发明申请
US20110165963A1 GOLF CLUB HEAD WITH NARROW-SPACED GROOVES 审中-公开
高尔夫俱乐部头与NARROW-SPACED GROOVES

GOLF CLUB HEAD WITH NARROW-SPACED GROOVES
摘要:
An iron-type golf club head with a body having a face. On the face is a plurality of grooves. The plurality of grooves has a depth of at least 0.016 inch to 0.022 inch and a width ranging from 0.021 inch to 0.027 inch. Further, each of the plurality of grooves has an edge radius ranging from 0.004 inch to 0.009 inch. Each of the plurality of grooves has a side wall angle ranging from 16 degrees to 24 degrees and each of the plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other of the plurality of grooves.
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