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US 6,974,394 B1Granted
Putter head
AssigneeCallaway Golf Company
InventorsLarry G. Tang, Augustin W. Rollinson
Life of this patent
Estimating the term…
Abstract
A putter-type club head (20) has a body (22) that is preferably composed of a material having a density ranging from ranging from 2.0 g/cm3 to 3.0 g/cm3. The body (22) has a plurality of mass ports (50, 52 and 54) and a plurality of mass members (56, 58, and 60), each of which is located in a respective mass port. The body (22) further includes a heel aperture (34) and a toe aperture (36).
Claims9
A putter-type club head comprising:
- a body comprising a front section, an aft section, a heel section, a toe section and a central section, the body having a heel aperture defined by the heel section, central section, front section and aft section, the body having a toe aperture defined by the toe section, central section, front section and aft section, a face wall of the front section having a first mass port and a second mass port, a sole wall of the central section having a third mass port;
- a first mass member disposed in the first mass port;
- a second mass member disposed in the second mass port;
- a third mass member disposed in the third mass port;
- and
- a crown plate placed within a recess within the central section of the body;
- wherein the putter-type club head has a moment of inertia about the Iyy axis through the center of gravity of the club head of at least 500 g-cm2.
4 more elements
A putter-type club head comprising;
- a body comprising a front section, an aft section, a heel section, a toe section and a central section, the body having a heel aperture defined by the heel section, central section, front section and aft section, the body having a toe aperture defined by the toe section, central section, front section and aft section, a face wall of the front section having a first mass port and a second mass port, a sole wall of the central section having a third mass port;
- a first mass member disposed in the first mass port;
- a second mass member disposed in the second mass port;
- a third mass member disposed in the third mass port;
- wherein the putter-type club head has a moment of inertia about the Iyy axis through the center of gravity of the club head of at least 500 g-cm2;
- wherein the sole wall of the central section has a slot proximate to the front section.
3 more elements
A putter-type club head comprising:
- a body comprising a front section, an aft section, a heel section, a toe section and a central section, the body having a heel aperture defined by the heel section, central section, front section and aft section, the body having a toe aperture defined by the toe section, central section, front section and aft section, a face wall of the front section having a first mass port and a second mass port, the central section having a third mass port and a fourth mass port, the body has a mass ranging from 200 grams to 1000 grams;
- a first mass member threadingly engaged in the first mass port;
- a second mass member threadingly engaged in the second mass port;
- a third mass member threadingly engaged in the third mass port;
- a fourth mass member threadingly engage in the fourth mass port;
- and
- a crown plate disposed on the central section, the crown plate composed of a non-metallic material.
4 more elements
Dependencies are inferred from the claim text.