Abstract: Example embodiments disclose a coupling device that includes a support member and a pivot member. The support member may include a first wall, a second wall a third wall, and a fourth wall. The pivot member may be pivotally supported in the support member. In example embodiments, the pivot member may include a first stanchion penetrating the first wall and a second stanchion penetrating the second wall. In example embodiments the support member may further include one of a third stanchion on the third wall and a first aperture in the third wall and one of a fourth stanchion on the fourth wall and a second aperture in the fourth wall.

Abstract: Example embodiments disclose a coupling device that includes a support member and a pivot member. The support member may include a first wall, a second wall a third wall, and a fourth wall. The pivot member may be pivotally supported in the support member. In example embodiments, the pivot member may include a first stanchion penetrating the first wall and a second stanchion penetrating the second wall. In example embodiments the support member may further include one of a third stanchion on the third wall and a first aperture in the third wall and one of a fourth stanchion on the fourth wall and a second aperture in the fourth wall.

Abstract: A directional side dump trailer having a wheeled frame for supporting a containment tub for receiving material to be dumped, which tub is releasably attached to the frame by locks, and at least a pair of power cylinders secured to the tub and the trailer and located generally below the containment tub.