Patent ID: 7959218

Claim:
A tilt lock structure of a driver's cabin used in a work vehicle, the driver's cabin being tiltable, the tilt lock structure comprising: an engaging member standing on a vehicle body frame or a driver's cabin frame; and an actuating member fixed to the driver's cabin frame or the vehicle body frame and engaged with the engaging member, wherein the engaging member includes a standing portion which is formed in a concentric fan-shape with respect to a tilt direction of the driver's cabin and has at least one engaging hole formed in the standing portion so as to correspond to a tilt position of the driver's cabin, and a stopper piece, wherein the actuating member includes a locking pin enabling one end to engage with the engaging hole and the other end having a lever, a locking claw fixed to the locking pin, a spring for urging the locking pin to a side of the standing portion, and a locking portion to which and from which the locking claw is locked and unlocked, wherein the locking claw is lockable to and unlockable from the locking portion by axially turning the locking pin in a state that the locking pin is engaged with the engaging hole by an urging strength of the spring, and wherein the locking claw is lockable to and unlockable from the stopper piece by axially turning the locking pin when the locking pin resists the urging strength of the spring and is disengaged from the engaging hole.