Patent ID: 6669304
Filing Date: 2003-12-30
Classification: B60P

Abstract:
A side dump trailer device emptying selectively to either one side or the other side, comprising:(a) a rectangular chassis having a longitudinal center line, the chassis including front and rear axles, each axle having a wheel at each end thereof, the front axle pivotally connected to the chassis, the front axle having a tongue attached thereto, the rectangular chassis including a rectangular support surface of selected width and length, a selected distance above the axle wheels; (b) a rectangular open top box member supported and fastened to the rectangular support surface atop the chassis, the box member having a trapezoidal cross section with a flat closed bottom of selected width and length supported on the chassis rectangular support surface, and an open top larger than the closed bottom and opposite the chassis rectangular support surface, the rectangular support surface and the box member closed bottom each having two side edges parallel with the chassis center line and two end edges perpendicular to the chassis center line, the chassis rectangular support surface two end edges extending beyond the box member closed bottom end edges; (c) rotatable, releasable fastening means between each of the box member closed bottom side edges and the chassis rectangular support surface side edges adjacent thereto; (d) stop means secured to the rectangular chassis between the rectangular support surface and the wheels, the stop means perpendicular to the chassis center line and limiting rotational movement of the box member about the rotatable fastening means between the box member closed bottom side edges and the chassis rectangular support surface side edges; (e) whereby releasing the fastening means between one box member side edge and the adjacent chassis support surface edge allows the box member to empty by elevation of the box member released side with rotation of the box member about the fastened side edge, the stop means limiting rotation of the box member relative to the chassis.