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Revolving key / key

Revolving key
Revolving key

The door locked or unlocked?Forget to lock the door is a common phenomenon in people.
In daily life, many people doubt whether the door locked when they go out.. Especially the elderly and obsessive-compulsive disorder crowd, this gives them the psychological burden of produce. REVOLVING KEY has improved for this problem. The user convenient from the vision can judge whether door has been locked.
REVOLVING KEY into KEY handle and KEY blade two parts.Use open or close the door rotation direction different principle, judge whether door locked when he was away from.

University

Xi'an Technological University

Xi'an Technological University
Department of Industrial design ,School of Design
xi an, China

Design

Xi'an Technological University

Xi'an Technological University
Department of Industrial design ,School of Design
xi an, China

Yahui Liu,Tao Zhou,Yi Liu,Chao Cui