| 摘要 |
PROBLEM TO BE SOLVED: To facilitate a driving operation in carrying forward the works safely by providing a transparent front plate in front of a driver's seat, while installing both side and rear sheets in both symmetrical sides and the rear side, and then covering the upper part with a roof. SOLUTION: A roof 4 having a peripheral edge part 34 hung down installs a reinforcing pipe 33 on the inside along this peripheral edge part 34. A transparent front plate 1 consisting of materials such as fiber reinforced plastics, tempered glass and laminated glass is attached to an upper half part of both symmetrical front columns 22. This transparent front plate 1 is made up broad at the lower side and each of these front columns 22 is constituted broad at the lower side along the form. Each rear end edge of both symmetrical side sheets 2 is locked to a rear column 29 free of detachment, and each upper edge of these side sheets 2 is attached to a turnup part 57 in a tip of the peripheral edge part 34 of the roof 4. A rear sheet 3 consists of a central transparent sheet 3a, a front mounting cloth frame 3b to be attached to the rear column 29 of light and left front edge parts, and an upper mounting cloth frame 3c whose upper edge is attached to the side of the turnup part 57 of the roof 4, respectively. |
