Head for iron type golf club
First Claim
1. A head for an iron type golf club, comprising a head body portion including a plate-shaped face wall portion of approximately 2 mm to approximately 3.5 mm in thickness and a shaft connecting portion, said face wall portion having a rear surface weighted in four corners thereof with weighting projections at toe side upper and lower portions and heel side upper and lower portions, wherein a distance A between outer peripheral ends of said projections on an upper side of said rear surface of said head, a distance B between opposed surfaces of said projections on said upper side of said rear surface of said head, a distance C between outer peripheral ends of said projections on a sole side of said rear surface of said head, a distance D between opposed surfaces of said projections on said sole side of said rear surface of said head, a distance E between outer peripheral ends of said projections on said toe side of said rear surface of said head, a distance F between opposed surfaces of said projections on said toe side of said rear surface of said head, a distance G between outer peripheral ends of said projections on said heel side of said rear surface of said head, and a distance H between opposed surfaces of said projections of said heel side of said head meet the requirements of 90%≧
- B/A≧
40%, 90%≧
D/C≧
40% 90%≧
E/F≧
30% and 90%≧
H/G≧
30%.
2 Assignments
0 Petitions
Accused Products
Abstract
A head body portion comprises a plate-shaped face wail portion of approximately 2 mm to approximately 3.5 mm in thickness and a shaft connecting portion. The face wall portion is provided with weighting projections at four places thereof, toe side upper and lower portions and heel side upper and lower portions of a rear portion thereof.
203 Citations
13 Claims
-
1. A head for an iron type golf club, comprising a head body portion including a plate-shaped face wall portion of approximately 2 mm to approximately 3.5 mm in thickness and a shaft connecting portion, said face wall portion having a rear surface weighted in four corners thereof with weighting projections at toe side upper and lower portions and heel side upper and lower portions, wherein a distance A between outer peripheral ends of said projections on an upper side of said rear surface of said head, a distance B between opposed surfaces of said projections on said upper side of said rear surface of said head, a distance C between outer peripheral ends of said projections on a sole side of said rear surface of said head, a distance D between opposed surfaces of said projections on said sole side of said rear surface of said head, a distance E between outer peripheral ends of said projections on said toe side of said rear surface of said head, a distance F between opposed surfaces of said projections on said toe side of said rear surface of said head, a distance G between outer peripheral ends of said projections on said heel side of said rear surface of said head, and a distance H between opposed surfaces of said projections of said heel side of said head meet the requirements of 90%≧
- B/A≧
40%, 90%≧
D/C≧
40% 90%≧
E/F≧
30% and 90%≧
H/G≧
30%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- B/A≧
Specification