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Patent Searching and Data


Title:
BALL SHOOTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/177186
Kind Code:
A1
Abstract:
The present invention relates to a soft tennis ball shooting machine and provides a ball shooting machine for shooting a ball, the ball shooting machine comprising: a body which has a compressed air filled therein and includes a barrel formed at an end thereof, wherein a ball is guided and shot through the barrel; a first cylinder which has a piston movably disposed therein and is disposed inside the body; a second cylinder which is disposed inside the body separately from the first cylinder and has a supply hole formed in the circumferential surface thereof, wherein the compressed air in the body is supplied into the second cylinder through the supply hole; and a ball piston which is disposed inside the second cylinder and connected to the piston of the first cylinder, wherein, when the ball piston is withdrawn from the second cylinder, the compressed air is supplied through the supply hole of the second cylinder thereinto so that the ball piston shoots the ball.

Inventors:
KWAK SANG WON (KR)
Application Number:
PCT/KR2018/003107
Publication Date:
September 19, 2019
Filing Date:
March 16, 2018
Export Citation:
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Assignee:
TIVOTEC CO LTD (KR)
International Classes:
A63B69/40; A63B102/00
Foreign References:
KR100702227B12007-04-03
JP2009066444A2009-04-02
KR100999018B12010-12-09
KR101420085B12014-07-15
KR101722163B12017-04-04
Attorney, Agent or Firm:
LEE, Choong Han (KR)
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