Importance

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Abstract

A drain apparatus includes a drain body, a stem, a stopper and at least one torsion spring. The drain body has a drain passage therethrough and a frame radially extending across the drain passage. The stem has a shank and one end connected to the frame. The shank has a chamber, at least one first aperture and at least one second aperture opposite to the first aperture. The stopper is configured to seal the drain passage of the drain body, and has a tube extending therefrom. The tube of the stopper is movably mounted around the stem. The torsion spring is disposed in the chamber of the shank. The torsion spring has two ends laterally engaged in the first aperture and the second aperture of the shank to abut against an inner wall of the tube of the stopper.

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First Claim