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Exercise Devices2

Ball-pitching-machine

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Ball pitching machine

Details

Inventors: Sherlock, Sue M.; Squibb, Neal C.;
Assignee: American Sports International, Ltd. (Jefferson, IA)
Primary Examiner: Rimell; Sam
Assistant Examiner:
Attorney, Agent or Firm: Zarley, McKee, Thomte, Voorhees & Sease

A ball pitching machine includes a head assembly for ejecting a ball therefrom, operably mounted on a vertically extensible piston to permit selective vertical adjustment of the head assembly on a base assembly. The base assembly includes an upright tubular mast within which the piston is slidably journaled, the mast having a plurality of legs supporting the mast above the ground. A lock mechanism on the mast permits selective securement of the piston within the mast. The head assembly has a mounting bracket rotatably connected to the forward end of an elongated handle to permit selective rotation of the head assembly about the axis of the handle. The handle has a shaft rotatably mounted in a bracket on the upper end of the piston, permitting selective rotational movement of the handle about the shaft on the piston. The shaft on the handle is mounted orthogonal to the longitudinal axis of the handle and orthogonal to the axis of the piston, thereby permitting selective adjustable movement of the head assembly about three orthogonal axes. The head assembly includes first and second rotating pitching wheels mounted on coplanar support plates which are slidably mounted for selective movement towards and away from one another in the same plane, to permit selective adjustment of the space between the pitching wheels.

DETAILED DESCRIPTION It is therefore a general object of the present invention to provide an improved ball pitching machine.
A further object is to provide a ball pitching machine which permits vertical adjustment of the pitching heads without changing the angle of elevation or rotation of the pitching heads.
Another object of the present invention is to provide a pitching machine which quickly and easily adjusts to various ball sizes.
Still another object is to provide a pitching machine which is easily adjusted along a vertical axis and along its axis of elevation.
These and other objects of the present invention will be apparent to those skilled in the art.
The ball pitching machine of the present invention includes a head assembly for ejecting a ball therefrom, operably mounted on a vertically extensible piston to permit selective vertical adjustment of the head assembly on a base assembly.
The base assembly includes an upright tubular mast within which the piston is slidably journaled, the mast having a plurality of legs supporting the mast above the ground.
A lock mechanism on the mast permits selective securement of the piston within the mast.
The head assembly has a mounting bracket rotatably connected to the forward end of an elongated handle to permit selective rotation of the head assembly about the axis of the handle.
The handle has a shaft rotatably mounted in a bracket on the upper end of the piston, permitting selective rotational movement of the handle about the shaft on the piston.
The shaft on the handle is mounted orthogonal to the longitudinal axis of the handle and orthogonal to the axis of the piston, thereby permitting selective adjustable movement of the head assembly about three orthogonal axes.
The head assembly includes first and second rotating pitching wheels mounted on coplanar support plates which are slidably mounted for selective movement towards and away from one another in the same plane, to permit selective adjustment of the space between the pitching wheels

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