APPARATUS FOR CLEANING SURFACE OF BUILDING

摘要

PURPOSE: A building wall cleaning apparatus capable of coping with unevenness on the outer wall surface of a building is provided to prevent recontamination of a raised portion by descending at constant speed along the raised portion. CONSTITUTION: A building wall cleaning apparatus comprises an arm unit(12) which is extended from the backside of a wiper member(10) and coupled with a moving member(11) to move the wiper member toward or back from the outer wall of a building, and a guide member(21) which is integrally installed on the front side of a body(20). The moving member is locked vertical to the guide member and moved relative to the guide member when contact of the wiper member to a raised portion is detected.