Patent ID: 8191839

Claim:
An enhanced structure for suction apparatus, comprising: a suction disc unit, a shell base unit, a push obstruct unit, and a flip unit; said suction disc unit comprising a suction disc and traction element; said traction element being connected to top surface of said suction disc; said shell base unit comprising a disc body and a support base, said support base being located on top surface of said disc body; inside of said support base forming a guide channel through said disc body; said traction element being partially guided by said guide channel to enter said support base; with features of: vertical surface of said traction element of said suction disc unit forming a first teeth surface and a second teeth surface; said push obstruct unit being located inside said support base; in normal condition, said push obstruct unit beings meshed with said second teeth surface of said traction element, when in mesh state, said traction element being able to move in one direction; said flip unit being coupled to said shell base, and being made up of a link element and a flip element coaxially; said link element forming a teeth part on surface facing edge outer wall of said traction element; said teeth part being meshed with said first teeth surface; said flip element being located above said link element, and able to operate said linked movement with said push obstruct unit properly; when the flip element being pressed downwards, said link element rotating along because said teeth part being meshed with said first teeth surface so that said traction element also moving in a linked manner; when said flip element being flipped upwards, said flip element pushing said press obstruct element to release mesh engagement between said press obstruct element and said second teeth surface.