US1582817A - Lighting fixture - Google Patents

Description

April 27 1926.

. s. G HIBBEN LIGHTING FIXTURE Filed Jan. 27, 1921 FIG-'1-2.

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Patented Apr. 27, 1926.

UNITED sTATEs -rATeNT oFFlcE.

SAMUEL G. HIBBEN, OF BLOOMFIELD, NEW' JERSEY, ASSIGNOR T0 GEORGE CUTTER GOMIANY, A CORPORATION OIF INDIANA.

LIGHTING FIXTURE.

Application led January 27, 1921. Serial No. 440,462.

T all whom t may concern: are provided through the casing, for ventila- Be it known that l, SAMUEL Gr. HIBBEN, tion. The wings 12 are flared outward forma citizen of the United States, and a resident mg a slightly inclined outwardly extending of Bloomfield, in the county of Essex and portion 14, which at its outer limit is State of yNew Jersey, have invented a new turned vertically downward forming ash-ouland useful Improvement in Lighting Fixder 15. Beyond this shoulder the wings are tures, of which the following is a specificaagain extended outward and slightly downtion. ward forming terminal inclined portions 16.

10 The 'object of th'e invention 1s to furnish a Fig. 1 in the sectional part. It will be unsupport for lamp shades or globes, and parderstood that the members 12 while referred ticularly sha-des or globes for use with the to as wings, may be of any desired form yor so-called nitrogen lamp, and for globes or width, and may be reduced to mere rods.

This invention relates to lio'hting fixtures. This construction is clearly illustrated inshades which are closed at the bottom. Likewise that the member 15, shown as a 15 A further object is to furnish a threeshoulder, may be merely a hump, or any point support in ay form that will hold the upwardly extending member adapted t0 englobe or shade in stable position, but from gage the edge of the globe or shade to prewhich the globe or shade may be readily vent lateral movement thereof. 4 removed without the lnecessity of loosening A sleeve member is slidably mounted 20 any set screws or other fixed parts.` Another on the loutside of the casing member 7, and object is to make such a fixture in a form is large -enough to slide freely up and down that will be thoroughly ventilated, dustthereon, and also to slide over the straps proof, neat in appearance, easily and cheaply 5 for removal from the fixture without de manufactured, and of an ornamental design. tachment of any parts. Near its upper edge Referring to the drawings Fig. 1 is a side the sleeve member 2O has formed a raised elevation and partial vertical section through annular band 21, for ornamental effect. Toa fixture embodying thisinvention; and Fig. wards its lower end the sleeve member is 2 is a vertical horizontal section yon the line flared outwardly forming a sloping wall 22, 2-2, of Fig. 1. and through this flared portion 22 are pro- The fixture is normally` suspended by a vided a number of Ventilating perforations chain 1, the lower link of which is yattached 23. A metal projection in the form of a to a ring member 2, which screws into a colspring 24C or similar .member may be atlar member 3, which supports a spider memtached to the inside of the sleeve'member, ber 4, having a plurality of downwardly exthat will hook above the ring 6, thus entending straps 5, terminating in a band or abling the sleeve mem ler to be hung in its collar 6. Supported by thisband or collar raised position when globe is being removed.

6 is a tubular casingmember 7 having an The flared portion 22 of the sleeve member internal inturned flange 8 at its upper edge. terminates in a' cylindrical portion 25, which Mounted upon the upper side of this flange has its lower edge turned back upon itself 8 is a felt washer'9 attached to the ange by to form an ornamental flange or bead 26.

suitable pins 10. The collar member 6 is Supported by a'threaded terminal 30 of attached to the casing 7 by means of rivets the ring member 2 is a standard lamp socket 11, or by any other suitable means. At its 3l, which is suitably arranged and wired to l lower end of the casing member 'l is flared receive the threaded base ofan incandescent.

outward and formed into three lateral wings electric lamp. This fixture is particularly 12, which are illustrated in vertical section designed for lamp bulbs of the type now in Fig. 1, and in plan view in Fig. 2. Just commonly used for nitrogen lamps, which above these wings, and in the tubular part comprise an elongated neck 32 and enlarged of the casing a number of perforations 13 bulb 34, the bulb surrounding the lamp filament. The neck 32 of the lamp extends upward inside the tubular shell member 7, and the bulb is adapted to lie below the flared supporting members 12, as will be obvious.

The lamp globe or shade, surrounding the bulb 34 is used with the metal members above described. VVThis member may vary in shape and construction, and may be simply a`shade,entirely open at the bottom or a complete globe, having only a single opening at the top. In either case it is made with an opening at the top adapted to enclose and seat upon the supporting wings 12. In order that this may be done-.the globe or shade is made with an outwardly and downwardly extending upper portion 40, which extends inward to a substantially cylindrical struction. This terminal flange 41 has an external annular groove 42, normally intended to receive set screws 'for supporting` the shade or globe. Such annular groove, however, is standard construction and is not an essential part of the design, Globes or reflectors may be used without such annular groove if desired. In the present case the opening through the neck 41 of the globe is of a diameter slightly larger than the diameter of the shoulder portion 15 of the supporting member. Normally theI underside of the dared portion 40 of the globe seats upon the upper side of the three supporting wings, .in the position clearly illustrated in the sectional. view of Fig. 1. The shoulder 15 prevents anything' more than a slight lateral movement of the globe which is held in the position indicated by the weight of the. globe. However, when the globe is lifted far enough for the underside of the portion 40 thereof to be higher than the top of the shoulder 15. the globe may then be moved laterally until the neck 41 comes into contact with the cylindrical wall 7 of the main casing. The supporting wings 12 are of such extent that when the globe is raised and pushed inward upon the flared portion 14 of the support, until its further movement is stopped bv contact with the cylindrical shell 7. that thereafter a tilting of the globe downward on the side. opposite that in which the globe and shell are in contact, will permit the supporting wing 12 on the free side to pass upward through the opening in the neck 41, and thus permits removal of the globe from its support without the necessity of taking out any screws, or the removal of any parts whatever from the fixture.

It will be observed that the sleeve be readily pushed upward with one the operator, to permit the globe to be shifted laterally to remove it from its support; and that when the globe is in normal position as shown in Fig. l, and the sleeve 2O is brought down to its normal position,

2O may hand of leaves an opening terminal flange 41, which is a standard concooperatin g with the shoulder 15, it locks the globe in position so that it cannot be'shifted laterally to a point where it can be removed from the fixture. In other words, the sleeve 20 acts as a lock against accidental removal of the globe from the fixture. It also acts as a lock in case the globe should be accidentally raised, since in such cases the sleeve 2O would still be in engagement with the neck 21, and would prevent its lateral shifting, and when the pressure from beneath was removed the globe would settle back to its normal position.

This fixture gives a three-point support for the globe or shade, ensuring its stable position at all times. The arrangement of collars 3 and 6 and connecting straps 5 for access to the socket 31, for wiring that member, and also for the protrusion of a switch key, if desired. These straps also add to the ornamental appearance of the fixture and reduce the amount of the metal required. This strap construction is not objectionable on account of dust, since the felt washer 9 seals the lower part of the lamp against admission of dust through the openings between the straps. The lamp is self Ventilating by means of openings 13 and 23. The sleeve 2O may be readily raised and held up by onef,

hand of the operator while the shade isbeing removed or replaced. Y

The many uses and advantages of the invention will be apparent to those familiar with the art.

I claim:

1. A lighting fixture comprising a supporting member, a lamp socket attached thereto, straps attached to the support and carrying ber surrounding the lamp socket, a packing member between vthe she-ll and socket and above the perforations in the shell to prevent passage of hot air therebetween, said shell member extending downward around the socket and having its lower portion flared out to form a three-point support for a lam globe or shade, and a free-ly slidable cylindrical perforated sleeve mounted on the outside of the said shell, the lower portion of the said sleeve being flared out and turned down to form a cylindrical portion adapted to engage the flange of a lamp globe or shade to prevent lateral movement thereof.

2. In a lighting fixture, the combination of a supporting member, a lamp socket attached thereto, a suspended unit having a central flaged opening at its top, a depending perforated shell attached to said supporting member and surrounding said lam socket, the lower portion of said shell being trifurcated and flared outwardly to provide a 3-point seat for said unit and alternate openings to permit insertion of said members in said unit, a cylindrical perforated a cylindrical perforated shell memsleeve member mounted on and around Seid shell, the lower portion thereof being flared out to form an enlarged peripheral cylindrical portion adapted to engage a terminal flange on said suspended unit, when said unit is seated on sind shell, to prevent lateral movement thereof, and a heat-insulating socket betw above the perforations een said trifurcated seat and in said shell.

In testimony whereof, I have hereunto set my hand.

SAMUEL Gr. HIBBEN.

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