PURPOSE: To easily open and close doors, windows, etc. in a cabin, by successively providing a roof part to the upper side of a frame for the cabin, swingably locating the roof part about a rear edge of the frame as a supporting point in a steplessly adjustable state and mounting the roof part to the upper side of the frame.
CONSTITUTION: A tractor cabin 1 comprises left and right side parts 2, front side part 3 and rear side part 4, and a roof part 6 is successively provided to the upper side of a frame 5 of the cabin 1, then a window part 2A and door part 11 in the side part 2 while an upper side window 4A in the rear side part 4 are mounted respectively in an opening and closing state, further a front window 3A is spread in the front side part 3, while the roof part 6 is mounted swingably positionably about a hinge (not shown in the drawing) as a supporting point in a steplessly adjustable state. Further a radio 6A' and the like are mounted to a lower surface of the roof part 6 integrally formed with a synthetic resin plate, and the roof part is constituted such that a publicly known telescopic gear 8, arranged swivellably between the roof part 6 and an upper edge of the frame 5, can be operated by a control part 7. In this way, the roof part 6 can be opened at a desired angle.
YOSHIHARA SHIGEICHI
TANAKA ISAMU
