US586211A

US586211A - Olin ii

Info

Publication number: US586211A
Authority: US
Publication date: 1897-07-13
Anticipated expiration: 1914-07-13

Description

0. H. BASQUIN. WINDOW LIGHT.

Patented July 13, 1897.

m wn 1. w

(No Model.)

@unum% 11ml UNITED STATES PATENT OFFICE.

CLIN II. HASQUIN, OF CIIICAGO, ILLINOIS, ASSIGNOR TO THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.

WINDOW-LIG HT.

SPECIFICATION forming part of Letters Patent No. 586,211, dated July 13, 1897.

Application filed March 8, 1897. Serial No. 626,384. NO model.)

T @ZZ uffi/07?@ t 'Hw/.U @wwf/VIL: prisms face in several different directions.

Be it known that I,OLIN I-I. BASQUIN, a citi- The position of the prisms or ribs will of zen of theIInited States, residing at Chicago, course depend upon the conditions to be met.

in the county of Cook and State ot Illinois, These prisms may, however, be so positioned 5 have invented certain new and useful Iinas to direct the light toward any given point.

provements in IVindow-Lights, of which the Hence the window, instead of dilusing the following is a description. light in a haphazard manner, is constructed My invention relates to light-diiiusing deafter a definite plan, so as to direct the light vices for windows or the like, and has for its toward definite points. 6o

io object to provide a new and improved light In Fig. 2 I have shown the portion of a windi'ttusing device for this purpose. dow provided with a series of sections C oi I have' illustrated my invention in the acordinary prismatic glass, the sections being companying drawings, wherein set upon end, as it were, and so positioned Figure l is a view of a section of a window that the prisms face in several different di- 15 embodying my invention. Fig. 2 is a similar rections, thereby throwing the light toward view showing a somewhat modied form. different parts of the room. Fig. 3 is a section of glass, showing a further In Fig. 3 I have shown a section of glass modiiied form of my device. Fig. 4c is a secprovided with a series of prismatic sections tion on line 4 4 of Fig. S. D, such sections being formed so as to pro- 7o zo Like letters refer to like parts throughout ject the light in several diiterent directions. the several figures. The section D', for example, projects the IVhen ordinary prismatic glass is used in light in one direction, while the section D2 windows, the light striking the window is throws the light in another direction. These changed in direction and is projected toward sections are formed after a definite plan, so

2 5 the rear ot the room and greatly increases the as to throw the light in certain given definite illumination of such room. I have found, directions. however, that under some conditions-as, for Of course I do not wish to be understood example, where the light can only be receivedA as indicating that I have shown all of the arthrough narrow openings on account of buildrangements of such prisms as might be made 8o 3o ings or the like opposite a window-the illuto accomplish the desired result.

minating effect produced by the use of the Briefly stated, my invention is essentially ordinary prismatic glass is very much reas follows: IVhen the prism window-light, duced. When the construction herein shown having prisms thereon systematically aris used, the light is more thoroughly diffused ranged to increase the illumination of the 3 5 throughout the room, such light being thrown apartment, is applied to a window, such in several different directions instead ot' beprisms, as ordinarily arranged heretofore, ing projected straight forward, as is the case throw the light directly back into the room, when the ordinary prismatic glass is used. and Athus concentrate the light in certain I have illustrated several forms oi glass parts of the room. Now to secureacompara- 9o 4o embodying my invention in order to more tively even distribution of such light it is clearly illustrate its use, but it is of course necessary to set the prisms which go to make evident that other forms than those shown up such prismplate angularly with reference may be used to produce the desired result, to each other or to tilt them.- By this means and I of course do not wish to be limited to the light can be distributed as desired, some 4 5 the construction shown. being sent directly back into the room, some In Fig. l I have shown the portion A of a of the light being thrown on one side of the window provided with a series of sections B course of such direct light, and some light oi glass, such sections being provided with being thrown on the other side. projecting ribs or prisms. These sections, as I clainim roo 5o shown in Fig. l, are hexagonal in shape and A prismplate for a window, consisting of are so positioned that the projecting ribs or aseries of individual prisnrlightsach prismlight having onone side a receivingsurfacc and on the other a prism-surface comprising a series of prisms systematically arranged to produce an increased illuminating effect, and a frame whereby all of these prism-lights are attached together to produce a prism-plate, the individual prism-lights tilted or inclined in their positions in the plate so as to set the prisms at angles to each other to throw the light from any part of the completed plate in 1o any desired direction, substantially as shown and described.

OLIN ll. BASQUIN. Witnesses:

DONALD M. CARTER, LILLEY W. JoHNsToNE.