this invention is a mask storage. to prevent the ups and downs of the framework, and at the same time, from the frame of the fixed time, so as to avoid the occurrence of the deformation of a mask is preserved, the frame (1) of the departments (u89d2 door) (a, b, c) with piston (3) to see the good. the base (2). on the surface of the ball plunger (3) is in contact with the main body 3 of the v gear. and the ball plunger (3) installed through the side of the fixed bolt (4) is open, the first base (2) of the screw (8) in the loading, and the other one a retention frame (1) has a compression spring (5) installed.. also, the storage of the frame of the ministry (d) and the base (2), and a compression coil spring between the device (13), the compression coil spring (13) of the frame (1) from the slope, to prevent or control.also, a retention frame (1) of the department of the ministry of equipment of spin, the spin in the ball plunger (3), a kind of call the turn, with fixed can be fixed.
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