WINDING TRANSMISSION

PROBLEM TO BE SOLVED: To provide a leading roller ring to solve a problem of a conventional bicycle causing physical exhausting and tiring movement. SOLUTION: A bottom bracket 1 rotates by turning a crank, and a wire 6 symmetrically connected to directional springs 5 pulls the directional springs 5...

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Bibliographic Details
Main Author KISHI SHIGEO
Format Patent
LanguageEnglish
Published 02.06.2011
Subjects
CYCLES
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
POWERED PROPULSION OF SLEDGES OR
RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES
TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a leading roller ring to solve a problem of a conventional bicycle causing physical exhausting and tiring movement. SOLUTION: A bottom bracket 1 rotates by turning a crank, and a wire 6 symmetrically connected to directional springs 5 pulls the directional springs 5 for rotation. It is easy to pedal the bicycle so that a small pulley rotates a large pulley. The bottom bracket is formed in a keyway shape to attach a stopper thereon to work the spring for a half rotation. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20090275902