Bicycle gear
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 甘东
- Publication Date
- 2010-08-11
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a bicycle transmission device, in particular to a new type of bicycle transmission device which uses the reciprocating swing mode of the pedal rod instead of the rotation of the traditional bicycle pedal rod. Background technique
[0002] The bicycle has undergone many changes since its invention in 1791, the purpose of which is to make it more ergonomic and convenient to use. By 1892, France had issued 1,000 patent certificates for bicycles, 2,400 in the United Kingdom, and 4,000 in the United States.
[0003] The transmission device of bicycle mainly contains three kinds at present: 1, chain transmission, 2, shaft transmission, 3, belt transmission.
[0004] Among them, the chain drive is the most common and the most widely used. The chain drive is mainly composed of pedals, center shafts, sprockets, cranks, chains, flywheels, rear axles, rear wheels and other components. The pedals are assembled on the left and right crank...