Title:
TWIN-FRAME BICYCLE
Document Type and Number:
WIPO Patent Application WO/2009/149653
Kind Code:
A1
Abstract:
A bicycle which is used for two people to ride parallel has twin-frame. When turning, the twin-frame bicycle leans with the rider to avoid overturn. There is a joint structure between the main body and the assistant body. The joint structure can transform as parallelogram. Besides, further spring elements can keep the twin-frame balanceable and steady. The three wheels, i.e. the wheel on the assistant body and the wheels on the main body, constitute a triangle, and make the twin-frame steady. The twin-frame bicycle is safe during riding.
Inventors:
CHIN HSU-SHENG (CN)
FAN CHIANG TSUNG-LIN (CN)
CHIN CHIH-CHING (CN)
FAN CHIANG TSUNG-LIN (CN)
CHIN CHIH-CHING (CN)
Application Number:
PCT/CN2009/072181
Publication Date:
December 17, 2009
Filing Date:
June 08, 2009
Export Citation:
Assignee:
CHIN HSU-SHENG (CN)
FAN CHIANG TSUNG-LIN (CN)
CHIN CHIH-CHING (CN)
FAN CHIANG TSUNG-LIN (CN)
CHIN CHIH-CHING (CN)
International Classes:
B62K5/00; B62K13/00
Foreign References:
CN2691994Y | 2005-04-13 | |||
CN2300574Y | 1998-12-16 | |||
CN2560545Y | 2003-07-16 | |||
CN2910749Y | 2007-06-13 | |||
CN2058159U | 1990-06-13 | |||
EP1391374A1 | 2004-02-25 | |||
EP1090832A1 | 2001-04-11 |
Other References:
See also references of EP 2301833A4
None
None
Attorney, Agent or Firm:
GE CHENG & CO., LTD. (Tower E3The Towers, Oriental Plaza,No.1, East Chang An Avenue,Dongcheng District, Beijing 8, CN)
Download PDF: