公开(公告)号：US20220204116A1

公开(公告)日：2022-06-30

申请号：US17594526

申请日：2019-11-29

Applicant: Feng LIN

Inventor： Zijie LIN ,  Feng LIN ,  Fan LU

IPC: B62K15/00

Abstract: A three-dimensional folding frame is disclosed including a first pivot portion for providing a front folding wheel frame with movable folding; a second pivot portion for providing a rear folding wheel frame with movable folding; a third pivot portion for providing a handlebar vertical rod with rotatable folding; and a fourth pivot portion for providing a crossbar with rotatable folding. The crossbar includes a first folding arm and a second folding arm; the first folding arm is movably connected to the front folding wheel frame by means of the first pivot portion; the front folding wheel frame rotates about the first pivot portion and can move relative to the first folding arm; the second folding arm is movably connected to the rear folding wheel frame by means of the second pivot portion.

公开(公告)号：US20230322325A1

公开(公告)日：2023-10-12

申请号：US18326369

申请日：2023-05-31

Applicant: Feng LIN

Inventor： Zijie LIN ,  Feng LIN ,  Fan LU

IPC: B62K15/00

CPC classification number: B62K15/008

Abstract: A three-dimensional folding frame is disclosed including a first pivot portion for providing a front folding wheel frame with movable folding; a second pivot portion for providing a rear folding wheel frame with movable folding; a third pivot portion for providing a handlebar vertical rod with rotatable folding; and a fourth pivot portion for providing a crossbar with rotatable folding. The crossbar includes a first folding arm and a second folding arm; the first folding arm is movably connected to the front folding wheel frame by means of the first pivot portion; the front folding wheel frame rotates about the first pivot portion and can move relative to the first folding arm; the second folding arm is movably connected to the rear folding wheel frame by means of the second pivot portion.