| 摘要 |
<p>A conveyance system including a crank arm (7) having a base end portion rotatably supported by a second support axle (25) and a free end portion rotatably supporting a suspended supporting apparatus (9), and a swinging arm (8) having a base end portion fixed to a first support axle (22) and a front end portion coupled to an intermediate position of the crank arm (7). A movable bearing stand (24) supporting the second support axle (25) is provided to be movable toward and away from a fixed bearing stand (21) supporting the first support axle (22). Further, a suspended section parallel link mechanism (51) of a suspended supporting apparatus (9) is so configured that a free end support axle (50) is located above a line connecting suspension pins (54, 54') at both ends of an upper frame (53).</p> |
