Patent ID: 11944199
Assignee: REMACRO TECHNOLOGY CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 7:
8. The mechanical stretching device according to claim 1, wherein the leg stretching structure comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, and a first footrest element, wherein:
a rear end of the first connecting rod is hinged to the linkage structure, a front end of the first connecting rod is hinged to a rear end of the second connecting rod, a rear end of the third connecting rod is hinged to the linkage structure, a front end of the third connecting rod is hinged to a rear end of the fourth connecting rod, a front end of each of the second connecting rod and the fourth connecting rod is hinged to the first footrest element, a middle of the second connecting rod is hinged to a middle of the third connecting rod; and
an end of the second connecting rod close to the first connecting rod is provided with a first connecting point, and the second connecting rod is hinged to the middle of the third connecting rod at the first connecting point.