| 摘要 |
PURPOSE: An auxiliary opening and closing device of a front window for heavy equipment is provided to improve uncomfortableness for users, to prevent glasses from being broken down by dropping the front window by self-weight, and to remove accidents caused by the drop of the front window by opening and closing the front window with a little power of a driver. CONSTITUTION: A front window(20) of an operator cab(10) comprising a guide rail(14) extended from a front frame(12) of the cab to an upper frame(13) and a window frame(21) having transfer rollers formed at both sides to slide along the guide rail, an auxiliary opening and closing device of the front window for heavy equipment is composed of a first bracket(33) disposed to the side of the window frame; a first link(36) movably combining with the first bracket and having a slit(38) of the predetermined length formed in the longitudinal direction; a second link(37) having one side combined to the slit of the first link to slide along the slit-forming direction and the other side movably joined to a second bracket(34) installed at the joined part of the front and upper frames of the cab; and a dash port(32) having one side movably combined to a third bracket(35) arranged at the predetermined portion of the front frame and the other side movably joined to the predetermined portion of the second link, and supporting the second link to the movement of the second link. |
