US 6,718,695 B1 · Railless window and door system

Abstract

The present invention relates to an improved lower member of a sliding window and door system, and it is an object of the present invention to provide a convenient, safe and high quality window and door system by solving problems of the conventional window and door system. To provide a flat structure of a railless window and door system of the present invention, a surface member is formed on a window (or door) frame lower member, and to provide a railless structure, a guide device is provided on the window (or door) frame lower member and the window (or door) lower member such that the window (or door) lower member is not inadvertently separated from the window (or door) frame lower member even when the roller is driven on the railless surface member as the window (or door) lower member is guided by the guide device.

Claims25

Dependent claims

A door or window system comprising:

a frame including a frame lower member having a top surface, said top surface including a flat portion extending lengthwise of the frame lower member,
a slidable panel mounted in the frame and including a panel lower member having first and second opposite faces, one of said first and second opposite faces being an inner face of the panel lower member and the other of said first and second opposite faces being an outer face of the panel lower member,
a roller mounted on the panel lower member and engaging the flat portion of the top surface of the frame lower member, for supporting the panel lower member during sliding movement of the slidable panel, and
a guide device comprising a first part provided on the frame lower member and a second part provided on the panel lower member, the guide device guiding sliding movement of the slidable panel along the frame lower member,
and wherein the top surface of the frame lower member includes a portion that extends laterally beyond said first face of the panel lower member.

2 more elements

A door or window system comprising:

a frame including an elongate frame lower member having an upper surface, the frame lower member including a portion that defines a channel that extends lengthwise of the frame lower member and is closed from above,
a slidable panel mounted in the frame and including a panel lower member and a guide portion that extends into said channel for guiding sliding movement of the slidable panel along the frame lower member, and
a roller mounted on the panel lower member and engaging the upper surface of the frame lower member, for supporting the panel lower member during sliding movement of the slidable panel,
and wherein the upper surface of the frame lower member has a first portion that is engaged by the roller mounted on the panel lower member and also has a second portion, alongside said first portion, said second portion of the upper surface of the frame lower member is formed with a groove, and the system further comprises a fixed panel mounted in a first length portion of the groove and a groove cover mounted in a second length portion of the groove.

1 more element

Dependencies are inferred from the claim text.

Railless window and door system

Life of this patent

Railless window and door system

Life of this patent

Abstract

Claims25