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

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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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