US Patent 7371198 Racket frame

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Edits on 16 Sep, 2023

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Golden AI

edited on 16 Sep, 2023

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Chin-Dong Pai0

Edits on 1 Sep, 2023

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Golden AI

edited on 1 Sep, 2023

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Patent abstract

A racket frame has a head hoop, a connecting segment, a handle and two prestressing devices. The head hoop has a bottom end and a string. The connecting segment is connected with the head hoop and has a yoke, two shafts and a throat. The yoke is formed on the bottom end of the head hoop. The shafts are respectively mounted with the yoke and each shaft has a mounting hole. The handle is connected with the connecting segment. The prestressing devices are attached to the shafts in the mounting holes.

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Golden AI

edited on 21 May, 2023

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https://pdfpiw.uspto.gov/.piw?Docid=07371198

Edits on 20 May, 2023

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Golden AI