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Show Automatic Fasteners to Hold Garage Doors Open A simple device for holding Knriifto doors open automatically Is Illustrated liclow. Two swivel liolts are made ns detailed and fastened through the lintel lin-tel or head Jamb of the door. They are free to turn ns the Ion locking bars puss through the slots In them. When the doors nre opened the required dis- VUM.I sects r ,0 door unto-. 7- 5.'POl7rfV LOCKING DAR5 NT Nil WM'm ridrl DOOR SMUT DOOR OPEN LVJ AND LOCKtO ANDLOCKE.0 Even In a High Wind the Heavy Garage Doors Are Prevented Automatically Auto-matically From Closing. tance, notches In the bars engage the bolls and net ns a catch. The bars then will hold the doors open against the strongest wind. If the garage has a side entrance, the same bars also may be used as a lock. It. Is necessary merely to cut a second notch In each bar as shown, and enlarge the pivot hole to an oval. Chains or boll cords fastened to the ends of the bars and missed over mil- leys provide convenient means for unlocking un-locking the doors. F. N. C, In Popular Popu-lar Science Monthly. |