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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||273/26E ; 273/58C|
|발명자 / 주소||
|인용정보||피인용 횟수 : 11 인용 특허 : 2|
Apparatus for practicing and teaching ball batting characterized by use of a rotary member journaled for rotation about a shaft, and a flexible linkage affixes a ball, nominally a baseball, in a down-hanging position from the rotary member. When the ball is struck with a bat it will move in an arcuate motion about the axis of the rotary member. Particularly in accordance with the present invention, a backboard mounts the rotary member to a vertrical post. The backboard is releasably maintained upon the post by “U”bolts which hold the post against a chann...
An apparatus for practicing ball batting comprising: a backboard having a front and rear surface; an arm member mounted to said backboard and extending generally perpendicularly outward from said front surface; an impact member suspended from said arm member to rotate about the longitudinal axis of said arm member upon being struck by a bat; means positioned on the rear surface of said backboard and extending therethrough to said front surface of said backboard for mounting said backboard to a vertical support post; and a pair of elongate spacer bars mou...