A combination lock for suitcases, luggage and the like of a simplified construction has a knob with three positions: a locking position, an unlocking position and a third position for changing the combination code of the lock. In order to prevent undesired entry into the code-changing position, a blocking...http://www.google.es/patents/US4722208?utm_source=gb-gplus-sharePatente US4722208 - Combination lock for suitcases, luggage and the like
Combination lock for suitcases, luggage and the like