Patent ID: 8632421
Filing Date: 2014-01-21
Classification: A63B,Y10T

Abstract:
1. A cavity-back iron-type golf club head comprising: a base surface; a perimeter-weighting element surrounding the base surface and having a top-line portion, a sole portion, a heel portion, and a toe portion such that each portion extends rearwardly from the base surface to define a main recess; a first cavity disposed within the main recess, the first cavity delimited by the base surface, the top-line portion of the perimeter weighting element and the heel portion of the perimeter weighting element; a second cavity disposed within the main recess and separated from the first cavity, the second cavity delimited by the base surface and the top-line portion of the perimeter weighting element; a third cavity disposed within the main recess and separated from the first cavity and the second cavity, the third cavity delimited by the base surface and the sole portion of the perimeter weighting element; a fourth cavity disposed within the main recess and separated from the first cavity, the second cavity and the third cavity, the fourth cavity delimited by the base surface and the toe portion of the perimeter weighting element; and a one-piece rear insert having a first portion disposed in the first cavity and covering an entirety of the portion of the base surface delimiting the first cavity, a second portion disposed in the second cavity and covering an entirety of the portion of the base surface delimiting the second cavity, a third portion disposed in the third cavity and covering the entirety of the portion of the base surface delimiting the third cavity, and a fourth portion disposed in the fourth cavity and covering the entirety of the portion of the base surface delimiting the fourth cavity.