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US 12,582,884 B2Granted
Ball bat having variable wall thickness
AssigneeWilson Sporting Goods Co.
InventorsJohn P. Steel, Ninad Trifale, Robert A. Lairmore, James M. Earley, Jeremy H. Yim, Sean P. Griffin
Life of this patent
Estimating the term…
Abstract
A ball bat may include a handle portion and a barrel portion extending away from the handle portion to an end cap. The barrel portion has an outer wall formed from aluminum and includes at least two and no greater than four inwardly projecting circumferential humps spaced by intervening circumferential valleys.
Claims14
A ball bat comprising:
- a handle portion;
- and
- a barrel portion extending away from the handle portion to an end cap, the barrel portion having an outer wall formed from aluminum and comprising at least two and no greater than four inwardly projecting circumferential humps spaced by intervening circumferential valleys and located within 10 inches of an axial distal end of the barrel portion
- wherein the inwardly projecting circumferential humps comprise a first circumferential hump having a first maximum thickness axially spaced at least 1.5 inches from the axial distal end.
1 more element
A ball bat comprising:
- a handle portion;
- an aluminum barrel portion extending away from the handle portion to an axial distal end, the aluminum barrel portion having an outer wall comprising:
- a first inwardly projecting circumferential hump having a first maximum thickness and axially spaced from an axial end of the ball bat by no greater than 2.5 inches;
- and
- a second inwardly projecting circumferential hump having a second maximum thickness greater than the first maximum thickness and axially spaced from the axial distal end by at least 4 inches.
2 more elements
Dependencies are inferred from the claim text.