US1266651A - Lighting socket and holder. - Google Patents

Description

H. H. ASHINGER.

LlGHTlNG SOCKET AND HOLDER.

APPLICATION [FILED AUG-1.1917.

Patented May 21, 1918.

2 SHEETSSHEET 1.

H. H. ASHINGER.

LlGHTlNG SOCKET AND HOLDER.

APPLICATION FILED AUG.1.1917- 1,266,651. Patented May21,1918.

2 SHEETSSHEET 2.

to been mounted in place. Another obJect is to provide a reflector holder of speciahde,

HERE-Ell? H. ASE'INGEB, 0 SOUTH BEND, IHDKA1.&, ASSIGNOR I GEORGE CUTTER GQEEPMTY, Q EFIBUTH BEND, HDIANA, A CQRPOELA'EIQN 033 INDIANA.

nionrrnesocnnr new Roman.

. Application filed August 1,

a citizen or" the United States, residing at South Bend in the county of St. Joseph and State oi Indiana, have invented a certain new and useful Improvement in Lighting Sockets and Holders, of which the following is a specification.

M invention relates to lighting sockets and olders, especially those intended for in dustriul use in. factories, warehouses similar places. My device constitutes a conibined socket and reflector holder, and the general object of the invention is to provide a device of this character which shall have practically universal application and wh ch shall be structurally simple and easy to in- I stall and work with. It will be understood by those familiar with the art that in incandescent lighting, especially in hidustrial buildings, the supply conductors lead to an outlet box, and that sometimes it is desirable to locate the lamp bulb close to or substantially at the outlet box, while at other times, it is desirable to bring the bulb lower down into the room. For this purpose a down ipe or stem is usually employed, the bulb eing mounted at the lower end of it. One of the specific objects of my invention is to provide a socket which lends itself with pan ticular facility to being attached either to the outlet box itself or to the lower end of the down pipe or stem. In my present form of device the conductive shell into which the lamp base screws is housed within a block or porcelain'which may be attached either to the outlet box or to a hood flange carried atthe lower'end of the stem, the attaching means, being independent of the parts which perform any electrical function or which serve to fasten the reflector holder to the insulating block. Another object of the inventionis to provide a construction. in which the supply conductors lead through the body of, the insulating block to the bottom thereof so that they may be connected or disconnected by simply manipulating a screw driver from underneath the block. This makes it possible to establish the electric connection after the insulating block has sign having its own individual means of attachment' to the block and having quick Specification of Letters Patent.

acting and efiicient means of attachment to and detachment from the reflector holder.

I accomplish my objects by the mechanism illustrated in the accompanying drawings, in which;

Figure l is an axial section of. the assembled device showing it fastened to the lower end of a stem and having a lamp bulb and reflector in position. The plane of section is indicated by the line ll Fig. 3.

2 is an axial section on the line 22, Fig. 3.

Fig. 3 is a bottom plan of the parts shown in Fig. 2.

Fig. 4; is a plan section on the line t t, Fig. 1.

Fig. 5 is a perspective of: the threaded shell and the electric connections therefor.

Big. 6 is an axial section on the line 6-6, Fig. 3.

Fig. 7 is an axial section similar to Fig. l, but showing the device fastened to an outlet box instead of to the stern of the fixture.

' Big. 8 is a perspective showing the principie oi operation of the shade holding ring.

Fig, 9 is a plan section. on the line 99, Fig. 7.

Fig. 10 is a perspective of the ring employed for fastening the porcelain block to the outlet box.

Similar numerals refer to similar parts throughout the several. views.

In the form selected to illustrate the invention, the block 1, which forms the principal element of the structure, is of porcelain or other insulating material. It is chainbered at the bottom to receive and circumferentially inclose a metallic shell 2, which is threaded to take the base 3 of the lamp 4:, which is of standard pattern. The electric connections of said shell are best shown in Fig. 5 where it will be seen that the shell is connected to one of the supply conductors 5 by means of a screw 6 screwing into a strap 7 electrically connected to binding post 8. The head of this binding post comes at the bottom of the block and the supply conduc tor is led down to it through the vertical aperture 9, as best shown in Fig. 2. The other supply conductor is led in a similar Way down through the aperture 10 in the block to construction lies in the fact that the final connections of the installation may be made at the bottom of the block after said block has been fastened in final position.

The reflector holder of my device consists of a ring 18 having inwardly projecting lugs 19 which receive screws 20 by which the holder is fastened to the block IL The inner ends of the screws or studs 20 enter nuts 2i held in chambers 22 formed in the block, as best shown in Figs. 2 and 7. It willbe noted that by this construction, the reflector holder and the block become a unitary structure held together independently of the condition of the rest of the device.

The reflector holder is of special construction, having two lugs 24 extending radially inward and adapted to engage the flange 25 of the reflector 26. By preference, these lugs are arranged about 120 apart, and 0pposite to them is a single set screw 27. This construction greatly simplifies the act of attaching or detaching the reflector, for all that is necessary in attaching it is to place the flange of the reflector upon the two lugs as suggested in Fig. 8, then swing the opposite edge of the flange up to the set screw and-then screw in said screw.- Similarly, by backing up the screw, the reflector'niay be removed. Not only is the manipulation simplified, but the certainty and security of action is increased because the lugs, being a permanent part of the reflector-"holder, are in no danger of becoming loosened or being improperly positioned, as set) screws are apt to be.

The block 1 and shade holder 18 and shell 2 will usually be assembled at the factory and hence constitute a unit ready for the reception of the lamp and the reflector and ready for attachment to the fixed electrical connections attached to thebuilding. This unitary structure of the block, shell and shade holder may be attached either to the hood-flange 30, shown in section in Figs. 1, 2 and 6, or to the outlet box 35, shown in Fig. 7. The hood-flange is so named on account of its shape, and screws onto the lower end of the stem 31 which leads the supply conductors .to the fixture.

Said flange is' tapped to take the upper threaded end of.

aceat ductors 5 are connected, as before, to the lower end of the binding posts 8 and 12. Nhen designed to be attached directly to the outlet box, the plate 36 will beperinanently attached to the? block 1 by means of the screws 52 and in such case the plate would become a part of the unitary struc ture. of which the other principal parts are the block, shell and the reflector holder.

It will be seen from the foregoing that the structure as a whole is greatly simplified over previous devicesi'or the same purpose, and is simpler not only in construction, but is also easier tense and to install.

' Having thus described. my invention,

what I claim new and desire to secure by Letters Patent, is

l. A lighting socket having a block oi insulating material, lamp-engaging terminals housed within said block, binding posts con.

nected to said terminals and having means at the bottom of the block forattachment to the supply conductors, said block being vertit-ally apertured to permit the supply conductors to pass down through the bloclrto the lower end of the binding posts, a plate fastened to the top of said block and pro jecting beyond the edge of the block, and means on the projecting portion of said plate for attaching the same to a supporting objec 2. A combined lighting socket and reflector holder consisting. of a bloclr of insulating material having terminals for the lamp housed therein, binding posts having heads at the bottom of the block, said block he vertically apertnred to permit the conductors to pass througl' lower end of the binding posts, a holding ring having independtat tening means for securing it to the bios; and means independent of the binding posts and indep i etorhclding ring to the block, for supid block. 1

I have hereunto sub ASH iNG- R.

i to the idcnt oi the means which 3

Images