Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

一劳永逸锁 / Once and for all the lock


Nowadays,ordinary bicycle locks have a cumbersome process of locking,and
have poor portability.ONCE AND FOR ALL THE LOCK,which can shorten the
process and allow users to easily and simply lock the bicycle,is suggested.it
provides a method of locking with a single motion of stopping and parking the
bicycle,not need to be carried,and can lock the bicycle easily and simply.the
locking system is integrated into the stand in such a way that all you need to do
is park your bike, and as you take away the key.


Ningbo Institute of Technology, Zhejiang University

Ningbo Institute of Technology, Zhejiang University
Ningbo, China