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US 2003/0144076 A1Published application
Golf putter head
AssigneeFine Earth Enterprise Ltd.
InventorWan Wu
Life of this patent
Estimating the term…
Abstract
A golf putter head comprises a main head body, a striking surface and a rear part. A cavity is formed at a central part of the rear part, and two protrusions are formed at both ends of the rear face. A base of the cavity is designed into a thin shaped structure. A center of gravity of the putter head is shifted behind the striking surface and the weight of the putter head is shifted to both its ends.
Claims8
A golf putter head comprising:
- a main head body having a striking surface and a rear part, a central part of the rear part having a cavity and the cavity has a slope-shaped base with an upper section, a central section and a lower section, the upper section is thinner than the lower section, wherein the thickness of the upper section being approximately between 0.4 mm to 1.5 mm, a thickness of the central section is approximately between 1.0 to 10 mm, and the thickness of the lower section is approximately between 1 mm and 2.3 mm;
- and
- two protrusions formed at both ends of the rear part.
Dependencies are inferred from the claim text.