REMOTE CONTROL ARM TYPE VESTIBULE OPTIONAL LOCK

摘要

PROBLEM TO BE SOLVED: To overcome the problem in an optional lock arm type of a vestibule lock manually lockable in a house but not lockable from the outdoors. SOLUTION: The arm type lock of the vestibule lock is provided with a radio type remote control to allow locking/unlocking from the outside. COPYRIGHT: (C)2004,JPO&NCIPI