Patent ID: 8393670

Claim:
A cab stopper device provided between a restricting portion provided on a machine frame of a work machine and a cab of the work machine, said cab stopper device comprising: a through hole formed in a floor plate of the cab; and a stopper, which is inserted in the through hole from above, the stopper including an engaging portion at its lower end that projects downward from the through hole, the engaging portion being engageable with the restricting portion, wherein the relative position of the through hole and the stopper is changeable between an inserting position, at which the stopper is insertable in the through hole with the engaging portion not contacting the restricting portion, and an engaging position, at which the engaging portion is engageable with the restricting portion with the stopper inserted in the through hole, wherein the floor plate has an inhibiting portion for inhibiting the stopper located at the engaging position from moving downward, and wherein, when the stopper is rotated about the vertically extending axis after being inserted in the through hole, the inhibiting portion inhibits the stopper from moving downward.