Foldable cart

摘要

A foldable cart includes a frame mechanism and a control mechanism. The control mechanism can drive the frame mechanism to be in a collapsed state or an expanded state.

主权项

1. A foldable cart comprising:
a frame mechanism including
a main frame body that has two spaced-apart upright first pipes, two second pipes respectively and telescopically inserted into said first pipes, and two third pipes respectively connected to bottom ends of said first pipes,a carrier that is rotatably connected to bottom ends of said third pipes, andtwo spaced-apart wheel members that are respectively connected to and pivotable about said third pipes and that are connected to said carrier for pivoting in a simultaneous manner with a rotating movement of said carrier; and a control mechanism including two drive units for rotating said carrier, each of said drive units corresponding to one of said first pipes and one of said second pipes, and including
a driven gear member that is drivingly connected to said carrier for rotation of said carrier and that is disposed below the corresponding one of said first pipes, anda driving rack member that is disposed inside the corresponding one of said first pipes in an upward and downward movable manner and that is connected to a bottom end of the corresponding one of said second pipes to move along therewith, said driving rack member being meshable with said driven gear member to drive said driven gear member.