Patent ID: 6059346
Filing Date: 2000-05-09
Classification: E05B,E05Y

Abstract:
A device for opening and closing a trunk lid, comprising:a trunk lid opening/closing switch operable between an opening mode and a closing mode;a cylinder having one end rotatably connected to a body panel of a vehicle;a piston dividing a space within the cylinder into a first chamber and a second chamber;a piston rod having one end rotatably connected to the trunk lid;a compressed air supplying station in communication with each of the first chamber and second chambers via a pneumatic line;a first solenoid valve coupled to the pneumatic line controlling the supplying of compressed air into the first chamber;a second solenoid valve coupled to the pneumatic line coupled to the pneumatic line controlling the supplying of compressed air into the second chamber;a third solenoid valve installed at a wall portion of the cylinder defining the first chamber for controlling the discharge of air from the first chamber of the cylinder;a fourth solenoid valve installed at a wall portion of the cylinder defining the second chamber for controlling the discharge of air from the second chamber of the cylinder; andcontrol means for controlling the first, second, third and fourth valves according to the operation of the trunk lid opening/closing switch.