Bicycle gear crank
JP1808481SActive Publication Date: 2025-09-16EXEDY CORP
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Patent Information
- Application Number
- JP2024026707D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2049-12-24
Smart Images

Figure 0001808481000001 
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Figure 0001808481000003
Abstract
The article of this design is a gear crank that is attached to a bicycle, and the pedal force compresses an elastic member (coil spring), providing the user with exercise assistance and reducing the pedal force required to ride the bicycle.
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