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Single-Sided Door Knob / Door Knob

Single-Sided Door Knob
Single-Sided Door Knob

Single-sided door knob is an inside control door knob; the outside trench will become sealed off when the inside door is locked, at this time the door can not be open from the outside. On the other hand, the outside trench will appear when the inside door is unlocked, at this time people can open the door on both side. There are two characteristic of Single-sided door. Firstly, it is inside control only. Secondly, it is appear the usage condition. According to these characters the single-side door is especially suitable for the restroom or fitting room.


National Cheng Kung University

National Cheng Kung University
Tainan, Taiwan

Wei-Jhih Jhao,
National Cheng Kung University