IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0980654
(2010-12-29)
|
등록번호 |
US-8512175
(2013-08-20)
|
발명자
/ 주소 |
- Epling, Sean S.
- Fritzke, Mark A.
- Goodwin, Ty B.
|
출원인 / 주소 |
- Wilson Sporting Goods Co.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
52 |
초록
▼
A ball bat extending about a longitudinal axis. The bat includes a handle and a barrel portion having an outer surface and including a proximal member and a distal member. The proximal member has first and second end regions and the distal member has third and fourth end regions. The first end regio
A ball bat extending about a longitudinal axis. The bat includes a handle and a barrel portion having an outer surface and including a proximal member and a distal member. The proximal member has first and second end regions and the distal member has third and fourth end regions. The first end region is coupled to the handle portion, the second end region of the proximal member is coupled to the third end region of the distal member, and the fourth end region of the distal member is coupled to an end cap. The proximal and distal members are formed of first and second materials, respectively. The second material is a fiber composite material, the second fiber composite material of the distal member is co-molded to the outer surface of the second end region of the proximal member.
대표청구항
▼
1. A ball bat extending along a longitudinal axis, the bat comprising: a handle portion; anda barrel portion having an outer surface and including a proximal member and a distal member, the proximal member having first and second end regions and the distal member having third and fourth end regions,
1. A ball bat extending along a longitudinal axis, the bat comprising: a handle portion; anda barrel portion having an outer surface and including a proximal member and a distal member, the proximal member having first and second end regions and the distal member having third and fourth end regions, the first end region being coupled to the handle portion, the second end region of the proximal member being coupled to the third end region of the distal member to form a barrel overlap region, and the fourth end region of the distal member being coupled to an end cap, the proximal and distal members formed of first and second materials, respectively, the second material being a fiber composite material, the second fiber composite material of the distal member being secondarily molded to the outer surface of the second end region of the proximal member, at least a portion of the connection between the second and third end regions including telescopic engagement between the second and third end regions. 2. The ball bat of claim 1, wherein the first material selected from the group consisting of an aluminum alloy, a titanium alloy, a scandium alloy, steel and combinations thereof. 3. The ball bat of claim 2, wherein the outer surface of the second end region of the proximal member is roughened prior to being secondarily molded to distal member. 4. The ball bat of claim 1, wherein the first material is a composite fiber material including a plurality of fibers positioned within a first resin, and wherein the fibers are selected from the group consisting of carbon fibers, glass fibers, basalt fibers, boron fibers, carrot fibers, hemp fibers, Kevlar®, Spectra® and combinations thereof. 5. The ball bat of claim 4, wherein the first resin is configured to cure at a temperature of at least 300 degrees F. 6. The ball bat of claim 4, wherein the second fiber composite material includes a plurality of fibers positioned within a second resin, and wherein the fibers are selected from the group consisting of carbon fibers, glass fibers, basalt fibers, boron fibers, carrot fibers, hemp fibers, Kevlar®, Spectra® and combinations thereof. 7. The ball bat of claim 6, wherein the second resin is configured to cure at a temperature of 275 degrees F. or less. 8. The ball bat of claim 1 wherein the length of the barrel overlap region of the second and third end regions measured with respect to the longitudinal axis is within the range of 0.1 inches to 7 inches. 9. The ball bat of claim 1 wherein the length of the barrel overlap region of the second and third end regions measured with respect to the longitudinal axis is within the range of 1.0 inches to 2.5 inches. 10. The ball bat of claim 1, wherein the bat has a center of percussion, and wherein the overlap of the second and third end regions has a mid-length, and wherein the mid-length is longitudinally positioned within plus or minus three inches of at center of percussion of the bat. 11. The ball bat of claim 1, wherein, when the bat is tested in accordance with the NCAA Standard for Testing Baseball Bat Performance, the bat has a maximum BBCOR value of less than or equal to 0.500. 12. The ball bat of claim 1, wherein the overlap of the second and third end has a length measured with respect to the longitudinal axis, and wherein the center of the length of the overlap is within the range of 5.0 to 9.0 inches from a distal end of the bat. 13. The ball bat of claim 1, wherein the outer surface of the barrel portion extending from the first end region to the fourth end region is substantially uniform, and wherein the outer diameter of the outer surface of the barrel portion varies by less than 0.090 inch per inch along the length of the barrel portion. 14. The ball bat of claim 1 wherein the overlap of the second and third end regions forms a barrel overlap region, and wherein the outside diameter of the barrel portion of remains substantially the same along the length of the barrel overlap region. 15. The ball bat of claim 1, wherein the handle portion is formed of a third material, and wherein the first, second and third materials are different from each other. 16. The ball bat of claim 1, wherein at least one of the first, second and third materials is different from the remaining of the first, second and third materials. 17. The ball bat of claim 1 wherein the wall thickness of the barrel overlap region is greater than the wall thickness of either the proximal member or the distal member. 18. The ball bat of claim 1 wherein the overlap of the second and third end regions forms a barrel overlap region, and wherein the first end region of the proximal member and the handle portion form a second overlap region. 19. The ball bat of claim 1 wherein at least a portion of each of the proximal and distal members defines the outer surface of the barrel portion. 20. The ball bat of claim 1, wherein one of the second and third end regions overlaps the other of the second and third end regions. 21. The ball bat of claim 20, wherein each of the proximal and distal members define at least 30 percent of the outer surface of the barrel portion.
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