Class 473/427 - Projectile continuously driven in closed orbit prior to being struck

Subclass of Class 473 - Games using tangible projectile
Definition: Tethered projectile device comprising a motive means for
No. of patents: 24
Last issue date: 03/06/2012

Number	Title	Issue Date
8128516	Ball game training apparatus A ball game training apparatus includes a positioning device, a first pivot device connected to the positioning device and turnable relative to the positioning device in X-axis direction, a second pivot device connected to the first pivot device and turnable relativ...	03/06/2012
7517291	Ball game practice device A device (10) for practicing playing a ball game, such as tennis, comprises an arm (29) one end portion of which carries a ball (31), such that the ball (31) is rotatable retained relative to the arm (29), and a remote end portion ...	04/14/2009
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
7131916	Baseball swing trainer The present invention relates to a baseball swing trainer. In a first embodiment, a ball is pivotally attached to a vertical arm which is slidably attached to an oblique arm, the oblique arm is attached to a horizontal arm which is attached to a support structure; t...	11/07/2006
7066849	Portable training device for soccer players A soccer training device includes a base member including a flexible handle for assisting a user to transport the device between remote locations. A plurality of mounting brackets are removably securable to the base member and a plurality of bearings are operably at...	06/27/2006
7056236	Soccer kicking training apparatus A soccer kicking practice apparatus is provided with an elongated soccer ball mounting arm comprised of a center shaft positioned inside of a coil spring. An outside end of the elongated soccer ball mounting arm is provided with a soccer ball mounting device. An ins...	06/06/2006
6024657	Batting practice device A batting practice device for use by a person acting as a pitcher and another person acting as a batter. A pole has a first end placed on the ground and a second end held substantially vertically. The pole is longer than the height of the pitcher, but is ...	02/15/2000
5882270	Baseball batting practice device At improved centrifugal batting practice machine of the type having a tethered ball that is repeatedly revolved past a hitter by a generally horizontal rotating arm is disclosed. The rotating arm is mechanically coupled to a vertically disposed, motor-dri...	03/16/1999
5836836	Tethered ball batting practice machine The invention relates to an improved batting machine which presents a batter with a ball which is swung around in a generally circular path. The invention was designed to swing the ball in either a horizontal path or a path which is offset from horizontal...	11/17/1998
5806465	Pet toy An elongated arm is rotatably connected to a pivot shaft mounted between a base and a canopy. The elongated arm extends radially between the canopy and the base and extends beyond the perimeter of the base and the canopy. Attached to the free end of the a...	09/15/1998
5795251	Rotary batting practice apparatus Batting practice apparatus includes a variable speed motor connected to a rotatable shaft by a belt, and the rotatable shaft includes a pair of arms extending outwardly from the shaft. At the outer ends of the arms are cords connected to the shaft, and ba...	08/18/1998
5711724	Baseball batters warm-up device A baseball batters warm-up device apparatus comprises a ball carried by an arm that is rotateable on a shaft that is supported to a stabelized vertical post, where the arm can be counter rotated by hand or by electric motor, against an elastic energizer l...	01/27/1998
5660550	Soccer kick training device A soccer kicking practice device. The device has a movable platform or running surface, such as a motorized treadmill, for forcing the user to run while practicing, and a movable kick target, both the movable platform and movable target mounted on a stati...	08/26/1997
5494278	Hitting practice machine for ball games A ball hitting practice machine has a movable member and a ball carrying arm secured at one end to the movable member and carrying a ball at its opposite end. The ball carrying arm is at least partially flexible and the ball is permanently tethered to the...	02/27/1996
5275396	Portable batting practice machine A batting practice apparatus is provided wherein a ball is swung around a generally circular path in a forward direction and a user periodically swings a bat or racket in an attempt to hit the ball in the opposite direction. A DC drive motor has a shaft c...	01/04/1994
5228683	Baseball batters training device The invention relates to a baseball batting practice device having a support frame and a frame member mounted on the support frame. An electrical power source is provided for randomly starting and stopping the frame member during upward and downward movem...	07/20/1993
5184816	Hitting practice device A hitting practice device comprises a frame on which is mounted a rotatable arm. The arm is attached to a shaft which is driven by a motor also disposed in the frame. Attached to one end of the arm is a tethered ball such as a baseball or a tennis ball. T...	02/09/1993
5083775	Pitching machine Apparatus and method for mechanically "pitching" a ball to a batter for the purpose of batting practice. A ball tethered to the end of a cord is revolved about a motorized base unit. The batter approaches the operating machine and positions him or herself...	01/28/1992
5018729	Batting practice machine A batting practice machine comprising a generally flat horizontal base; a vertical frame; an adjustable, rotatable, outward extending arm; a line secured to the arm; a ball secured to the line; and a motor and drive mechanism for rotating the arm in a gen...	05/28/1991
4872675	Baseball pitching device The invention relates to a device which presents a batter with a moving ball simulating a ball which has been thrown or pitched. The device is designed to swing a tethered ball in a substantially horizontal path, thereby presenting a batter with a moving ...	10/10/1989
4815735	Pitching machine A tethered ball baseball pitching practice apparatus whereby the apparatus is comprised of a support base having a rotatable, vertically extending post attached thereto. Attached to the upper end of the post is one end of an elongated horizontally extendi...	03/28/1989
4573679	Water powered batting device The present invention is a baseball batting device in which a tethered ball is rotated by water propulsion, the water propulsion being provided by a nozzle coupled to an ordinary garden hose, the nozzle causing a squirrel cage to rotate, which in turn cau...	03/04/1986
3942794	Baseball batting practice device There is disclosed a baseball supported by a downwardly curved, semirigid, composite cord, which in turn normally extends forwardly from the normally forwardly disposed end of a pole, the rearward end being swingable connected to a swing structure. Guy wi...	03/09/1976

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Class 473/427 - Projectile continuously driven in closed orbit prior to being struck