Patent ID: 11878254
Assignee: I SUBARU CO., LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 15:
16. A wisdom ring puzzle comprising:
a stage;
a first ring unit positioned in a first direction with respect to the stage;
a second ring unit positioned in the first direction with respect to the first ring unit;
a third ring unit positioned in the first direction with respect to the second ring unit;
a first pole connected to the first ring unit and the stage, and passing through an inner side of the second ring unit and an inner side of the third ring unit;
a second pole connected to the second ring unit and connected to the stage through an inner side of the first ring unit;
a third pole connected to the third ring unit and connected to the stage crossing over an outer side of the first ring unit and an outer side of the second ring unit; and
a fourth ring unit between the second ring unit and the third ring unit,
wherein
the fourth ring unit is connected to the first pole, and
the third pole is connected to the stage through an inner side of the fourth ring unit.