Multi-component golf club head

Abstract

A golf club head comprising two components, wherein the first component comprises a ball striking surface, a striking face return, and a sole extension with a mass portion. And wherein the second component comprises a lower density material, comprising part of the crown and part of the sole. The first component mass portion comprises between 20% and 35% of the mass of the golf club head. The mass portion comprises a weight port that comprises a plurality of tabs and is configured to receive a detachable sole weight. The detachable sole weight comprises a plurality of weight offsets and a plurality of side grooves configured to receive the plurality of tabs.

What is claimed is: 
     
         1 . A golf club head comprising a body:
 the body comprising a striking face defining a striking face center,   a rear end,   a toe end,   a heel end,   a crown,   a sole,   a trailing edge,   wherein an X-axis extends through the striking face center in a direction from the heel end to the toe end of the golf club head, and parallel to a ground plane when the club   a Y-axis extends through the striking face center in a direction from the crown to the sole of the golf club head, and perpendicular to the X-axis,   a Z-axis extends through the striking face center in a direction from the striking face to the rear end and perpendicular to the X-axis and the Y-axis, and   a YZ plane extends through the Y-axis and the Z-axis,   a second component comprising at least a portion of the rear end, wherein:   the first component comprises a first material having a first density;   the second component comprises a second material having a second density;   the first density is greater than the second density;   the striking face return of the first component extends rearwardly from the striking face and comprises a first component crown portion, and   a first component sole portion;   wherein a first component sole portion rear extension extends from the first component sole portion of the striking face return toward the rear end,   wherein the first component sole portion of the striking face return and the first component sole portion rear extension form a T-shaped profile,   wherein the second component is configured to be coupled to the first component to form an enclosed hollow interior of the golf club head;   wherein the first component sole portion rear extension extends rearwards making an acute angle in relationship to an axis perpendicular to the strike face,   wherein the first component sole portion rear extension comprises a mass portion,   wherein the mass portion comprises a weight port proximate the trailing edge,   wherein the weight port is configured to receive a detachable sole weight, and   wherein the mass portion comprises between 20% and 35% of a total mass of the golf club head   wherein:
 the weight port comprises a plurality of tabs; 
 the detachable sole weight comprises a plurality of side grooves and a plurality of weight offsets protruding away from the detachable weight; 
 the side grooves are configured to receive the plurality of tabs. 
   
     
     
         2 . The golf club head of  claim 1 , wherein the YZ plane bisects the mass portion. 
     
     
         3 . The golf club head of  claim 1 , wherein the mass portion further comprises an interior forward edge, and a detachable weight recess having a detachable weight recess interior forward edge. 
     
     
         4 . The golf club head of  claim 3 , wherein one or more mass portion interior ribs are attached to the mass portion detachable weight recess interior forward edge. 
     
     
         5 . The golf club head of  claim 4 , wherein the one or more mass portion interior ribs comprises one rib, two ribs, three ribs, four ribs, five ribs, or more than five ribs. 
     
     
         6 . The golf club head of  claim 4 , wherein the mass portion interior ribs further comprise an interior rib height, and interior rib width, and an interior rib length,
 wherein the interior rib width is 0.025 inch to 0.100 inch,   wherein the interior rib length is 0.100 inch to 1.500 inches.   
     
     
         7 . The golf club head of  claim 6 , wherein the detachable weight recess further comprises a detachable weight recess depth; and
 the interior rib height is 25% to 100% of the detachable weight recess depth.   
     
     
         8 . The golf club head of  claim 1 , wherein the mass portion further comprises:
 a mass portion maximum height;   a mass portion interior length;   a vertical lip having a vertical lip height and a vertical lip length;   a mass portion trailing edge shelf having a shelf length, a shelf height, and a shelf width,   an interior forward boundary;   a heel side external boundary, a toe side external boundary; and   a forward external boundary.   
     
     
         9 . The golf club head of  claim 8 , wherein the mass portion maximum height comprises a mass portion maximum thickness of 0.40 inch to 0.70 inch. 
     
     
         10 . The golf club head of  claim 9 , wherein:
 the mass portion decreases in thickness near the heel side external boundary;   the mass portion decreases in thickness near the toe side external boundary; and   the mass portion decreases in thickness near the forward external boundary.   
     
     
         11 . The golf club head of  claim 1 , wherein the first component of the body comprises a lip offset toward an interior of the golf club head to define a lip surface recessed from a first component outer surface; wherein:
 the lip entirely encompasses a rearward facing edge of the first component of the body; and   a depth of recession of the lip is between 0.01 inch and 0.50 inch.   
     
     
         12 . The golf club head of  claim 11 , wherein the second component comprises a second component front edge extending over the lip surface to form a lap joint between the first component and the second component. 
     
     
         13 . The golf club head of  claim 1 , wherein:
 a first component sole portion toe end extension extends 1.50 inches to 2.00 inches from a center near the strike face towards the toe end; and   a first component sole portion heel end extension extends 0.90 inch to 1.40 inches from the center near the strike face towards the heel end.   
     
     
         14 . The golf club head of  claim 13 , wherein:
 a width of the first component sole portion toe end extension varies from the center near the strike face toward the toe end; and   a width of the first component sole portion heel end extension varies from the center near the strike face towards the heel end.   
     
     
         15 . The golf club head of  claim 1 , wherein the first component comprises titanium. 
     
     
         16 . The golf club head of  claim 13 , wherein the first component sole portion rear extension is offset relative to the YZ plane in a direction that is parallel to the X-axis toward the toe end. 
     
     
         17 . The golf club head of  claim 1 , wherein the first component sole portion rear extension is offset relative to the YZ plane in a direction that is parallel to the X-axis toward the heel end. 
     
     
         18 . The golf club head of  claim 1 , wherein the acute angle is between 10 degrees and 40 degrees from the axis perpendicular to the strike face. 
     
     
         19 . The golf club of  claim 1 , further comprising an internal rib having an internal rib height; wherein the weight port comprises a depth; and wherein the internal rib height ranges from 25% to 100% of the depth of the weight port. 
     
     
         20 . The golf club of  claim 1 , wherein the plurality of detachable sole weight offsets is configured to space the detachable sole weight from an interior surface of the weight port.