Guide at the building brickwork for the wood frame of a sliding door/window has a mechanism to alter the guide width to allow for warping or distortion at the guide groove in the door/window frame

摘要

The sliding mounting, for a sliding window or door, has a guide (1) fitting into a groove at the window or door for its movements. The guide (1) has a variable width, set by an adjustment mechanism (7-10). The guide width adjustment is through a screw bolt (9), and spring (7), a sliding block (8) and a setting head (10), to match the dimensions of the guide groove at the door/window.