Patent ID: 6699139
Filing Date: 2004-03-02
Classification: A63B

Abstract:
A device for use in a state fixed on a golf club head in order to ascertain a straight direction, said device comprising a body having a dimension for removably coupling to a top face of said golf club head, wherein said body has a top face, a bottom face, a leading edge and a trailing edge and includes a first visual indicator point and a second visual indicator point arranged on a front side on said top face of said body toward said leading edge and a third visual indicator point arranged on a back side on said top face of said body toward said trailing edge, wherein:said first and second visual indicator points on said front side are located on a right side and a left side on a line laying substantially parallel to a hitting face of said golf club head; said third visual indicator point is located almost at a back end of a center line extending between said first and second visual indicator points; and said first, second and third visual indicator points being visually distinguishable on said top face of said body and being visually distinguishable from each other.