发明名称 Bowling practice device and method
摘要 An example of a practice device includes a top portion, a bottom portion, a middle portion extending along a longitudinal axis between the top and bottom portions, a neck portion extending between the top and middle portions, and a plurality of weights. The top portion includes a first cross section and at least two through-holes extending between front and rear surfaces. The bottom portion and middle portions include second and third cross sections, respectively. The neck includes a fourth cross section smaller than the third cross section. The weights have center holes smaller than the third cross section but larger than the first and fourth cross sections are configured for placement around the neck portion. Example methods of practicing and warming up may use various practice devices.
申请公布号 US8834283(B2) 申请公布日期 2014.09.16
申请号 US201313733115 申请日期 2013.01.02
申请人 Eileen's Bowling Buddy, LLC 发明人 Byron Rex William
分类号 A63B23/12;A63B69/00;A63B21/072;A63B21/075 主分类号 A63B23/12
代理机构 Trenner Law Firm, LLC 代理人 Trenner Mark D.;Trenner Law Firm, LLC
主权项 1. A bowling practice device, comprising: a top portion including a first cross section and at least two through-holes extending between front and rear surfaces; a bottom portion including a second cross section; a middle portion extending along a longitudinal axis between the top and bottom portions and including a third cross section; a neck portion extending between the top portion and the middle portion, the neck portion including a fourth cross section smaller than the third cross section; at least one weight placed around the neck portion and including a center hole smaller than the third cross section; and a plurality of additional weights.
地址 Denver CO US
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