Patent ID: 7438362
Filing Date: 2008-10-21
Classification: A47C,Y10T

Abstract:
1. A drop-in seat unit comprising: a two frame rail drop-in seat unit frame comprising a first frame rail and a second frame rail, wherein the first frame rail and the second frame rail are spaced-apart. each frame rail comprising a first leg and a second leg, wherein the first leg is substantially perpendicular to the second leg, thus forming an L-shape, and wherein the first leg of the first frame rail and the first leg of the second frame rail extend horizontally, the second leg defining a plurality of apertures adapted to receive the end of a hook; a plurality of first hooks fixed to the first frame rail and a plurality of second hooks fixed to the second frame rail, wherein each hook comprises a straight hook end, a hook body, and a hook receiving slot, the straight hook end of each hook extending into one of the apertures in the second leg of one of the frame rails, the hook body disposed adjacent the first leg with the hook receiving slot facing upward the straight hook end being bent towards the second leg to lock the hook onto the frame rail; a plurality of springs, each having a first end attached to one of the first hooks and a second end attached to one of the second hooks; and a plurality of support members each having a first end affixed to the first frame rail and a second end affixed to the second frame rail.