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US 2024/0033583 A1Published application
Racket Frame and Racket
AssigneeMizuno Corporation
InventorsYohei YAMASHITA, Daisuke YASUTOMI, Naoya HIGUCHI, Takayuki OOTOMO
Life of this patent
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Abstract
A racket frame includes a face portion having an annular shape in planar view, a grip portion, and a shaft portion connecting the face portion and the grip portion. At least a part of the face portion, the grip portion, and the shaft portion includes a first tubular member. The first tubular member has an inner tubular part, an outer tubular part surrounding the inner tubular part, and a release layer sandwiched between the inner tubular part and the outer tubular part.
Claims20
A racket frame comprising:
- a face portion having an annular shape in planar view, a grip portion, and a shaft portion connecting the face portion and the grip portion,
- wherein at least a part of the face portion, the grip portion, and the shaft portion includes a tubular member, and
- in a section orthogonal to an extending direction of the tubular member, the tubular member includes an inner tubular part, an outer tubular part surrounding the inner tubular part, and a release layer sandwiched between the inner tubular part and the outer tubular part.
Dependencies are inferred from the claim text.