Importance

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Abstract

A coupler is provided for a railroad rotary dump car. The coupler comprises a coupler housing, a coupler head, a buff loading shim, and as most preferred, a plurality of spring tabs, and spring tab fasteners. The coupler housing defines a coupler cavity with a cavity end. The coupler head has a spindle, is mounted to the coupler housing, and is adapted for rotary movement relative to the housing. The spindle has a spindle end adjacent the cavity end. The shim interposes the spindle end and the cavity end. The spring tabs are spaced one from another. Each includes a spring portion and a fastener portion. The fastener portions provide for removable fastening of the spring tabs to the coupler housing. The spring portions bias the shim against the cavity end and away from the spring tabs. The spring portions are curved relative to the fastener portions. The spring tab fasteners removably fasten the spring tabs along the fastener portions to the coupler housing adjacent the shim. Among other advantages, the shim is positioned and spring biased for abutment by the spindle end and against the cavity end in buff loading and upward and against the cavity end for increased life and reduced wear and damage. Also, the spring tabs may be removed and the shim removed and replaced as necessary due to wear of all components.

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First Claim