Abstract: A corner member for use in connecting two screen frame members together, the corner members having first and second mutually connected legs with each of the legs incorporating a leaf spring therein such that when the legs are inserted into the screen frame members, the leaf spring is compressed and functions to retain the screen frame member in position.

Abstract: A roller assembly for use with a sliding door, the roller assembly comprising upper and lower housings, a roller mounted in the upper housing, a shaft extending between the upper and lower housings with a spring extending about the shaft, and a screw-threaded member for securing the lower housing to the shaft at a desired location. The arrangement permits self adjustment of the door within a channel.

Abstract: A corner member for a window screen for joining framing members together at the corners, the corner member having a central body, first and second legs extending outwardly therefrom, a recess formed in the central body portion, and a plurality of resilient retaining members placed in the recess, each resilient retaining member having first and second retaining tabs which extend outwardly and which are designed to retain the screen in the window frame.

Abstract: A roller assembly for use with a sliding door, the roller assembly comprising upper and lower housings, a roller mounted in the upper housing, a shaft extending between the upper and lower housings with a spring extending about the shaft, and a screw-threaded member for securing the lower housing to the shaft at a desired location. The arrangement permits self adjustment of the door within a channel.

Abstract: A roller assembly for use with a sliding door, the roller assembly comprising upper and lower housings, a roller mounted in the upper housing, a shaft extending between the upper and lower housings with a spring extending about the shaft, and a screw-threaded member for securing the lower housing to the shaft at a desired location. The arrangement permits self adjustment of the door within a channel.

Abstract: An accessory for use with an air gun to effect particulate pick-up on a surface comprising a flexible member having one end fitted about the end of the air gun and with the other end having a substantially larger opening. The air gun is operated and the second opening is kept close to the surface to be cleaned such that particulate matter is forced upwardly into the flexible member from where it may subsequently be discharged.

Abstract: A corner member for a window screen for joining framing members together at the corners, the corner member having a central body, first and second legs extending outwardly therefrom, a recess formed in the central body portion, and a plurality of resilient retaining members placed in the recess, each resilient retaining member having first and second retaining tabs which extend outwardly and which are designed to retain the screen in the window frame.

Abstract: A screen framing member which comprises a body portion, a generally U-shaped portion designed to receive a retaining spline, and a gripping portion extending inwardly, the gripping portion being formed on its side opposite the U-shaped portion and extending substantially the entire length of the screen framing member.

Abstract: A spring member for use in retaining a screen within a window frame, the spring member having an elongated dome portion, an upwardly extending portion formed within the dome portion and designed to fit within a recess in a window. The spring members ideally are suited for window frames made using corner members.

Abstract: A spring member for use in retaining a screen within a window frame, the spring member having an elongated dome portion, an upwardly extending portion formed within the dome portion and designed to fit within a recess in a window. The spring members ideally are suited for window frames made using corner members.

Abstract: A corner member for securing together the structural members forming the periphery of a screen, the corner members having a protrusion for locking the screen in place in a window to obviate the need for a separate locking device. The corner members may be formed of any color and are preferably of a plastic material which has been injection molded.