| 摘要 |
A utility golf club wood is provided with a single fragmental spherical, preferably less than hemispherical, projection or bump on the central portion on the bottom or sole behind the sweet spot of the impact face to minimize the size of divots when the club head is swung through the turf while at the same time accommodating wide variations in the angle of the club swing and the inclination of the club head. The single projection presents the same circular contour to the turf regardless of wide variations in the angle of swing thereby accommodating the fade and draw shots and also accommodates front to rear rocking of the club head to accommodate variations in the pitch angle of the club face. The club is thus useful for many different shots both in the rough and on the fairway. The single round bump or projection adds mass behind the sweet spot of the club face without materially increasing the weight of the club head and at the same time reduces the turf drag to produce longer and more accurate drives. The single round bump is surrounded by a rim or margin of substantially flat bottom surface of the club head.
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