Patent ID: 8152651
Filing Date: 2012-04-10
Classification: A63B

Abstract:
1. A golf club head, comprising: a body portion defining a perimeter weight and constructed of a first material; a hitting face disposed at the front of the body portion; a channel defined by a portion of the perimeter weight, at least a portion of the channel being fully circumscribed by the perimeter weight and a back surface of the face; at least one opening in the body portion adjacent to the channel, the opening located at a back of the body portion; wherein a part of the channel is not exposed by the at least one opening; said at least one opening comprising a first opening positioned near a top line of the body portion and a second opening positioned near a sole of the body portion; a second material disposed in at least a portion of the channel, wherein the second material is different from the first material; a third material disposed in at least a portion of the channel, wherein the third material is different from the first and second materials; and wherein said second material is exposed by said first opening, and said third material is exposed by said second opening.