CHAIN LOCK DEVICE FOR TRUNK COVER OR DOOR OF CAR

摘要

PURPOSE: To further improve operability in the same high safety in a locking device with an additional bolt acting on the closing element of a trunk cover or a door in parallel with a lock besides the lock capable of being released or locked by a lock cylinder for the trunk cover or door of a motor vehicle. CONSTITUTION: An additional bolt 8 is given bias pressure by a spring 9 in the direction of the place S of constraint, and formed so as to be able to be moved to its free place F by a free-play connection section SV through a linkage mechanism 7 against the force of the spring 9 mechanically by a lock cylinder 2.