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1. (WO2013143411) ATHLETIC FIELD FOR BALL

Pub. No.:    WO/2013/143411    International Application No.:    PCT/CN2013/072910
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Thu Mar 21 00:59:59 CET 2013
IPC: A63B 71/02
A63B 71/04
Applicants: WU, Qiu
吴球
Inventors: WU, Qiu
吴球
Title: ATHLETIC FIELD FOR BALL
Abstract:
An athletic field for a ball is rectangular, and is provided with a net or thread erected in the middle, and the net or thread is 2.88 m high at most. The field has closed areas. A first level field has the length of 17.5-38 m and the width of 8.5-17.5 m, and a second level field has the length of 37-45 m and the width of 17.5-22.5 m. The field is provided with start blocks, and the start blocks may have a wood material structure or metal material structure.