SET OF GOLF CLUBS, GOLF CLUB HEAD (VERSIONS) AND GOLF CLUB HEAD MANUFACTURE METHOD Russian patent published in 1998 - IPC

FIELD: sports equipment. SUBSTANCE: set has golf clubs, each having enclosure with tip and heel parts, front wall defining surface adapted for ball striking and upper and bottom walls. Ball striking surfaces of golf clubs have different angles of inclination relative to vertical plane. Bottom wall of each golf club has central connecting member and two concave like slots. One slot is positioned between connecting member and heel part and other slot is disposed between connecting member and tip part of enclosure. Slots are concentrated behind front wall. One slot has arced peripheral edge curved toward heel part and other slot has arced peripheral edge curved toward tip part. Surface inclined backward and upward is disposed behind connecting member. Edge of this surface and two concave slots define set of arcs on bottom surface, with convexity of arcs being oriented upward. EFFECT: increased efficiency and simplified construction. 32 cl, 49 dwg