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Telescopic batting training apparatusRelated Patent Categories: Games Using Tangible Projectile, Playing Field Or Court Game; Game Element Or Accessory Therefor Other Than Projector Or Projectile, Per Se, Means Removably Supporting Projectile In Position To Be Struck And Thereby Projected By Player (e.g., Batting Tee, Etc.)Telescopic batting training apparatus description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060205540, Telescopic batting training apparatus. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The invention relates to a batting training apparatus, more particularly to a telescopic batting training apparatus. [0003] 2. Description of the Related Art [0004] Referring to FIG. 1, a conventional batting training apparatus 10 is shown to comprise a base 11, an upright post 12, and a ball-supporting rod 13. The base 11 is supported on the ground through two elongated plastic leg members 111 that intersect each other to form a cross shape. The upright post 12 has a bottom end connected to the base 11, and a top end connected to the ball-supporting rod 13. The ball-supporting rod 13 is made of a foam material, and has a ball receptacle 131 formed on a top end thereof for supporting a ball 100 so that the ball 100 is at a predetermined height relative to the ground. Through such an arrangement, a player can start his batting training by swinging a bat against the ball 100. [0005] Although the conventional batting training apparatus can achieve its intended purpose, it has the following disadvantages: [0006] 1. The base 11 is supported on the ground through the ends of the plastic leg members 111 so that the contact area of the base 11 with the ground is limited. This results in the base 11 providing a relatively weak and unstable support so that when the player strikes the ball 100 with the bat, the conventional batting training apparatus 10 easily topples over. Therefore, the conventional batting training apparatus 10 has to be erected after each strike, thereby rendering the conventional batting training apparatus 10 inconvenient to use. [0007] 2. Since the upright post 12 is not telescopic, the conventional batting training apparatus 10 has a fixed striking point so that the player cannot practice batting the ball at different height levels, thereby affecting the training efficiency. [0008] 3. Since the height of the upright post 12 of the conventional batting training apparatus 10 is fixed, that is, since the upright post 12 is not telescopic, the conventional batting training apparatus 10 is not suitable for players of different ages and heights. [0009] 4. The conventional batting training apparatus 10 occupies a substantial space during storage. However, if the conventional batting training apparatus 10 is disassembled so as to facilitate storage and is then assembled so as to facilitate use of the apparatus, considerable time and labor are wasted. SUMMARY OF THE INVENTION [0010] Therefore, the object of the present invention is to provide a batting training apparatus that is telescopic, that is convenient to use, and that can be stably mounted on the ground. [0011] According to the present invention, a telescopic batting training apparatus comprises an upright support, and a central base unit. The upright support includes a lower support post, an upper support post telescopically connected to the lower support post, a locking unit for restricting telescopic movement of the upper support post relative to the lower support post, and a ball receptacle mounted on top of the upper support post. The central base unit includes a tubular member sleeved around the lower support post, and a plurality of radial legs having inner ends pivotally connected to the tubular member and outer ends opposite to the inner ends. The radial legs are turnable between a stretching position and a folding position. In the stretching position, the outer ends of the legs move away from the lower support post. In the folding position, the outer ends of the legs move toward the lower support post. BRIEF DESCRIPTION OF THE DRAWINGS [0012] Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments with reference to the accompanying drawings, of which: [0013] FIG. 1 is a perspective view of a conventional batting training apparatus; [0014] FIG. 2 is a perspective view of the first preferred embodiment of a telescopic batting training apparatus according to the present invention; [0015] FIG. 3 is a schematic view of the first preferred embodiment; [0016] FIG. 4 is a view similar to FIG. 3, but illustrating how an upper support post can be adjusted through a first locking unit; [0017] FIG. 5 is a fragmentary partly sectional view of the first preferred embodiment, illustrating how an upright support and a central base unit can be respectively retracted and folded; [0018] FIG. 6 illustrates how a bat may be connected to the upright support after the latter is retracted; and [0019] FIG. 7 is a perspective view of the second preferred embodiment of a telescopic batting training apparatus according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0020] Before the present invention is described in greater detail, it should be noted that like elements are denoted by the same reference numerals throughout the disclosure. Continue reading about Telescopic batting training apparatus... Full patent description for Telescopic batting training apparatus Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Telescopic batting training apparatus patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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