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Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 473/436
Name: Games using tangible projectile > Playing field or court game; game element or accessory therefor other than projector or projectile, per se > Practice or training device > Having projectile return means > Using moving arm or rotating wheel
Description: Practice or training device in which the force used to return the projectile is supplied by or through means of a movable armlike member or a rotatable wheellike member which engages the surface of the projectile and, respectively, moves or rotates in order to apply the impelling force upon the projectile.


Patents under this class:

Patent Number Title Of Patent Date Issued
6406386 Ball size adjustment mechanism for table tennis robot Jun. 18, 2002
6241628 Projectile machine with remote control for basketball practice and the like Jun. 5, 2001
6224503 Portable basketball retrieval and return device May. 1, 2001
6155936 Baseball pitcher's practice target with ball return Dec. 5, 2000
5776018 Basketball collection, passing and shot analysis system Jul. 7, 1998
5733209 Pneumatic ball launching apparatus Mar. 31, 1998
5618039 Batting exercising device for baseball Apr. 8, 1997
5599017 Baseball target and projector apparatus Feb. 4, 1997
5573239 Apparatus to catch, determine accuracy and throw back a ball Nov. 12, 1996
5494022 Ball projecting apparatus Feb. 27, 1996
5487540 Apparatus for use in practicing the fundamentals of basketball Jan. 30, 1996
5222731 Device for catching a ball Jun. 29, 1993
5133548 Pitching trainer with automatic ball return Jul. 28, 1992
5064194 Apparatus for use in practicing pitching of baseballs Nov. 12, 1991
5042820 Soccerball returner Aug. 27, 1991
5009421 Table tennis ball serving device Apr. 23, 1991
4938479 Tennis ball return apparatus Jul. 3, 1990
4917380 Table tennis ball serving device Apr. 17, 1990
4883272 Ball catching frame with ball expelling machine connected thereto Nov. 28, 1989
4854588 Table tennis ball serving device Aug. 8, 1989
4844458 Table tennis ball serving device Jul. 4, 1989
4772017 Projector for projecting a tennis ball Sep. 20, 1988
4714248 Basketball return device Dec. 22, 1987
4678189 Basketball return device Jul. 7, 1987
4579340 Basketball return device Apr. 1, 1986
4568089 Ball-returning tennis net assembly Feb. 4, 1986
4368885 Spring type ball emitting apparatus Jan. 18, 1983
4299383 Tennis training device Nov. 10, 1981
4280697 Tennis training device Jul. 28, 1981
4256303 Tennis practice device Mar. 17, 1981
4220331 Baseball batting range retrieval system Sep. 2, 1980
4191374 Projectile return apparatus with ball target area Mar. 4, 1980
4116438 Table tennis robot Sep. 26, 1978
4025071 Tennis ball server and court installation May. 24, 1977



 
 
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