초록 ▼

A component for a window frame includes a first elongate member having an open side and a second elongate member. The second elongate member is attachable to the first elongate member at the open side. This defines with said first elongate member a closed space within said component. The component a

A component for a window frame includes a first elongate member having an open side and a second elongate member. The second elongate member is attachable to the first elongate member at the open side. This defines with said first elongate member a closed space within said component. The component also includes ventilating apertures.

대표청구항 ▼

[ What is claimed is:] [1.] A component for a sash window frame having a pulley, cord and weight arrangement, the component comprising a first elongate member defining an open side so defined to face outwardly from a wall in which the component is to be mounted, the first elongate member including f

[ What is claimed is:] [1.] A component for a sash window frame having a pulley, cord and weight arrangement, the component comprising a first elongate member defining an open side so defined to face outwardly from a wall in which the component is to be mounted, the first elongate member including first and second opposite side wall members and a rear wall member from which the side wall member extend, the wall members being arranged such that the open side is opposite the rear wall member, a second elongate member provided on the open side to define with said first elongate member a substantially closed space in which said pulley, cord and weight arrangement can be received, a plurality of pairs of cooperating formations spaced along the first and second elongate members, each pair of co-operating formations being in the form of a projecting element selected from the group comprising plugs and screws provided on one of the first and second elongate members, and said pair further including a recess defined by the other of the first and second elongate members to receive the protecting element, wherein the co-operating formations are provided to attach the first elongate member to the second elongate member, whereby when the first and second elongate members are attached to each other by the co-operating formations, the first and second elongate members are substantially incapable of movement relative to each other, and wherein the component includes a plurality of ventilating apertures therein to define a ventilation path therethrough.