A school
bus seats comprise a pin having a cross-sectional shape selected from the group consisting of a pentagon, a hexagon, a heptagon and an octagon. First and second brackets include an aperture selected correspondingly from the group consisting of a pentagon, a hexagon, a heptagon and an octagon. First and second supports include an aperture selected correspondingly from the group consisting of a pentagon, a hexagon, a heptagon and an octagon. The apertures in the brackets and supports are formed in a fiber reinforced polymer such that the apertures are devoid of knit lines. The pins reside in the apertures of the supports and brackets inhibiting rotation of the brackets with respect to the supports. A seat back is secured to the brackets.
A school
bus seats as claimed in claim 1 wherein a component of said school
bus seats back is made by the following steps: coating a mold with a spray elastomer; inserting said component into said mold; and, injecting urethane foam into saidmold, said urethane adhering to said component and said elastomer.
A school
bus seats, comprising: a seat back, support legs, a seat bottom and a one-piece integral envelope cushion completely residing over said seat back, said envelope cushion includes an integrally molded polyurethane foam having anelastomeric skin formed on the exterior thereof; said seat back is a sandwich composite, and includes an aisle-side bracket interconnecting one of said support legs and a window-side bracket interconnecting the other of said support legs by pinsselected from the group consisting of hollow pentagonal, hexagonal, heptagonal and octagonal pins; wherein said sandwich composite seat back is ultrasonically welded to said brackets.
