Patent ID: 6763530
Filing Date: 2004-07-20
Classification: A47K

Abstract:
An auto-reversible toilet seat mounting structure comprising:a toilet seat, said toilet seat having pairs of plug holes disposed at a rear side thereof; and at least one pair of coupling devices selectively plugged into said pairs of plug holes and fastened pivotally with a bracket at the back side of the toilet bowl of a toilet for enabling said toilet seat to be turned relative to said toilet bowl between a vertical position and a horizontal position and automatically returned to the vertical position after each use of the toilet by the user, each said coupling device comprising an inside holding space, a longitudinal partition wall longitudinally suspended in said inside holding space and obliquely downwardly extended from a rear side toward a front side and separating said inside holding space into an upper chamber and a lower chamber, a plurality of solid spherical members put in said inside holding space and movable between said upper chamber and said lower chamber, said solid spherical members each having a predetermined weight, first passage disposed at a rear side of said longitudinal partition wall between said upper chamber and said lower chamber, first door means pivoted to said first passage for enabling said steel balls to move from said lower chamber into said upper chamber and prohibiting said steel balls from passing through said first passage in direction from said upper chamber to said lower chamber, second passage disposed at a front side of said longitudinal partition wall between said upper chamber and said lower chamber, second door means adapted to close said second passage, and spring means supporting said second door means in the close position to close said second passage and adapted to open said second door means for enabling said steel balls to move through said second passage in one direct from said upper chamber to said lower chamber when compressed.