Abstract: The present invention relates to a thermal insulation structure of a door frame in which a moving window (sliding window) constituting a sliding window system is installed, and more particularly, a two-side supporting frame window supporting both sides of a glass window constituting a sliding window system, more particularly, relates to an insulating structure in a side section of a door frame into which the side portion of the sliding window that is moved when closing the sliding window of the supporting frame window type is pocketed, that is, the insulating structure of the side section of the door frame.

Abstract: The present invention relates to an installation structure of a glass fixing gasket and a window glass panel fixing bracket, which fixes a window glass panel of a fixed window included in a sliding window system which comprises a segmented window frame and, more specifically, to an installation structure of a glass fixing gasket and a window glass panel fixing bracket, wherein the glass fixing gasket and the window glass panel fixing bracket are installed between a window frame portion which supports three sides (an upper surface, a lower surface, and one external side surface that is not a middle bar side surface) of a fixed window included in a sliding window and a window glass panel provided as a double-pane, in order to provide a sealing function for preventing ventilation and a function of stably fixing the window glass panel against high wind pressure (wind pressure resistance), and moreover, to ensure maximum heat insulation performance.

Abstract: The present invention relates to a heat insulation and support structure between a moving window (sliding window) and a fixed window constituting a sliding window system, or between a moving window and another moving window. More particularly, the present invention relates to a window chassis insulating structure and a glass panel supporting (mounting) structure including technical improvements in a center bar portion in which a window chassis of a movable window and a fixed window (or other movable window) overlap each other when a sliding window of a two-side supporting frame window having a two-sided supporting frame for supporting only both sides of a glass window constituting a sliding window system, is closed.

Abstract: The present invention relates to an installation structure of an elastic gasket attached and installed as a sealing member to a moving window glass supporting insulation bracket in a sliding window having a two-sided supporting frame window chassis, and more specifically, it relates to an installation structure of a sealing member (e.g. an elastic gasket) that is installed to provide a sealing function between a glass supporting insulation bracket that directly supports a glass panel of the moving window from the top or bottom and a window frame provided with a sliding rail, when opening and closing the sliding window having only two-sided supporting frame that support both sides of the glass window constituting the sliding window.

Abstract: The present invention relates to a device capable of guiding a stable rotational actuation between a first support bracket fixedly connected to a supporting frame side of a door frame and a second support bracket fixedly connected to the door side in a gear hinge unit constituting a rotating door, specifically, in a door hinge in which a gear hinge unit is provided between the first support bracket fixedly connected to the support frame side of the door frame and the second support bracket fixedly connected to the door side, by minimizing the compressive stress generated in the lower gear hinge unit under a neutral axis of the door and the tensile stress generated in the upper gear hinge unit above the neutral axis of the door by the rotational moment applied to the gear hinge unit due to the load of the door, it is possible not only to secure and maintain the correct opening/closing performance of the door, but also to minimize damage to parts caused by friction or friction noise in the door hinge.

Abstract: The present invention relates to a hinged door locking device and, more particularly, to a hinged door locking device comprising a rotatable lever installed on a door frame separately from a main locking device generally used for security, wherein a side to be opened by rotation in the hinged door is brought into tight contact with the door frame at multiple points in the longitudinal direction by operating the lever. Thus, the hinged door locking device is configured to readily maintain the tight contact and has high usability as an auxiliary locking device.

Abstract: The present invention relates to a connective installation structure for modularized windows and doors, the connective installation structure successively arranging and connectively installing, in the horizontal direction, modularized sliding-type doors and windows, doors, or door-type windows that form the window and doors of a building, with fixed windows arranged in the spaces between the windows and doors.

Abstract: The present invention relates to a door guide frame of a detachable segment structure for sliding windows and doors, in which in order to improve heat insulating performance of the door guide frame, the door guide frame is divided into an outer body portion and an inner body portion and a thermal break is disposed therebetween, and even when a second pocket guide segment accommodated in the inner side surface of the inner body portion and a third pocket guide segment accommodated in the inner side surface of the outer body portion are separated from an upper cap region of an aluminum material and have a lower leg region formed of a thermal break material, a supporting means capable of providing a good supporting force for the lower leg region formed of such thermal break material is provided without affecting the heat insulating performance of the door guide frame.

Abstract: The present invention relates to a door guide frame of a detachable segment structure for sliding windows and doors, in which in order to improve heat insulating performance of the door guide frame, the door guide frame is divided into an outer body portion and an inner body portion and a thermal break is disposed therebetween, and even when a second pocket guide segment accommodated in the inner side surface of the inner body portion and a third pocket guide segment accommodated in the inner side surface of the outer body portion are separated from an upper cap region of an aluminum material and have a lower leg region formed of a thermal break material, a supporting means capable of providing a good supporting force for the lower leg region formed of such thermal break material is provided without affecting the heat insulating performance of the door guide frame.

Abstract: The present invention relates to a hinged door locking device and, more particularly, to a hinged door locking device comprising a rotatable lever installed on a door frame separately from a main locking device generally used for security, wherein a side to be opened by rotation in the hinged door is brought into tight contact with the door frame at multiple points in the longitudinal direction by operating the lever. Thus, the hinged door locking device is configured to readily maintain the tight contact and has high usability as an auxiliary locking device.

Abstract: The present invention relates to a door hinge height adjusting device that can adjust the relative vertical position of a second support bracket with respect to a first support bracket in a door hinge that rotatably connects one side surface of a door forming a rotating door to a support frame in a door frame, the door hinge comprising: the first support bracket which is fixedly connected to the support frame side of a door frame; the second support bracket which is fixedly connected to the door side; and a hinge portion which is provided between the first support bracket and the second support bracket, for relative rotation.

Abstract: The present invention relates to a door hinge height adjusting device that can adjust the relative vertical position of a second support bracket with respect to a first support bracket in a door hinge that rotatably connects one side surface of a door forming a rotating door to a support frame in a door frame, the door hinge comprising: the first support bracket which is fixedly connected to the support frame side of a door frame; the second support bracket which is fixedly connected to the door side; and a hinge portion which is provided between the first support bracket and the second support bracket, for relative rotation.

Abstract: The present invention relates to the installation structure of a rail frame for guiding a sliding movement of a roller apparatus of a sliding insect window screen which is capable of supporting a sliding insect window screen and providing a sliding opening/closing action of the sliding insect screen. more particularly relates to the sliding insect window screen comprising the rail frame which can more stably support the sliding insect window screen on the top surface and on the bottom surface, so even if a strong wind blows against the sliding insect screen, it is possible for the sliding insect window screen to maintain a stable state without shaking movement.

Abstract: The present invention relates to a door guide frame for guiding the sliding movement of a roller device which supports a sliding window and provides a sliding opening/closing operation and, more specifically, to a sliding window installation structure which: stably supports and moves a sliding window on a bottom surface and an upper surface on which the sliding window is installed; reduces an installation space by minimizing the size of a door guide frame and a roller device for supporting a heavy sliding window, thereby obtaining a wider open view when applied to a window; enables vertical stiffeners having an expanded cross section (cross section thicker than glass) for compensating a transverse bending rigidity of glass to be connected to both sides of the glass which constitutes the sliding window formed by including the glass that is supported by a roller; and enables the sliding window with the vertical stiffeners to be installed within the door guide frame in an integrated manner and the sliding window

Abstract: The present invention relates to a moving window installation structure of a sliding window system. More specifically, the present invention relates to a moving window installation structure of a sliding window system which is configured to prevent a vertical reaction force from being applied between a rail and a roller for supporting the weight of a moving window that constitutes a sliding window having an aluminum alloy sash structure such that the moving window can be smoothly moved in a direction perpendicular to the longitudinal direction of the rail and the sliding mobility of a large-sized window having a heavy weight can be improved, and to improve a profile cross-section structure of a window installation frame provided with a sliding window such that heat insulation can be remarkably improved and wind pressure resistance against wind pressure can be enhanced.