Vehicle hitch link
AssigneeCase Corporation
InventorsDaniel K. Schlegel, Michael D. Morton, Theodore M. Clarke
Life of this patent
Estimating the term…
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AssigneeCase Corporation
InventorsDaniel K. Schlegel, Michael D. Morton, Theodore M. Clarke
Estimating the term…
A link for a hitch of a work vehicle includes an elongate arm having a first end adapted for being coupled to the work vehicle and a second end adapted for being coupled to an implement. At least one of the first and second ends includes a socket. The draft link further includes a ball removably retained within the socket. In an exemplary embodiment, the ball has a first surface with a first hardness and the socket has a second surface facing the first surface and having a second hardness less than the first hardness. The second surface is preferably formed from a metal including an ausferrite matrix and graphite spheroids. The link is preferably formed by providing at least one mold member having a cavity defining the elongate arm having the first and second ends and at least a portion of a surface of the socket at the first end configured to engage the ball, depositing a molten material into the cavity, solidifying the molten material in the cavity and removing the at least one mold member from about the solidified material. The molten material preferably comprises a ductile iron which is austempered adjacent the socket such that the socket is provided with a surface including an ausferrite matrix and graphite spheroids.
A link for a hitch of a work vehicle, the link comprising:
A link for a hitch of a work vehicle, the link comprising:
An arm for use with a ball having a first surface to form a link of a work vehicle hitch, the arm comprising:
A link for a hitch of a work vehicle, the link comprising:
Dependencies are inferred from the claim text.