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Screwdriver & Corkscrew / Screwdriver & Corkscrew

Screwdriver & Corkscrew

The Screwdriver is the tool used to twist screws to force them into the right position, which is almost a necessary handy household tool in every family. However, the operation of tighten and loose screws is not fit the structure of human wrist. Prolonged use will burden even damage wrist muscle and tissue, which is not meet Ergonomics. At the same time, improper operation will damage the nut thus cause slipping and other problems.
The same problem exists in wine bottle openers. Both tools were invented on the basis of the principle of screw threads.
How to make such tools easier to use, more labor-saving and time-saving?

University

Chengdu Technological University

Chengdu Technological University
Chengdu, Sichuan, China

Zhang Lanyue,
Chengdu Technological University