Bat having a sleeve with slots

Details Bat having a sleeve with slots Bat having a sleeve with slots

2008-04-22

2008-04-22

Graham, Mark S (Department: 3711)

Games using tangible projectile

Player held and powered, nonmechanical projector, per se,...

Bat

C473S567000

Reexamination Certificate

active

11553360

ABSTRACT:
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.

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At least as early as 2002, Miken Sports sold its Ultra2 Softball Bat that had a composite sleeve that was thick in the middle and thin at either edge.

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