Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings

Child Classifications

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• A63B 51/001
• A63B 51/002
• A63B 51/004
• A63B 51/005 Devices for measuring the tension of strings (for controlling the tension during stringing A63B51/14)
• A63B 51/01 Pre-woven string-sets ready for insertion into a frame
• A63B 51/015 String-aligning tools
• A63B 51/02 Strings; String substitutes; Products applied on strings, e.g. for protection against humidity or wear
• A63B 51/06 Double-sided stringing
• A63B 51/08 Diagonal stringing
• A63B 51/10 Reinforcements for stringing
• A63B 51/12 Devices arranged in or on the racket for adjusting the tension of the strings
• A63B 51/14 Arrangements for stringing, e.g. for controlling the tension of the strings during stringing