CN101166561A - Tip plate for a billiards cue - Google Patents
Tip plate for a billiards cue Download PDFInfo
- Publication number
- CN101166561A CN101166561A CNA200680014080XA CN200680014080A CN101166561A CN 101166561 A CN101166561 A CN 101166561A CN A200680014080X A CNA200680014080X A CN A200680014080XA CN 200680014080 A CN200680014080 A CN 200680014080A CN 101166561 A CN101166561 A CN 101166561A
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- China
- Prior art keywords
- cue
- end plate
- axle
- attached
- end plates
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63D—BOWLING GAMES, e.g. SKITTLES, BOCCE OR BOWLS; INSTALLATIONS THEREFOR; BAGATELLE OR SIMILAR GAMES; BILLIARDS
- A63D15/00—Billiards, e.g. carom billiards or pocket billiards; Billiard tables
- A63D15/08—Cues
- A63D15/12—Tip fastenings
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- Golf Clubs (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A cue stick (100) utilizes a tip plate (120) directly attached to the tip (110) and shaft of a cue stick (100). The tip plate may be constructed of a lightweight, high stiffness material, such as a carbon fiber composite or resin material. A tip plate (120) may increase the durability and strength of adhesion of the tip (110) to the remainder of the cue stick (100), while decreasing the mass of the tip (110) end relative to other attachment methods utilized in the prior art.
Description
Technical field
The application requires in whole interests of the 60/668th, No. 679 application of the U.S. of submission on April 6th, 2005, and its instruction is merged in this paper by quoting as proof.
Background technology
Cue has used multiple material in its structure.Especially, the top of cue promptly, is used to clash into the part of billiard ball in game of billiards, compares with reel structure (for example, wood) commonly used, and this top is typically and is made of various dissimilar materials.Therefore, prior art been has has been researched and developed the various method on for attaching the tip to cue surplus.
In the prior art, the top of cue is usually by using the connector of being made by wood or plastics to be attached on the axle.Particularly, the axle of cue has the hole slot of filling in connector, and the top is attached on its far-end.The top by adhesive by contact with the end of axle and the sidewall of connector and hole slot between contact and engage.Repetition shot by the top in the use of cue can weaken the bonding of top, and causes the top finally from surplus disengaging of cue.When the top is that this problem is particularly outstanding when directly bonding on the surface of synthetic axle, reason is the Incoercibility of synthetic material with respect to tip material.If do not use connector, under the situation of the far-end that the top is attached to axle, unbalanced load force can cause the wearing and tearing of especially severe on the top.The top of flat flax phenoplasts is clashed in kicking off under the effect of the necessary power of mother bulb and is shown substantial compressibility.
In addition, connector can increase near the weight in end of cue, and obviously outstanding phenomenon is exactly well-known cue ball deflection phenomenon.When departing from its mass centre by the bump mother bulb, the player transmits spinning movement to mother bulb the time, batting.As what discussed in the 6th, 162, No. 128 patents of the U.S., its full content is merged in this paper by quoting as proof, and the weight that increases on the end of axle has increased the weight of the deflection of being clashed into mother bulb in the off-centered billiard ball knockout process.
Summary of the invention
There is a kind of demand for the method that the more efficiently weight that the top is attached to surplus of cue end of going up and reducing cue can be provided.Embodiment of the present invention put forth effort to solve the demand just.
In embodiments of the invention, cue is included in the axle that has hole slot on its far-end; Attached to the high rigidity on the far-end of axle, the end plate of light weight; Be used for the impact bead top with being attached on the end plate.End plate may be made of the material of the light weight with high rigidity, for example, and the matrix of synthetic material or the carbon fibre in the adhesive, Kevlar , beryllium, titanium, boron or magnesium.The weight of end plate is less than about 0.4 gram and show sufficient zero deflection under the effect less than about 1100 pounds power.Axle may comprise that axle directly is attached to the synthetic material on the end plate, and perhaps axle may be made of wood.The top can be to be made of phenoplasts.End plate may be shaped as discoid and have stretch flange formability.
Other embodiments of the present invention focus on the cross section of the cue that has utilized end plate and utilize the cue with end plate to bat with the method for the deflection that reduces ball.
Description of drawings
Above-mentioned and other purpose of the present invention, feature and advantage will become more obvious by the more detailed description of following the preferred embodiments of the invention, as illustrational, reference number identical in the accompanying drawing of correspondence refers to identical parts at different views.Accompanying drawing is in strict accordance with scale, illustrates on the principle of the present invention but emphasis is placed on.
Accompanying drawing 1A is the lateral plan according to the sectional view of the cue of embodiment of the present invention.
Accompanying drawing 1B is corresponding to embodiment of the present invention, the enlarged side view of the sectional view of the end of the cue in the accompanying drawing 1.
Accompanying drawing 2 is corresponding to embodiment of the present invention, has axle sleeve with terminal protrusion and has the lateral plan of sectional view of cue of the end plate of extension.
Accompanying drawing 3A is corresponding to embodiment of the present invention, is furnished with the lateral plan of sectional view of the cue of the end plate with stretch flange formability.
Accompanying drawing 3B is corresponding to embodiment of the present invention, the enlarged side view of the sectional view of the cue among the accompanying drawing 3A.
Accompanying drawing 3C is the lateral plan that is attached to the end plate on the cross section on the top that uses in accompanying drawing 3A and accompanying drawing 3B according to embodiment of the present invention.
Accompanying drawing 4 is according to the lateral plan of the sectional view of the end plate among embodiment of the present invention and the accompanying drawing 3A-3C that selectable axle is used in combination.
Accompanying drawing 5 is the stereograms according to the manipulator that is used for the testboard club of embodiment of the present invention.
The specific embodiment
It below is description to the preferred embodiments of the invention.
What accompanying drawing 1A and accompanying drawing 1B showed is and the corresponding to cue of embodiment of the present invention.Cue 100 comprises the top 110 that is used for impact bead.Top 110 is attached directly on the end plate 120.End plate 120 is attached on the axle 150 of cue 100.Be typically, end plate has with the cross section of similar shape in the cross section of cue and diameter and is attached on its adjacent part, though embodiment of the present invention do not have this requirement.
In specific embodiment, axle 150 comprises boring part 140 (or hole slot) and the axle sleeve 130 with two kinds of different boring radius.Yet other embodiments of the present invention may be utilized the axle that does not comprise axle sleeve, perhaps utilize the axle of difform boring.In more specific embodiment of the present invention, the length of boring is at least 3 inches.
Because the top is fixed on the end plate and end plate is attached on the axle, the adhesive force on the top on the cue is comparatively firm and durable.The method that in the prior art top is attached on the axle of cue mainly realizes on the connector in the hole slot that is tucked on the cue by the top is attached to.The head portion that can cause unbalanced power to be distributed in being attached on the axle with the result on ball impact top and sticking and to top between the part of connector.This result has abrasiveness and destructive, and causes weakening the adhesive force that the top is attached to the surplus portion of cue, and finally causes the disengaging on top.In contrast be that embodiment of the present invention have kept more firm and durable adhesive force, reason to be that the power of each ball impact is distributed on the extension contact surface between top and the end plate comparatively fifty-fifty.And, when utilizing synthetic axle construction, owing to compare more durable with the top to wooden axle by the integral body of sticking end plate with to synthetic axle and by sticking, so the use of end plate has more advantage.Yet, note that wooden cue also may benefit from the use of end plate.
Further, it is a kind of for attaching the tip to the method on the cue that end plate provides, and compares with traditional cue attachment plug, and this method can make its front end lighter.With the use of connector forms contrast be, typical tenon, or other for attaching the tip to the existing apparatus on the far-end of cue, the weight that end plate is lighter has reduced the end weight of cue, thereby has reduced the influence of cue ball deflection.Yet the characteristic of end plate allows the hole slot on the axle to keep its integrality in support top end.Shown in embodiment herein, applicant's test shows, with respect to wooden connector, the end plate of weight that is used to alleviate the end of cue more is tending towards reducing the cue ball deflection of the batting at the center of deviating from, and obtains mother bulb track more accurately.In addition, the reinforcement structure that end plate provided on the axle with hole slot that its far-end is installed can cause the increase of the striking speed of cue.
The material that the end plate of embodiment of the present invention utilization comprises has the characteristic of light weight and high rigidity (that is, low compressibility).In one embodiment, the material of comparing end plate with the material that constitutes the top has lower compressibility.Because when being utilized in batting, the end plate typical earth surface reveals zero deflection, so the hardness of end plate can limit arbitrarily.In specific embodiment, under the bump less than about 1200 ft lbfs, end plate shows sufficient zero deflection.In other embodiments of the present invention, under the bump less than about 800 ft lbfs (typical maximum load is between about 800 to 1000 ft lbfs), end plate shows sufficient zero deflection.In embodiments of the invention, be typically, the weight of end plate restrains less than about 0.6 or about 0.5.More preferably, the weight of end plate is less than about 0.4 gram or 0.3 gram.
Although it can keep integrality after the repeated loading that batting produced that repeats, end plate preferably shows durability.For instance, maple shows better hardness and lighter weight.Yet the lines on the wood can cause maple to have relatively poor fatigue properties; Wooden can the fracture after applying a large amount of loads.
The preferred material of end plate comprises metal, for example, and beryllium, magnesium, titanium or comprise the alloy of above-mentioned one or more materials.Other materials that are used to constitute end plate comprise Kevlar , boron or glass fibre.More preferably, end plate constitutes (for example, the carbon nano-structured mixture in the resinous substrates, or the carbon fibre in the adhesive) by carbon-based material.Owing to have the specific extra high hardness weight ratio that structure produced, so carbon has special advantage.Even more preferably, end plate is made of the carbon fibre in the synthetic material matrix.In specific embodiment, end plate is made of the heap stratification compound of carbon fibre, and each of fiber layer all is arranged on the specific orientation.Layer is stacked between consequently all layers does not have preferred orientation, thereby makes the hardness maximization of end plate; Layer is maintained in the adhesive of resin or other types.For instance, the thickness of each of carbon fibre layer is approximately 0.005 inch; Consequently obtain thickness and be 0.070 foot and have the end plate of about 14 layers of carbon fibre.
Be typically, it is thin as much as possible to reduce the additional weight on cue top that the thickness of end plate keeps, and its thickness is enough to keep the top and is attached to and adheres to intensity of force and durability on surplus of cue simultaneously.Therefore, comprise that at axle thickness also is the function that bore diameter is arranged under the situation of boring part.When carbon fibre was used to prepare end plate in the matrix, thickness was typically about between 0.040 and 0.140 inch.More specifically be that bore diameter is that about 0.250 inch synthetic material cue may utilize the carbon fibre plate of thickness between about 0.050 inch and about 0.060 inch.Bore diameter is that about 0.290 inch synthetic material cue may utilize the carbon fibre plate of thickness between about 0.060 inch and about 0.080 inch.Bore diameter is that about 0.400 inch synthetic material cue may utilize the carbon fibre plate of thickness between about 0.070 inch and about 0.100 inch.The scope of the representative diameter of the end plate that uses in the foregoing description is between about 0.45 inch to about 0.55 inch.Because the density of the carbon fibre in the matrix is about 25 gram/cubic inches (that is, 0.50 inch thick weight of disc-shaped end plates is approximately 0.26 gram), so the weight of end plate described above also may limit the particular of end plate weight.
The top of the cue that uses in embodiment of the present invention may comprise kind scope of the prior art.Preferably, the top comprises phenolic material (for example, flax/phenoplasts, or the top of linen reinforced phenoplasts).Other tip material comprises leather and leather synthetic material, and the leather synthetic material is to have the mixture with leather characteristic that is distributed in the resin binder.
By well-known any technology in this area, end plate directly is attached on the top of cue.Preferably, top and end plate adhere to by this way, so that the strength of batting distributes along the most of contact surface between top and the end plate.For example, in a preferred embodiment of the invention, epoxy adhesive or other adhesive (for example, 3M company provide DP420 epoxy adhesive) are used to directly adhere to top and end plate.
By the known mode of one of ordinary skilled in the art, end plate also can be attached on the axle of cue, for example, and epoxy adhesive or other adhesive (for example, 3M company provide DP420 epoxy adhesive).Shown in accompanying drawing 1B, described adhering to may be passed through surface acquisition directly that end plate is sticking and that arrive axle 155.End plate also may be attached on other the surface, for example, and on axle sleeve 130 parts, shown in accompanying drawing 1B.In the embodiment that the present invention can replace, end plate 230 may directly be attached on the axle 250, as shown in Figure 2.Axle sleeve 230 may be shaped as the outstanding shape 235 of end of the end that covers axle 250.Therefore, end plate 220 is realized attached to being attached on the axle sleeve 230 by end plate 220 on the axle 250.Such embodiment may have advantage, and reason is that end plate may be by sticking and to one type the surface that adhesive extremely is suitable for.
End plate is not to be necessary for discoid object.For example, end plate can by moulding with increase the surface area that contacts between end plate and sticking and the surface strengthen sticking and, limit simultaneously on the end plate because the additional mass that described structure caused.Although according to specific embodiment of the present invention, specific tip plate configurations has obtained describing, and people can understand in the embodiment that this structure also is applicable to described in the invention other.
In embodiments of the invention, end plate is thought sticking and the surface area of extension is provided by moulding.As shown in Figure 2, end plate 220 comprises the tiny extension 225 on the opposite side that is positioned at top 210, to allow to be used for the sticking and extra surface area on outstanding 235 endways with axle sleeve 230.The usually very little additional mass with the end plate that will be used to produce described extension in described extension reduces to minimum.For instance, the thickness that the carbon fiber tip plate 220 in the accompanying drawing 2 may have is approximately 0.060 inch, and end plate 220 contacts with the upper flange surface 236 of axle sleeve 230, and the thickness on the extension 225 is about 0.080 inch.
Accompanying drawing 3A-3C provides and the other types of the corresponding to end plate of the present invention and the explanation of cue.As described in the accompanying drawing 3C, end plate 320 directly is attached on the cross section on top 310 of cue.End plate 320 has the flange 325 of extension.The thickness of the end plate 320 of stretch flange formability 325 inboards may be inequality with the thickness as outside of stretch flange formability 325.Shown in accompanying drawing 3C, the thickness of the end plate 320 of stretch flange formability inboard is greater than the thickness as outside of stretch flange formability 325.In certain embodiments, being configured to the thickness as outside that thickness as the stretch flange formability inboard of the carbon fiber tip plate of accompanying drawing 3C is approximately 0.070 inch and stretch flange formability is 0.060 inch.
Shown in accompanying drawing 3A and 3B, end plate 320 is used to top 310 is installed on the axle 350 of cue 300.The stretch flange formability 325 of end plate 320 extends in the boring part 340 of axle 350, to allow the more contact surface between axle 350 and the end plate 320 long-pending.The surface area that increases provides the better adhesive force of end plate for axle.Further, compare with the extension described in the accompanying drawing 2, stretch flange formability has utilized quality still less, allows people further to utilize the advantage of the top quality still less of cue.
The shape of the end plate of describing among the accompanying drawing 3A-3C also can be used in embodiment of the present invention of accompanying drawing 4.Axle sleeve 330 is not used in the cross section of the cue 400 shown in the accompanying drawing 4, shown in accompanying drawing 3A and 3B.In fact, synthetic 450 directly is attached on the end plate 420.Especially, the carbon fibre in the synthetic axle 450 is being arranged on the y direction of the lower section of axle 453 and near the axial wall of the dashdotted side of the center line 451 of axle.Shaft section with respect to the outside of the close axial wall of chain-dotted line 452 comprises fiber, itself and circumferential alignment around the center line of axle.The end of axle is configured, so that the flange extension of end plate 420 divides 425 to rely on the shaft section 451 and need not flange extension and divide any overhanging of 425.Described configuration, along the inwall of axle 454 reduce part gradually, for the combination of end plate and axle provides extra intensity.
Other embodiments of the present invention are utilized the feature of end plate described herein on the cross section of various cue and cue.For instance, the cue in two-layer up and down comprises shaft section and end section, and it is separable connection, and shaft section is attached on the end plate of far-end, and covers the hole slot on the shaft section.The top is directly connected on the end plate.In related embodiment of the present invention, end plate can be the part of three layers of energy or more multi-layered cue, and the end plate that uses in the lump with the cross section comprises the bump top of cue.This paper has also described the relevant embodiment in conjunction with other features of the present invention.
Other embodiments of the present invention directly relate to the method that being used to when departing from the batting center reduces ball deflector.The step that described method comprises has, and cue is provided, and this cue has the end plate on the top that directly is attached to cue.Coming impact bead with club is by (for example, according to the straight line of participant's shot promote cue on) the direction and realize, its center line is the mass centre by ball not in line-like.If cue does not comprise end plate, this method promotes ball in orbit with minimum ball deflector.Relevant embodiment may use the cross section of any cue described or cue to reduce the deflection of ball herein.Described method is particularly useful for can not adapting in the game of billiards entrant of the ball deflector that increases the weight of when the bump mother bulb.
Though the present invention has carried out specific displaying and description by above preferred enforcement side, the variation that the one of ordinary skilled in the art can both understand on various forms and the details can not break away from the scope of the present invention by following claim limited.
Embodiment
The embodiment that below provides is used to illustrate certain embodiments of the present invention.Embodiment is not the scope of application that limits the particular that is used.
A kind of test card that has been done is understood the improvement to cue ball deflection, and this is by using three kinds of commercial cues with the synthetic end plate correct of carbon fibre that can obtain to show.The cue A of unmodified (Mizerak pool cue, pattern number PO-437) is a kind of compound table club, and it has utilized plastic plug that the top is attached on the axle.The cue B of unmodified (Hamson pool cue) is a kind of compound table club, and it has utilized wood plug that the top is attached on the axle.The cue C of unmodified (Predator pool cue, pattern number 314) is a kind of compound table club, and it has utilized thermoplastic end cap that the top is attached on the axle.
Manipulator comes to clash into mother bulb by each pool cue with specific power in rectilinear direction.Robot as shown in Figure 5, it has numerous discontinuous formula Biodge devices and the spring assembly shot with the control club.In the described test of present embodiment, specific Biodge device and spring assembly are used to whole shots, and the result is that continuous power is applied on the mother bulb that is clashed into.Mother bulb is clashed on parallel line and from passing the line deflection 9mm of mass centre of mother bulb.The zero deflection position is noted as the place of 50 inches of the positions of being clashed into apart from mother bulb on the collinear direction of pool cue bump.Move behind bump 50 inches actual position of ball also is marked.Difference between zero deflection position and the actual position is the deflection of mother bulb.For each pool cue, four hit is done for the action of series, and measures corresponding deflection.Deflection mean value at series of strokes is recorded.
For each pool cue, two average deflection calculation are performed.First deflection calculation is based on the series of strokes of having used the pool cue of purchasing.Second deflection calculation is to revise the back based on the series of strokes of utilizing pool cue in each pool cue by replace the connector that is used for keeping the top or thermoplastic end cap with the synthetic end plate of carbon fibre.The result of test is illustrated in the table 1.
| Cue | Utilize the average deflection of connector or thermoplastic end cap (mm) | Utilize carbon fibre to synthesize the average deflection of end plate (mm) | The % of deflection changes |
| A | 42.6 | 35.3 | -17.2 |
| B | 45.9 | 42.6 | -7.10 |
| C | 34.7 | 34.1 | -1.70 |
Table 1: the result of cue ball deflection test
Shown in the test data sheet in the table 1, the use of the end plate in each cue has reduced the deflection of mother bulb with respect to the cue of original unmodified.
Claims (20)
1. cue, this cue comprises:
The axle that on its far-end, has hole slot;
Be attached to the axle far-end on high rigidity, the end plate of light weight; And
Be attached to and be used to the top of batting on the end plate.
2. according to the cue of claim 1, the weight of its end plates is less than about 0.6 gram and show sufficient zero deflection under the effect less than about 1200 ft lbfs.
3. according to the cue of claim 2, its end plates shows sufficient zero deflection under the effect less than about 800 ft lbfs.
4. according to the cue of claim 2, the weight of its end plates is less than about 0.3 gram.
5. according to the cue of claim 1, its end plates is made of carbon fibre.
6. according to the cue of claim 1, its end plates is by Kevlar , and beryllium, titanium, boron and magnesium be at least one formation wherein.
7. according to the cue of claim 1, its axis is made up of synthetic material, and axle directly is attached on the end plate.
8. according to the cue of claim 1, its axis is wooden.
9. according to the cue of claim 1, its axis has the boring of extending from the end of axle.
10. according to the cue of claim 1, wherein the top is made up of phenoplasts.
11. according to the cue of claim 1, wherein the top is made up of the leather synthetic material.
12. according to the cue of claim 1, its end plates is configured to disc.
13. according to the cue of claim 1, its end plates disposes the flange of extension.
14. the cross section of a cue that is used to bat comprises
The axle that on its far-end, has hole slot;
Be attached to the axle far-end on high rigidity, the end plate of light weight; And
Be attached to and be used to the top of batting on the end plate.
15. according to the cue of claim 14, the weight of its end plates is less than about 0.6 gram and show sufficient zero deflection under the effect less than about 1100 ft lbfs.
16. according to the cue of claim 15, its end plates is made of carbon fibre.
17. according to the cue of claim 14, its axis is made up of synthetic material, axle directly is attached on the end plate.
18. according to the cue of claim 14, its end plates is configured to disc.
19. according to the cue of claim 14, its end plates disposes stretch flange formability.
20. a method that is used to reduce the deflection of ball under the situation that departs from the batting center, this method comprises:
Provide be included in have on its far-end hole slot the axle cue and directly be attached to cue the tip and the axle far-end on end plate; And
By coming impact bead with club on the direction of the line-like of the mass centre by ball not, thereby compare with the cue that does not have end plate, ball moves on the track with less ball deflector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66867905P | 2005-04-06 | 2005-04-06 | |
| US60/668,679 | 2005-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101166561A true CN101166561A (en) | 2008-04-23 |
Family
ID=36843260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200680014080XA Pending CN101166561A (en) | 2005-04-06 | 2006-03-28 | Tip plate for a billiards cue |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20090270192A1 (en) |
| CN (1) | CN101166561A (en) |
| TW (1) | TW200709830A (en) |
| WO (1) | WO2006107707A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451833A (en) * | 2014-03-24 | 2016-03-30 | 克劳森手工球杆股份有限公司 | Control device and ac electric motor system using same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8876618B1 (en) | 2013-10-16 | 2014-11-04 | Lienard Brown | Cue stick for billiards sports |
| JP2015211998A (en) * | 2014-05-07 | 2015-11-26 | セイコーエプソン株式会社 | robot |
| WO2018013808A1 (en) * | 2016-07-14 | 2018-01-18 | ESB Labs, Inc. | Apparatuses and methods for detecting deviation of a ball from a path |
| IT201600105555A1 (en) * | 2016-11-30 | 2018-05-30 | Becue S R L S | Deflection reduction system for billiard cue tip |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1046371A (en) * | 1912-03-28 | 1912-12-03 | Peter Balzano | Cue-tip. |
| US3595576A (en) * | 1969-01-13 | 1971-07-27 | Adolph T Gunia | Replaceable cue tip mounting |
| US5725437A (en) * | 1994-09-29 | 1998-03-10 | Lorraine C. McCarty | Billiard/pool cue |
| US6110051A (en) * | 1997-11-25 | 2000-08-29 | Lorraine C. Mccarty Trust | Billiard cue |
| US6183371B1 (en) * | 1996-06-25 | 2001-02-06 | Pamela Gene Wethered-McClung | Replaceable cue tip system |
| US5938536A (en) * | 1997-06-03 | 1999-08-17 | Minke; Ronald C. | Integral low maintenance cue tip |
| US7097570B2 (en) * | 2002-01-07 | 2006-08-29 | Michael Gulyassy | Pool cue |
| US7044861B1 (en) * | 2003-10-08 | 2006-05-16 | Sportcraft, Ltd. | Reinforced cue stick |
| US20070281795A1 (en) * | 2006-06-05 | 2007-12-06 | Jung-Shih Chang | Slip-on ferrule assembly for a billiard cue |
| US7422525B2 (en) * | 2006-12-11 | 2008-09-09 | Jung-Shih Chang | Ferrule for pool/billiard cue |
| US20080318700A1 (en) * | 2007-06-21 | 2008-12-25 | Jung-Shih Chang | Billard cue with a cushion ferrule |
-
2006
- 2006-03-28 US US11/887,688 patent/US20090270192A1/en not_active Abandoned
- 2006-03-28 CN CNA200680014080XA patent/CN101166561A/en active Pending
- 2006-03-28 WO PCT/US2006/011676 patent/WO2006107707A1/en active Application Filing
- 2006-03-30 TW TW095111158A patent/TW200709830A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105451833A (en) * | 2014-03-24 | 2016-03-30 | 克劳森手工球杆股份有限公司 | Control device and ac electric motor system using same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090270192A1 (en) | 2009-10-29 |
| TW200709830A (en) | 2007-03-16 |
| WO2006107707A1 (en) | 2006-10-12 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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