between which a buffering device is coupled the buffering device is housed in a retention frame the retention frame has an end forming a limiting structure the buffering device has an active rod coupled to the limiting structure the movable blade includes a pull bar that is connected to the limiting structure the hinged slide rail is installed between a door panel and a body of a cabinet to remarkably enhance the convenience of operation and eliminates the potential problems of generating noise and clamping and hurting users application_number US 49756109 A description the following descriptions are exemplary embodiments only and are not intended to limit the scope applicability or configuration of the invention in any way rather the following description provides a convenient illustration for implementing exemplary embodiments of the invention various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims referring to fig3 and 4 which shows exploded and perspective views of the present invention the present invention comprises the following constituent components a rail 50 comprises at least a fixed plate 51 a balled plate 52 and a movable plate 53 the balled plate 52 is interposed between the movable plate 53 and the fixed plate 51 to enhance lubrication effect between the movable plate 53 and the fixed plate 51 so as not only to allow the movable plate 53 to do reciprocal sliding movement with respect to the fixed plate 51 but also making the sliding movement smooth the rail 50 comprises a roller 54 set at one end thereof a hinge 60 comprises a movable blade 61.