|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 5|
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.
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 move...