Patent ID: 6367824
Filing Date: 2002-04-09
Classification: B62K

Abstract:
A tricycle including a pair of left and right front steerable wheels (WFL, WFR) supported at a front portion of a vehicle body frame structure (F1), and a single rear drivable wheel (WR) supported at a rear portion of the vehicle body frame structure (F1), wherein said tricycle comprises a cylindrical handle post (21) which is fixedly mounted at a front end of said vehicle body frame structure (F1) and which turnably supports a steering shaft (27) connected to a steering handlebar (28), left and right upper links (38L, 38R) which are integrally connected to each other and pivotally supported at an upper end of said handle post (21), left and right lower links (39L, 39R) which are integrally connected to each other and pivotally supported at a lower end of said handle post (21), a cylindrical left leg member (29L) which is pivotally supported at upper and lower opposite ends thereof to outer ends of said left upper and lower links (38L, 39L), a cylindrical right leg member (29R) which is pivotally supported at upper and lower opposite ends thereof to outer ends of said right upper and lower links (38R, 39R), a left front wheel support member (30L) rotatably supported on said left leg member (29L), a right front wheel support member (30R) rotatably supported on said right leg member (29R) , said left front wheel (WFL) being supported on said left front wheel support member (30L) and disposed immediately below said left leg member (29L), said right front wheel (WFR) being supported on said right front wheel support member (30R) and disposed immediately below said right leg member (29R), and a steering operatively-connecting means (31 to 34) being disposed below said handle post (21) and both said leg members (29L, 29R) for operatively connecting said steering shaft (27) and said left and right front wheel support members (30L, 30R) to each other.