EP0388557B1 - Tennis game board - Google Patents
Tennis game board Download PDFInfo
- Publication number
- EP0388557B1 EP0388557B1 EP19890311071 EP89311071A EP0388557B1 EP 0388557 B1 EP0388557 B1 EP 0388557B1 EP 19890311071 EP19890311071 EP 19890311071 EP 89311071 A EP89311071 A EP 89311071A EP 0388557 B1 EP0388557 B1 EP 0388557B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- racket
- ball
- supporting body
- board
- plate
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F7/00—Indoor games using small moving playing bodies, e.g. balls, discs or blocks
- A63F7/06—Games simulating outdoor ball games, e.g. hockey or football
- A63F7/0604—Type of ball game
- A63F7/0652—Tennis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F7/00—Indoor games using small moving playing bodies, e.g. balls, discs or blocks
- A63F7/22—Accessories; Details
- A63F7/24—Devices controlled by the player to project or roll-off the playing bodies
- A63F7/28—Devices controlled by the player to project or roll-off the playing bodies using gravity, i.e. apparatus for rolling off the ball, e.g. a slope, ramp or slant
- A63F2007/282—Gutter-shaped
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F7/00—Indoor games using small moving playing bodies, e.g. balls, discs or blocks
- A63F7/22—Accessories; Details
- A63F7/24—Devices controlled by the player to project or roll-off the playing bodies
- A63F7/2409—Apparatus for projecting the balls
- A63F7/249—Apparatus for projecting the balls projecting the playing bodies through the air, e.g. with a jump
Description
- This invention relates to a game board with which to play a game similar to tennis. It is related to the subject matter of British patent specification no. 2 055 591.
- As described in the Japanese Examined Utility Model Publication Nos. 43353, 43354, 43355/1981, Japanese Examined Utility Model Publication No. 24058/1987 and Japanese Utility Model Publication No. 12557/1987, the inventor of this invention had devised a tennis game board. The tennis game board comprises:
a base board having a board surface formed on its upper surface on which a ball is rolled;
a racket-supporting body mounted at each end of the board surface in such a way that the racket-supporting bodies can be moved along the ends of the board surface;
a main shaft mounted inside the racket-supporting body;
a racket drive shaft mounted inside the racket-supporting body, the racket drive shaft supporting the racket that is used to strike the ball rolling toward it on the board surface;
a cam plate mounted on the main shaft, the cam plate having an action curve that transmits the ball hitting motion to the racket;
a windup spring supported on the main shaft to transmit the rotating force to the cam plate;
a winding mechanism hooked up to the windup spring; and
a link coupled to the racket drive shaft, the link having a cam follower that engages the action curve in the cam plate. - The invention identical with the above is accorded a U.S. Patent 4,286,785.
- In the above tennis game board, the game is started by first placing a ball on the board surface and rolling the ball toward a racket-supporting body which was selected to be a server, followed by the server racket-supporting body hitting back the ball by the racket. In other words, the game is not started by directly feeding the ball onto the board surface as if the ball was served by the server racket-supporting body.
- Futhermore, United states Patent No. 2,503,393 discloses a ball delivery means for use with such ball games. The ball delivery means is postioned so as to deliver the ball onto the top surface of a game board however, this manner of ball delivery is unacceptable for the present invention since the ball must be delivered as if served to the opponent.
- The object of this invention is to provide a tennis game board in which, when the game is started, the ball is directly fed onto the board surface as if the ball was served by the server racket-supporting body, thus making the manipulation of the racket-supporting body more interesting.
- The invention provides a tennis game board as in claim 1.
- These and other objects and features of this invention will be understood in detail by examining the following description in conjunction with the attached drawings showing one example embodiment.
- The attached drawings show an embodiment of this invention, in which
- Figure 1 is a plan view of the tennis game board of the embodiment of the invention;
- Figure 2 is a side view of the tennis game board, shown partly in cross section;
- Figure 3 is an enlarged front elevational view of a racket-supporting body;
- Figure 4 is an enlarged side elevational view of the racket-supporting body;
- Figure 5 is an enlarged cross-sectional view showing the internal construction of the racket-supporting body;
- Figure 6 is a side elevational view of Figure 5, as seen from the right-hand side;
- Figure 7 is a plan view of Figure 5, shown partly in cross section;
- Figure 8 is a bottom view of Figure 7;
- Figure 9 is a view showing the racket starting to hit a ball; and
- Figure 10 is a view showing the racket swung up.
- The tennis game board embodying the invention generally comprises a base board 1 having a
board surface 2 formed on its upper surface on which ametal ball 14 is rolled. A racket-supportingbody board surface 2 in such a way that the racket-supportingbody board surface 2. - A
main shaft 12 and aracket drive shaft 7 are mounted inside the racket-supportingbody racket drive shaft 7 supporting aracket ball 14 rolling toward it on theboard surface 2. Acam plate 13 is mounted on themain shaft 12, thecam plate 13 having anaction curve 15 that transmits ball hitting motion to theracket
a windup spring (not shown) being supported on themain shaft 12 to transmit rotating force to thecam plate 13, and
awinding mechanism 21 is connected up to the windup spring for winding it up. - A
link 17 is coupled to theracket drive shaft 7, thelink 17 having acam follower 19 that engages theaction curve 15 in the cam plate. Each of the racket-supportingbodies ball delivery member ball gutter portion 77 and aball leading portion 78, theball leading portion 78 being adapted to feed the ball from theball gutter portion 77 so that the ball will fall rolling onto the board surface at a position close to each racket-supportingbody body 5′, 5 at the other end of theboard surface 2. - The windup spring (not shown) in each racket-supporting
body body ball 14 on theball gutter portion 77 of theball delivery member body ball 14. Then theball 14 rolls down theball leading portion 78 of theball delivery member board surface 2 at a position close to that racket-supportingbody ball 14, thus fed at a sufficient speed, continues rolling toward the receiver racket-supportingbody 5′ or 5. A player who operates the receiver racket-supportingbody 5′ or 5 quickly moves the racket-supportingbody 5′ or 5 to a position where it can receive theincoming ball 14 and hit it back. - The
board surface 2 of base board 1 is formed in the likeness of a tennis-court.Floor plates guide rail portions board surface 2. The hollow racket-supportingbodies floor plate guide rail portions bodies racket drive shaft 7 rotatably supported on itsside walls racket drive shaft 7 aresupport shaft bodies hole 9 cut in a front wall 8 of the bodies. At the front ends of thesupport shafts rackets main shaft 12 is disposed parallel to theracket drive shaft 7 in the racket-supportingbodies side walls cam plate 13, mounted on themain shaft 12 and having theaction curve 15 for transmitting to theracket metal ball 14, also has astep 16 to stop the rotation of thecam plate 13 each time theracket ball 14. Thelink 17 engages with theaction curve 15 and transmits the ball hitting motion to theracket link 17 has itsupper end 18 rigidly secured to theracket drive shaft 7. The other end of thelink 17 facing theaction curve 15 is provided with thecam follower 19. Abox 20 is rigidly mounted to thecam plate 13 and accommodates the windup spring (not shown) for conveying rotating force to thecam plate 13. - A
stopper 22 is adapted to prevent theracket stopper 22 hasengagement projections pivotal portion 24 rotatably supported on asupport shaft 23, thesupport shaft 23 projecting inwardly from the lower part of oneside wall 6 of the racket-supportingbody engagement projections step 16 of thecam plate 13 and with thelower end 25 of thelink 17, simultaneously, when theracket spring 29 urges thestopper 22 so that theengagement projections step portion 16 of thecam plate 13 and thelower end 25 of thelink 17. Theball delivery members bodies ball gutter portion 77 andball leading portion 78. Theball gutter portion 77 is located above the racket-supportingbody ball 14. Theball leading portion 78 is recessed in cross section and sloped along its length downwardly from theball gutter portion 77 toward the front of the racket-supportingbody ball leading portion 78 is at the same time so curved that its inclination gradually decreases to where it slightly projects from the front of the racket-supportingbody ball leading portion 78 is provided a mountingplate 79 that is removably attached to the side of the racket-supportingbody ball leading portion 78 is provided aprojection 82 that is removably attached to theretainer projection 81 which is provided to the side of asupport plate body ball delivery members bodies - Next, the sequence of operation of the racket-supporting
bodies box 20 is wound up by the windingmechanism 21 for each racket-supportingbody engagement projection 27 of thestopper 22 is urged by thespring 29 to engage thestep 16 of thecam plate 13, thus stopping the rotation of thecam plate 13. At the same time, theengagement projections 28 of thestopper 22 are also urged by thespring 29 to engage thelower end 25 of thelink 17, causing theracket ball 14. - In this condition, the engagement between the
cam follower 19 and theaction curve 15 is such that thecam follower 19 can reciprocate through thecurve section 15A of theaction curve 15 that transmits the swing-down motion to theracket racket racket - When the windup spring is fully wound up, the
ball 14 is placed on theball gutter portion 7 of theball delivery member 76 on, say, the racket-supportingbody 5, which is chosen to act as a server. Theball 14 on thegutter portion 7 is lightly pushed to send it through theball delivery member 76 toward the other racket-supportingbody 5′, which is acting as a receiver. Now, the tennis game is started. - A player who operates the receiver racket-supporting
body 5′ quickly moves thebody 5′ on thefloor plate 4′ to a position where it can receive the approachingball 14 with theracket 11′. - When the ball hits the
racket 11′, the lower end of theracket 11′ is pushed in the direction of arrow in Figure 9. This racket movement is transmitted through thesupport shaft 10 and theracket drive shaft 7 to thelink 17, which is rotated about theracket drive shaft 7 to the ball hitting start position. Thecam follower 19 is moved to the start position of thecurve section 15B of theaction curve 15 that transmits the racket swing-up motion to theracket 11′. At the same time, thelower end 25 of thelink 17 presses theengagement projection 28 against the force of thespring 29, causing theengagement projection 27 to turn about thesupport shaft 23 against the force of thespring 29 to a position where it disengages from thestep 16 of thecam plate 13. As a result, thecam plate 13 is rotated in the direction of arrow by a rotating force stored in the windup spring. Then, thecurve section 15B of theaction curve 15 quickly rotates about themain shaft 12 while engaging with thecam follower 19. This transmits the swing-up motion to theracket 11′ through thelink 17,racket drive shaft 7 andsupport shaft 10, causing theracket 11′ to hit and return theball 14 toward the opposite end where the racket-supportingbody 5′ is located. - When the
racket 11′ is swung up, theengagement projection 27 reaches a position where it engages thestep 16 of thecam plate 13, as shown in Figure 10. Because theengagement projection 27 is urged by thespring 29 to engage thestep 16, the rotation of thecam plate 13 in the direction of arrow stops. By this time, thecam follower 19 has moved to thecurve section 15A next to thecurve section 15B of theaction curve 15, so that it can move back down thecurve section 15B. As a result, theracket 11′ is swung down by gravity and its motion is transmitted through thesupport shaft 10 and theracket drive shaft 7 to thelink 17. Thelink 17 therefore is rotated about theracket drive shaft 7 toward the original position. When theracket 11′ is lowered to a position immediately before the ball hitting start position, thelower end 25 of thelink 17 abuts against theengagement projection 28 fo thestopper 22, stopping thelink 17 at the original position. Theracket 11′ is now ready to hit theball 14 rolling toward it. - A player operating the server racket-supporting
body 5 swiftly moves the racket-supportingbody 5 on thefloor plate 4 to a position where it can receive theball 14 that was hit by theracket 11′ and sent rolling toward it. - When the
ball 14 hits theracket 11, the same action that occurred with theracket 11′ also proceeds with theracket 11, which strikes theball 14 back toward the opposite board end where the receiver racket-supportingbody 5′ is installed. - In this way, the racket-supporting
bodies ball 14 and hit it by means of theracket body ball 14, a point is given to the opponent racket-supporting body. The above operation is repeated to continue the game like a tennis. - The construction of the above embodiment is described in more detail in the following. The base board 1 has opposing
longer sides shorter sides fence walls board surface 2 has a summit portion formed along the line connecting the centers of thefence walls board surface 2. On theboard surface 2, white lines similar 34 to those on the tennis-court are marked. Between the ends of theboard surface 2 and theshorter sides recesses fence walls grooves balls 14. Thegrooves board surface 2 to feed tbeball 14 onto theboard surface 2. Outside thefence walls panels support shafts panels fence walls panels net plate 88 formed in the likeness of the net in the tennis-court is set between thefence walls board surface 2 and that it is spaced from theboard surface 2 so as to allow theball 14 to pass through. The stays 89, 89′ at each end of thenet plate 88 are inserted at their lower ends into theholes fence walls net plate 88 immovable. Thefloor plates recesses board surface 2 and are fixed byscrews recesses floor plate slot board surface 2 to form aguide rail portion floor plate slot board surface 2 is higher than the other portion on the far side of the slot. The stepped part is formed with arack gear slot - On the upper surface of the
floor plate hole floor plate frame 43 andprojections frame 43 with its sides open projects downwardly at a location corresponding to theslot floor plate slot projections frame 43 and adapted to engage slidably with theslot projections retainer plate 46 that is formed with anopening 45, which is larger in width than theslot frame 43 is received. Theretainer plate 46 is secured to the moving table 42, 42′ by screwing thescrews retainer plate 46 into theprojections floor plate engagement projections slot - The racket-supporting
body pieces pieces pieces engagement projections pieces pieces 49 into the other dividedpiece 49 through the screw insertion holes 51, 52, 53 formed at the upper center and the lower left and right of the dividedpieces 49. Thesescrews holes piece 49 at positions corresponding to the screw insertion holes 51, 52, 53 in thefirst piece 49. In this way the dividedpieces - The
support plate plate panel opening 60 through which thesupport shaft body - The
action curve 15 of thecam plate 13 is a cam groove cut in the surface of thecam plate 13 facing thelink 17 in such a way that thecam follower 19 can engage the action curve. Theaction curve 15 is made up of acurve section 15B which transmits a swing-up motion to theracket curve section 15A which produces a swing-down motion, with these curve sections arranged alternately about the main shaft at 90-degree steps and in communication with each other. For each revolution of thecam plate 13, theracket curve section 15A is formed wider than thecurve section 15B to allow thecam follower 19 more freedom of motion. Thecam plate 13 is provided at its circumference with arachet wheel 62, which has four equidistantly arrangedsteps 16 that correspond to the position immediately before theracket ball 14. - Next, we will explain an example of the winding
mechanism 21 for the windup spring. Sleeved at their centers over themain shaft 12 are thecam plate 13 with thebox 20 containing the windup spring, atoothed wheel 63, afriction plate 64, agear 65, apressing spring 66 and a pressure adjustplate 67. Only thetoothed wheel 63 is rigidly secured to themain shaft 12 so that they turn together and that thecam plate 13,friction plate 64,gear 65 and pressure adjustplate 67 can rotate freely. The outer end of the windup spring in thebox 20 is hooked up to aprojection 68 that is formed on thecam plate 13 near its circumference. The inner end of the windup spring is hooked up to a projection (not shown) formed on thetoothed wheel 63 near its center. Below thetoothed wheel 63, abase plate 69 is supported between the front and rear walls of the racket-supportingbody base plate 69 is apawl plate 70, which, when thecam plate 13 rotates in the same direction as the arrow in Figure 9, allows thetoothed wheel 63 to rotate by being pressed against and sliding over the teeth of thetoothed wheel 63. When thetoothed wheel 63 beings to rotate in the reverse direction, thepawl plate 70 prevents the reverse rotation of thetoothed wheel 63. Between thebase plate 69 and the frame 43 avertical shaft 71 is rotatably supported. Thevertical shaft 71 is securely mounted near its lower end with apinion gear 72 that meshes with arack gear crown gear 73. Meshed with thecrown gear 73 and thegear 65 is afollower gear 75 which is rotatably supported on thesupport shaft 74 that projects from the inner wall of the racket-supportingbody pressing spring 66 can be adjusted by the pressure adjustplate 67 in either of the following ways. During assembly of the windingmechanism 21, the pressure adjustplate 67 may be so set that charging the windup spring one turn will store energy enough to drive the racket, say, 20 times. Or a lever connected to the pressure adjustplate 67 may be projected out of the racket-supportingbody pressing spring 66 can be adjusted during the game. - The winding
mechanism 21 for the windup spring works as follows. When an operator holds the racket-supportingbody slot pinion gear 72 in mesh with therack gear pinion gear 72 is conveyed, through thevertical shaft 71,crown gear 73 and thefollower gear 75, to thegear 65. Thegear 65 is pressed by thepressing spring 66 against thefriction plate 64, which in turn is pressed against the side surface of thetoothed wheel 63. Therefore, when thegear 65 rotates in the same direction as indicated by the arrow on thecam plate 13, thetoothed wheel 63 is not blocked by thepawl plate 70 and rotates, charging the windup spring. When, however, thegear 65 rotates in the reverse direction, one of the teeth of thetoothed wheel 63 engages the end of thepawl plate 70, blocking the reverse rotation of thetoothed wheel 63. As a result, the windup spring is kept wound up. - As the above operation is repeated, the winding process proceeds and the windup spring builds up the rotating force. When the winding limit is reached, the accumulated force of the windup spring overcomes the frictional force of the
friction plate 64, with the result that thetoothed wheel 63 and thegear 65 start sliding on thefriction plate 64. Any further rotation of thegear 65 in the direction of arrow will not wind the spring any more. - The rotative force is consumed each time the
racket ball 14, and the windup spring gradually loosens. During the game, taking advantage of the idle time in which the player is waiting for theball 14, the operator may move the racket-supportingbody slot gear 65 to rotate and each time thegear 65 turns in the direction of the arrow, the loose spring is wound up, keeping the spring charged to the limit at all times. - Instead of the above winding mechanism, another mechanism may be used which allows manual windup of the spring.
- The invention with the above construction has the following advantages. It is possible to deliver the ball from the ball delivery member of the server racket-supporting body onto the board surface at the start of the game as if the server racket-supporting body served the ball to the opponent, thus making the operation of the racket-supporting body more interesting. Since the racket drive mechanism is constructed as described in the above embodiment, after the racket is swung up, it returns by gravity to a position immediately before the ball striking start position and does not overrun that pre-start position. The racket drive shaft also is not applied with excess spring pressure. Therefore, after having hit the ball and before the ball is returned, the racket can be prevented from striking at the air. Further, the action of the racket becomes quick and responsive, so that if the ball strikes the racket with a small force, it is possible for the racket to strike back the ball with a sufficient power. Especially when the action curve is so formed that for each turn of the cam plate the racket is driven four times as in the above embodiment, it is possible to increase the number of times that the racket can be driven by the rotative power stored in the windup spring.
Claims (7)
- A tennis board game comprising:
a base board (1) having an upper surface (2) forming a board surface (2) on which a ball (14) can be rolled;
two racket-supporting bodies (5,5') mounted one at each end of the board surface (2) in such a way that the racket-supporting bodies (5,5') can be moved along the ends of the board surface (2);
a respective main shaft (12) mounted inside each racket-supporting body (5,5');
a respective racket drive shaft (7) mounted inside each racket supporting body (5,5'), the racket drive shaft (7) supporting a respective racket (11,11') that is used to strike the ball (14);
a respective cam plate (13) mounted on each main shaft (12), the cam plate (13) having an action curve (15) that transmits a ball hitting motion to the racket (11,11');
a respective windup spring supported on each main shaft (12) to transmit rotating force to the cam plate (13);
a respective winding mechanism (21) connected to each windup spring; and
a respective link (17) coupled to the racket drive shaft (7), the link (17) having a cam follower (19) that engages the action curve (15) in the cam plate (13);
wherein each of the racket-supporting bodies (5,5') includes a respective ball delivery member (76,76') arranged at one side of the respective racket-supporting body (5,5'), said ball delivery member (76,76') having a ball gutter portion (77) disposed above and to the side of the racket-supporting body (5,5') as well as a ball leading portion (78) having a U-shaped cross section, the ball leading portion (78) being adapted to feed the ball (14) from the gutter portion (77) so that the ball (14) will fall onto the board surface (2) at a position close to the associated racket-supporting body (5,5') and roll towards the other racket supporting body (5,5') at the other end of the board-surface (2); and
said ball leading portion (78) extending along a downward slope from the ball gutter portion (77) and projecting slightly from the front of the racket supporting body (5,5'), the slope becoming gentler as it goes downward;
a mounting plate (79) being provided at the side of the ball leading portion (78) of the ball delivery member (76,76'), the mounting plate (79) being capable of being removably attached to the side of said racket-supporting body (5,5'). - A tennis game board as set forth in any preceding claim, wherein a panel (83, 83') is mounted inclined to the sides of the base board, the panel (83, 83') being formed in the likeness of a spectator stand with its surface illustrated with spectators.
- A tennis game board as set forth in claim 1, wherein a floor plate (4, 4') is provided to each of the base board (1), the floor plates (4, 4') are each provided with a guide rail portion (3, 3') running parallel with the end of the board surface (2) of the base board (1) and also provided with a rack gear (40, 40') running parallel with the guide rail portion (3, 3'), a moving table (42, 42') on which the racket-supporting body (5, 5') is mounted is engaged with each guide rail portion (3, 3') so that it is reciprocally movable along the guide rail portion (3, 3'), and the winding mechanism (21) for the windup spring is connected to the rack gear (40, 40') through a follower gear (75).
- A tennis game board as set forth in claim 3, wherein the winding mechanism (21) for the windup spring comprises:
said main shaft (12);
said cam plate (13) and a box (20) containing the windup spring;
a toothed wheel (63);
a friction plate (64);
a gear (65);
a pressing spring (66); and
a pressure adjust plate (67);
whereby these latter six members are sleeved at their centers over the main shaft (12) with only the toothed wheel (63) rigidly secured to the main shaft (12), the toothed wheel (63) is engaged with a pawl (70) that prevents reverse rotation of the toothed wheel (63), and the gear (65) is in mesh with the follower gear (75) that is rotated when the racket-supported body (5, 5') is reciprocally moved. - A tennis game board as set forth in claim 3 or 4, wherein the action curve (15) of the cam plate (13) is a cam groove cut in the cam plate (13) on a surface thereof facing the link (17) so that the cam follower (19) can engage with it, and the cam groove consists of two kinds (15A, 15B) of curve sections, one section (15B) being adapted to transmit the swing-up motion to the racket (11, 11'), the other section (15A) being adapted to transmit the swing-down motion to the racket (11, 11'), the two kinds of curve sections (15A, 15B) being alternately arranged about the main shaft (12) at 90-degree steps and in communication with each other.
- A tennis game board as set forth in claim 4, wherein a stopper (22) is provided which has engagement projections (27, 28), and the engagement projections (27, 28) are adapted to engage, by the resilient force of a spring (29), simultaneously with a step portion (16) formed at the circumference of the cam plate (13) and with the link (17) engaging the action curve (15) of cam plate (13) when the racket (11, 11') comes to a position immediately before the ball-hitting start position.
- A tennis game board as set forth in any preceding claim, wherein a panel (61, 61') is mounted to the front of the racket-supporting body (5, 5'), the panel (61, 61') being illustrated with a player or a cartoon character posing to hit the ball with a racket.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989031889U JPH0617469Y2 (en) | 1989-03-20 | 1989-03-20 | Tennis game board |
JP31889/89U | 1989-03-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0388557A2 EP0388557A2 (en) | 1990-09-26 |
EP0388557A3 EP0388557A3 (en) | 1990-12-27 |
EP0388557B1 true EP0388557B1 (en) | 1994-04-13 |
Family
ID=12343600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890311071 Expired - Lifetime EP0388557B1 (en) | 1989-03-20 | 1989-10-26 | Tennis game board |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0388557B1 (en) |
JP (1) | JPH0617469Y2 (en) |
DE (1) | DE68914643T2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2264872B1 (en) * | 2004-12-17 | 2008-01-01 | Daniel Sanz Navarro | RECREATIONAL MACHINE. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503393A (en) * | 1950-04-11 | Adjustable gravity ball projector | ||
DE804299C (en) * | 1949-10-30 | 1951-04-19 | Theodor Heim Fa | Foosball game |
GB672296A (en) * | 1949-11-14 | 1952-05-21 | Toogood And Jones Ltd | New and improved table game apparatus |
US3782726A (en) * | 1971-07-26 | 1974-01-01 | Coleco Ind Inc | Football game with magnetic control rods |
US3995859A (en) * | 1974-11-29 | 1976-12-07 | Adolph E. Goldfarb | Competitive board game and mechanical energy-storing catch-and-propel mechanism usable therewith |
US4286785A (en) * | 1979-08-16 | 1981-09-01 | Masatoshi Todokoro | Tennis game board |
-
1989
- 1989-03-20 JP JP1989031889U patent/JPH0617469Y2/en not_active Expired - Lifetime
- 1989-10-26 DE DE1989614643 patent/DE68914643T2/en not_active Expired - Fee Related
- 1989-10-26 EP EP19890311071 patent/EP0388557B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE68914643D1 (en) | 1994-05-19 |
JPH0617469Y2 (en) | 1994-05-11 |
EP0388557A2 (en) | 1990-09-26 |
DE68914643T2 (en) | 1994-09-29 |
JPH02123290U (en) | 1990-10-09 |
EP0388557A3 (en) | 1990-12-27 |
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