Patent ID: 7540813
Filing Date: 2009-06-02
Classification: A63B

Abstract:
1. A bat weight for use on a bat having a knob end, a barrel end opposite the knob end and a taper defined along an outer surface between the knob end and the barrel end, a cross-section the bat weight comprising: a) a longitudinal axis, a first opening at a first end, and a second opening at a second end opposite the first end, the second opening being larger than the first opening; b) a weighted section defined between the first end and the second end, a portion of which further comprising in cross-section: c) an annular retainer ring secured proximate the first end for engaging the bat taper upon advancement of the bat weight across the bat outer surface from the knob end to the barrel end, the annular retainer ring fixing the dimension of the first opening during use and non-use of the bat weight relative to a bat such that the first opening is not adjustable relative to the bat during use an non-use of the bat weight relative to a bat; d) the weighted section spaced from the annular retainer ring and defined between the annular retainer ring and the second end and further comprising a plurality of separate, spaced apart weights secured around the longitudinal axis; and e) wherein centrifugal force during swinging of the bat seats the annular retainer ring against the bat taper.