SAFETY LOCK-SWITCH SYSTEM FOR HOUSEHOLD BLENDERS

摘要

ABSTRACTElectric household blender having a base enclosing a motor todrive the tools of an auxiliary unit such as a carved element, wherein theauxiliary unit is anchored by lock bars arranged thereon to bolts provided onthe base. The bolts can be rotatably moved together with a ring mounted onthe base for the purpose of locking, which ring, in turn, cooperates with anoperating switch to turn the drive motor on and off and with a positioningmember, lock rod and lock fork. The lock bars are either rigidly arranged onthe auxiliary unit and formed in two pieces, or formed as one-piece, double-bent, flat pushers mounted in a movable manner in the housing of the auxiliaryunit. The operating switch and the lock bars can only be activated when thelock bolts have first entered into the recesses or lock bar in such a mannerthat the auxiliary unit is nonremovably locked in place.