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Concave Convex Key / Key

Concave Convex Key
Concave Convex Key

The key with meniscus shape is designed for the blind because the concave and convex surface on the key solves the blind’s distress and doubt when they are unlocking doors. Through the concave and convex design and people’s habits of holding keys, and the blind are able to unlock doors and correspond to the locks by touching keys with their fingers.
People differ from one another in their habits of handedness, and keyholes also have different directions. Therefore, the blind can choose the directions of concave and convex surface on the keys when they ask locksmiths to make keys.

University

National Taiwan University of Science and Technology

National Taiwan University of Science and Technology
Taipei, Taiwan

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Design

National Taiwan University of Science and Technology

National Taiwan University of Science and Technology
Taipei, Taiwan

Hao-Siang, Min

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Design

National Taiwan Normal University (NTNU)

National Taiwan Normal University
Taipei, Taiwan

Cheng-Ta, Chiang

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