Abstract: A buffer apparatus for a ceiling screen includes a case and a lid pivotally coupled with one lateral end of the case for holding a screen. The lateral end has two sides forming a first action side and a second action side that correspond to each other. The first action side has a speed reducing mechanism to reduce the flipping speed of the lid and provide a buffer effect when the lid is driven by a first elastic element and unfolds. The second action side has a second elastic element compressed by the flipping lid at the initial unfolding stage during the buffering process, and expanded at a later unfolding stage of the lid to provide a returning elastic force to move and anchor the lid on a desired position. Thus the impact and vibration resulting from fast flipping of the lid may be prevented.

Abstract: A buffer apparatus for a ceiling screen includes a case and a lid pivotally coupled with one lateral end of the case for holding a screen. The lateral end has two sides forming a first action side and a second action side that correspond to each other. The first action side has a speed reducing mechanism to reduce the flipping speed of the lid and provide a buffer effect when the lid is driven by a first elastic element and unfolds. The second action side has a second elastic element compressed by the flipping lid at the initial unfolding stage during the buffering process, and expanded at a later unfolding stage of the lid to provide a returning elastic force to move and anchor the lid on a desired position. Thus the impact and vibration resulting from fast flipping of the lid may be prevented.