Patent ID: 7624476

Claim:
An automatic closing assembly for a sliding door having a top and two side surfaces, and the automatic closing assembly having a base having a mounting bracket being adapted to mount on the top of the sliding door and having a bottom being adapted to mount on the top of the sliding door; an inner side; two sidewalls; and a pipe hole being formed through the mounting bracket; and a connecting frame being mounted on the inner side of the mounting bracket and having an inner surface; an outer surface abutting the inner side of the mounting bracket; a sidewall; a top; a bottom; and a damper barrel being formed on and protruding from the inner surface of the connecting frame near the top and having an inner side; an axle hole being formed through the inner side of the damper barrel and the connecting frame and aligning with the pipe hole of the mounting bracket; and at least one rod hole being formed in the inner side of the damper barrel; an adjusting device being connected to the base and having a handle being rotatably connected to the mounting bracket and the connecting frame of the base and having an inner end; and an outer end; a transmitting segment being rotatably mounted in the damper barrel of the connecting frame and being securely connected to the handle; a screw shaft being connected to the transmitting segment and having a connecting end being securely connected to the transmitting segment; and a screwing end; at least one supporting rod being securely mounted in the damper barrel, being parallel to the screw shaft and each one of the at least one supporting rod having a proximal end being securely mounted in one of the at least one rod hole of the damper barrel; and a distal end; and a resilient device moveably engaging the screw shaft adjacent to the at least one supporting rod and having an inner end being disposed adjacent to and engaging the screwing end of the screw shaft; and an outer end; and a housing being telescopically connected to the base, being mounted around the adjusting device and having an inner tube being mounted securely around the damper barrel of the connecting frame; and at least one outer tube being movably mounted around the inner tube, being adapted to securely mount on the sliding door and one of the at least one outer tube being connected to the outer end of the resilient device.