Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hazem Nihad Hamed0
Date of Patent
February 18, 2020
0Patent Application Number
163746380
Date Filed
April 3, 2019
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A manually controlled chain driver apparatus for a bicycle drive chain derailleur providing necessary forward chain movement for derailleur operation less power transmission to bicycle pedals during stopping and coasting instances when pedaling motion has ceased or is not possible.
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