Abstract: A housing assembly which can accommodate either one of a split arm drive mechanism and a dual arm drive mechanism for a casement window. The housing assembly includes an escutcheon and a base as well as an adjustable bushing that is adjustable to at least two positions, one for the split arm drive mechanism and the other for the dual arm drive mechanism. A worm drive assembly is contained within the housing assembly for driving the drive mechanism. A handle is snap fitted into the worm drive assembly for rotating the worm drive assembly and moving the casement window. A spacer is mounted to the base to enable the base to fit a wide variety of window configurations.

Abstract: A rotational spring clip is provided for connecting a male component to a female component. The spring clip is pivotally secured to a female component. The male component includes a male member that extends through a hole in the female component. The spring clip is then rotated to engage the male component with a structure that includes two spaced apart legs that define an open mouth. The legs of the clip are trapped between a flange formed at the outer distal end of the male member that extends through and beyond the female component. The legs of the clip are then frictionally trapped between the flange of the male member and an outer surface of the female component.

Abstract: A hinge assembly for casement windows is shown. The hinge assembly includes a slide block for connection to the sash arm that includes a reinforcing plate that extends downward before extending upward and around the flange of the track overhang. A larger undercut portion is provided beneath the reinforcing plate for added clearance between the slide block and fasteners used to secure the track to the window sill. The hinge assembly also includes a pivot base which is pivotally connected to the shorter tie bar or toggle link. The position of the pivot base with respect to the track can be adjusted to compensate for sash sag. An additional hole is also provided to provide new anchorage in the case of a sash sag adjustment or additional anchorage for use in high wind areas. The pivot base also includes a quick disconnect retainer disposed beneath the pivot base and between the pivot base and the track and thereby hidden from plain view.

Abstract: A rotational spring clip is provided for connecting a male component to a female component. The spring clip is pivotally secured to a female component. The male component includes a male member that extends through a hole in the female component. The spring clip is then rotated to engage the male component with a structure that includes two spaced apart legs that define an open mouth. The legs of the clip are trapped between a flange formed at the outer distal end of the male member that extends through and beyond the female component. The legs of the clip are then frictionally trapped between the flange of the male member and an outer surface of the female component.

Abstract: A hinge assembly for casement windows is shown and described. The hinge assembly includes a slide block for connection to the sash arm that includes a reinforcing plate that extends downward before extending upward and around the flange of the track overhang. A larger undercut portion is provided beneath the reinforcing plate for added clearance between the slide block and fasteners used to secure the track to the window sill. The hinge assembly also includes a pivot base which is pivotally connected to the shorter tie bar or toggle link. The position of the pivot base with respect to the track can be adjusted as a means for compensating for sash sag. An additional hole is also provided to provide new anchorage in the case of a sash sag adjustment or additional anchorage for use in high wind areas. The pivot base also includes a quick disconnect retainer disposed beneath the pivot base and between the pivot base and the track and thereby hidden from plain view.