US 7,419,441 · Granted 2008-09-02
How TaylorMade's Moveable Weight System Changed Golf Club Design
TaylorMade figured out how to make golf club heads stronger by adding removable weights to specific ports in the club, then bracing those weights with internal fins or ribs. It's like customizing your club's balance by swapping out tiny metal pieces — kind of like tuning a skateboard deck.
The plain-English version
What it protects
The claim covers a golf club head design where weights can be inserted into dedicated ports (openings) in the club body, and those weights are held in place using fins or ribs that connect both the weight itself and another part of the club's structure. Anyone manufacturing a club with this specific arrangement of moveable weights anchored by internal bracing would be copying the patented geometry.
Why it matters
This patent gave TaylorMade a competitive edge in customization — golfers could adjust their club's weight distribution to match their swing style without buying a whole new club. The innovation became a selling point in the premium golf equipment market, where even tiny performance tweaks command price premiums. It also represents a shift toward modular, adjustable sports equipment design.
Real-world use
When a golfer adjusts the removable weights in the sole or heel of their TaylorMade driver between rounds, they're using technology locked down by this patent to fine-tune how the club performs on different courses.
Original USPTO abstract
A wood-type golf club head is described that includes a body including one or more walls defining an interior cavity and multiple weight ports formed in the body. At least one weight is configured to be retained at least partially within at least one of the weight ports. One or more fins or ribs are secured to each of the weight ports and to another structural member of the golf club head.
Patent details
- Publication number
- US 7,419,441
- Filing date
- 2005-02-24
- Grant date
- 2008-09-02
- Assignee
- Taylor Made Golf Company, Inc.
- Inventor(s)
- HOFFMAN JOSEPH H., WILLETT KRAIG A., BEACH TODD P., LORENTZEN JOHN F., SALIBA ALLAN C.
- CPC class
- A63B53/0466
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