| 摘要 |
PURPOSE: An escalator device, on which dollies can be mounted and onto which dollies are easily carried, to carry dollies in or out in a substantially horizontal attitude, and abrupt gradient changes are eliminated in the step road to easily hold dollies, is provided CONSTITUTION: In an escalator device, three or more steps constantly travel in a higher/lower horizontal section, and concave/convex curved section. length of 1221mm, radius of curvature of 2500-3500mm, gradient angle of 15-25 °. moving velocity of 15-25m/min.
|
