Alignment device for golf clubs

Claim 1

A golf club head for an iron including a ball striking surface having a center of percussion, an undersurface and means to enable alignment of the user's eyes with the line of desired motion of the golf ball and in a plane containing the line which is oriented at a predetermined angle from horizontal, said means include: a pair of spaced, facing wall surfaces oriented at right angles to and behind the ball striking surface and at the predetermined angle from horizontal, said wall surfaces being parallel to define a slot and they extend rearwardly behind the ball striking surface in alignment with the center of percussion; a back surface at an angle opposite from horizontal from said ball striking surface so that said head has a generally triangular cross-section; a top surface adjacent said back surface, said facing wall surfaces forming a notch which extends partially down said back surface from said top surface; and at least one indicia line extending along said back surface in a position to be visually aligned with said notch, said indicia line being at an angle from vertical when said club undersurface is resting properly on the ground.