Patent ID: 8381444

Claim:
A sliding door assembly comprising: a frame having a header and a threshold joined by a first mullion and a second mullion, the header having a first channel with a curved section and a straight section; a compression gasket attached to the header, the threshold within a second channel running along a length of the threshold, the first mullion, and the second mullion; a sash, having a first jamb and a second jamb each joined by a top leg and a bottom leg; a post pivotally attached to the top of the sash and protruding through the channel with a roller attached to the end of the post, the roller capable of traveling along the header; a keeper located on the first mullion; an upwardly extending lip located on the threshold opposite to and generally parallel with the second channel; a latch attached to the side jamb of the sash; and wherein the sash is slidable between an open position and a closed position wherein when the sash is in a closed position the latch is received within the keeper in order to place the sash into pressing engagement with the gasket in order to create a seal between the sash and the frame, and the post is within the curved section of the first channel, and when the sash slides to the open position, the post travels from the curved section to the straight section, and such that bottom of the sash is always at least partially within the passageway and is capable of laterally moving between the gasket and the lip without a constraint placed upon the bottom leg of the sash such that the lip guides the bottom leg of the sash whenever the sash to traveling between the closed position and the open position.