Golf club set

• US 10,639,525 B2
• Filed: 03/06/2019
• Issued: 05/05/2020
• Est. Priority Date: 03/13/2018
• Status: Active Grant

• Current Assignee: Sumitomo Rubber Industries Limited
• Original Assignee: Sumitomo Rubber Industries Limited
• Inventors: Ueda, Naoyoshi, Ueda, Masahiko, Oyama, Shimpei, Nagano, Yuki, Hanamitsu, Satoru, Hirano, Tomoya, Kii, Kenji, Abe, Hiroshi, Sugimoto, Yasushi
• Primary Examiner(s): Simms, Jr., John E
• Application Number:
  US16/293,933
• Publication Number:
  US 20190282862A1
• Time in Patent Office: 426 Days
• CPC Class Codes: A63B 2053/0479 Wedge-type clubs, details thereof
• CPC Class Codes: A63B 2220/35 Spin
• CPC Class Codes: A63B 53/005 Club sets
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0445 Details of grooves or the like on the impact surface
• CPC Class Codes: A63B 53/047 iron-type

Abstract

A golf club set includes a plurality of golf clubs 1 having different loft angles. The golf clubs 1 include at least one 1st golf club 1A having a loft angle of less than 34 degrees, and at least one 2nd golf club 1B having a loft angle of not less than 34 degrees. Each of the at least one 1st golf club 1A and the at least one 2nd golf club 1B comprises a clubface 3 provided with a plurality of face grooves 8 having a depth. The depth of the face grooves 8 of the at least one 2nd golf club 1B is larger than the depth of the face grooves 8 of the at least one 1st golf club 1A.

Claims

1. A golf club set including a plurality of golf clubs having different loft angles, wherein

the golf clubs include at least one low-number golf club having a loft angle of less than 26 degrees, at least one middle-number golf club having a loft angle of not less than 26 degrees and less than 39 degrees, and at least one high-number golf club having a loft angle of not less than 39 degree,

wherein

each of said at least one low-number golf club, said at least one middle-number golf club and said at least one high-number golf club comprises a clubface provided with a plurality of face grooves having a pitch,

the pitch of the face grooves of said at least one high-number golf club is smaller than the pitch of the face grooves of said at least one middle-number golf club, and

the pitch of the face grooves of said at least one middle-number golf club is smaller than the pitch of the face grooves of said at least one low-number golf club,

wherein

the pitch of the face grooves of said at least one high-number golf club is not more than 3.30 nm.

2. The golf club set according to claim 1, wherein

the pitch of the face grooves of said at least one low-number golf club is not less than 3.40 mm.