Importance

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Abstract

An improved wheeled support assembly for a trailer spraying device including a tank for liquid to be sprayed mounted on a main frame of the device, and a spray assembly adapted to spray liquid from the tank in a predetermined pattern through a spray boom projecting from both sides of the frame. Two large wheels are mounted on each side of the main frame by a rigid wheel adapting frame fixed to the main frame that comprises two elongate support members each spaced from a different one of the sides of the main frame to provide wheel clearance spaces between those elongate support members and the sides of the main frame. Included are two elongate pivot members, and sleeve bearing on each of the pivot members mounting two of the wheels on the pivot member for rotation about parallel axes transverse of the pivot member, one of which wheels being mounted on a first end portion and on one side of the pivot member, and the other of the wheels being mounted on a second opposite end portion of the pivot member and on its opposite side; together with an assembly for mounting the center portion of each of the pivot members on a different one of the elongate support members for pivotal movement of the pivot member about an axis parallel to the axes about which the wheels are rotatably mounted with one of the said wheels in the wheel clearance space, and the other of the wheels on the side of the elongate support member opposite the main frame.

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First Claim