Patent ID: 9573609
Date: 2017-02-21
CPC Classifications: B62B,E06C

Claim:
1. A picking ladder cart, comprising: a frame; a plurality of wheels installed at a bottom of the frame, which allows the picking ladder cart to be moved on a flat surface; a ladder pivotally connected to a side of the frame, wherein the ladder is pivotally movable between a first position and a second position, and comprises of two side rails and a plurality of steps which are connected between the two side rails; the two side rails are adjacent to the frame when the ladder is moved to the first position; the two side rails are moved away from the frame when the ladder is moved to the second position; one of the plurality of steps, which is arranged at a lowest location among the plurality of steps is defined as a lowest step closest to the plurality of wheels; a stopper provided at the bottom of the frame, which has a first end and a second end, wherein the first end is connected to the bottom of the frame, and the second end is adjacent to the ladder; wherein the lowest step abuts against the second end of the stopper when the ladder is moved to the second position, which causes a middle part of the stopper to contact one of the plurality of wheels; and the lowest step remains abutting against the second end when the ladder is in the second position, which prevents movement of the picking ladder cart along the flat surface.