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    • 3. 发明授权
    • Bat having a sleeve with slots
    • 蝙蝠有一个袖子与槽
    • US07214152B1
    • 2007-05-08
    • US11244638
    • 2005-10-06
    • Matthew V. VacekBiju Mathew
    • Matthew V. VacekBiju Mathew
    • A63B59/06
    • A63B59/58A63B59/50A63B60/52A63B2102/18A63B2209/00
    • Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality of second cross-sections having a second stiffness. Each first cross-section is beside one second cross-section or between two of the second cross-sections and the first stiffness is greater than the second stiffness. The variance in stiffness between the first cross-sections and the second cross-sections is created by varying the amount of material in the cross-section or by, more accurately, removing material in the second cross sections to make the second cross-sections more flexible by creating slots. Likewise, a bat may be provided with third cross sections on the sides of the second cross-sections distal from the first cross-section whereby the third cross-sections are less stiff that the second cross-sections because more material is removed.
    • 这里公开了一种蝙蝠,包括手柄部分,附接到手柄部分的过渡部分和连接到过渡部分的筒部分。 枪管部分包括具有第一刚度的一个或多个第一横截面和具有第二刚度的多个第二横截面。 每个第一横截面在一个第二横截面之间或两个第二横截面之间,并且第一刚度大于第二刚度。 第一横截面和第二横截面之间的刚度变化是通过改变横截面中的材料的量或通过更准确地去除第二横截面中的材料而产生的,以使得第二横截面更多 通过创建插槽灵活。 类似地,蝙蝠可以在远离第一横截面的第二横截面的侧面上设置有第三横截面,由此由于更多的材料被去除,第三横截面的刚度较低,使得第二横截面是第二横截面。
    • 6. 发明授权
    • Bat having a sleeve with holes
    • 蝙蝠有一个有孔的袖子
    • US07294073B1
    • 2007-11-13
    • US11243120
    • 2005-10-04
    • Matthew V. VacekBiju Mathew
    • Matthew V. VacekBiju Mathew
    • A63B59/06
    • A63B59/58A63B59/50A63B60/52A63B2102/18A63B2209/00
    • Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality of second cross-sections having a second stiffness. Each first cross-section is beside one second cross-section or between two of the second cross-sections and the first stiffness is greater than the second stiffness. The variance in stiffness between the first cross-sections and the second cross-sections is created by varying the amount of material in the cross-section or by, more accurately, removing material in the second cross sections to make the second cross-sections more flexible by creating holes.
    • 这里公开了一种蝙蝠,包括手柄部分,附接到手柄部分的过渡部分和连接到过渡部分的筒部分。 枪管部分包括具有第一刚度的一个或多个第一横截面和具有第二刚度的多个第二横截面。 每个第一横截面在一个第二横截面之间或两个第二横截面之间,并且第一刚度大于第二刚度。 第一横截面和第二横截面之间的刚度变化是通过改变横截面中的材料的量或通过更准确地去除第二横截面中的材料而产生的,以使得第二横截面更多 灵活创造洞。