US 12,239,892 B2
Ball bats with reduced durability regions for deterring alteration
Dewey Chauvin, Simi Valley, CA (US); Ian Montgomery, Simi Valley, CA (US); and Frederic St-Laurent, Oak Park, CA (US)
Assigned to EASTON DIAMOND SPORTS, LLC, Thousand Oaks, CA (US)
Filed by EASTON DIAMOND SPORTS, LLC, Thousand Oaks, CA (US)
Filed on Nov. 3, 2021, as Appl. No. 17/453,412.
Application 17/453,412 is a continuation of application No. 15/654,513, filed on Jul. 19, 2017, granted, now 11,167,190.
Prior Publication US 2022/0054909 A1, Feb. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 59/50 (2015.01); A63B 59/51 (2015.01); A63B 59/54 (2015.01); A63B 102/18 (2015.01)
CPC A63B 59/50 (2015.10) [A63B 59/51 (2015.10); A63B 59/54 (2015.10); A63B 2102/18 (2015.10); A63B 2209/02 (2013.01); A63B 2209/14 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A ball bat comprising a handle and a barrel, the barrel being attached to or continuous with the handle along a longitudinal axis of the bat, wherein the barrel comprises:
two stacks of composite laminate plies, wherein the stacks are spaced apart from each other along the longitudinal axis of the bat to form a gap therebetween;
an outwardly facing skin positioned between a first ply of a first one of the stacks and an exterior surface of the barrel;
an inwardly facing skin positioned between a second ply of the first one of the stacks and an interior hollow region of the barrel, wherein the stacks are positioned between the outwardly facing skin and the inwardly facing skin; and
a fibrous bundle positioned in the gap and at least partially encircling the longitudinal axis of the bat;
wherein the gap extends all of a distance between the outwardly facing skin and the inwardly facing skin.