Abrégé

A string adjustment device, a carbon rod shoe, a lace-up shoe, and a backpack. The string adjustment device (1000) comprises a base (1), a knob assembly (2), and elastic members (3); a mounting recess (11) and string passing holes (131) are formed in the base (1); the string passing holes (131) run through the inner side wall of the mounting recess (11) and the outer wall of the base (1); the base (1) is provided with an engagement portion (14) in the mounting recess (11); the knob assembly (2) is rotatably arranged in the mounting recess (11); the knob assembly (2) is provided with a winding groove (231) and a driving portion (211); the winding groove (231) is communicated with the string passing holes (131) to form a string accommodating channel; the elastic members (3) are disposed in the mounting recess (11); the elastic members (3) abut against the engagement portion (14) for position limiting; and the knob assembly (2) can rotate relative to the base (1) in a first direction or a second direction, and is separated from the engagement portion (14) after the driving portion (211) abuts against the elastic members (3) to deform.

Classes IPC  ?

• A43C 11/02 - Fermetures à boutons
• A43C 11/14 - Fermetures à pinceFermetures à pince et boucle de serrageFermetures à levier de serrage
• A43B 3/00 - Chaussures caractérisées par la forme ou l'utilisation
• A45F 3/04 - Sacs ou paquetages portés sur le corps au moyen de deux courroies passant sur les épaules
• A45C 13/00 - PORTE-MONNAIEBAGAGESSACS PORTÉS À LA MAIN Parties constitutivesAccessoires