convex top side of the socket portion and extending at least between the opposite end of the socket portion and a point on the straight section of the socket portion.