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US 5,312,107 AGranted
Golf club swing training and exercise device
AssigneeKordun, Ltd.
InventorsNed Gvoich, John S. Moroz
Life of this patent
Estimating the term…
Abstract
A golf swing training and muscle exercising device for a full-range of motion golf swing including a rotatable ring rotatable within a stationary ring; a golf club holder sub-assembly for providing hydraulic isokinetic resistance to rotation of the rotatable ring; and an electronic monitoring sub-assembly.
Claims27
An exercise device adapted for use by a person, comprising:
- a first ring having a predetermined diameter, an inner surface, and an outer surface;
- a second ring concentric to the first ring and rotatably retained by the first ring;
- means for providing isokinetic resistance to rotation of the second ring;
- whereby a person applying torque in a first direction of rotation causes rotation of the second ring in the first direction of rotation against the isokinetic resistance.
1 more element
A golf swing training and muscle exercise device adapted for use by a person comprising:
- a first arcuate member;
- a second arcuate member concentric to and rotatably retained by the first arcuate member;
- means for rotating the second member through a full range of motion of a golf swing and in response to a torque applied to the second arcuate member;
- means for adjusting the maximum rotational speed of the second member;
- a base, adapted to support the person's weight when the base is horizontally disposed upon a floor;
- means for adjustably altering an elevational position of the second arcuate member with respect to the base;
- means for adjustably altering an angle of inclination of the second member with respect to the base, whereby a plane of rotation is determined;
- means for adjustably altering the azimuth of the plane of rotation with respect to a preselected radial direction;
- means for measuring force applied to the second member;
- means for displaying the magnitude of said measured force;
- and
- means for constraining the golf club swing to an arc in a plane substantially parallel to the plane of rotation of the second member.
9 more elements
An apparatus for constraining the head of a golf club during a full-range of motion golf swing, comprising:
- a stationary ring having a predetermined diameter, an inner surface, and an outer surface, and disposed in a selected plane;
- a rotatable ring having an inner surface and an outer surface;
- the outer surface coplanar with and in close proximity to the inner surface of the stationary ring;
- and the rotatable ring rotatably retained by the stationary ring;
- a golf club holder having first and second struts, the struts each having first and second ends and predetermined lengths, the first ends joined at a common apex, the second ends rigidly attached to the rotatable ring, and the struts disposed in a plane non-parallel to the plane of rotation of the rotatable ring.
2 more elements
Dependencies are inferred from the claim text.