An adjustment structure of a Presta valve for a bicycle tire contains: an outer stem, a reinforcement stem, and a fitting sleeve. The outer stem includes a flat extension extending outward from a bottom of the outer stem, and the outer stem includes a coupling portion formed on the bottom of the outer stem. The reinforcement stem includes a hollow portion defined in the reinforcement stem, and the reinforcement stem includes a female threaded portion arranged on an inner wall of a bottom of the reinforcement stem. The fitting sleeve includes multiple ribs arranged on an upper end of an outer wall of the fitting sleeve. Furthermore, the fitting sleeve further includes a recess defined on a lower end of the outer wall thereof so as to retain with the flat extension of the outer stem.
Adjustment structure of Presta valve for bicycle tire
2018-10-25
Patent
Electronic Resource
English
Connector structure for a Schrader (American) valve/Presta (French) valve
European Patent Office | 2016
|European Patent Office | 2018
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