CN1348828A

CN1348828A - Bats for baseball

Info

Publication number: CN1348828A
Application number: CN00130127A
Authority: CN
Inventors: 史蒂文·C·尤德温; 戴维·塔里卡; 马歇尔·L·瓦因加登
Original assignee: ENOL CORP
Current assignee: ENOL CORP
Priority date: 2000-10-13
Filing date: 2000-10-13
Publication date: 2002-05-15

Abstract

A base ball bar covered with foam includes contral core body with opening at end and two separated buffer parts, it forms a buffer striking part of separated foamed cylindrical body and a buffer handle part. Several bulge parts or key grooves are extendted along outside of said core body, said core body is matched with internal surface of said buffer parts to retain it at the proper position of core body, a transtion device with smooth conical surface is set between the said buffer parts, a cap or cock is inserted into the opening hole at end to provide ridigity.

Description

Baseball bat

The present invention relates to a kind of baseball bat with foam coverage, especially, the present invention relates to a kind of like this baseball bat with foam coverage, its rod assembly is held togather under the situation of chemical fixatives not having.

Known its outer surface in light weight and have softness of baseball bat that children and teenager use, to reduce the injured situation of participant.In known equipment, soft or buffering outside has a foam deck, and it is fixed to a core body with chemical method., adopt the process labour intensity of Chemical Felter bonding known devices assembly big, need to handle these Chemical Felters, and under a stable condition, can be pressed Zhang Guanli by the state's laws of federal government or relevant use Chemical Felter and solvent.

Adopt chemical fixatives also to need more labour to produce identical product in these devices that assembly is fixed together, so its production cost height.Mechanical fastener is owing to the cause of its structure and mode of operation, and it stashes is not seen it is very difficult.So, be used for mechanical gripper that assembly is fixed together outside in sight from baseball bat probably, thus, destroyed the outward appearance of baseball bat uniformity, and in swing process, may and controlled adverse influence have been arranged its aerodynamic characteristics.

So need a kind of like this baseball bat, its constituent components does not need with chemical fixatives or mechanical fastener described rod assembly to be clamped together.The inside of described rod preferably has the surface portion of such structure,, remains in the outside padded coaming of described rod under the situation of chemical fixatives or mechanical fastener not needing to use that is.

The purpose of this invention is to provide a kind of baseball bat with foam coverage, it is made of many assemblies, and these assemblies are fixed together under the situation that does not need chemical fixatives or mechanical fastener.

Another object of the present invention provides a kind of baseball bat with foam coverage, the configured and disposed acting in conjunction of its inside and outside assembly, and described these assemblies are fixed together, with the baseball bat that obtains wanting.

Another purpose of the present invention provides a kind of baseball bat with foam coverage, and it has, and a buffering that is fixed to the appropriate location under the situation that does not need chemical fixatives or mechanical fastener is held the surface and a buffering impacts the surface.

Another object of the present invention provides a kind of baseball bat with foam coverage, its described buffering hold the surface gentle impact to beat a rigidity transition piece is arranged between the surface.

Another purpose of the present invention provides a kind of baseball bat with foam coverage, and it has an inside core body that is formed by a plurality of keyways or protrusion, keeps in place described buffering is held partly ease up to impact to beat partly.

Another purpose of the present invention provides a kind of baseball bat with foam coverage, and it has an open-ended inner core body and a stopper, and described stopper is constructed and arranged to the openend of fixing described core body.

The invention provides a kind of baseball bat with foam coverage, it has the open-ended core of a rigidity, and has colored groove or protrusion pattern along the outer surface of described core body.Described structure is interrupted by a smooth conical transition zone, is fixed with a foam portion of the handle at an end of this transition region, and impacts part at the foam that its other end is fixed with a baseball bat.A stopper is installed to described core, to tighten its opening and to provide rigidity for described core.

For a more complete understanding of the present invention, can be with reference to the following description of in conjunction with the accompanying drawings example embodiment of the present invention being carried out, wherein:

Fig. 1 is a perspective view with the baseball bat of foam coverage of the present invention;

Fig. 2 is its side view;

Fig. 3 is its front view;

Fig. 4 is its rearview;

Fig. 5 is the exploded view of foam rods ball component of the present invention;

Fig. 6 A is the cross-sectional view along Fig. 2 center line 6A-6A intercepting; And

Fig. 6 B is the cross-sectional view along Fig. 2 center line 6B-6B intercepting.

Referring to Fig. 1-5, the baseball bat with foam coverage of the present invention is totally represented by mark mark 10.This baseball bat 10 is held part 16 and a buffering by a center core 12, a stopper 14 that is installed in center core 12 1 ends, buffering and is impacted part 18 and form.Assembly 12-18 is as described below to be fixed together.

Described center core 12 is preferably made by a kind of hard rigidity plastics.This core body 12 comprises a pair of

cylinder

20,22, and the diameter of cylinder 20 is less than the diameter of cylinder 22.Transition piece 24 has a taper section and a smooth outer surface, to provide transition between described

cylinder

20,22.

Core body 12 is open-ended, promptly has an opening 26 that supplies centre bore 28 or passage (being also shown in Fig. 6 B) to extend along described core body 12.The hollow structure of this center core 12 has alleviated weight, and has increased children and use this excellent 10 required pliabilities.This structure has also reduced injured chance in fact, and is convenient to by less children operation and controls described excellent 10.

Cylinder 20 provides a plurality of keyways 30 or protrusion along its outer surface, and cylinder 22 provides a plurality of keyways 32 or protrusion along its outer surface simultaneously.Described

protrusion

30,32 preferably along

cylinder

20,22 corresponding one be set parallel to each other.In addition, preferably protrusion 30 is parallel to protrusion 32 settings.Therefore transition piece 24 does not have protrusion, has blocked this protrusion pattern for purpose of description after this.

An end that faces toward the center core 12 of opening 26 extends to an end 34, and this end has the heel 36 of its diameter greater than cylinder 22 diameters.End 34 is outwards splayed one gradually totally by the diameter of the increase shown in the mark mark 35, arrives described heel 36.

The described part 16 of holding is configured to a padded coaming cylinder that has a passage 38 that passes its extension.The described part 16 of holding comprises a plurality of along the described groove 40 of holding part 16 outer surfaces, to help its clamping.

The described diameter of holding the passage of part 16 is slightly smaller than the diameter of cylinder 20.; shown in Fig. 5 and Fig. 6 B; when cylinder 20 is inserted described hand grip portion timesharing; the described pliability of holding the padded coaming of part 16 makes its expansion; allow this cylinder 20 with one closely frictional fit be located in the described passage 38; so that protrusion 30 clamps the inner surface of described part 16, be fixed to cylinder 20 thereby will hold part 16.Described protrusion 30 prevents to hold part 16 and rotates around cylinder 20.

Described buffering impacts part 18 passage 42 that passes its extension.The diameter of this passage is slightly smaller than the diameter of cylinder 32.Shown in Fig. 5,6B, the described pliability that impacts part 18 materials makes its expansion, allow cylinder 22 with one closely frictional fit be positioned to impact in the passage 42 of part 18, wherein said protrusion 32 clamps the described inner surface that impacts part, so that this part 18 is fixed on the cylinder 22.This protrusion 32 prevents to hold part 18 around cylinder 22 rotations.

Fig. 6 A, 6B represent the interaction with respect to corresponding one

protrusion

30,32 of holding part 16,18.Using during of the present invention excellent 10, when holding part 16 when clamped, protrusion 30 will prevent that this from holding part 16 and being moved or displacement with respect to cylinder 20.Similarly, when ball contacts described buffer portion 18, protrusion 32 will prevent that this buffer portion 18 is moved or displacement with respect to cylinder 22.

Stopper 14 is threaded 44, and it cooperates the respective threaded 46 of cylinder 20 near opening 26, shown in Fig. 6 B.Stopper 14 also comprises one totally by the part of mark mark 15 expressions, and the diameter of this part is greater than the diameter of described stopper 14 at screw thread 44 places.

The end 34 that has the cylinder 22 that increases diameter parts 36 further keeps the described part 18 that impacts, and prevents that its length direction along this cylinder 22 from moving, that is, described part 18 is maintained between described rigidity transition portion 24 and the described heel 36.

Described holding between the end 15 that part 16 is maintained at described transition portion 24 and stopper 14 held part 16 and moved along its length with respect to cylinder 20 to prevent this.

This set acting in conjunction of described

protrusion

30,32, stopper 14 and end 34 divides 16 and impact part 18 along rotatablely moving of

corresponding cylinder

20,22 and moving along its length to prevent hand grip portion.

Described

buffer portion

16,18 can be made by dissimilar foams and other padded coaming.

Should be appreciated that the embodiments described herein only is used to explain, and those skilled in the art can carry out many changes and modification to it under the prerequisite that does not break away from aim of the present invention and scope.These all modifications and change are all planned to be included in as in the additional scope of the present invention that book limited.

Claims

1. baseball bat comprises:

A center core, this core body has:

One first rigid cylindrical body, a plurality of first protrusions that it has one first end and extends along the described first rigid cylindrical external surface,

One second rigid cylindrical body, it has a plurality of second protrusions that extend along this second rigid cylindrical external surface,

Second end of the described second rigid cylindrical body facing to described first end, this second end extends to a diameter greater than the described second rigid cylindrical body diameter,

A transition piece with smooth outer surface, this transition piece are arranged between the described first rigid cylindrical body and the second rigid cylindrical body;

One first buffering cylinder, this cylinder has one and passes the first passage that the described first buffering cylinder extends, described first passage is used to put the described first rigid cylindrical body and described a plurality of first protrusion, to cooperate cylindrical first inner surface of described first buffering;

One second buffering cylinder, this cylinder has one and passes the second channel that the described second buffering cylinder extends, described second channel is used to put the described second rigid cylindrical body and described a plurality of second protrusion, to cooperate cylindrical second inner surface of described second buffering;

The described first and second buffering cylinders by described transition piece separately; And

Stopper with threaded portion, described first end engagement of this threaded portion and the described first rigid cylindrical body.

2. baseball bat comprises:

A center core, this core body has:

One first end,

One second end,

Insert a transition region between described first end and second end,

First counterpart that extends along the outer surface of the center core between described first end and the transition region,

Second counterpart that extends along the outer surface of the center core between described second end and the transition region;

First bolster with a first passage, this passage are laid described first counterpart, to cooperate described first bolster;

Second bolster with a second channel, this passage are laid described second counterpart, to cooperate described second bolster;

From one first keeper that first end of described center core extends out, be used between described first keeper and described transition region, keeping described first bolster; And

From one second keeper that second end of described center core extends out, be used between described second keeper and described transition region, keeping described second bolster.

3. baseball bat comprises:

A tube-like piece with one first end and one and first end second opposed end;

Remain on the device of holding on the described tube-like piece;

Remain on the beating unit on the described tube-like piece;

Be arranged on the holding device of described tube-like piece outside with a kind of style, be used for holding device and beating unit remains on described tube-like piece described;

From the transition apparatus that described tube-like piece extends, this transition apparatus has one will describedly hold the transition face that device and beating unit separate and interrupt the above-mentioned style of described holding device.

4. one kind according to the described baseball bat of claim 3, it is characterized in that, further comprises:

Be installed to first stop device of described tube-like piece first end, this first stop device and described transition apparatus acting in conjunction, thus between described first stop device and described transition apparatus, keep the described device of holding.

5. one kind according to the described baseball bat of claim 4, it is characterized in that, further comprises:

Jockey on described tube-like piece and described first stop device is used for releasably described first stop device being cooperated with first end of described tube-like piece.

6. one kind according to the described baseball bat of claim 5, it is characterized in that described jockey comprises:

First screw thread on described first stop device; And

Second screw thread on described first end of described tube-like piece, second screw thread are used for and the described first screw thread acting in conjunction.

7. one kind according to the described baseball bat of claim 3, it is characterized in that, further comprises:

Be installed to second stop device of described tube-like piece second end, this second stop device and described transition apparatus acting in conjunction, thus between described second stop device and described transition apparatus, keep described beating unit.

8. one kind according to the described baseball bat of claim 7, it is characterized in that the second end integral body of described second stop device and described tube-like piece forms, and comprises:

Diameter extends to a tapering part greater than described tube-like piece diameter.

9. one kind according to the described baseball bat of claim 3, it is characterized in that described transitional surface is smooth substantially.

10. one kind according to the described baseball bat of claim 3, it is characterized in that the described device of holding comprises:

One first cylinder that has first passage and made by padded coaming, described first passage pass described first cylinder and extend, and this first passage is laid first end of described tube-like piece.

11. one kind according to the described baseball bat of claim 3, it is characterized in that described beating unit comprises:

One second cylinder that has second channel and made by padded coaming, described second channel pass described second cylinder and extend, and this second channel is laid second end of described tube-like piece.

12. one kind according to the described baseball bat of claim 3, it is characterized in that described holding device comprises:

The a plurality of protrusions that extend from the outer surface of described tube-like piece.

13. one kind according to the described baseball bat of claim 12, it is characterized in that described a plurality of protrusions contact with beating unit with the described device of holding, and are used to hold them in described tube-like piece.

14. one kind according to the described baseball bat of claim 11, it is characterized in that described a plurality of protrusions are arranged in parallel.

15. one kind according to the described baseball bat of claim 3, it is characterized in that the diameter of first end of described tube-like piece is less than the diameter of described tube-like piece second end.

16. one kind according to the described baseball bat of claim 3, it is characterized in that described transition apparatus and described tube-like piece integral body form.

17. one kind according to the described baseball bat of claim 16, it is characterized in that described transition portion tilts to one than minor diameter towards first end of described tube-like piece is tapered.

18. one kind according to the described baseball bat of claim 3, it is characterized in that described tube-like piece further comprises:

Pass the open-ended central passage that described tube-like piece extends.

19. one kind according to the described baseball bat of claim 3, it is characterized in that the described device of holding further comprises:

Along described a plurality of grooves of holding device.

20. one kind according to the described baseball bat of claim 3, it is characterized in that, describedly holds device and described beating unit comprises padded coaming.