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US 12,722,094 B2Granted
Yo-yo
AssigneeBandai Co., Ltd.
InventorsKazuyuki Sugimatsu, Kenta Kai, Yuki Omure, Hans Van Dan Elzen
Life of this patent
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Abstract
A yo-yo includes: a shaft member; a string member supported by the shaft member; a first rotation portion rotatable around the shaft member; and a second rotation portion rotatable around the shaft member and rotatable relative to the corresponding first rotation portion. The second rotation portion is provided outside the first rotation portion in a direction in which the shaft member extends, the second rotation portion covers a partial area of the first rotation portion, and at least a part of the partial area is visible through the second rotation portion.
Claims17
A yo-yo comprising:
- a shaft member;
- a string member supported by the shaft member;
- a first rotation portion rotatable around the shaft member;
- a second rotation portion rotatable around the shaft member and rotatable relative to the first rotation portion;
- and
- a bearing by which the second rotation portion is rotatable relative to the first rotation portion, wherein
- the first rotation portion includes a main body portion rotatably supported by the shaft member, an interlocking member interlocking with rotation of the main body portion, and a coupling member coupling the interlocking member with the main body portion,
- the main body portion and the interlocking member are coupled to each other by the coupling member with the bearing sandwiched therebetween,
- the second rotation portion is provided outside the first rotation portion in a direction in which the shaft member extends,
- the second rotation portion covers at least a part of the interlocking member, and
- at least a part of the interlocking member is visible through the second rotation portion.
8 more elements
Dependencies are inferred from the claim text.