Patent ID: 6336245
Filing Date: 2002-01-08
Classification: E05C,E05F,E05Y,Y10T

Abstract:
A door stopper, comprising:a guide cylinder for positioning generally vertically in a floor; a door contacting member for positioning in said guide cylinder; said door contacting member being movable relative to said guide cylinder to assume first and second positions; an upper portion of said door contacting member extending above the floor when said door contacting member assumes said first position; the upper portion of said door contacting member being substantially level with the floor when said door contacting member assumes said second position; a lock mechanism for holding said door contacting member in said second position; said lock mechanism comprising a pin in said guide cylinder and a generally heart-shaped grooved cam in said door contacting member for engaging said pin; and said grooved cam including a step to prevent reversal of said pin.