A toy having three bobs on a string where the middle bob slides. A low moment of inertia of the middle bob is desirable because it minimizes tangling of the string about the middle bob and produces smooth, tactile-appealing orbits. Each bob has a pair of mated throughbore pieces sandwiching a central metal weight and an equatorial bag stuffed with low-density pellets. Concave sections (in profile on a plane along the polar axis) of the throughbore occupy a substantial portion of the length of the throughbore to take best advantage of the torques produced by the string by focusing the tension of the string at the mouths of the throughbore. The concave sections also reduce the volume occupied by the bag, thereby reducing moment of inertia. Additionally, hollows in the concave regions of the throughbore pieces further reduce the moment of inertia.

The baseball/softball hitting training device includes a base, a frame body, and a ball suspension system. The ball suspension system is supported by the frame body. The frame body includes a vertical stem portion and an offset portion. An upwardly-projecting arm of the vertical stem and a downwardly-projecting arm of the offset portion define a vertical axis between them. The ball suspension system is supported between the upwardly-projecting arm and downwardly-projecting arm, with the ball held vertically intermedially via a tether in alignment with the vertical axis and positioned to allow the player to practice hitting. Height-adjustment mechanisms are also disclosed. The tethered-ball training device can optionally be converted to a tee-ball training device.

A training apparatus for ball-playing sports comprising a tether having a first end affixed to a connector module and a second end affixed to a ball securing device. The ball securing device is configured to secure a ball therein. A belt may be configured to have the connector module engaged therewith where the belt is to be worn around a waist of a user. The connector module operable to traverse a length of the belt in response to a throwing force applied to the ball.

Disclosed are devices, systems, and methods for training a player to hit a ball at a target, an exemplary net for use in such a system includes one or more display elements configured to display a target towards which the player should hit the ball, and one or more sensors configured to detect an impact between the ball and the net, and determine whether the detected impact between the ball and the net is at the target.

A device for training a golf swing addressed to a golfer having a supporting element on which a vertical rigid rod is placed. The rod is connected to a horizontal rigid rod which is connected to a terminal supporting element on which the golfer keeps his forehead continuously in touch. The device has a protruding element connected to the vertical rod on which a chainlet is connected at the end, and a golf ball is hanged and kept jointed to the chainlet. A laser emitting and receiving device is able to emit and receive a laser beam to detect the rotation angle of the player's bust in respect to the front direction. A system of video cameras and image processing software detect the orientation of the golf club at the moment of impact on the ball, and the golfer is then informed by the device if the swing was correct.

A training racket with a user end on one side and a hitting end on an opposite side. The user end further comprises a first grip, a second grip, and a generally u-shaped segment interconnecting the first grip and the second grip. The generally u-shaped segment extends away from an axis extending through the first grip, the second grip and the hitting end, whereby the player positions a portion of the racket behind their back with a first grip on one side of their body and the second grip on the opposite side of their body to practice their hitting and swinging techniques.

The present disclosure provides a training and a trainer's aid comprising a placement means, a line, a ball securement means, and a rotational means.

A hitting training device for baseball and softball indoors and outdoors is disclosed in the utility model, relating to the technical field of training device. The utility model comprises a main pipe, three connecting pipes are uniformly arranged in connection below the main pipe along the circumference; a base pipe is arranged in connection to each of the three connecting pipes; a swivel pipe is arranged in rotatory connection to the inner of the horizontal pipe; a ball mounting pipe is arranged in fixed connection to the swivel pipe; a mounting column is arranged in connection below the ball mounting pipe; a wire rope is arranged in connection below the mounting column; and a ball is arranged in connection below the wire rope. The utility model has a novel structure, reasonable design, adjustable height and better training effect.

A sports apparatus, comprising: at least two support columns, and at least two base structures coupled to the at least two support columns. At least one horizontal support bar is coupled to the at least two support columns. The at least one horizontal support bar is moveable and/or adjustable, and comprises at least two openings. At least one connector, disposed entirely below the lower surface of the at least one horizontal support bar, comprises at least two connecting point coupling the at least one connector to the at least one horizontal support bar at a lower surface of the at least one horizontal support bar by engaging with the at least two openings in the at least one horizontal support bar.

A percussive swing training assembly incorporating a flexible tie having a radially outer end, having a radially inner end, and having a medial section spanning between said ends; a percussive contact element; a radially outer swivel joint positioning the percussive contact element at the flexible tie's radially outer end and facilitating rotation of the percussive contact element with respect to the flexible tie's radially outer end; a medial handle; a medial swivel joint positioning the medial handle at the flexible tie's medial section and facilitating rotation of the flexible tie's medial section with respect to the medial handle; a radially inner handle; and a radially inner swivel joint positioning the radially inner handle at the flexible tie's radially inner end and facilitating rotation of the flexible tie's radially inner end with respect to the radially inner handle.