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US 5,289,865 AGranted
One-body precision cast metal wood
OwnerDonald J. C. Suninventor
Life of this patent
Estimating the term…
Abstract
A golf club metal wood head comprising a shell having a ball striking front face, a top wall, a bottom wall, and rear wall, and toe and heel walls, the combination comprising multiple ports in the bottom wall, the ports opening to the bottom wall exterior, and multiple inserts of different weight received into the ports from the exterior and connected to the bottom wall, the inserts having weights selected for golf club balance and swing adjustment.
Claims7
In the method of making a golf club head comprising a shell having a ball striking face, a top wall, a bottom wall, a rear wall, and toe and heel walls, the steps that include
- a) forming a head core consisting of particles of sand or the like in a binder,
- b) and casting molten lightweight metal about said core to form the shell walls,
- c) forming multiple ports in said bottom wall by supporting rods to project into the core and by casting said metal about said rods, and removing the rods,
- d) removing at last part of the core via one of said ports, and then connecting metal inserts into said shell at said ports.
1 more element
Dependencies are inferred from the claim text.