Ball bat barrel with luminescent interior
First Claim
Patent Images
1. An apparatus comprising:
- a longitudinally extending ball bat barrel having an interior surface and a distal end;
a luminescent layer on the interior surface, wherein the luminescent layer, upon being charged, emits light that indicates tampering with the interior surface; and
an end cap system including a cup fixedly secured to the distal end of the barrel, and a cover removably coupled to the cup, the cup including a planar floor recessed from the distal end and extending over a majority of a transverse cross-sectional area defined by the interior surface, the planar floor formed of a material that is transparent, translucent, semi-transparent or semi-translucent.
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Accused Products
Abstract
A ball bat barrel has an interior surface and a luminescent layer on the interior surface. The luminescent layer, upon being charged, emits light that indicates tampering with the interior surface.
90 Citations
14 Claims
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1. An apparatus comprising:
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a longitudinally extending ball bat barrel having an interior surface and a distal end; a luminescent layer on the interior surface, wherein the luminescent layer, upon being charged, emits light that indicates tampering with the interior surface; and an end cap system including a cup fixedly secured to the distal end of the barrel, and a cover removably coupled to the cup, the cup including a planar floor recessed from the distal end and extending over a majority of a transverse cross-sectional area defined by the interior surface, the planar floor formed of a material that is transparent, translucent, semi-transparent or semi-translucent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A ball bat extending along a longitudinal axis, the bat comprising:
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a handle; a tubular barrel connected to or integral with the handle, the barrel comprising an interior surface, the barrel having a distal end defining a distal plane orthogonal to the longitudinal axis, the inner surface of the tubular barrel at the distal plane defining an interior transverse area; a luminescent layer on the interior surface, wherein the luminescent layer, upon being charged, emits light that indicates tampering with the interior surface; and an end cap connected to the distal end of the barrel, the end cap comprising a cup inserted into the distal end of the barrel, the cup having a side wall and a floor, the floor including a window facilitating viewing of the luminescent layer upon the interior surface through the window, the window being recessed with respect to the distal plane, the window extending over at least 50 percent of the interior transverse area, the window comprising an unoccluded opening and wherein the ball bat further comprises a cover having a transparent portion opposite the unoccluded opening.
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14. A ball bat extending along a longitudinal axis, the bat comprising:
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a handle; a tubular barrel connected to or integral with the handle, the barrel comprising an interior surface, the barrel having a distal end defining a distal plane orthogonal to the longitudinal axis, the inner surface of the tubular barrel at the distal plane defining an interior transverse area; a luminescent layer on the interior surface, wherein the luminescent layer, upon being charged, emits light that indicates tampering with the interior surface; and an end cap connected to an axial end of the barrel, the end cap comprising a cup inserted into the distal end of the barrel, the cup having a side wall and a floor, the floor including a window facilitating viewing of the luminescent layer upon the interior surface through the window, the window being recessed with respect to the distal plane, the window extending over at least 50 percent of the interior transverse area, the end cap further including a cover extending over the cup and covering the window.
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Specification