Abstract: A toothed conveyor belt is composed of a flexible belt body and an elastically deformable steel belt. The flexible belt body conveys articles on the outer side thereof and has meshing teeth formed on the inner side thereof for meshing with a toothed pulley. The steel belt is embedded in the belt body and extends in the longitudinal direction of the belt body.

Abstract: A fastener for securing a wheel to a shaft comprises a first ring having a cylindrical central opening. The first ring includes a radially extending portion having for engaging one side of the wheel. A boss having a tapered outer surface extends axially from the radially extending portion, and the central opening extends through the radially extending portion and through the boss. The fastener also includes a second ring for engaging the opposite side of the wheel, and a third ring having an inner surface engageable with the tapered outer surface of the boss of the first ring. Bolts connectable to the second and third rings urge the second and third rings axially toward each other whereby the second ring is urged against said opposite side of the wheel so that the wheel is axially pressed between the first and second rings, and the inner cylindrical surface of the boss is radially pressed against the shaft.