Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 14, 2009
Patent Application Number
10513963
Date Filed
May 23, 2003
Patent Primary Examiner
Patent abstract
The present invention relates to a linear reciprocating driving apparatus. It includes a sliding assembly, a slave chain-engaging and reversing mechanism, a flying wheel, a driven sprocket, a driving chain, and a guide column. The sliding assembly is arranged on the framework of the propulsion apparatus to be activated by a rider. Also there is provided a slave chain-engaging and reversing mechanics with compensation means. The propulsion apparatus can obtain satisfying results and high efficiency. The invention can be applied to various manually powered vehicle and watercraft. They are mainly used for communication to substitute walking and physical exercise.
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