Patent ID: 6353968
Filing Date: 2002-03-12
Classification: E05D,Y10T

Abstract:
A single-button support mechanism for improving a turning means joining an upper portion and a body, the body having a pivot end and a free end, comprising:a holding groove located in the upper portion; a cam trough and a button groove, located in the body and close to the pivot end; a retaining groove, located in a top surface of the body, the retaining groove having a closed bottom end; a retaining member slidably received within the retaining groove with a top end of the retaining member contacting with the upper portion; a first spring disposed within the retaining groove, the first spring restrained by the retaining member and the closed bottom end; a position button slidably received within the button groove and movable between a first position and a second position; and a cam rotatably received within the cam trough pivotally connecting the body and the upper portion, the cam having saw-type teeth formed at a periphery thereof, each of the teeth being selectively engageable with the position button, wherein the position button engaged the locking groove when the position button is in the first position, and the position button disengaged with the teeth and the locking groove when the position button is in the second position enabling the retaining member to push the upper portion upward.