E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 65/10 (2006.01)
Patent
CA 2498908
This invention is designed to keep swing doors closed and not be opened from the outside. It consists of a metal flat-bar and a metal base plate. There is a slot in the longitudinal centre line of the bar and 5 holes on the base plate. The base plate is mounted with four screws onto the vertical doorframe on the swing door opening side. The bar is manually operable and mounted slidably with a tapping screw going through the slot, a washer and the hole of the base plate onto the doorframe. To stop the door from opening, push the bar horizontally all the way in between the two tapping screws on the base plate. When the bar is pulled out from the two tapping screws and placed vertically, the door can be swung open as desired.
Lui Albert Yuk-Wah
Na
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