Patent attributes
A cover unit is disposed on both sides of a mounting plate that is coupled to a roof side of a vehicle, respectively. The cover unit includes a first movement guide and a second movement guide formed with movement paths and a guide frame unit that is disposed on the cover unit, respectively, and connected to each other, and sliding and moving along a guide rail provided on the mounting plate. AN angle adjustment unit has a mounting angle that is adjusted as the guide frame unit slides and moves and is coupled to be engaged with the guide frame unit. A handle unit is rotatably coupled to the guide frame unit, and has a drawn-out location and a drawn-out angle that is adjusted step by step by moving along the movement path to allow the angle adjustment unit to be selectively engaged with the guide frame unit.