WO2005065788A1 - 投球機 - Google Patents
投球機 Download PDFInfo
- Publication number
- WO2005065788A1 WO2005065788A1 PCT/JP2004/006636 JP2004006636W WO2005065788A1 WO 2005065788 A1 WO2005065788 A1 WO 2005065788A1 JP 2004006636 W JP2004006636 W JP 2004006636W WO 2005065788 A1 WO2005065788 A1 WO 2005065788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support
- rotating shafts
- rotating
- support pipe
- supported
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/406—Stationarily-arranged devices for projecting balls or other bodies with rotating discs, wheels or pulleys gripping and propelling the balls or bodies by friction
Definitions
- the present invention relates to a pitching machine used for baseball and softball hitting practice, ball catching practice, and the like, in which a ball is accelerated by sandwiching a ball on both outer circumferential surfaces of both rotating wheels that rotate in opposite directions. More particularly, the present invention relates to a structure of a support for supporting the two rotating wheels.
- the pitching machine comprises a support which can be installed on the ground, and a pair of rotating shafts which are supported by the support so as to be rotatable around respective axes parallel to each other.
- a pair of rotating wheels fixed to the rotating shafts on the same axis as the rotating shafts and arranged in parallel in the radial direction of the rotating shafts, and the two rotating wheels supported by the support.
- the motor includes a motor that can be driven to rotate, and an interlocking unit that interlocks and connects the two rotating wheels to the motor.
- the support is a support body which is a dolly that can be installed on the ground, and a box-shaped sheet metal supported on the upper surface of the support body to support each of the rotating shafts, A supporting box for accommodating the interlocking means.
- the electric motor is driven. Then, in conjunction with the driving of the electric motor, the two rotating wheels rotate in opposite directions via the interlocking means and the respective rotating shafts. Then, a sphere is supplied between both outer peripheral surfaces of these two rotating wheels. Then, the ball is accelerated by being sandwiched between these outer peripheral surfaces, and is thrown outward.
- Patent Document 1 JP 2001-218883 A
- the support box in the above-described conventional technique is made of sheet metal, and the forming operation is complicated.
- the interlocking means is accommodated in an internal space of the support box, and the internal space is narrow. For this reason, each of the rotations at the time of assembling the pitching machine is performed.
- the work of assembling the interlocking means to a shaft or an electric motor tends to be complicated. Therefore, the molding operation of the above-mentioned pitching machine is complicated as a whole.
- the main focus has been on keeping the supporting box body lightweight.
- the rigidity of the support box may be insufficient, and the following inconvenience occurs. That is, in the pitching operation of the pitching machine, when a sphere is sandwiched between both outer peripheral surfaces of the two rotating wheels, a large reaction force is applied from the sphere to the respective rotating shafts via the respective rotating wheels. Then, there is a possibility that the above-mentioned support box body supporting each of the rotating shafts may be bent by the above-mentioned reaction force. When such a radius occurs, the accuracy of the pitching direction decreases.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to easily form a pitching machine.
- Another object of the present invention is to improve the accuracy of a pitching direction by a pitching machine.
- the present invention provides a support that can be installed on a ground, a pair of rotating shafts that are supported by the support so as to be rotatable around respective axes parallel to each other, A pair of rotating wheels fixed to the respective rotating shafts on the same axis as the respective rotating shafts; an electric motor supported by the support to enable the two rotating wheels to be driven to rotate; Interlocking means for interlocking and connecting the wheels, wherein the two rotating wheels rotate in opposite directions via the interlocking means and the respective rotating shafts in conjunction with the driving of the electric motor, and between the outer peripheral surfaces of the two rotating wheels. In a pitching machine in which the supplied ball is sandwiched between these outer peripheral surfaces, accelerated, and thrown outward.
- the above-mentioned support is supported by the support main body, and is supported by the support main body, extends linearly and penetrates each of the above-mentioned rotation axes in a direction orthogonal to the longitudinal direction.
- the electric motor may be supported by the support pipe.
- the interlocking means may be arranged outside the support pipe.
- each of the longitudinal portions of the support pipe may be a rectangle having the same shape and the same size.
- the support main body can be installed on a ground, a column projecting upward from the frame, and can be rotated around an axis with respect to the column.
- a pivot shaft for pivotally supporting the support pipe so that the support pipe and the axis of the pivot shaft are orthogonal to each other three-dimensionally.
- the present invention provides a support that can be installed on a ground, a pair of rotating shafts that are supported by the support so as to be rotatable around respective axes parallel to each other, A pair of rotating wheels fixed to the respective rotating shafts on the same axis as the respective rotating shafts; an electric motor supported by the support to enable the two rotating wheels to be driven to rotate; Interlocking means for interlocking and connecting the wheels, wherein the two rotating wheels rotate in opposite directions via the interlocking means and the respective rotating shafts in conjunction with the driving of the electric motor, and between the outer peripheral surfaces of the two rotating wheels. In a pitching machine in which the supplied ball is sandwiched between these outer peripheral surfaces, accelerated, and thrown outward.
- the above-mentioned support is supported by the support main body, and is supported by the support main body, extends linearly and penetrates each of the above-mentioned rotation axes in a direction orthogonal to the longitudinal direction.
- a support pipe that supports each of the rotating shafts in a state where the rotating shafts are in a state where the rotating shafts are rotated.
- the main part of the support which supports each rotating wheel via each of the rotating shafts, is composed of a support pipe having a simple structure. And since such a support pipe can be easily formed, the pitching machine can be easily formed.
- each of the rotating shafts passes through the support pipe and is supported by the support pipe. Therefore, each of the rotating shafts can be more directly supported by the support pipe. The That is, when the above-mentioned rotating shafts are supported by the support pipe, separate large-sized components such as brackets are not required. For this reason, the configuration of the above-mentioned pitching machine is simplified, and the molding can be more easily performed.
- the support pipe has a structure with high strength and rigidity, and as described above, each rotating shaft is more directly supported by the support pipe. Therefore, each of the rotating shafts is supported by the support pipe with a large strength. Therefore, in the pitching operation of the pitching machine, even when a large reaction force is applied to each of the rotating shafts via the respective rotating wheels from the balls sandwiched between the outer peripheral surfaces of the both rotating wheels, the respective rotating shafts are supported. The bending of the supporting pipe is prevented. Therefore, the accuracy of the pitching direction by the pitching machine is improved.
- each of the rotating shafts penetrates the support pipe. For this reason, at least a part of each of the rotating shafts is covered by the support pipe from the outside, so that each of the rotating shafts is prevented from being exposed to the outside. Therefore, the respective rotating shafts are not easily visible in appearance. For this reason, the appearance of the pitching machine is improved and safety is also beneficial.
- the electric motor may be supported by the support pipe.
- each rotating shaft passes through the support pipe and is supported by the support pipe. For this reason, each of these rotating shafts and the support pipe has a compact structure. Therefore, since the above-mentioned assembly also has a compact structure, it is easier to assemble this assembly to the support body. As a result, molding of the pitching machine can be further facilitated.
- the interlocking means may be arranged outside the support pipe.
- each of the longitudinal portions of the support pipe may be a rectangle having the same shape and the same size.
- the support main body can be installed on a ground, a column projecting upward from the frame, and a pivot about the axis with respect to the column.
- a pivot shaft for pivotally supporting the support pipe so that the support pipe and the axis of the pivot shaft are orthogonal to each other three-dimensionally.
- the ball can be thrown in a desired direction by rotating the support pipe with the two rotating wheels to the desired position around the axis.
- the support pipe and the axis of the pivot shaft are three-dimensionally orthogonal to each other. For this reason, if these support pipes and the axis of the pivot shaft are separated from each other, it is necessary to provide a separate connecting material for coupling the support pipe and the pivot shaft to each other. In comparison with the above, pivoting of the support pipe by the pivot shaft to the column can be performed more directly. In other words, the support pipe can be pivoted to the support body more directly.
- the configuration of the pitching machine is simplified, and the molding can be more easily performed.
- the pivot of the support pipe to the support body can be strengthened, and the support strength of the support pipe to the support body can be improved. For this reason, the accuracy of the pitch by the pitcher is improved.
- FIG. 1 is an overall side view showing Example 1.
- FIG. 2 shows Example 1 and is an overall front view.
- FIG. 3 shows Example 1, and is a partial sectional view taken along line 3-3 in FIG. 1.
- FIG. 4 is a partially cutaway view showing Example 2 and corresponding to a partially enlarged view of FIG. 1.
- FIG. 5 is an overall side view illustrating Example 3 and corresponding to FIG. 1.
- FIG. 6 shows Example 3, and is a view taken along line 6-6 in FIG. 5.
- the pitcher according to the present invention facilitates molding of the pitcher, and furthermore,
- the best mode for carrying out the present invention to achieve the object of improving the accuracy of the pitching direction is as follows.
- the pitching machine has a support that can be installed on the ground, a pair of rotating shafts that are supported by the support so as to be rotatable around respective axes parallel to each other, A pair of rotating wheels fixed to the rotating shafts on the same axis as the rotating shafts and arranged in parallel in the radial direction of the rotating shafts, and the two rotating wheels can be driven to rotate by being supported by the support. And an interlocking means for interlockingly connecting the two rotating wheels to the electric motor.
- the two rotating wheels rotate in opposite directions via the interlocking means and the respective rotating shafts, and the sphere supplied between the outer peripheral surfaces of the two rotating wheels is formed.
- the ball is accelerated by being sandwiched between these two outer peripheral surfaces, and is thrown outward.
- the support is supported on the support main body and can be installed on the ground, and is supported by the support main body, extends linearly, and penetrates each of the rotating shafts in a direction perpendicular to the longitudinal direction. And a support pipe for supporting each of the rotating shafts in the closed state.
- the cross section of each section of the support pipe in the longitudinal direction is a rectangle having the same shape and the same size.
- reference numeral 1 denotes a pitching machine
- an arrow Fr in the figure indicates a forward direction of the ball 2 by the pitching machine 1 in the pitching direction.
- the pitcher 1 is used for ball game practice such as baseball and ball game practice such as softball and ball catching.
- the pitching machine 1 is supported by the support 4 that can be installed on a ground 3 for ball game practice, and the support 4 so that it can rotate around respective axes 5 that are parallel to each other.
- Interlocking means 9 for interlocking and linking
- a chute 12 supported by the body 4 and capable of supplying the ball 2 to a space 11 between the outer peripheral surfaces 10 and 10 of the rotating wheels 7 and 7 is provided.
- the support 4 includes a support body 15 that can be installed on the ground 3, and a support pipe 16 that is supported by the support body 15 and supports each of the rotating shafts 6.
- the support body 15 is a trolley 17 that can be installed on the ground 3 and can be moved to an arbitrary position, and a pair of front and rear parts that project upward from the gantry 17.
- the pedestal 17 includes support columns 18 and 19, and a push section 20 protruding upward from the rear end of the gantry 17.
- the rear stanchion 19 is detachably fixed to the gantry 17 by a fastener. .
- the support pipe 16 extends linearly in the longitudinal direction, and the cross-sectional shape of each part in the longitudinal direction is a rectangular shape having the same shape and the same size as each other. More specifically, the cross section of the support pipe 16 is square, the support pipe 16 is a metal square pipe, and the support pipe 16 is a normal standard commercial product.
- the lower end of the support pipe 16 is pivotally supported by a pivot 24 having an axis 23 extending left and right with respect to the upper end of the front column 18.
- the support pipe 16 moves rearward and downward about the axis 23 and is pivotally supported on the upper end of the front support column 18 so as to be capable of returning rotations A and B.
- a support arm 25 protrudes rearward from a middle part in the vertical direction of the support pipe 16, and a screw jack type jack bolt for supporting the protruding end of the support arm 25 on the upper end of the rear support 19. 26 are provided.
- the support pipe 16 is supported by the support body 15 by the pivot shaft 24, the support arm 25, and the jack bolt 26, whereby the support pipe 16 has an upright posture extending in the vertical direction. It is held so that it becomes. If the jack bolt 26 is twisted, the support pipe 16 can be inclined at an arbitrary inclination angle when the pitcher 1 is viewed from the side (FIG. 1).
- the support pipe 16 is formed by integrating a pair of first facing walls 16a, 16a facing each other in a direction orthogonal to the longitudinal direction thereof, and the respective edges in the width direction of the first facing walls 16a, 16a.
- a pair of second facing walls 16b, 16b which are connected to each other, the first facing walls 16a, 16a are arranged so as to face each other in front and rear directions, and the second facing walls 16b, 16b are It is arranged to face each other.
- the rotating shafts 6 are arranged vertically above and below each other.
- the rotating shafts 6 extend in the width direction of the first facing wall 16a and penetrate the second facing walls 16b, 16b so as to be orthogonal to each other.
- Each of the second facing walls 16b, 16b is supported at both ends by bearings 29.
- the two rotating wheels 7, 7 are arranged vertically above and below one side of the support pipe 16 (outward on the right side), and are fixed to one end of each of the rotating shafts 6. Further, the interlocking means 9 is disposed outside the other side (outside left side) of the support pipe 16.
- the interlocking means 9 includes a driven pulley 31 fixed to the other end of each of the rotary shafts 6, a driving pulley 32 fixed to the output shaft of the electric motor 8, and an idler supported by the support pipe 16.
- the pulley 33 and the tension pulley 34, the endless belt 35 wound around each of the pulleys 31 to 34, and the driven pulley 31, the idle pulley 33, the tension pulley 34, and the endless belt 35 are covered almost entirely from outside. With the cover 36.
- the electric motor 8 When the pitching machine 1 performs a pitching operation, the electric motor 8 is driven. Then, in conjunction with the driving of the electric motor 8, the two rotating wheels 7, 7 rotate in opposite directions C and D via the interlocking means 9 and the respective rotating shafts 6. The ball 2 is supplied between the outer peripheral surfaces 10 and 10 of the rotating wheels 7 and 7 through the chute 12. Then, the ball 2 is accelerated by being sandwiched between the outer peripheral surfaces 10 and 10, and is thrown toward a desired outward direction.
- the support pipe 16 is rotated forward A around the axis 23 together with the rotating wheels 7. Then, the rotating shafts 6, the rotating wheels 7, the electric motors 8, the interlocking means 9, and the support pipes 16 are housed as a single assembly 38 in the space between the front column 18 and the hand pushing portion 20. (Dotted line in Fig. 1). Thereby, the pitcher 1 can be made compact.
- the support body 4 that can be installed on the ground 3 and the support body 15 that is supported by the support body 15 and extends linearly and is orthogonal to the longitudinal direction. Support each of these rotating shafts 6 with the rotating shafts 6 passing through A pipe 16 is provided.
- the main part of the support body 4 that supports each rotating wheel 7 via each of the rotating shafts 6 is constituted by a component having a simple structure called a support pipe 16. Since the support pipe 16 can be easily formed, the pitcher 1 can be easily formed.
- each of the rotating shafts 6 passes through the support pipe 16 and is supported by the support pipe 16. For this reason, the force S that allows the rotation shafts 6 to be directly supported by the support pipes 16 can be obtained. In other words, when each of the rotating shafts 6 is supported by the support pipe 16, a separate large-sized component such as a bracket is not required. For this reason, the configuration of the pitching machine 1 is simplified, and the molding can be facilitated.
- the support pipe 16 has a structure with high strength and rigidity, and each rotating shaft 6 is more directly supported by the support pipe 16 as described above. Therefore, each of the rotating shafts 6 is supported by the support pipe 16 with a large strength. Therefore, in the pitching operation of the pitching machine 1, a large reaction force is applied to each rotating shaft 6 from the ball 2 sandwiched between the outer peripheral surfaces 10, 10 of the rotating wheels 7, 7 via the rotating wheels 7 described above. Even at this time, it is possible to prevent the support pipe 16 supporting each of the rotating shafts 6 from being bent. Therefore, the accuracy of the pitching direction by the pitching machine 1 is improved.
- each of the rotating shafts 6 penetrates the support pipe 16. For this reason, at least a portion of each of the rotating shafts 6 is covered with the support pipe 16 from the outside thereof, so that each of the rotating shafts 6 is prevented from being exposed to the outside. Accordingly, each of the rotating shafts 6 is not easily visible in appearance. For this reason, the appearance of the pitcher 1 is improved, and it is also beneficial in terms of safety.
- the electric motor 8 is supported by the support pipe 16.
- each of the rotating shafts 6, each of the rotating wheels 7, the electric motor 8, the interlocking means 9, and the support pipe 16 constitute one assembly 38. Therefore, when the pitching machine 1 is formed, the assembly 38 can be independently assembled and then assembled to the support body 15. As described above, each of the rotating shafts 6 passes through the support pipe 16 and is supported by the support pipe 16. Therefore, each of the rotating shafts 6 and the support pipe 16 has a compact structure. Therefore, the assembly 38 also has a compact structure. It becomes easier to assemble 8 to the support body 15. As a result, molding of the pitching machine 1 can be further facilitated.
- the interlocking means 9 is disposed outside the support pipe 16.
- each portion in the longitudinal direction of the support pipe 16 is a rectangle having the same shape and size as each other.
- the support 4 may be of a fixed type on the ground 3.
- the support pipe 16 may be a circular pipe.
- Figs. 416 below show examples 2 and 3. Each of these embodiments is similar in many respects to the configuration and operation and effect of the first embodiment. Therefore, these common components are denoted by the same reference numerals in the drawings, and redundant description will be omitted, and different points will be mainly described. Further, the configurations of the respective parts in each of the embodiments may be variously combined in view of the object, operation and effect of the present invention.
- a pair of front and rear assemblies 38 are provided, and these assemblies 38 and 38 are detachably fixed to each other by a connector 40.
- the pitching machine 1 having the four rotating wheels 7 can be easily formed.
- the connecting tool 40 may be provided as a pair of upper and lower members.
- Example 3 will be described with reference to FIGS. To do.
- the gantry 17 of the support body 15 includes a trolley 41 installed on the ground 3 and a hydraulic lift 42 supported on the trolley 41.
- the front and rear columns 18 and 19 are supported on the lift table 42, and a pivot 44 having an axis 43 extending substantially horizontally and extending in the front-rear direction is erected at each upper end of the front and rear columns 18 and 19.
- the pivot shaft 44 is pivotally supported on the upper ends of the front and rear columns 18 and 19 so as to be rotatable about the axis 43.
- a fixing tool such as a fastener for fixing the pivot shaft 44 to the front and rear columns 18 and 19 at a desired rotation position about the axis 43 is provided.
- the support pipe 16 extends in the left-right direction and its central portion in the longitudinal direction and the axis 43 of the pivot shaft 44 extending in the front-rear direction are viewed from the side (FIG. 5) and plan view (FIG. 6). At right angles to each other, that is, three-dimensionally orthogonal to each other. In this state, the support pipe 16 is pivotally supported on the front and rear columns 18 and 19 by the pivot 44. More specifically, the pivot shaft 44 is divided at an intermediate portion in the axial direction, and each of the divided ends is directly fixed to the front and rear outer surfaces of the support pipe 16.
- the pivot shaft 44 may be constituted by a single shaft, and a halfway portion of the pivot shaft 44 in the axial direction may be penetrated through the support pipe 16.
- the rotating shafts 6 are arranged side by side on the left and right, and each penetrate the supporting pipe 16 in a substantially straight direction.
- a pair of electric motors 8, 8 and a pair of interlocking means 9, 9 supported by the support pipe 16 and capable of individually rotating the rotating wheels 7 are provided.
- the rotating shafts 6 are linked to each other by linking means 9.
- the rotation speed of each rotating wheel 7 is made variable by the control of each electric motor 8, and the rotating speeds of both rotating wheels 7, 7 can be made different from each other.
- the support pipe 16 can be moved up and down together with the rotating wheels 7 by the elevating table 42.
- the rear support 19 is hydraulically extendable, and the expansion and contraction makes it possible to tilt the support pipe 16, each rotating shaft 6, and each rotating wheel 7 to a desired angle.
- the support body 15 can be mounted on the ground 3, the pedestal 17, the columns 18 and 19 projecting upward from the pedestal 17, and the columns 18, 19
- the support pipe 16 and the axis 43 of the pivot shaft 44 are three-dimensionally orthogonal to each other.
- the support pipe 16 is rotated with the two rotating wheels 7 and 7 to a desired position around the axis 43, and the elevating table 42 and the rear support 19 are raised and lowered to a desired height. Then, the pitching direction of the ball 2 can be set to a desired direction. Further, if the rotation speed of the two rotating wheels 7 and 7 is made different from each other and the ball 2 is rotated, a pitch of a desired ball type can be obtained.
- the support pipe 16 and the axis 43 of the pivot shaft 44 are three-dimensionally orthogonal to each other. For this reason, if the support pipe 16 and the axis 43 of the pivot shaft 44 are separated from each other, it is necessary to provide a separate connecting member for coupling the support pipe 16 and the pivot shaft 44 to each other.
- the pivoting of the support pipe 16 by the pivot shaft 44 to the columns 18 and 19 can be performed more directly than in the case where That is, it can be made more directly by the pivotal force of the support pipe 16 on the support body 15.
- the configuration of the pitching machine 1 is simplified, and the molding can be more easily performed.
- the pivotal support of the support pipe 16 to the support body 15 can be strengthened, and the support strength of the support pipe 16 to the support body 15 is improved. Therefore, the accuracy of the pitch by the pitcher 1 is improved.
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/550,391 US7237546B2 (en) | 2003-12-26 | 2004-05-17 | Ball throwing machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-434571 | 2003-12-26 | ||
JP2003434571A JP2005185757A (ja) | 2003-12-26 | 2003-12-26 | 投球機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005065788A1 true WO2005065788A1 (ja) | 2005-07-21 |
Family
ID=34746892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006636 WO2005065788A1 (ja) | 2003-12-26 | 2004-05-17 | 投球機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7237546B2 (ja) |
JP (1) | JP2005185757A (ja) |
WO (1) | WO2005065788A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101646477B (zh) * | 2007-03-26 | 2011-08-10 | 美泰公司 | 玩具车助力器和轨道装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120097145A1 (en) * | 2010-10-22 | 2012-04-26 | Sheng-Hsiao Lu | Pitching Machine Having Angle and Speed Adjustment Function |
KR101209384B1 (ko) | 2011-03-16 | 2012-12-06 | 조현은 | 승강식 피칭머신 |
US9010309B2 (en) | 2011-11-02 | 2015-04-21 | Toca, Llc | Ball throwing machine and method |
US10118078B2 (en) | 2011-11-02 | 2018-11-06 | Toca Football, Inc. | System, apparatus and method for ball throwing machine and intelligent goal |
US9345946B2 (en) | 2012-03-05 | 2016-05-24 | Ifetch, Llc | Pet exercise and entertainment device |
USD797385S1 (en) | 2014-06-10 | 2017-09-12 | Ifetch, Llc | Fetching device for pets |
US10117419B2 (en) | 2012-03-05 | 2018-11-06 | Ifetch, Llc | Pet exercise and entertainment device |
US9050520B2 (en) * | 2013-03-18 | 2015-06-09 | Sheng-Hsiao Lu | Ball pitching machine |
US9301503B1 (en) * | 2014-09-16 | 2016-04-05 | Chandler A. Arrighi | Automatic ball-throwing device |
US9339716B1 (en) * | 2014-12-06 | 2016-05-17 | Radio Systems Corporation | Automatic ball launcher |
US10625135B2 (en) * | 2014-12-06 | 2020-04-21 | Radio Systems Corporation | Automatic ball launcher |
USD848082S1 (en) | 2014-12-06 | 2019-05-07 | Radio Systems Corporation | Automatic ball launcher |
US10477837B1 (en) | 2015-02-06 | 2019-11-19 | Radio Systems Corporation | Cat activity toy |
KR102025241B1 (ko) * | 2019-04-04 | 2019-09-25 | 최유식 | 공 발사기 |
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JPS5570173U (ja) * | 1978-11-10 | 1980-05-14 | ||
JPS6025670U (ja) * | 1983-07-27 | 1985-02-21 | 野里 藤男 | 投球機用昇降装置 |
JPH0591755U (ja) * | 1992-05-19 | 1993-12-14 | 株式会社トーアスポーツマシーン | 投球機における球加速用の回転輪構造 |
US6152126A (en) * | 1999-03-08 | 2000-11-28 | Automated Batting Cages | Batting cage with user interactive selection of ball speed and strike zone with pitch height indicator lamps |
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US1204468A (en) * | 1916-04-29 | 1916-11-14 | Bartley N Marty | Automatic base-ball-pitching machine. |
US4423717A (en) * | 1978-06-12 | 1984-01-03 | Kahelin Edward W | Variable double wheel ball propelling machine |
JPS5935544B2 (ja) | 1978-11-22 | 1984-08-29 | 株式会社東芝 | 水中テレビカメラ駆動装置 |
JPS6025670A (ja) | 1983-07-20 | 1985-02-08 | 三菱重工業株式会社 | ロ−タ軸に対するタ−ビンブレ−ドの配列自動決定装置 |
JPH0591755A (ja) | 1991-09-26 | 1993-04-09 | Meidensha Corp | インバータの転流サージ抑制方法及びインバータ用モータ |
US6082350A (en) * | 1999-02-04 | 2000-07-04 | Chin Music Llc | Accurate, multi-axis, computer-controlled object projection machine |
JP4289531B2 (ja) | 2000-02-09 | 2009-07-01 | 株式会社トーアスポーツマシーン | 球技練習用投球機 |
-
2003
- 2003-12-26 JP JP2003434571A patent/JP2005185757A/ja active Pending
-
2004
- 2004-05-17 US US10/550,391 patent/US7237546B2/en not_active Expired - Fee Related
- 2004-05-17 WO PCT/JP2004/006636 patent/WO2005065788A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5570173U (ja) * | 1978-11-10 | 1980-05-14 | ||
JPS6025670U (ja) * | 1983-07-27 | 1985-02-21 | 野里 藤男 | 投球機用昇降装置 |
JPH0591755U (ja) * | 1992-05-19 | 1993-12-14 | 株式会社トーアスポーツマシーン | 投球機における球加速用の回転輪構造 |
US6152126A (en) * | 1999-03-08 | 2000-11-28 | Automated Batting Cages | Batting cage with user interactive selection of ball speed and strike zone with pitch height indicator lamps |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101646477B (zh) * | 2007-03-26 | 2011-08-10 | 美泰公司 | 玩具车助力器和轨道装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060169267A1 (en) | 2006-08-03 |
US7237546B2 (en) | 2007-07-03 |
JP2005185757A (ja) | 2005-07-14 |
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