Patent Document ID: 6022281
Application ID: 09009040
Patent Flag: 1

Claim One:
1. A baseball bat sized and configured for use in a baseball game by itself and in combination with a practice device for use in training, comprising in combination: the baseball bat having a knob end disposed at one end of the bat adjacent to a cylindrically shaped handle portion of the bat and an insert, the knob end having an aperture sized for receiving the insert, the insert being connected to the knob end, the insert defining a socket hole, the practice device including a weight structure having a weight sized for positioning in coaxial engagement with the knob end of the baseball bat, the weight having a mass in the range of one to forty-eight ounces, the weight structure having connection means projecting outwardly from the weight structure for disengageable connection within the socket hole to secure the practice device in fixed position with the knob end of the baseball bat for use in training, the weight structure and connecting means being inseparable with one another, the knob end of the baseball bat being free of protuberances for use of the baseball bat in the baseball game without the practice device.