Patent ID: 7134168
Filing Date: 2006-11-14
Classification: E05F,E05Y,Y10T

Abstract:
1. A door closer comprising: a cylinder with an extensible and retractable rod, the cylinder having first and second ends with the first end adapted to be secured to a door frame and the rod having an outer end adapted to be connected to the door, the rod being normally biased to a retracted position; the rod having a series of grooves; a housing connected to the cylinder; a pawl block mounted on the rod and in the housing; a pawl pivotally mounted on the pawl block for movement between an engaged position engaging one of the grooves and a disengaged position, the pawl being normally biased to the disengaged position; a button on the housing and adapted to move between a depressed position to engage the pawl and thereby move the pawl to the engaged position and a raised position to disengage the pawl and thereby allow the pawl to move to the disengaged position; whereby the pawl holds the door open when in the engaged position and allows the door to open and close when in the disengaged position; and the button being non-electrical.