| 摘要 |
The disclosure relates to a shelf storage system comprising a rectangular stand formed of vertical members connected to each other by horizontally extending transverse members, a pair of longitudinal trackway member resting on the ends of the transverse members of the stand, the one end of the stand having the trackway members at a higher elevation than at the other end of the stand to form a falling gradient at the receiving end of the shelf of the stand, at least one shelf for a mobile storage and transport unit by which goods may be stored on the shelf, a stop mechanism at the lower end of the trackway members to adapt the storage of mobile units loaded with goods on the trackway, and a mechanism for loading and unloading the unit on and off the shelf. The mobile storage unit comprises a four sided frame supported with two pairs of rotatable rollers disposed at opposite sides respectively of the frame and with their axes of rotation disposed above the frame. The stop means cooperate with the frontal and rear transverse member of the four sided frame of the mobile storage units, and are disposed besides the trackways a certain amount back from the end of each trackway. The end region of each of the trackways have a hump-like or gibbous elevation. |
