Patent ID: 7780112
Filing Date: 2010-08-24
Classification: A47K,Y10T

Abstract:
1. Lock mechanism for a dispenser in combination with an exchangeable roll of material, the roll being provided with at least one end plug with a bearing pin for mounting the roll to the lock mechanism of the dispenser, comprising: a lock housing with a guide slot for insertion of the bearing pin, the guide slot having a first section with a first width and a second section with a second width which is smaller than the first width, the first section and second section being arranged in a direction perpendicular to a longitudinal extension of the guide slot and in a longitudinal direction of the bearing pin to be received; a sliding element mounted to the lock housing and movable between a first position closing or narrowing the guide slot and a second position opening the guide slot; a lock element rotationally mounted to the sliding element and rotationally movable around an axis of rotation between a locked position and an unlocked position; the lock element being provided with an engagement portion which, in the locked position, is engaged with a locking means of the lock housing.