| 摘要 |
<p>A combination chair and cart unit comprising: a shaft (12) having ground engaging wheels (14) mounted thereon at the ends thereof; first and second U-shaped (18, 24) elements each having a pair of generally rigid sides (19, 36) and a crosspiece (32, 34) interconnecting first ends of the sides, the second ends of the sides being rotatably mounted on the shaft (12); a flexible sheet (33) secured at the ends thereof to and extending between the crosspieces of the first and second elements (18, 24) and passing partially about the shaft, said sheet having a pair of parts normally extending outwardly from said shaft and being in operative position angularly disposed relative to each other, third and fourth U-shaped elements (50, 66), each of the third and forth elements including a pair of generally rigid sides (54, 68) and a crosspiece (52, 70) at first ends of the sides; means (64) pivotally connecting the sides (54) of the third element with respective sides (19) of the first element; means (72) pivotally connecting the sides (68) of the fourth element with respective sides (36) of the second element, said fourth element being movable from a first location extending upwardly and away from the second element to a second location extending downardly and along the third element when the third element is in a position extending forwardly and downwardly from the first element; and means (56) coupling the adjacent ends of the third element with the ends of the fourth element when fourth element is in the first and second operative locations thereof.</p> |
