초록

A window casement designed to be attached to a window frame outside the window sash operative on the one hand to serve as a storm window and on the other hand to provide supplemental heating during the winter and cooling during the summer.

대표청구항 ▼

In combination with a window embodying a window frame and upper and lower sash, means defining a casement hingedly connected at its upper end to the window frame for swinging movement from a position of engagement with the window frame to a position standing angularly away from the window frame, sai

In combination with a window embodying a window frame and upper and lower sash, means defining a casement hingedly connected at its upper end to the window frame for swinging movement from a position of engagement with the window frame to a position standing angularly away from the window frame, said casement being comprised of a light-transmitting material and having at its upper end an opening paralleling the top of the window so that it will be in communication with the interior of the house when the upper sash is lowered and means in the casement for on the one hand absorbing heat from the sun and on the other hand reflecting heat from the sun.