Patent ID: 11904197
Assignee: NANO-SECOND TECHNOLOGY CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. An upper limbs training device comprising:
a housing, comprising two casings and an annular rail, wherein the two casings are removably assembled with each other so as to surround an accommodation space, the annular rail is fixed in the accommodation space, and the annular rail has an annular groove;
a sleeve ring, rotatably disposed in the annular groove, wherein the sleeve ring comprises an annular body and a mount component, the annular body has a first mount portion and a first insertion hole portion respectively located at two opposite sides of the annular body, the mount component has a second mount portion and a second insertion hole portion respectively located at different positions of the mount component, and the second mount portion of the mount component is mounted on the first mount portion of the annular body; and
a spinning mass, comprising two shaft portions located opposite to each other, wherein the two shaft portions are respectively and rotatably located at the first insertion hole portion and the second insertion hole portion so as to allow the spinning mass to be rotatable with respect to the sleeve ring;
wherein each of the two casings comprises a first protrusion portion, a second protrusion portion, and a third protrusion portion connected to one another;
wherein in each of the two casings, the first protrusion portion is located between the second protrusion portion and the third protrusion portion, and two recesses are respectively formed between the first protrusion portion and the second protrusion portion and between the first protrusion portion and the third protrusion portion; and
wherein the two first protrusion portions of the two casings together form a base portion, the annular rail is mounted on the base portion, the two second protrusion portions of the two casings together form a first grip portion, and the two third protrusion portions of the two casings together form a second grip portion.