| 摘要 |
PURPOSE:To provide a locking device which can be corresponded to the variation of the swing width at a closed position of a window and can be easily interlocked with the automatic opening/closing operation of the window. CONSTITUTION:A window locking device for construction machinery consists of a locking metal fitting 1 on a window W side and a pressing means 2 on a cabin side, and the pressing means 2 is constituted of a hook member 13 engaged with the locking metal fitting 1, screw rod 10 for straightly advancing the hook member so that the window W is pressed onto a window frame, nut member 12, motor for driving the screw rod, and a cam plate 9 which guides the shift of the hook member 13 so that the locking metal fitting 1 and the hook member 13 are engaged between the perfect closure position of the window W and the lock position and disengaged between the perfect opened position and the perfect closed position. |
