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Patent Searching and Data


Title:
DOUBLE-LAYER SPEED WHEEL
Document Type and Number:
WIPO Patent Application WO/2019/056888
Kind Code:
A1
Abstract:
Provided is a double-layer speed wheel, comprising: an inner core (1); an inner liner (2); and an outer liner (5). The inner core (1) has a circular shape. Waist-shaped holes (4) are arranged around a periphery of the inner core (1). The inner core (1) has a shaft hole (3) at the center thereof for installation. The inner liner (2) is arranged at an outer side of the inner core (1). The inner liner (2) has an annular shape, and is connected and fixed to an outer periphery of the inner core (1) by means of injection molding. The outer liner (5) is positioned at an outer periphery of the inner liner (2). The outer liner (5) has an annular shape and encloses the inner liner (2). An inner side of the outer liner (5) encloses the waist-shaped holes (4) arranged around the edge of the inner core (1) by means of injection molding. The outer liner (5) is connected and fixed to the inner liner (2) and the inner core (1).

Inventors:
QIAN, Zhiyu (No.18 Huipu Road Baipu Town Rugao, Nantong, Jiangsu 0, 226500, CN)
Application Number:
CN2018/100387
Publication Date:
March 28, 2019
Filing Date:
August 14, 2018
Export Citation:
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Assignee:
JIANGSU YAOZHANG SPORT ARTICLES CO., LTD (No.18 Huipu Road Baipu Town Rugao, Nantong, Jiangsu 0, 226500, CN)
International Classes:
A63C17/22
Foreign References:
CN107569841A2018-01-12
CN207614321U2018-07-17
CN2491078Y2002-05-15
EP0898991A11999-03-03
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