STRADDLED VEHICLE
FIG2 is a side view showing an opening/closing mechanism, a lock mechanism, and a seat
The lock mechanism 23 locks the seat 6 to a closed position. FIG2 is a side view showing the opening/closing mechanism 22, the lock mechanism 23, and the seat 6. In FIG2 the solid line shows the seat 6 located in the closed position. In FIG2 the broken line shows the seat 6 located in a fully-opened position. As shown in FIG2, the vehicle main body 2 includes a vehicle body frame 9. The vehicle body frame 9 includes a seat frame 17 and a center frame 18. The seat frame 17 is disposed under the seat 6. A bracket 19 is mounted on the seat frame 17. The lock mechanism 23 is mounted on the seat frame 17 via the bracket 19.
side view
24
locking member
17
seat frame
12
leg shield
19
bracket
22
opening/closing mechanism
18
center frame
2
vehicle main body
25
cable
31
first stay
33
first spring unit
23
lock mechanism
32
second stay
['1. A straddled vehicle (1), comprising: a seat (6); a storage box (21) disposed under the seat (6); and an opening/closing mechanism (22) movably supporting the seat (6) between a closed position where the storage box (21) is closed and a fully-opened position where the storage box (21) is opened, the opening/closing mechanism (22) including a tension coil spring (61, 71), characterised in that  the tension coil spring (61, 71) is configured to assist a driver in opening the seat (6), the tension coil spring (61, 71) including a coil portion (63, 73); and an elastic member (62, 72) located on an outer periphery of the coil portion (63, 73), the tension coil spring (61, 71) being disposed so as to contract as the seat (6) moves toward the fully-opened position, the outer periphery of the coil portion (63, 73) and an inner periphery of the elastic member (62, 72) being disposed so as to come into contact with each other at least before the seat reaches the fully-opened position.', '5. The straddled vehicle (1) according to any one of claims 1 to 4, further comprising: a vehicle body frame (9); a first stay (31) mounted on the vehicle body frame (9); and a second stay (32) mounted on the seat (6) and supported so as to be rotatable with respect to the first stay (31), wherein the tension coil spring (61, 71) includes a first end portion (64, 74) connected to the firststay (31) and a second end portion (65, 75) connected to the second stay (32).']