Size-Adjustable Sport Shoe

摘要

A size-adjustable sport shoe includes a shoe head, a shoe insole, and an adjusting telescopic device including a gear, a shaft gear, first and second gear racks, and handle. The first and second gear racks are located at two lateral sides of an elongated adjustment groove at the shoe head, wherein the upper surface of the second gear rack is lower than the upper surface of the first gear rack. The gear shaft is coupled between the gear and the handle. When the handle is folded perpendicularly to an axis direction of the gear shaft, the gear meshes with the first gear rack to lock up the shoe head at the shoe insole. When the handle is folded to coincide with the axis direction of the gear shaft, the gear meshes with the second gear rack to allow the shoe head to be slid from the shoe insole.

主权项

1. A size-adjustable shoe, comprising: a shoe head, a shoe insole, and an adjusting telescopic device for enabling said shoe head to slide back and forth along said shoe insole;
wherein said adjusting telescope device comprises a gear, a shaft gear, a first gear rack, a second gear rack, handle, a resilient device, and a sleeve; wherein said first gear rack and said second gear rack are parallelly located along two lateral sides of an elongated adjustment slot at said shoe head, wherein an upper surface of said second gear rack is lower than an upper surface of said first gear rack; wherein one end of said gear shaft is coupled at said gear; wherein an opposed end of said gear shaft is coupled at said handle; wherein said elastic device sheathes on said gear shaft between said gear and said handle; wherein said sleeve sheathes outside said gear shaft; wherein when said handle is folded to be perpendicular to an axis direction of said gear shaft, said gear meshes with said first gear rack; wherein when said handle is folded to coincide with said axis direction of said gear shaft, said gear meshes with said second gear rack.