US1453860A - Attachment device for electric fixtures - Google Patents

Description

May 1, 1923'.

J. E. WATSON 1922 2 Sheets-Sheet `l Filed May 26 May l, 1923.

J. E. WATSON ATTACHMENT DEVICE FOR ELECTRIC FIXTURES Fiied May 2e, 1922 27@ Z8? .fz ze a u .52 J2 JZ 2 sheets-sheet 2 tsaar `JOHN 'EDWARD' Wlrrsoiv, or rIIILAJDELPHIA,- PENNSYLVANIA. y

ATTACHMENT DEVICE Eon ELECTRIC FIXTURES. y 'v Application led'lvl'ay 26, 1922. Serial No. 563,895. 'l

To: all whom it may concern Be it known that 1,: JOHN EDWARD filar- SON,- afcitizen of the United States-residing in Philadelphia, Pennsylvania, have k1n- 5 lvented Y certain new and useful Improvements in Attachment Devices for Electric Fixtures, oik which the following 1s a specification. c *Y Various forms .of electric connecting dello v'vices yhave beenfmade prior to my'present y invention for the vpurpose of enabln'igther attachment of 'electrically -operativeaappara- Atus to receive electric: current from electric lighting fixtures withoutv interfering with the use of i the fixtures for lighting purposes ,or without d'es'troyingthe ornamental char- ^acterof the fixture. Certain ot these yprior art devices include 'socket portions. which are secured, as by solderfto the main shells ornamental parts for closing the entrance .to the sockets when the .latter are not-.desired for use forfattachmentpurposes. 'I'Others of sa.icl1pi'ior art devicesfhave ornamental vparts which hang or depend `entirely outside of the main body of thenixture, saidornamental parts including :the attachment sockets. y

One object of my kpresent invention kisto provide an improvedattachment device, for

theabove mentioned purpose, which can bemade to readily fit within the main body portion of an electrlcxture and which can vbe quickly and firmly secured in place; the

that parts thereof ywill hold or bind the sections of the fixture body ltogether and will also support the "socket vproper independently of the electric-conduit Wires so that no weight or strain will be imposed on said Wires during` 1 ment purposes.

Another object isV to make the parts of my invention 'of Vaaneat and durable con-l struction land so that ?it canbe quickly and easily installed in a properfmanner by a workman .Without requiringgreat skill.

' IlIn the vacconip'ian'yingdrawings'illustrati iin@ myfpresent invention, h y

Y ifgure :l is'anfelevatlonal view partly in central verticalisectionV showing `my invention :embdiedin an'elee'tric tintura Figure` 2' is 'ran elevational view' showing A@features of lnyvfinventioman ornamental closure portion VAfor the'soclret andllower or body portions of fthe fixtures 4and have arrangement andY construction :being "suchA 'Gmb-1y located use ot the' device forVV attachand-dash lines.

end of the casing being illustrated Vin dot-l Figure 3 is va detail sectionallview' of the socket casingillustrated in vFigures land Figure l .is a section taken on the line 1. r-4 of Figure-1. y .y y Figure 5 1s an elevational View oi a `modl- -ied form of socket 'casing which'l may employ. y

Figure 6 is a top plan view of the casing"- shown in Figure 5 and Y y v i Figure 7 is a sectional viewoi-asocket casing, of the same general .type as vshown in Figures 1,2 and 3, illustrating additional holes or apertures for a purpose hereinafter; Y' described. e y u In Figures l to l inclusive ot "the draw? ingsl0 represents a mainbody of an electric fixture, such as the metallierbody of a hanging electric ylight fixture; being made hollow in the form of a shell and including a'lower section l1 anda top section l2. The llowersection l11 isopen bottom and isprovidedwitha surroundin skirt flange 16 which telescopically lits within the conlines :ofthe top edge portion 13 and 'abuts the `ledge 'll'v asv clearly shown in Figurel. l The bottom I17 of the-lower '.'body'section li is provided with a yhole 18 whiohis prei:-

directly under'a'liole 19 in the extreme top 20 of the kbody section ll2.

fr suspensionrloop 2l hasa base 22 providing a'holeQZ-f The hole 23 has an' enlarged internally screw threadedV `portion 24 into f which is screwed-the `upper end portionot 'an externally screw threaded tube 25. Thel tube 25 extends throughth'ehole I19 into the space within thebody -10fandat'jitslowerl end is screwed i'ntofthe'upperv end ota turnbuckle or hicke'y'26, l A i a ,portion' 27 which may. berpmadep-ginf the form ot fa casing tot meta-l l"as fillustrated `:and whichhas a part 2S' ofgreater diameter Y @10,0 My improved VVattachmentc' device includes 18 into the space within the body l0. The iiange 28 serves to limit the upward movement of the casing by abutting the outer surface .of the bottom 17 of the body i0.

An electric connecting' structure or inner socket 29 is located within the contines of the socket casing 27 and, in the form of the structure illustrated, includes a metallic screw threaded portion 30. A shell 3l of insulating material is interposed between the casing 27 and the screw threaded portion 30 of the socket 29. The lower end of the shell 3l preferably depends belov.T the lower ends of the portion 29 and casing 27 and the .upper end of the insulating shell 8l preferably abuts ashoulder such as the shoulder 32 of the body portion 38 of the connecting structure 29. The shell 3l can be forced into place and be held by friction so as not to fall, or if desired this shell can be otherwise suitably secured to either the casing or structure 29.

The top of the connecting structure 29 includes a clamp 34 and portions 35 which are held by the clamp to the outer threads of the lower end of a nipple 86 at a position within the casing 27. The nipple 36 extends upwardly through a hole 37 in the top of the casing. Lock nuts 38 and 39 on the nipple 36 are located adjacent opposite surfaces of the top of the casing 27 and secure the nipple to the casing 27. rIhe upper end of the nipple is screwed into the lower end of the hickey 26.

It will be noted that by providing a structure as described and illustrated, the casing 27 serves to support the lower section ll of the fixture body l0, and since the casing is connected to the base of the loop 2l through the medium of the nipple 36, hickey 26 and tube 25, the sections of the body will be held and clamped together.

The main electric conduit wire 4() leads into the fixture through the hole 23, tube 25 and hickey 26, and branch electric conduit wires 4l and 42 are connected to the main conduit 40 and lead through the hickey 26 and nipple 36 into the casing 27 where they are electrically connected to the Structure 29 and respectively electrify the portion 3() and a. contact member 43, said portion 30 and member 48 being electrically insulated from each other.

which screws intothe portion 30. A screw 4T leads through the plug 46and through a cap 48 into a tapped opening in a knob 49. The plug, c'p, and knob are keyed or otherwise sec-ure together against relative rotation. The cap 48 preferably has a recess 50 into which the lower ends of the :casing 2 7 and shell 31 extend, said recess being surrounded by a flange 5l which ab'uts the lower surface of the iixture body l() when the plug is screwed in so that all parts of the device can be concealed and the cap 48 and knob 49 of said closure simulates a porti-on of the body 10.

If it is desired to make an electric connection for any electrical apparatus, such for example as for an electric vacuum cleaner, percolator, fan, toaster or the like, the closure canbe removed by removing 'the plug 46, and then the connecting plug on the conduit or extension wire of the apparatus can be inserted in the socket so that said latter plug makes electric contact wit-h the portion 3() and contact 43.

In Figures 5 and 6, I have illustrated at 27 a casing or portion which can be made of stamped, cut or pressed metal 0r other suitable material which can be used in lieu of the casing 27 above described. Owing to the open or cage-like character of the p0rtion 2,7Ct the wires 4l and 42 for the socket need not enter through the nipple but can lead to the inner socket through the spaces between the parts 52. The parts 52 have flanges 28'EL for abutment with the bottom of the fixture body in the same manner as the flange 28 of the casing 27.

In Figure 7 is illustrated a form of casing 27b substantially similar to the casing 27 with the exception that it is provided with apertures 53 through which the socket-connecting wires can pass if it is not desired to pass them through the nipple.

It will be understood' that if the nipple is not used for a passage for the socketconnecting wires, said nipple if desired can be made solid instead of tubular. Furthermore while I have described the inner socket portion connected to the nipple by the clamp 34 it will be understood that any other suitable connecting means may be employed and the inner socket can be of any of the usual or well known forms of construction.

Having thus described my invention, what I claim as new and desire to secure by Let ters Patent is 1. In combination with an electric fixture of the 'character 'described having a fixture body including two sections, with electric lamp-supporting means, of a connecting device for binding said sections together, one of said sections having a hole therein, said device having a casing extending through said hole and a part on the casing for binding abutment with said latter section, said llll device including a portion connected to the other section, said device having auxiliary electric attachment means connected thereto and located within lthe confines of said casing'.

2. In combination with an electric fixture of the character described having electric lamp-supportin`g means and a fixture body including two shell sections each provided with a hole, of an electrical connecting device for binding said sections together independently of a ceiling or wall, said device having a casing extending through one of the holes with a partfor abutment with the section including said latter hole, said device including a portion in connection with said casing and extending through the hole in the other section with apart abutting said latter section, said device having auxiliary. electric attachment means connected thereto within the confines of said' casing.

3. In combination with an electric fixture of the character described having electric lamp-supporting means and a fixture body including two shell sections each provided with a hole, of an electrical connecting device for binding said sections together, said device having a casing extending through one of the holes with a part for abutment with the section including said latter hole,

said device including a portion in connection with said casing and extending through the other of said holes, a. part of said portion being screw threaded and abutting the other of said sections whereby the sections are held together by said device, said device having auxiliary electric attachment means connected thereto within thel contines of said casing.

4. In an electric fixture of the character described having lelectric lampsupporting means, a hollow xture body made in shell sections, said sections having holes therein; means for suspending said body whereby the body can be hung in a position remote from a' ceiling or wall; an auxiliary electric attachment socket having a casing extending into the body through one of said holes with a part for abutting the body outside the contines of saidv latter hole; and connecting means having a part extending lthrough the other of said holes and con'- nected to said casing, said connecting means having a portion abutting the outer surface of the section which includes said latterk hole, whereby the shell sections are held*` tovgether by said latter portion, said casing, and the connecting means independently ot said suspension means.

having electric lamp-supporting means and a fixture body including two sections, of' an electrical connecting device for binding said sections, one of said ksections having a hole therein, said device having a portion extending through said hole and a part for binding abutment with said latter section,

said device including a portion .connected to the other section, said device having aux,- iliary electric attachment means connected thereto within the contines Vof said fixture body and accessible through said hole; and

a readily detachable closure `for normally concealing said auxiliary electric attachin the said sections with parts for binding Y abutment with the sections at positions adf jacent the holes, said device including aux iliaryl electric attachment means accessiblel through one 'of said holes and a closure device for covering the. auxiliary attachment means and serving when in said cov*A eringposition to simulate a portionnof the fixture body, said closure device being 4readily movableto allow access to said auxiliary attachment means.

In testimony whereof, I have signed my nameto this specification, in the presence of two subscribing witnesses.

J. EDWARD IVATSON.

G0 5. In combinationwith an electric fixture y'

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