Training bat having moveable internal weight and method

Details Training bat having moveable internal weight and method Training bat having moveable internal weight and method

2006-06-06

2006-06-06

Kim, Eugene (Department: 3711)

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

C473S422000

Reexamination Certificate

active

07056240

ABSTRACT:
A training bat has a knob, handle section and barrel section. A weight is located within the interior of the barrel section on a rotatable shaft, and is moveable linearly. Linear movement of the weight is caused by rotation of the shaft. Preferably, the shaft is coupled to the knob, so that rotation of the knob causes rotation of the shaft and linear movement of the weight along at least a portion of the barrel section.

REFERENCES:
patent: 64081 (1867-04-01), Dibble
patent: 3136546 (1964-06-01), Connolly
patent: 3414260 (1968-12-01), Gust
patent: 4819935 (1989-04-01), Dirksing et al.
patent: 4898386 (1990-02-01), Anderson
patent: 5277421 (1994-01-01), Rewolinski
patent: 5334118 (1994-08-01), Dantolan
patent: 6569042 (2003-05-01), LaChance et al.
patent: 6692386 (2004-02-01), Brundage

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