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| Number | Title | Issue Date |
| 7364516 | Golf exercising method A golf swing exerciser uses two lengths of resistance cords or tension elements connected to an exercising handle so that one of the cords extends to an upper resistance region on a back swing side of the exerciser and the other resistance cord extends between upper... | 04/29/2008 |
| 7354360 | Method and apparatus for teaching a user how to hit a ball with a bat Disclosed is an apparatus for teaching a user how to hit a ball with a bat. The apparatus includes a telescopically adjustable tee assembly that is magnetically secured to an underlying base. A user can easily make adjustments to both the vertical height of the tee ... | 04/08/2008 |
| 7354361 | Tennis stroke training device A racquet stroke training device adapted to “fix” a user's forehand racquet stroke comprises, in one embodiment, a band adapted to be worn on a user's arm above the user's elbow, a glove adapted to be worn on a user's hand, and a tether having a first end attach... | 04/08/2008 |
| 7350786 | Rotatable games By providing a playing surface which is dimensioned for enabling a desired game to be played with all competitors positioned thereon, with the playing surface being rotated, a competitive game and/or playing system/environment is created which enables all individual... | 04/01/2008 |
| 7335118 | Shock absorbing and sound producing device for tennis racket A device mounted in a tennis racket includes a cylindrical cushioning member including an annular groove, a central chamber, an axial channel crossed the chamber, and two recesses at its both ends; and a rigid, doughnut-shaped, hollow sound producing member mounted ... | 02/26/2008 |
| 7331881 | Portable fence-mountable basketball goal and method The present invention is a device and method variously and separately provided for a transportable backboard and hoop connectable to a chain-link fence as its support structure. Methods of teaching are included. Detail is also provided regarding the methods and stru... | 02/19/2008 |
| 7326133 | Racket assembly that warns of a fatigued string condition A racket assembly having a racket head that is supported by a handle. A string is strung across the racket head forming a string face. The string used in the string face is statistically likely to fail after the string face has been impacted a precalculated number o... | 02/05/2008 |
| 7264579 | Device and method for strengthening the elbow A device and method for preventing the damage underlying lateral epicondylitis (tennis elbow) or medial epicondylitis (golfer's elbow), or both lateral epicondylitis (tennis elbow) and medial epicondylitis (golfer's elbow), or for treating the damage underlying late... | 09/04/2007 |
| 7186193 | Exercise training apparatus for tennis players A tennis ball holding apparatus includes a central tubular shaft that has a bore formed therein and has apertures formed along a length thereof. A base has legs radially extending outward from a central shaft bottom end and is monolithically formed with the central ... | 03/06/2007 |
| 7156748 | Golf training device and method The golf training device comprises an arm band for attachment on the lead arm, above the elbow, and a resilient cord securable at one end to the arm band and having means at the other end for selectively attaching the cord on a golf club below the grip. A general me... | 01/02/2007 |
| 7147581 | Tennis stroke training device A racquet stroke training device adapted to “fix” a user's forehand racquet stroke comprises, in one embodiment, a band adapted to be worn on a user's arm above the user's elbow, a glove adapted to be worn on a user's hand, and a tether having a first end attach... | 12/12/2006 |
| 7134302 | Security device A security device includes a carrier for a tell-tale provision having electro-magnetic characteristics. The device is adapted to be releasably secured to an article to be protected, in particular to the shaft of a golf club, in a tamper-resilient manner and to retai... | 11/14/2006 |
| 7128658 | Sports training device and method A ball hitting training device has a ball hitting implement such as a baseball bat or golf club, a shoulder harness or anchoring device for wearing on a player's leading shoulder when taking a swing with the hitting implement, and an elongate tether of flexible, non... | 10/31/2006 |
| 7115052 | Methods and devices for sport ball training Sport ball training devices and methods for releasably holding a tennis ball or other sport ball at an appropriate height for the practice of striking the ball, either directly or indirectly with a racket or the like. An embodiment may have a support device with a b... | 10/03/2006 |
| 7048638 | Constant force golf swing training device, method of swing plane training and internet operation thereof Golf swing training device having constant resistive and rewind forces throughout the swings. An anchor positions a constant force unit, supplies a tether to a special contoured handle and is used indoor or out, preferably at a driving range or golf course. The CFU ... | 05/23/2006 |
| 6830520 | Adjustable embedded bat speed indicator An improved baseball swing trainer is presented where a standard wooden bat is modified with an embedded magnetic speed indicator based on a ball bearing and a magnet. The distance between the magnet and the ball bearing can be adjusted to adjust the amount of swing... | 12/14/2004 |
| 6648780 | Tennis training device A training device which interactively guides a tennis racquet by exerting a towing force on a card which is connected to the tennis racquet. The device includes a vertically adjustable support connected with a guide pole fixed to a wall. A swivel arm is m... | 11/18/2003 |
| 6645094 | Tennis stroke training apparatus An athletic training device having a frame which is attached to a base at lower end and one or more guide rails at a higher end. Attached to the rails are one or more antennas which are resilient and flexible in nature. The rails preferably have a forward... | 11/11/2003 |
| 6461255 | Powertube A baseball training aid includes a hollow tubular member rotatably positioned on an adjustable height stand, for use in practice batting. The hollow tubular member is adjustably positioned to guide a bat during the initial movement of the bat by the batte... | 10/08/2002 |
| 6270430 | Sports trainer A sports training device which consists of a body belt which can be secured around the body, an elastic cord and an implement holder. The elastic cord is attached to an adjustable length strap on the belt so that the end of the elastic cord can be drawn s... | 08/07/2001 |
| 6270434 | Game racket to show the state of the body of an exerciser A game racket is provided in the grip portion thereof with a sensor for detecting changes in body characteristic of a person engaging in exercise by using the game racket. The changes in body characteristic of the person are detected in the form of electr... | 08/07/2001 |
| 6134965 | Device for measuring at least one physical parameter relating to a propelled game ball A device (1) for measuring the strike velocity of a game ball struck by a striking element, particularly a tennis racket (2), said device being provided directly on the racket. The device comprises at least one measuring sensor mounted on the strings (4) ... | 10/24/2000 |
| 6102809 | Athletic stroke training device An athletic stroke training device is disclosed. The training device has a semi-rigid shaft that is attached to a player's shoulders or hips by incorporating the shaft into the garment worn by the player or by use of a shoulder harness. The shaft has a le... | 08/15/2000 |
| 6056653 | Tennis exercise device An exercise device for learning to guide a tennis racquet which includes an upwardly open ball track that is curved approximately like a horseshoe from a top view, and a support device by which the ball track is supported inclined on the ground in such a ... | 05/02/2000 |
| 5846086 | System for human trajectory learning in virtual environments In an apparatus and method for teaching motor skills to a human subject, learning by a student is based upon imitation of a teacher's motion. The teacher's motion is sensed by a motion sensing device, is digitized by a computer, and is then recorded in me... | 12/08/1998 |
| 5796005 | Flex meter for sports game implements A combination of an implement employed in a sports game to impact with a body, and a device coupled to the implement which measures the natural frequency and the relative amplitude of vibration of the implement resulting from the impact. The implement can... | 08/18/1998 |
| 5700205 | Sports training system A system measures and records deflection of an elongated shaft such as the shaft of a golf club and provides a trace or diagram of the swing of the club. The system includes an elongated rod, mounted to the golf club shaft, and a separate recording system... | 12/23/1997 |
| 5618040 | Tennis aid A tennis aid for improving the stroke of a tennis player. The aid includes a wrist band for encircling the wrist of a tennis player and an associated elastic cord attached thereto. The cord is attached to the wrist band near its midpoint and at opposite e... | 04/08/1997 |
| 5554033 | System for human trajectory learning in virtual environments In an apparatus and method for teaching motor skills to a human subject, learning by a student is based upon imitation of a teacher's motion. The teacher's motion is sensed by a motion sensing device, is digitized by a computer, and is then recorded in no... | 09/10/1996 |
| 5542676 | Biosensor feedback device for sporting implements A biosensor feedback device for use in detecting a grip pressure and torque of a hand against a handle of a sporting implement. The device includes a flexible thin film substrate which is conformable to the handle of the sporting implement, and an array o... | 08/06/1996 |
| 5520049 | Acceleration responsive device An acceleration responsive device 30 includes a support 34 which supports a rod 46 between two spaced portions of the support. A weighted disc 48 is mounted for movement on the rod and is held by a spring 128 at one end of the rod 46. An indicator 50 is a... | 05/28/1996 |
| 5439214 | Stroke training device A stroke training device includes a guide member connected between the user's body and a stroking device which will focus the force of body rotation at a constant radius as the user's body moves between backstroke, stroking, and follow through positions; ... | 08/08/1995 |
| 5340102 | Racket attachment whistle A training device for a tennis racket is provided which consists of a clamp for attaching a small whistle transversely to a throat of the tennis racket. A first sound will be made by the small whistle, when a tennis player swings the tennis racket in a sl... | 08/23/1994 |
| 5257779 | Stroke training device A stroke training device includes a guide member connected between the user's body and a stroking device which will focus the force of body rotation at a constant radius as the user's body moves between backstroke, stroking, and follow through positions; ... | 11/02/1993 |
| 5080362 | Adjustable point of impact indicating device An impact sensing device (16) is attached to a sporting implement to provide a visual indication of when the implement strikes a sporting object. The device (16) comprises a cylinder (22) containing a flexible wire (40) encircled by contacts (50 and 51). ... | 01/14/1992 |
| 5060942 | Stroke training device A stroke training device includes a guide member connected between the user's body and a stroking device which will focus the force of body rotation at a constant radius as the user's body moves between backstroke, stroking, and follow through positions; ... | 10/29/1991 |
| 4911441 | Apparatus for controlling moves of a ball-hitting instrument in ball games A ball-hitting instrument for playing ball games, comprises a handle and a flat head part (preferably a tennis racket bearing a screen in the head part) and an apparatus for programming and controlling the seizing of the handle and the guiding of the inst... | 03/27/1990 |
| 4852875 | Racquet swing training apparatus A swing training apparatus for use with a hand held sports implement having a head and a handle with a longitudinal axis extending between the head and handle includes a housing that is mounted to the implement at a position adjacent the head. A sleeve ca... | 08/01/1989 |
| 4519608 | Tennis racket stroke training device A tennis training device worn by a player and comprising a telescopic and orientable rod--attached to a wide belt--in the dorsal region--thereof and bearing at its end an obstacle--the position of which is adjusted in order to define the place where the p... | 05/28/1985 |
| 4163552 | Apparatus for facilitating the practicing of tennis and like games Apparatus which indicates various stages of forehand or backhand strokes which are practiced by a tennis player with or without a ball, with or without an opponent and without supervision has a disk-shaped support which is mounted on the innermost part of... | 08/07/1979 |
