Title:
PULLEY CHAIN GEAR USING PRINCIPLE OF PULLEY
Document Type and Number:
WIPO Patent Application WO/2010/143795
Kind Code:
A1
Abstract:
The present invention is a device for improving propulsion force by transmitting a strong force to a rear wheel when advancing an object by working a pedal or using a power unit of the same amount of force for quickly and significantly moving an object such as a bicycle, a rickshaw, a water recreation apparatus, or a motorcycle wherein a pedal must be worked or a power unit is connected through a chain to the rear wheel to move the device. When the pulley chain gear is attached to a bicycle, the method enables the bicycle to go up an uphill road easily due to the principle of a pulley.
Inventors:
SIM WON BO (KR)
Application Number:
PCT/KR2009/007629
Publication Date:
December 16, 2010
Filing Date:
December 21, 2009
Export Citation:
Assignee:
SIM WON BO (KR)
International Classes:
B62M9/08; B62M9/06; F16H7/06
Foreign References:
| US20060030440A1 | 2006-02-09 | |||
| JP2003191884A | 2003-07-09 | |||
| JP2007125975A | 2007-05-24 | |||
| US6068279A | 2000-05-30 | |||
| JPS56136877U | 1981-10-16 |
Download PDF: