(EN)
Disclosed are lock nuts (100) and (100a) for preventing a leg bolt (4) from loosening from a leg assembly supporting electric home appliances, and a wrench (500) for loosening or tightening the lock nuts (100) and (100a). The lock nuts (100) and (100a) includes a hub having a screw hole (111), a plurality of ribs extended in a radius direction from a circumferential surface of the hub, and having sides (125) and (125a) over which the wrench (500) or a finger is hooked, and supplementary member (130) provided allowing the wrench or finger to access form the radius direction of the hub to the sides (125) and (125a), and coupling the ribs (120). The wrench (500) includes a long grip having at least one projection (550) and (560) on an outer circumferential surface thereof, and a box end (530) or an open end (520) provided at either of both ends thereof.
(ZH) 本文所披露的是用于防止支脚螺栓(4)从支撑家用电器的支脚组件上松脱的锁紧螺母(100)和(100a)，以及用于松开或拧紧锁紧螺母(100)和(100a)的扳手(500)。锁紧螺母(100)和(100a)包括具有螺孔(111)的毂；多个肋，这些肋从该毂的圆周表面沿径向延伸，并具有可以将扳手(500)或手指钩在其上面的侧面(125)和(125a)；以及辅助构件(130)，其允许扳手或手指从该毂的径向接近到侧面(125)和(125a)，并且该辅助构件与肋(120)接合。扳手(500)包括长手柄，在该长手柄的外圆周表面上至少具有一个突出部(550)和(560)；以及箱形端(530)或开口端(520)，设置在其两个端部的任一端部上。
