Abstract: A plastic chair which is assembled from only several unitary pieces, some of which can be identical to each other. The chair seat takes the form of a unitary seat-back shell of molded plastic material. The base structure takes the form of two molded plastic pieces having male and female connecting portions to permit joining the pieces of the base merely by fitting them together. Connecting flanges on the seat-back shell permit securing the seat to the connecting portion of the base. The base pieces are secured together by ultrasonic welding and the seat is ultrasonically welded to the base. The method of making the chair includes molding the several pieces from a colorant containing plastic and securing the pieces together. Each leg includes a plurality of webs to permit cutting the legs so a chair of a desired height is obtained while simultaneously obtaining floor engaging glides. Strengthening ribs and rigidity to the chair, and the plastic can include glass fiber reinforcing for additional strength.

Abstract: A rodeo training device for training cowboys to ride rodeo animals such as bulls and wild horses. The device includes a rider support and mechanism to drive the rider support to simulate the bucking and/or spinning motions of a rodeo animal attempting to unseat its rider.