| 摘要 |
PROBLEM TO BE SOLVED: To Not to open a front door recklessly, to easily open the front door when a lock is released and to facilitate money collection, merchandise replenishment and the other maintenance by making a pair of posts and a constraining arm of angular steel pipes as a whole and making the free end being the other end of the constraining arm attachable and detachable with a locking device in front of the other post. SOLUTION: In a pair of posts 1a and 1b holding both sides of an automatic vending machine, etc. between them, their lower edges can be fixed to a supporting base in a self-standing way under the automatic vending machine, etc. a horizontally U-shaped constraining arm 10 is provided so as to connect the pair of the posts 1a and 1b with both edge parts 11a and 11b parallel with each other, and its middle crossbar part 15 is formed firmly with an angular steel pipe, etc. The arm 10 is turned around a pivot 12, and when the free end 14 of the other edge part 11b of the arm 10 is hung on a locking device 10 provided in the post 1b, the arm 10 can not be opened so that the front door of the automatic vending machine, etc. can not be opened.
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