US2124793A - Reflector - Google Patents

Description

212$, H33. 6. A. PERSONS 2,

REFLECTOR Filed Feb. 13, 1936 Patented July 26, 1938 UNITED STATES E Charles A. Persons, Worcester, Mass., assignor to Persons-Majestic Mfg. Company, Worcester, Mass, a corporation of Massachusetts Application February 13,1936, Serial No. 63,753

8Claims.(

This invention relates to a class of reflectors usually employed as warning and signal lights and depending upon the rays of the lamps of an automobile or the like for thelight that is to be 5 reflected by them.

The principal objects of the invention .are to provide a construction of casing for the reflector and the glass parts thereof which will be solid and prevent the leakage of moisture and the entrance of dust and yet be free from'gaskets or .other methods which are subject; to deterioration; to provide an inexpensive and durable means for rigidly mounting the casing on a frame, wall or the like. which may be either sta- 15 tionary or movable and at the same tlme'to provide a hermetic seal to protect, the lens and reflector.

Other objects and advantages of the invention will appear hereinafter. a

4 20 Reference is to be had to the accompanying drawing, in which Fig. l is a front elevation of a complete reflector in circular form constructed in accordance with this invention;

25 Fig. 2 is a sectional view of the same on the line 2-2 of Fig. ,1;

Fig. 3 is a fragmentary front view of the casingby itself e Fig. 4 is a. side view of the same as indicated 30 by the arrow! in Fig. 3;

r Fig. 5 is a front view of the glass part of the device;

Fig. 6 is a plan or edge view of the'same as indicated by the arrow 6 in Fig. 5; 35 Fig. '7 is a front view of the reflector;

Fig. 8 is a plan or edge view of the reflector as indicated by the arrow 8 in Fig. 7 r

Fig. 9 is a radial sectional view of the edge of the entire device showing how the parts are secured together;

Fig. 101s a sectional view on the line lI-Jl of Fig.

Fig. 11 is a front elevation of a complete reflector in hexagon contour; and

Fig. 12 is a front elevation of a complete reflector in octagonal contour with the front of the casing eliminated except for .a bezel to retain the lens plate in position.

The invention is shown as applied to. a type of reflector involving a transparent glass unit ll composed of a flat plate H with integral curved surfaces It and It on opposite sides, the radii of which are not the subject of this invention.

rim I4 projecting from the rear. However, it and the corresponding parts may be of any contour adapted to the construction, some of the practicable forms being hexagon, oval and octagon, although I do not limit'myself to these.

The glass plate II, with the parts integrally connected with it. is enclosed in a casing ii of metal which is shown as having two perforated -ears Ii through which it may be fastened to a wall, vehicle body or other support. This casing extends to the front of the glass plate where it is provided with an integral plane plate ll perforated to receive the projections I! on the glass plate and to locate the same therein, or, except for a retaining bezel 25 leaving an. opening smaller-than the transparent plate It, the entire face of the casing may be eliminated.

Behind the glass is a reflector plate It which is of bright'metal and formed therein are concave reflectors I! which register with the lens and .receive and return the light entering through the lens. Around the edge of this reflector plate I8 is a marginal projection 20 which flts over the rim ll of the glass plate and also extends over that rim and enclosesthe periphery of the glass plate by means of a flange II. These two parts are in contact, and rigid, with respect to. each other. On the rearward side of the plate ii, in addition to the lens protuberances, is a series of relatively small protuberances 26 which are $0 located as not to interfere with the passage of light to orv from the reflecting surfaces l9. These small protuberances engage the reflector plate It and provide a means to accurately locate all sections of said plate in relation to the lenses.

This reflector plate 18 is enclosed in a back plate 23 having a cylindrical. flange 24. Thus the lens plate and the reflector plate are sealed together in accordance with this invention in an inexpensive and simple manner so that it is ca- 40 pable of preventing the entrance of dust and dirt and is also hermetically sealed. This method of securing the reflector plate and lens plate together and at the same time providing the de sired seal is accomplished through the employment of one or more layers 22 of adhesive tape or other sealing material. Three such layers are shown in the drawing and it will be seen that through contact they directly seal the parts 20 and ii to the flange ll of the lens plate. This constitutes a very inexpensive and'easily manufactured device for securing the above mentioned results, or it may be accomplished by the use of a, band of rubber applied to the peripheries of the 56 lens plate ii and reflector plate it, thus sealing these plates together.

Having thus described my invention and the advantages thereof, I do not wish to be limited to the details herein disclosed, otherwise than as set forth in the claims, but what I claim is:-

1. As an article of manufacture, a light reflecting device comprising a lens plate of transparent material provided with a rearwardly extending rim about its periphery, aseries of projections on opposite sides of said plate constituting lenses and a series of relatively small projections on its rearward side constituting means to maintain a reflector plate in proper relation to said lens plate, a reflector plate having concave bright surfaces, a flat portion between them, said concave surfaces located directly behind the lens projections on the transparent plate, spaced from them by the relatively small. projections which engage the flat portion and the rim on said lens plate, and having about its periphery a'for-' wardly extending flange fltting the rim on said lens plate, said flange being of less depth and slightly greater width than the outside of the rim on the lens plate, and a band of sealing material secured to the periphery oi the lens plate and of the reflector plate to hermetically seal them together.

2. As an article of manufacture, a light reflecting device comprising a lens plate of transparent material having a series of light concentrating, protuberances on its rear face and'a series of relatively small projections among said protuberances, a reflector plate having concave bright surfaces aligned with the light concentrating protuberances and having portions among said concave surfaces in contact with said small projections, and having about its periphery a forwardly extending flange which flts about and is of less depth than the periphery of said lens plate, a band of sealing material -secured to the peripheries of said lens and reflector plates to hermetically seal them together.

3. As an article of manufacture, a light reflecting device comprising a lens plate of transparent material having a series of light'concentrating protuberances on its-rear face and with a series of relatively small projections among said protuberances constituting means to maintain a reflector plate in proper relation to said lens plate and having a rim about its periphery, a reflector plate having concave bright surfaces which are aligned with the light concentrating protuberances and are spaced from them by the relatively small projections which engage the reflector plate between the concave surfaces and the rim which engages a marginal portion of said reflector plate and having a forwardly extending flange which flts about the periphery of said lens projections and has about its periphery a forwardly extending flange which flts the rim on said lens plate and is of less depth than said rim,

va band of sealing material which is secured to the peripheries of said lens and reflector plates to hermetically seal them together.

5. As an article of manufacture, a light reflecting device comprising a lens plate of transparent material having a series of light concentrating protuberances on its rear face and a rim about its periphery, a reflector plate having concave bright surfaces which are aligned with the light concentrating protuberances and are spaced from them by the rim which engages a marginal portion of said reflector plate ahd having a forwardly extending flange which flts about the periphery of said lens plate and is of less depth than said rim, and a band of sealing material I secured to the peripheries of said lens and reflector plates to hermetically seal them together.

6. As an article of manufacture, alight reflecting device comprising 'a lens plate of transparent material provided with a rearwardly extending rim about its periphery and with a series of projections on opposite sides of said plate which constitute lenses, a reflector plate having concave bright surfaces which are located directly behind the lens projections and are spaced from them by the rim which engages a marginal portionv of the reflector plate and having about its periphery a forwardly extending flange which flts about the periphery of said lens plate and is of less'depth than said rim, a band of sealing material secured to the periphery of the rim of the lens plate and of the flange of the reflector plate to hermetically seal them together, a front flat casing having a plane front wall provided with a series of holes through which the projectionson the face of the lens plate project and a rearwardly projecting flange surrounding the lens and reflector plates and having two ears formed on opposite ends at the rear of the flange, and a rear casing comprising a plate having a forward flange closely fltting inside of the flange portion of the front casing.

CHARLES A. PERSONS.

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