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THE ENTRY SYSTEM / doorknob

THE ENTRY SYSTEM

This is a new invention of combined doorknob with key entry system. the original intention is to design an effortless movement for door opening action. The invention of a door without a doorknob also creates trapdoor effect. it may prevent from breaking into and reduce criminal behavior. Therefore, this design is not only convenient for household used but also brings sense of security to property owner.

University

Oriental Institute of Technology

Oriental Institute of Technology
New Taipei City, Taiwan

YU-CHEN YUAN,
Oriental Institute of Technology

ROU-SHIUAN LIU,
Oriental Institute of Technology