CPC B60N 2/686 (2013.01) [B60N 2/682 (2013.01)] | 19 Claims |
1. A hybrid seating structure (10, 100), comprising:
a main structure (12, 112) formed from a thermoplastic material and injection molded as a single piece, comprising:
a frame formed by a left channel (14), right channel (16), bottom channel (18), and top channel (20);
wherein each channel (14, 16, 18, 20) is defined by an outside wall (22, 28, 34, 40), an inside wall (24, 30, 36, 42), and a connecting wall (26, 32, 38, 44) that extends between the outside wall and the inside wall, wherein the inside walls of each channel form an inner side of the frame, and the outside walls and connecting walls form an exterior side of the frame;
wherein each channel (14, 16, 18, 20) comprises a first reinforcing rib structure (46, 48, 50, 52) disposed in the channel;
wherein the outside wall (22) of the left channel (14) comprises a first reinforcement (76);
wherein the outside wall (28) of the right channel (16) comprises a second reinforcement (78); and
wherein the outside walls (28, 22) of the right and left channels have a tapered shape, with a wider first end adjacent to the outside wall (34) of the bottom channel, and a narrower second end adjacent to the outside wall (40) of the top channel.
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