Patent ID: 6334546
Filing Date: 2002-01-01
Classification: A63B

Abstract:
A ball cartridge means for storing and delivering practice ball comprising:a tube container formed as cylindrical shape having a top opening and a bottom opening respectively formed on a top and a bottom of the container for filling a plurality of balls therein, and including: a pair of slots circumferentially formed in opposite cylindrical wall portions of the tube container; and said locking bar transversely inserted through and slidably held in the two slots formed in the tube container; a locking bar resiliently held in a bottom portion of said tube container and fastened on the tube container by a restoring fastener for normally retaining the balls within the container without dropping through the bottom opening as limited by said locking bar; a discharge tube secured on an unloading means and positioned under said tube container and communicated with said bottom opening of said tube container; said discharge tube including: a ridge portion, a sloping-surface portion inclined downwardly from the ridge portion to projectively intersect the slots as cut in the tube container, a bar recess recessed in a lower portion of the sloping surface portion opposite to the ridge portion, and a bottom opening formed at a bottom of the discharge tube; whereby upon coupling of said tube container on said discharge tube by downwardly depressing said tube container on said discharge tube, said locking bar is sidwardly thrusted by said sloping-surface portion of said discharge tube to unlock the locking bar to allow the balls to drop from the tube container into said discharge tube, and the balls will be delivered to a ball dispensing device through said discharge tube and said unloading means.