| 摘要 |
The present invention relates to a sash moving apparatus for windows. The sash moving apparatus for windows according to the present invention includes a plurality of first and second linear rails (410, 420) which is disposed in a window frame (100), in which a first slide surface (412) and a second slide surface (422) are inclined in different directions when viewed from a direction where the cross section is the lateral surface, and in which the first slide surface (412) and the second slide surface (422) are formed at different heights, installed at a regular interval when viewed from the plane, and formed in a linear shape along the longitudinal direction; and a plurality of roller units (500) which are installed in a sash frame (210) of a sash window (200) and in which a plurality of wheels (530) are independently driven along the first and second slide surfaces (412, 422). |
