Multifunctional superminiature portable bicycle with special structure
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 于士真
- Publication Date
- 2005-12-28
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention belongs to a non-motorized human traffic device, and is an ultraminiature portable bicycle with a special structure and functions. Background technique
[0002] Since the invention and production of the bicycle for more than a century, it has made great achievements for human beings, brought great convenience to people's travel and carrying things, greatly liberated productivity to a certain extent, and made great contributions to the advancement of society. China is a major producer of bicycles, with hundreds of millions of bicycles. It is known as the kingdom of bicycles, and the export volume is more than tens of millions. Especially not being able to carry brings a lot of inconvenience to people. Bicycle is a kind of cheap means of transportation. In order to alleviate the excessive crowding of public transport vehicles and the pollution of the exhaust gas emitted by internal combustion engine vehicles to the environment, it has becom...