US 2420000 A
Abstract available in
Claims available in
Description (OCR text may contain errors)
May 0, 1947;
w. c. LNToN l 2,420,000
ILLUMINATOR Foa covER PLATES Filed oct. 1o, 1944 SII Patented May 6, 1947 2,420,000 ILLUMINA'roR Fon COVER PLATES William C. Linton, Washington, D. C., assignor to Fuse Indicator Corporation, Rockville, Md., a corporation of Delaware Y Application October 10, 1944, Serial No. 558,055
(Cl. 24o-2) 1 Claim.
1 The present invention relates to cover plates for electrical outlet boxes and more particularly to an illuminator for such plates whereby the lat- 'ter may be more easily located in dark or secluded places, having among its objects to provide an illuminator which may be easily and readily applied to any conventional cover plate and one which may be connected to the cover plate without the use of separable fastening elements.
Y Another object of the present invention is to provide a cover plate and illuminator therefor which will be highly attractive and decorative when installed and comparatively inexpensive in the cost of manufacture, thereby rendering the same commercially desirable.
Other objects of the invention will be in part obvious and in part pointed out hereinafter.
In order that the invention and itsv mode of operation may be readily understood by persons skilled in the art, I have in the accompanying drawings and in the detailed following description based thereupon, set out an embodiment of the same.
In the drawings:
Fig. 1 is a front elevation of a cover plate having my improved illuminator attached thereto.
Fig. 2 is a vertical section through the cover plate showing the illuminator in side elevation.
Fig. 3 is a rear elevation of the cover plate.
Fig. 4 is a transverse section through the cover plate showing the illuminator in elevation.
Fig. 5 is a transverse section taken on the line 5-5 of Fig. 1 in the direction of the arrow points.
Fig. 6 is a detail front elevation of the cover plate with the illuminator removed.
Fig. 7 is another detail front elevation of the cover plate with the lamp supported therein but the lens or housing for the lamp being removed.
Fig. 8 is a slightly enlarged transverse section taken on the line 8 8 of Fig. 4 in the direction of the arrow points.
Fig. 9 is a plan view of the lamp supporting plate.
Fig. 10 is a transverse section of the lamp supporting plate taken on the line Ill-I0 of Fig. 9 in the direction of the arrow points.
Fig. 11 is a longitudinal section through the lamp plate taken on the line II-I I of Fig. 9 in the direction of the arrow points, and
Fig. 12 is a bottom plan view of the lens or lamp housing.
Referring now more particularly to the accompanying drawings wherein like and corresponding parts are designated by similar reference characters throughout the several Viewaliave;` illustrated a conventional cover plate for receiving a single throw switch of the toggle type which is preferably molded from translucent materials and may be of any color or design as would keep the same in harmony with the decorations upon the wall or other support to which the cover plate is'applied. This cover plate is preferably rectangular in conguration, as shown, having a central wall I in which is formed a rectangular opening 2 and the latter receives the knob or lever of the toggle switch contained within the cutout box. Formed with the rear face'of the body portion of the plate are a pair of projections 3 through which extend openings 4 for the reception of the attaching screws (not shown), whereby the plate may be connected in the usual manner to the cutout switch or box therefor. I employ a cover plate of the above type and cut or have formed therein adjacent its upper end, a substantially cross-shaped opening 5 through which extends and is supported therein an illuminator embodying the present invention,
This illuminator comprises a back or lamp supporting plate 6 preferably molded from insulated material and of a rectangular configuration, as shown, whereby it may be placed closely adjacent the rear wall of the cover plate I inthe manner as better illustrated in Figs. 2 and 3 of the drawings. Formed with and projecting from one face of this plate B is a pair of parallel walls 'I each having a knob or projection 8 formed therewith and arranged adjacent their outer ends, and each projection having an outer inclined surfaceas shown. Also formed with one face of this plate and projecting at right angles therefrom is acupshaped member 9 preferably of a cylindrical configuration and having its outer end open. A partition I8 is formed with the cup or receptacle 9, dividing the same into two separate compartments II and I2. Also formed with and extending through the plate 6 are the openings I3 and I4, the latter opening I4 registering with the cornpartment I2 formed within the receptacle 9.
The lamp housing or lens is also preferably molded from translucent materials and may be in various colors or a color that will match or harmonize with the cover plate l. This lens l5 is preferably of rectangular conguration as shown, with its lower or bottom face open, which communicates with the compartment IB formed therein. The inner face of each side wall Il of the lens is provided with a vertically extending recess i8 into which may extend the walls 1 o1 the plate 6 and these side walls Il of the lens walls 1 project through the enlarged portions of l0 tion. the opening 5 formed within the cover plate;'
and when the lens I5 is connected to the walls or projections 1 of the plate best illustrated in Fig. 8 of lamp plate and lens will be"securelLlanked\'in,` place upon the cover plate.
or walls 'I fitting within the-.e
6 in the manner as' B rheqrojections gedportions of the opening 5, the lamp plate 6' will be prevented from lateral-movement and as the outer ends -of thesemojections 1 fit within recesses I8 formed ,withinftheinner..wallsof theflens I5, the latter fwillfbe prevented from sliding movement upon the .cover plate. f Y
The type lof lamppreferably used4 isa miniature neon lamp 2B havingaleak resistor 2l .connecteol in series therewith... .These .lamps are known to consume `only.aninnitesimal amount of .current and haveA a relatively long life, thereby .making the same .especially desirable for the purpose of .illuminatingzcover plates.. A.By mold,- ing the `lens- I5 and thecover plate Iv from translucent-,molding materials. and employinga neon lamp of A.theN aforesaidE Icharacter,- a faint .glow of light is diffused over the outer faceof the plate I, whereby, one canreadily locate Vtheplatein darker secludedrplacesand yet at other times, theglowof .lightrenders the Ucover. plate very attractive, especiallywhere .the cover .plateand lens are in colors or a combination of colors.-
Theleakresistorll is preferably .prepared from .a molded v.corr1positio'n. whichV Ais `placed within thecup Eiland thepartition I 0 arranged within the cuphaving Va recess in the outerv face thereof, .permitsv this molded composition to extend withinboth of the .compartments II and I2. One lead wire 22 from the lamp is connected to the leak resistor and extends `within the' compartment I I of thecup 9, whereas, the other lead Wire23 of the lampds connected as at .24 to one end. of a wire 25.. Another wire or connector 26 has one end extending through ,the opening I4 ofthe plate 6 and. terminates withinthe compartment I2 of the receptacle 9. The connector or wire 25 extends through the opening. I3 .of the.plate 6. The opposite ends of the wiresor conductors 25 and-26 are connected to the terminals of the switch or other. electricaldevice-which is arranged within. thecutout boxlto which the cover plate is applied, wherebyVthe wires l25 and 26,. lamp..20 and. resistor 2| V:will be arranged in serieswith .the terminals-of the .switch .but in parallel thereto, whereby, when the switch is opened, the current may be directed to the lamp 20 for causing the same to glow but when the switch is closed, the current will pass therethrough and the light will be extinguished.
Manifestly, the construction herein shownls capable of considerable modiiication and such modifications as come within the scope of my claim, I consider lwith/i/ntlrie'spirltof my inven- I claim:
A combinscutcheon for electrical outlets an amphousing assembly therefor molded from plate having'innerand outer parallel walls and a rectangular shaped opening extending therethrough, said cover plate having recesses therein arranged at theopposite sides of the rectangular shaped opening therein, a lamp supporting plate seatable directly upon vthe inner wall of said cover plate andextending -completely .over-the rectangular shapedA opening therein,l a pair. of yieldable walls each having-one end formed'with said lamp supporting plate,said .yieldable Walls' extending through the recesses ywithin said cover plate to prevent.-rectilinearlslidingor yturning movement-of -saidlamp supporting platevwith respect -to .said cover plate, knobs-'formedwith the outer. extremitiesof said yieldable Awalls and spaced from the outer wall of said cover platepa translucent lamp .housing extending completely over the rectangular shapedopeningwithin said cover p1ate,1side and. end.- walls formedv with said lamp: housing andaaseatable. directlyrfuponfsaid cover, plate, .said .side walls or the lamp. house ing having recesses: :therein fora receivingnthe outer.` extremities. of .said ly-ieldable. walls .of the lamp-supporting plateA soas to prevent rectilineal sliding or -turning-movementof said lamp'housing with respect to -said' :cover plate; I -knob `projections formedwith saidlamp housing and having asnap-on connection with the knobsof vsaid yieldable' walls 4whereby said-.lampv supporting plate and the side and end Walls of sgaidalamp housing will be caused to engage saidcover plate and-be retained thereupon. A
The following 'referencesvare 'of recordin the le of `rthis patent:
UNITEDY STATES' PATENTS Batcheller June 25,l ,1940
,the drawings.the'/plastic.insulating materials comprising a cover