Patent ID: 8246487
Filing Date: 2012-08-21
Classification: A63B

Abstract:
1. An iron-type golf club head comprising: a main body composed of a first metal material, the main body comprising a front wall, a sole wall, a toe wall extending upward from the sole wall at a first end of the sole wall, a hosel extending upward from the sole wall at a second end of the sole wall, a heel wall extending upward from the sole wall, a top wall extending from an upper end of the toe wall to an upper end of the heel wall, the top wall, the sole wall, the heel wall, the toe wall and the front wall defining a rear cavity, the rear cavity having a plurality of threaded projections projecting from a rear surface of the front wall, the plurality of threaded projections comprising a heel threaded projection, an upper toe threaded projection and a lower toe threaded projection, wherein the first metal material of the main body has a density between 4 g/cm at least one mass member attached to at least one of the plurality of threaded projections in the rear cavity of the main body, the at least one mass member a heel mass member attached to the heel threaded projection, an upper toe mass member attached to the upper toe threaded projection and a lower toe mass member attached to the lower toe threaded projection, each of the heel mass member, the upper toe mass member and the lower toe mass member composed of a second metal material having a density ranging from 12 g/cm