CA2306919C

CA2306919C - Apparatus for circular court ball game

Info

Publication number: CA2306919C
Application number: CA002306919A
Authority: CA
Inventors: Gregory Craig
Original assignee: CRAIG GREGORY A
Current assignee: CRAIG GREGORY A
Priority date: 1996-11-06
Filing date: 1997-11-04
Publication date: 2006-10-10
Anticipated expiration: 2017-11-04
Also published as: EP0998333A4; WO1998019756A1; EP0998333A1; CA2306919A1

Abstract

This invention in an apparatus for use in a round ball rebounding game played on a circular court consisting of a spherical structure (8) supported by a single pole (14), and having a plurality of goals (22, 24, 26) placed at equidistant intervals about the maximum horizontal diameter of the sphere, and parallel to the playing surface (52). The apparatus further comprises a plurality of discharge tubes (36, 38, 40) inserted into the bottom of the sphere, said number of tubes corresponding to the number of goals. Openings are further cut into the sphere relative to the position of each goal such that a net (39, 32, 34) attached to the bottom of each goal can direct a round ball into the interior of the sphere, with the ball eventually departing the bottom of the sphere through one of t he discharge tubes which then deposit the ball at the base of the structure alo ng the playing surface.

Description

TITLE OF INVENTION
Apparatus for circular court ball game.
TECHNICAL FIELD OF THE INVENTION
The field of this invention relates to an apparatus for use in a round ball rebounding game played on a circular court.
BACKGROUND OF THE INVENTION
Basketball is an example of a common and popular round ball rebounding sport played both indoor and outdoor, generally with a rectangular shaped court and two goals at opposite cnds of the court. A basketball goal is generally a circular hoop placed at a set height above and parallel to the playing surface. Behind the goal is a flat backstop, generally perpendicular to the goal, which acts as a rebounding surface from which the round ball can bounce back into the field of play or into the goal. Prior art variations on the basketball game generally maintain the rectangular shape of the playing surface with goals on either end and lend themselves to games played by two opposing teams.
The present invention provides for playing, of a round ball game by trvo or more competing teams simultaneously within a circular playing arcs or court. This is accomplished by the use of a single structure tower tapped by a dome shaped rebounding surface supporting a plurality of goals arranged at equidistant intervals around the edges of the dome. This tower structure with its circular arrangement of the goals is placed at the center of a circular playing area or court. By dividing this circular court into a number of sectors corresponding to the number of goals and assigning a sector and corresponding goal to each team, a round ball rebounding game similar to basketball can be played with a plurality of teams tampering simultaneously. This game tower design allows for a fast paced and exciting variation on round ball rebounding games.
SUBSTITUTE SHEET ( rule 26 ) SUMMARY OF INVENTION
This invention relates to an apparatus used to play round ball rebounding-type games within a circular field of play. The invention relates to a single tower placed in the center of a circular playing surface. This tower is affixed with a sphere at the top of the tower. This sphere acts as a rebounding surface off of which round balls thrown in the direction of the sphere will bounce off of the sphere in various directions.
In accordance with one aspect of the present invention there is provided a tower structure comprising: (a) a center pole erected vertically; (b) a sphere-like and hollow domed surface affixed atop said center pole; (c) a plurality of openings in said domed surface; (d) a plurality of goals attached to said domed surface with each goal placed above an opening into said surface; (e) a plurality of tubes attached to said surface each at a corresponding opening; and, (f) a net attached to each goal to provide a channel from said goal to the opening located under each goal.
In accordance with another aspect of the present invention there is provided a tower structure on a playing surface comprising: (a) a center pole having a first end and a second end; (b) said first end of the center pole secured perpendicular to the playing surface; (c) a hollow sphere-like object attached to said second end of the center pole;
(d) a plurality of goals attached to said sphere-like object; (e) an opening through said sphere-like object under each of said goal; and (f) a net attached to each goal to provide a channel from said goal to said opening.
In accordance with yet another aspect of the present invention there is provided an apparatus for circular court ball game comprising: (a) a sphere-like, hollow rebounding surface; (b) a center pole attached to and supporting said rebounding surface; (c) a plurality of goals attached to said rebounding surface; (d) an opening in said rebounding surface under each of said goals; and, (e) a net attached to each goal to provide a channel from said goal to said opening.
In accordance with still yet another aspect of the present invention there is provided an apparatus for circular court ball game comprising: (a) a generally round domed rebounding surface; (b) a center support attached to and supporting said rebounding surface; and, (c) a plurality of goals suitable for receiving a round ball attached to said rebounding surface wherein said rebounding surface is a sphere-like hollow object with a plurality of openings in said rebounding surface.
In accordance with still yet another aspect of the present invention there is provided a tower structure comprising: (a) a vertical support; (b) a generally sphere-like and hollow domed surface affixed atop said support; (c) a plurality of goal rims attached to said domed surface; and, (d) a plurality of openings in said domed surface.
In accordance with still yet another aspect of the present invention there is provided a tower structure on a playing surface comprising: (a) a center support having a first end and a second end; (b) said first end of the center support secured perpendicular to the playing surface; (c) a spherical enclosure attached to said second end of the center support, said enclosure having an internal open volume and a plurality of ball receiving openings to said volume and a plurality of ball discharging exits from said volume; and, (d) a plurality of generally semicircular goals attached horizontally to said enclosure.
In an exemplary embodiment, at or near the maximum horizontal diameter of the sphere is affixed a plurality of goals. These goals are perpendicular to the vertical axis of the tower and are placed equidistant from each other about the outside of the sphere surface. Nets hung under the goals direct any balls that are deposited in the goals through openings immediately beneath the goals into the sphere. In one preferred embodiment, the ball then rolls into one of a plurality of tubes, the number of tubes corresponding to the number of goals, which redirects the ball out of the base of the tower back onto the circular field of play.
In an exemplary embodiment the apparatus allows for simple construction of the tower apparatus using a readily available commercial materials. The game itself could be played on any number of surfaces, including playground safety surfacing, asphalt, cement, sand, grass, wood, ice or water. The playing surface can be flat or might slope away from the apparatus.
2a By using a plurality of goals arranged in a circular court setting, this apparatus provides for the simultaneous competition of a plurality of teams. For example, each team might be assigned a sector of the circular field of play from which to begin play and a corresponding goal in which the team would attempt to deposit a ball by throwing it in the direction of the goal from any location on the ci~ular court. It is contemplated that the use of the structure by simultaneously competing teams, the unpredictability of the rebound 2b trajectory of b:ills bouncing off of the domed surface, and the unpredictable location of die ejection of balls from the base of the rower after a ball enters a goal will add to the excitement and novelty of any games designed to be played with the present uZVention. The circular field of play concept for which the present invention is best suited would also allow for the ma.~cimum use of limited playing area.
As shown herein, the present invenrion is easy to bLUld, exciting to use, and provides limitless opportunities for the development of new and popular round ball games.

SUBSTITUTE SHEET ( rule z6 ) BRIEF DESCRIPTION OF THE DRAWINGS
Further objects and advantages of the present invention will become apparent from the following detailed description when rcad in conjunction with the accompanying drawings, in which:
Figure 1 is a perspective view in elevation of an embodiment of the present invention;
Figure 2 is a plan view of an embodiment of the present invention; and, Figure 3 is a fragmentary vertical cross-section in side view of an embodiment of the present invention taken substantially on a plane indicated by line 3 -- 3 of Figure 2.

SUBSTITUTE SHEET ( rule 26 ) DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
Figure 1 shows a perspective view of one preferred embodiment of the present invention. Figure 1 shows a spherical reboiuiding surface 8 consisting of an upper dome and a lower dome 12 supported by a center pole I4. The upper dome i0 and lower 5 dome 12 can be constructed of any suitable material, such as plastic, fiberglass, or composite materials. For ornamental purposes, a clear plastic dome, such as a lorry-eight inch diameter clear polycarbonate dome distributed by Cadallic Plastics in Florida, can be used for the upper dome 10. A suitable Lower dome 12 would be a polyethylene storm sewer base distributed by Advanced Drainage Systems. Rather than being separate components, 10 the upper dome 10 and Lower dome 12 could also be constructed of a single piece sphere, such as a forty-eight inch diameter, polyethylene sphere distributed by Canbar Plastics of Canada.
The center pole 14, typically a metal tube, extends through the base of the lower dome 12. Inside the sphere 8 a center support hub 15 is affixed over the outside diameter of the center pole 14 and attached thereto by a pin or bolt or other attaching means.
. Radiating at equidistance from each other in the horizontal plane from the center support hub 15 are support rods 16, 18, 20. The support rods 16, 18, 20 connect at one end to the support hub 15 and are then connected at the other end by attaching means, such as a threaded end to threaded nut combinations, to the wall of the sphere 8. These support rods, in combination with a support ring 21 shown in Figure 3, provide the primary means to support the sphere 8 on the center pole 14.
Returning to Figure 1, the embodiment illustrated shows three goal rims, 22, 24, 26, attached to the exterior of the sphere 8. These goal rims 22, 24, 26 can be made, for example, of metal rods or tubes fashioned in a horseshoe or "U" shape with the end of each SUBSTITUTE SHEET ( rube 26 ) rod or tube attached to the sphere 8 by attaching means such as threaded end to the threaded nut combinations. Attached to the bottom of and hanging from each of the goal rims 22, 24, 26 are goal nets, 30, 32, 34. These nets can be made of any suitable material, including cloth, metal chains, or synthetic materials such as two inch nylon webbing.
As can be seen by referring to the third goal rim 26 in Figure 1, an opening is cut into the lower dome 12 of the sphere 8. Similar openings are cut into the lower dome 12 relative to each other goal rim 22, 24. This opening 44 provides the means for a round ball that has been deposited into the goal rim 26 to be directed by the netting 34 through the opening 44 into the interior of sphere 8. Once the round ball enters the interior of the sphere 8, it will bounce off center pole 14 and roll around the interior of the structure until finding its way into one of the discharge tubes 36, 38, 40 which extend into the base of the lower dome 12 through openings cut into the lower dome 12 just large enough to allow for the snug insertion and attachment of the discharge tubes 36, 38, 40. The preferred embodiment illustrated shows three discharge tubes 36, 38, 40 which correspond to the three goal rims 22, 24, 26. It is anticipated that if the number of goals are changed in alternative embodiments that the number of discharge tubes will likewise be changed to correspond to a like number of goals.
A suitable material for the discharge tubes 36, 38, 40 is a corrugated polyethylene, non-perforated, flexible tubing in ten inch diameter such as distributed by Advanced Drainage Systems. The discharge tubes 36, 38, 40 are attached to the center pole 14 and to the interface with lower dome 12. The discharge tubes 36, 38, 40 can be covered with foam padding or other protective materials. The interior diameter of a discharge tube 36 is large enough to allow the easy passage of a round ball used with the apparatus. Once the round ball has entered a discharge tube 36 the ball travels vertically down the interior of the the tube and exits at the base of the discharge tube 36 through the discharge opening 50 at the playing surface, thus returning the ball to the field of play at a location drat was unpredictable when the ball first entered a goal.
Also shown in Figure 1 is a circumferential half round bumper 42. This bumper S 42 is located at the maximum horizontal di.~uneter of the sphere structure 8. The bumper can be constructed of any number of materials, including plastic and rubber.
This bumper 42 provides additional rebound action for balls tossed in the direction of any one of the goal rims 22, 24, 26.
Figure 2 shows a plan view of the preferred embodiment of the present invention utilizing three goal rims 22, 24, 26. As previously noted, these goal rims 22, 24,-26 can be made of a metal rod or tubing fashioned in a horseshoe or "U" shape. By referring to the first goal rim 22, it can be seen that the rim has a first end 27 and a second end 28.
Each end 27, 28 protrudes through the circumferentially half round bumper 42 and attaches to the sphere 8 by an attaching means such as threading on the two ends 27, 28 with threaded nuts.
In an embodiment not shown, a support plate can be attached to the end of each support rod at the interior surface of the sphere 8. This support plate, typically made of metal, then follows the contour of the interior surface of the sphere 8 for a distance that allows for a F>rst end 27 and a second end 28 of a goal rim to attach to the support plate.
This arrangement provides positive and contiguous support for the goal rims, through the support rods, and to the support ring attached to the center pole.
Figure 3 shows a fragmentary vertical cross section in side view, taken substantially on plane indicated by line 3 -- 3 of Figure 2 of the prefer-red embodiment of the present invention utilizing three goal rims. This cross section illustrates that the sphere 8 consists SUBSTITUTE SHEET ( rube 26 ) of an upper dome 10 and a lower dome 12. The upper dome 10 and die lower dome can be identical, such as perfect half spheres, or of different shape, such as a lower dome i2 with a deep basin construction as illustrated in Figure 3. The upper dome 10 a~~d lower dome 12 are joined at the interface 13 of said domes, thereby resulting in the sphere S structure 8. This interface I3 can be made secure by any number of attaching means, including glue or epoxy, brackets, screws, or nut and bolt combinations. As noted earlier, the sphere structure 8 can also be a single piece construction as opposed to two half sphere domes connected together.
Figure 3 further shows the center support hub 15 and the support ring 21 mounted on the center pole 14. Extending from the center supporc hub 15 is shown a support rod 20. This support rod 20 is shown penetrating the lower dome I2 immediately below the interface of the upper dome 10 and lower dome 12 and in the same approximate horizontal plane as the goal rim 26.
Also shown is an opening 44 through which a round bail can enter the interior of the sphere 8 after passing through a goal rim and as directed by a goal net.
As noted previously, this ball would then bounce off the center pole 14 and roll into one of the openings 46 at the bottom of the lower dome 12 into one of the discharge tubes 36, 38.
The ball then travels down the interior of the discharge tube 48 and exits at the discharge opening 50, thereafrer rolling onto the playing surface 52. It is anticipated that the playing surface 52 could be any number of surfaces, such as playground safety surfacing, asphalt, cement, wood, grass, sand, water, or ice. While the playing surface 52 is shown as a flat surface, it might also slope away from the center pole 14.
It would be understood that various changes in the details, materials, and arrangements of the present invention which has been described and illustrated in order to SUBSTITUTE SHEET ( rule 26 ) explain the nature of the invention, may be made by those sfcilled in the art within the principle arid scope of the invention as expressed in the following claims.

SUBSTITUTE SHEET ( rule 26 ) I CLAIM:
I. A tower structure comprising:
(a) a center pole erected vertically;
{b) a domed surface af~LYed atop said center pole; and (c) a plurality of goals attached to said domed surface.
2. The tower structure of Claim 2, wherein said domed surface is sphere-like and hollow, and further comprising:
(d) a plurality of openings in said domed surface.
3. The tower structure of Claim 2, further comprising:
(e) plurality of tubes attached to said surface each at a corresponding opening.
4. The tower structure of Claim 2, wherein each goal is placed above an opening into said surface, and further comprising:
(e) a net attached to each goal to provide a channel from said goal to the opening located under each goal.
i0 SUBSTITUTE SHEET ( rube 26 )

Claims

:

1. A tower structure comprising:
(a) a center pole erected vertically;
(b) a sphere-like and hollow domed surface affixed atop said center pole;
(c) a plurality of openings in said domed surface;
(d) a plurality of goals attached to said domed surface with each goal placed above an opening into said surface;
(e) a plurality of tubes attached to said surface each at a corresponding opening;
and, (f) a net attached to each goal to provide a channel from said goal to the opening located under each goal.

2. A tower structure on a playing surface comprising:
(a) a center pole having a first end and a second end;
(b) said first end of the center pole secured perpendicular to the playing surface;
(c) a hollow sphere-like object attached to said second end of the center pole;
(d) a plurality of goals attached to said sphere-like object;
(e) an opening through said sphere-like object under each of said goal; and (f) a net attached to each goal to provide a channel from said goal to said opening.

3. The apparatus of claim 1 or 2, further comprising:
a playing surface in a circular court arrangement divided into sectors corresponding to the assignment of said goals to teams using said apparatus and further divided into areas which can correspond to various game rule related positions on said playing surface.

4. The apparatus of claim 3, wherein said goals, nets, and playing surface sectors are color coded to indicate the relation of specific goals to specific playing surface sections.

5. The apparatus of claim 1, wherein said tubes extend from said rebounding surface to a playing surface.

6. The apparatus of claim 1 or 2, further comprising:
a circumferential bumper attached to said rebounding surface near said goals.

7. A tower structure on a playing surface comprising:
(a) a center support having a first end and a second end;
(b) said first end of the center support secured perpendicular to the playing surface;
(c) a spherical enclosure attached to said second end of the center support, said enclosure having an internal open volume and a plurality of ball receiving openings to said volume and a plurality of ball discharging exits from said volume; and, (d) a plurality of generally semicircular goals attached horizontally to said enclosure.

8. The tower structure of claim 7, wherein said openings to said volume are located under each of said goals.

9. The tower structure of claim 8, further comprising:
a net attached to each goal to provide a channel from each said goal to said opening under said goal.

10. The tower structure of claim 9, further comprising:
a tube attached to each exit.

11. The tower structure of claim 10, wherein said tube adapted to extend from said enclosure to said playing surface.

12. The tower structure of claim 7, further comprising:
a circumferential generally round bumper attached to said enclosure in a position relative to said goals such that said bumper affects the rebound trajectory of round balls thrown at said goals.

13. The tower structure of claim 7, wherein said center support is a pole attached to said enclosure by a plurality of support rods attached to and radiating horizontally from said second end of said support.