US1987471A - Lighting unit - Google Patents

Description

L. C. DOANE LIGHTING UNIT Filed July 28, 1952 xNvEm-on Leroy C Doane v MMM ATTORNEY Jan. 8, 1935.

Patented Jan. 8, 1935 UNITED STATES PATENT OFFICE LIGHTING UNIT Leroy C. Duane, Meriden, Conn., assigner to The Miller Company, Meriden, Conn., a corporation of Connecticut Application July 28, 1932, Serial No. 625,239 Claims. (Cl. 240-78) 'Ihe present invention relates to lighting units, as an S-2 e lamp, is carried in the pendant and is moreparticularly directed towarda light- Y socket 13. ing unit designed for employing both ultra-violet The light from the ultra-violet light radiator and ordinary incandescent lamps. is reflected downwardly by the reflector 25 and 5 The present invention contemplates an imthe light from the incandescent lamps is diffused 5 proved dual purpose lighting unit adapted to by the shade 23. employ a number of ordinaryA incandescent lamps The structure shown segregates the heat `from inside a diffusing shade and a single, preferably the incandescent lamps and the heat losses from pendant, ultra-violet radiator, such as a vlamp the ultra-violet lamp and socket. Theheat of the S-2 type. 'losses from the socket 13 and the convection cur- 10 According to the present invention, the lightrents rising from the pendant lamp pass out ing unit is arranged so that the ux from the through the ventilation openings in the socket pendant ultra-violet radiator is directed downcover 14 and escape through the upwardly openwardly and the flux for the incandescent lamps ing stamping 17. The heat from the incandescent l5 is diffused outwardly yby the glass shade, most lamps ISO-escapes in the usual manner Without l5 of this light being sent in an upward direction. heating up the central lamp socket.

The invention also contemplates a lighting unit The arrangement herein shown facilitates of the general type above referred to wherein cleaning and lamp bulb renewals and the nxture provision is made for dissipating heat from the may harmonize in general appearance with other socket employed for the ultra-violet radiator. similar xtures which do not employ an ultra- 20 Other and further objects will appear as the violet radiator. description proceeds. It is obvious that the invention may be em- In the accompanying drawing, the single figure bodied in many forms and constructions within shows, for purposes of illustrating the present the scope of the claims, and I wish it to be uninvention, an embodiment in which the invenderstood that the particular form shown is but 25 tion may take form, it being understood that the one of the many forms. Various modications drawing is illustrative of the invention rather and changes being possible, I do not otherwise than limiting the same. limit myself in any way with respect thereto.

The lighting unit shown in the drawing is What is claimed is: carried by a loop 10 secured to a nipple 11. This 1. A lighting unit comprising a suspension, a 30 nipple carries a hickey 12, pendant lamp socket pendant lamp socket at the lower end of the sus- 13, and socket cover 14. An ornamental spacer 15 Dension, the SuSpenSiOn having outwardly eX- is placed about the nipple 11 and supports a tending arms above the lamp socket, acup shaped bracket 16 of any suitable form. This bracket Stamping Secured at its upper portion to the ends may extend downwardly as indicated and is se- 0f the arms and having an Opening in the bottom 35 cured to a cup shaped stamping or spinning 17. to sive access t0 the Socket, a plurality of lamp This stamping er spinning has a central aperture Sockets Secured to the Cup Shaped stamping, lamp 1s underneath the socket 13, e. shoulder 19 te rebulbs therein, an annular glass shade open at the ceive the lower edge of the socket cover 14, and top and bottom and Surrounding the lamps, means carries a number of lamp sockets 20. The upper to Suppor? the Shade from Ehe upper Portion 0f 40 edge of the stamping or spinning 17 is bent downthe Stampmg an upwardly dlshed centrally aper Wardly as indicated at 21 to receive shade hold tured reector detachably secured to the lower ing Screws 22 edge of the shade, and a lamp bulb passing through the reflector and stamping and threaded A diffusing glass shade 23, open at the top and into the pendant socket. 45

bottom as indicated, is supported by the shade holding screws 22. The bottom opening 24 of this pe'dnlllog glmlrargseog; Shade is Closed by a reectfr 25 preferably pension, the suspension having outwardly extendmade Of Sheet aluminum. '11h15 reetor has a arms above the lamp socket a cup shaped Central aperture indicated at 26 and 3, bOOm Stamping Secured at its upper portion to the ends ange 27. It carries a number of spring clips 28 of the arms and having an opening in the bottom adapted to engage the upper surface of the glass to give access to the socket, a plurality of lamp as indicated. sockets secured to the cup shaped stamping, lamp Incandescent lamp bulbs 30 are carried in the bulbs therein, an annular glass shade open at the sockets 20 and an ultra-violet radiator 31, such top and bottom and surrounding the lamps, means 5 5 Cil to support the shade from the upper portion of the stamping, an upwardly dished centrally apertured reector detachably secured to the lower edge of the shade, a lamp bulb passing through the reflector and stamping and threaded into the pendant socket, and a socket cover about the pendant socket and engageable with the stamping to center the parts'.

3. Alighti'ng fixture comprising a suspension, a pendant lamp socket at the lower end of the suspension, a cup shaped body stamping secured to the suspension, the stamping being outwardly anged at the top and centrally apertured to allow access to the socket,fa; plurality of lamp sockets carried by the side walls ofthe cup shaped stamping, a glass shade open at the top and bottom, shade supporting meanscarried by the flange, the flange closing the top of the shade, lamp bulbs in the second mentioned sockets' and screened by theshade, the upper opening in the shade being large enough to pass by the sockets but not the bulbs a shade supported reflector removably carried in the lower opening of the shade and extendingadjac'ent the center of the stamping, the lamp bulbs being removable when the reflector is released, and a lamp bulb in the pendant socket` and extending through the re- Hector.

4. In-a lighting fixture, a suspension carrying 5. In a lighting fixture, a suspension, a spider carried thereby, an upwardly opening cup-shaped stamping secured at its top to the spider and apertured at the bottom, a hickey carried by the suspension, a pendant lamp socket secured below the hickey, a socket cover about the pendant socket having its lower edge in contact with the cupshaped stamping, a pendant bulb extending through the stamping aperture and into the pendant socket, a plurality of lamp sockets carried by the wallsv oi the cup-shaped stamping, the stamping formingma wiring chamber, lamp bulbs in the sockets, an enclosing glass shade about the latter mentioned bulbs, and securedtothe upper edge of the stamping, the bottom of the shade being open. and a reiiector detachably carried by the shade and extending from its lower edge to the neck of the pendant lamp bulb.

LEROY C. DOANE.

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