| 摘要 |
PURPOSE: A lifter of a sliding window in hanging type is provided to separate the window apart from a bottom surface when sliding the window while seating the window on the bottom surface after opening/closing the window to improve air-tightening, heat-insulation and sound-resistant properties. CONSTITUTION: The lifter comprises a window frame having a guide rail at upper portion; roller device(3) sliding the guide rail; a connection assembly(6) fixed at upper end of the window for connecting a main body of the roller device(3); and a handle at center of the window. The roller device(3) has rollers at left/right sides of the main body; a connection component(8) coupled to the assembly(6) and having rectangular shape having rectangular punctured hole(8a). The assembly has insertion groove(6a) to accept the connection component(8), arc type wheel-track hole(6b) at top end of inner wall; and a rotating axis(6c) at lower end of the wheel-track hole(6b). The connection component(8) further includes a sliding loader(13) and a reciprocating pin(17) together with a reciprocating cam(18) having a rotational center(18a) into the rotating axis(6c). |
