Golf club head with adjustable center of gravity
First Claim
1. A golf club head comprising:
- a body comprising a channel;
an expandable weight disposed, and movable to any point, within the channel; and
a cover fixture,wherein affixing the cover fixture to the body traps the expandable weight within the channel,wherein the expandable weight comprises an upper portion composed of a metal material, a middle portion composed of a polymeric material, a lower portion composed of a metal material, and a bolt, andwherein expanding the weight reversibly fixes it in place within the channel.
7 Assignments
0 Petitions
Accused Products
Abstract
A golf club head comprising a channel and an expandable weight that can be removably fixed at any point within the channel is disclosed herein. The weight comprises at least an upper portion, a middle portion, a lower portion, and a bolt, and the upper portion and lower portion preferably are formed of metal materials while the middle portion preferably is formed of a polymeric material. The weight preferably is trapped within the channel so that it cannot fall out of the channel during use. The channel may also have an end that opens into a port, which can be filled with a plug or weight screw to prevent the weight from falling out of the channel, and also can be removed so that the weight can be removed and replaced with another expandable weight having a different overall mass.
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Citations
18 Claims
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1. A golf club head comprising:
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a body comprising a channel; an expandable weight disposed, and movable to any point, within the channel; and a cover fixture, wherein affixing the cover fixture to the body traps the expandable weight within the channel, wherein the expandable weight comprises an upper portion composed of a metal material, a middle portion composed of a polymeric material, a lower portion composed of a metal material, and a bolt, and wherein expanding the weight reversibly fixes it in place within the channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A driver-type golf club head comprising:
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a composite crown; a metal body comprising a face, a sole, and a channel; an expandable weight comprising; a metal upper portion comprising a first through bore, an upper recess, a lower recess, and a ledge; a polymeric middle portion comprising a second through bore; a metal lower portion comprising a third through bore; and a bolt comprising a head and a threaded portion; and a cover fixture removably affixed to the sole to retain the expandable weight within the channel, wherein expanding the weight reversibly fixes it in place at any of a plurality of locations within the channel. - View Dependent Claims (16, 17, 18)
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Specification