| 摘要 |
A chair with a tip-up seat comprises a mounting and support frame having two spaced tubular metal uprights joined by at least one cross member, an injection moulded back rest member formed with sockets adjacent its side edges and receiving the upper ends of the tubular uprights, seat brackets secured to and extending forwardly from the uprights, an injection moulded seat member having a peripheral downturned flange, metal reinforcing members extending parallel to and within the flange adjacent each side edge of the seat member and secured to the latter, bushings extending from each side of the seat member through the flange and said reinforcing members, hinge pins extending through said seat brackets into said bushings to hinge the seat member to the support frame, and a counterweight attached beneath the rear of the seat member, the reinforcing members being formed with out-turned flanges which engage the seat brackets when the seat member is tipped down.
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