| 摘要 |
<p>This invention concerns the field of technical manufacture of rollers used in various types of sliding door and window panel systems. The invention proposes the construction of the double roller in question with adjustable arms and with means of precise adaptation to all types of sliding door and window panel frames. 1) According to a specified function of the invention, the arms mentioned, which are identical, bearing the slide rollers with suitable incorporation into the external and internal shell of the mechanism, adjust to the desired height of operation of the roller from ground level. 2) The means of precise adjustment is a pair of spring laminas angled in the opposite direction of that of the roller placement within the frame, such that when the roller enters the frame, the spring laminas mentioned press against the walls of the frame, stabilizing the roller against any type of frame. Alternatively, the aforementioned spring laminas can be incorporated as part of the external shell of the roller or an auxiliary adjustable part can be recommended.</p> |
