Glass Panes for Windows and for other Illuminating Purposes.
Year: 1898

page_text: Date of Application, 14th June, 1898-Accepied, 3rd Sept., 1898
COMPLETE SPECIFICATION.
Glass Panes for Windows and for other Illuminating Purposes.
I, OSWALD EMMERT WINGER, of Joliet, State of Illinois, United States of
America, Civil Engineer, do hereby declare the nature of this invention, and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :-
My invention relates to glass panes for windows and for other illuminating
purposes, my object being to provide a pane having interior deflecting surfaces
for deflecting and changing the direction of the rays of light passing therethrough.
In Figure 1 I have illustrated a glass pane wherein the deflecting surfaces take
the form of reflecting surfaces a a extending longitudinally through the interior
of the pane. This form of pane is preferably built up of a number of blocks of
glass bb placed together with their faces in contact, the faces being smooth and
polished whereby the upper face of each block constitutes the light reflecting
surface.
I have illustrated several rays cc entering the receiving side of the pane,
being refracted, then striking the reflecting surface and being reflected.
In Fig. 2, I have illustrated a pane provided between the receiving and dis-
charging surfaces with a series of longitudinal openings or cavities d d, the
upper walls of which constitute reflecting surfaces dd, while the side walls d² d
constitute refracting surfaces. I have illustrated a ray of light centering the
pane and being refracted, then striking the reflecting surface and being
reflected, and then passing through the discharging surface of the pane. I have also
illustrated the ray e, which passes through the receiving surface, then through the
refracting surface d³, through the cavity to the refracting surface d², and then
through the discharging surface of the pane.
I have illustrated the reflecting surface d¹ and the refracting surfaces ď ď
as curved but they may be made all plane surfaces or one or more curved.
In Fig. 3 I have illustrated a pane wherein a series of tapering cavities off extend
longitudinally into the pane from one edge while another series of tapering
cavities ffextend longitudinally into the pane from the opposite edge. The upper
walls of the cavities constitute the reflecting surface, while the side walls d² d
constitute refracting surfaces. I have illustrated a ray f³ passing through the
pane an I acted upon by the reflecting surface, and a ray f* passing through the pane
and acted upon by the refracting surfaces.
In Fig. 4 I have illustrated a pane similar to that shown in Fig. 2, except that
the cavities are placed so as to be joined together to thus form, in effect, a single
cavity having an upper surface d', which may, when desired, constitute a reflecting
surface, and having a series of refracting surfaces d², and a series of refracting
surfaces d³, one of the refracting surfaces de being placed opposite each of the
refracting surfaces d³, whereby the rays may pass through both of the refracting
surfaces. I have illustrated several rays g g entering the pane, passing through the
refracting surfaces, and being thereby deflected.

page_text: Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is :-
1. A glass pane substantially as illustrated in Figure 1.
2. A glass pane substantially as illustrated in Figure 2.
3. A glass pane substantially as illustrated in Figure 3.
4. A glass pane substantially as illustrated in Figure 4.
5. A glass pane having formed therein one or more longitudinally extending
cavities, the walls of which constitute a deflecting surface or surfaces, substantially
as described.
G. A glass pane having formed therein one or more longitudinally extending
cavities, the walls of which constitute a reflecting surface or surfaces, substantially
as described.
7. A glass pane having formed therein one or more longitudinally extending
cavities, the walls of which constitute refracting surfaces, substantially as
described.
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Patent Agents,