The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 21, 2020

Filed:

Dec. 16, 2016
Applicant:

Newdin Contents Co., Ltd., Seoul, KR;

Inventors:

Sang Hyun Joo, Daejeon, KR;

Se Hwan Kim, Daegu, KR;

Bong Kyung Ko, Daejeon, KR;

Jun Mo Hwang, Seoul, KR;

Yeong Jin Noh, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 71/06 (2006.01); A63B 69/00 (2006.01); A63B 69/40 (2006.01); G05B 15/02 (2006.01); A63B 102/18 (2015.01);
U.S. Cl.
CPC ...
A63B 71/0622 (2013.01); A63B 69/0002 (2013.01); A63B 69/406 (2013.01); G05B 15/02 (2013.01); A63B 69/40 (2013.01); A63B 2069/0008 (2013.01); A63B 2071/0638 (2013.01); A63B 2102/18 (2015.10); A63B 2220/803 (2013.01);
Abstract

A screen baseball system includes: a screen portion arranged in front of a batter's box and having a pitching hole allowing a pitched ball to pass therethrough; a ball pitching device arranged behind the screen portion to pitch a ball toward the batter's box through the pitching hole; and a hole opening/closing device configured to operate to close the pitching hole when the ball pitching device does not pitch the ball and to open the pitching hole when the ball pitching device pitches the ball.


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