Patent ID: 7357231

Claim:
A door damper to relieve impact occurring when a door is opened, comprising: a rotational shaft rotatably coupled to the door; a rotating resistance unit to generate rotating resistance to the rotational shaft; a latching device latched to the rotational shaft and the door so as to allow the door and the rotational shaft to rotate together in a predetermined region, the latching device having a free rotating section enabling free rotation of the door at an initial stage of opening the door and a latching section enabling the latching device to be latched to the rotational shaft and the door at a final stage of opening the door so as to allow the door and the rotational shaft to rotate together, wherein the latching device comprises a latching protrusion protruding from an outer surface of the rotational shaft, and a latching groove formed on the door to allow the latching protrusion to enter the latching groove and latch to the latching groove, and having a width corresponding to the free rotating section in a rotating direction to allow the free rotation of the door; and a bracket coupled to an end of the door and having a shaft engaging hole to engage with the rotational shaft, and a plurality of latching jaws adjacent the shaft engaging hole and formed on an outer surface of the bracket to latch to the latching protrusion, the latching groove having a width corresponding to a separation between the latching jaws.