TRICYCLE

WIPO Patent Application WO/1999/061304

A1

A tricycle, in which right and left front wheel supporting members for rotatably supporting right and left front wheels are provided on right and left sides of a handle post to be borne turnably by right and left leg members supported on the handle post, a steering shaft is connected to the both front wheel supporting members to cause the both front wheels to be steered in accordance with turning actions of the steering shaft, and a drive wheel is supported on a rear portion of a body frame, wherein bank running is enabled to improve a steering running performance. A handle post (21) and a left leg member (29¿L?) are connected to each other through a pair of upper left link (38¿L?) and lower left link (39¿L?) to form a left parallel link (37¿L?), the handle post (21) and a right leg member (29¿R?) are connected to each other through a pair of upper right link (38¿R?) and lower right link (39¿R?) to form a right parallel link (37¿R?), and left and right parallel links (37¿L?, 37¿R?) are formed to be laterally symmetrical with respect to the handle post (21).

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HAYASHI MASAYASU (JP)

PCT/JP1998/002354

December 02, 1999

May 28, 1998

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AVANTEC CORP (JP)
DESIGN CO LTD K (JP)
HAYASHI MASAYASU (JP)

B62K5/05; B62K5/08; B62K15/00; (IPC1-7): B62K5/04

JPH06171569A	1994-06-21
JPS5682681A	1981-07-06
JPH01229787A	1989-09-13
JPH01168585A	1989-07-04

Ochiai, Takeshi (9-1 Shinbashi 5-chom, Minato-ku Tokyo, JP)

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