US1902596A - Combined plug receptacle and warning light fixture - Google Patents

Description

March 21, 1933.

W. C. TREGONING COMBINEDPLUG RECEPTACLE AND WARNING LIGHT FIXTURE Filed Nov. 6, 1929 J zlal x Pass d Mu.

' umrao sm'ras; PATENT OFFICE WILLIAI O. TBEGONING, OI WAUWATOBA, sm, LBSIGHOB TO curtain-mum INC, 0] MILWAUKEE WISIDNSIN', A CORPORATION OI DELAWARE 0O PLUG AND WABI N'ING LIGHT FIXTURE Application ma November a, 1920. Serial m. 405,134.

This invention relates to improvements in combined plug receptacle and warning light fixtures.

An object of the invention is to simphf the construction and facilitateassembly 0 the parts of devices of the aforementioned character.

Another object is rovide a combined device of the aforementioned character the parts of which are so compactly arranged that the device as a whole may be mounted 1n an outlet box of the size ordinarily intended for reception of a single plug receptacle, thus effecting an economy in the. amount of material required and rendering the device very neat and attractive in appearance.

Another object is to providenovel means for supporting the jewel or bulls-eye with respect to the ace plate of the device.

Another object is to provide a novel form and arrangement of the lamp and plug receiving contacts of the device.

Other objects and advantages of the invention will hereinafter appear.

The accompanying drawing illustrates an embodiment of the invention which will now be described, it being understood thatthe device illustrated is susceptible of modification in certain details thereof without departing from the scope of the appended claims.

In the drawing, Figure 1 is a top plan view of a combined plug.receptacle and warning light fixture constructed in accordance with my invention.

Fig. 2 is a vertical sectional view on the line 2-2 of Fig. 1, the lamp bulb and the face plate and jewel being shown in position.

Fig. 3 is a perspective view, in separated relation, of the several parts of the device illustrated in Fig. 2.

Fi 4 is a top plan view of one of the punc ed metal parts of the device, and

Fig. 5 is a bottom plan view of the onepiece molded insulating base.

Referring to the drawing,'the numeral 10 designates 1n general the molded insulating base of the device. Said base is preferably of substantiall rectangular contour, and as best shown in ig. 5 the lower surface thereof is recessed to a predetermined depth and Extending radially in conformity with the vertical sides of the base, as indicated at 11, thus leaving a relatively thin wall 12 around said recess. The

four corners of the base are .in the form of vertical substantially cylindrical enlargebeing provided with a through passage or perforation to accommodate a suitable securmgjelement, as hereinafter described. xtending u wardly from the recess 11 a one end thereo is a substantially cylindrical recess 17 which terminates in a shoulder 18 which isperforated as indicated at 19 in register with the downwardly tapered recess or passage 20 in the u per-face 21 of the base. cm the recess 17 in a plane intermediate the depth of the latter is a' substantially rectangular recess 22, said recess 22 and its branch 23 being located in a common plane. I

Adapted to seat within recess 22 is a punched sheet metal member 24,- said member having an integral arm 25 which is likewise adapted to seat within the branch 23 ments 13,14, 15 and 16 each enlargementof said recess. The integral ring-shaped end 26 of member 24 is offset upwardly therefrom, as indicated at 27. The inner ed e of said ring is provided with a substantia yrectangular notch 28, and the area 29 radial to said notch is bent as shown to ofiset the adjacent ends of the inner edge 30 of said ring.

As best shown in Fig. 2 the ring 26 is positioned within recess 17 at a. point adacent to the shoulder 18 of the latter, and the same is adapted to receive and retain the threaded shell contact 31 of a lamp bulb 32. Integralwith and preferably extruded upwardly from the member 24 at the point illustrated is a stud or projection 33, said stud being adapted to penetrate a rforation in the horizontal foot portion 0 an upwardly extending reflexed resilient contact 34, .said stud being riveted over said foot portion (as shownin Fig. 2-) ,to rigidly secure said contact to member 24.

Extending upwardly from recess 22 is arecess 35 of substantially rectangular form T blade contacts of a plug cap cated within a su shoulder 36 adapted, to overlie the reflexed portion 37 of said contact, and one wall 38 of said recess being preferably inclined to facilitate insertion of said contact. As shown the upper pprtion of recess is 10- stantially elli tical portion 39 of insulating material w ich is integral withand extends a substantial distance above the upper surface 21 of the base, said portion 39 having an opening 40 to provide access to the contact 34 of one of the not shown). Also extending upwardly om recess 22 and projecting laterally therebe end is a recess 41 which is likewise of substantially rectangular form in cross section, and said recess is provided with a shoulder 42 adapted to overlie the reflexed end .43 of a resilient contact member 44 the horizontal foot portion of which is rigidly secured to the upwardly ofi'set end portion 45 of a punched sheet metal member 46 as by means of the spectivel ed to yie upset integral projection 47 on the latter.

Integral with and extending laterally at a right angle from member 46 is an arm or branch 48 which is adapted to seat within a correspondingly shaped branch 49 of recess 22, the horizontal wall of branch recess 49 being ofiset downwardly with respect to the horizontal wall of recess 22. interposed between the metal members 24 and 46 and insulated'therefrom. as by means of a pair of relatively thin substantially rectangular insulating plates 50 and 51 is the horizontal portion 52 of a resilient metal strip, said plates being slightly shorter than the recess 22 in base 10 whereby the same may be ofiset endwise with respect to each other u on as sembly of the parts. One end of said strip is bent upwar ly and then reflexed downwardly to provide a relatively short auxiliary contact 53 which is adapted to underlie the shoulder 54 formed in recess 41 and to also underlie the aforementioned reflexed contact 43.

The other end of said interposed metal strip is inclined downwardly and then up wardly, as best illustrated at 55 and 56, re.-

in Fig. 3, the end 56 bein adaptd upon engagement thereo" by the center contact 57 of a lamp (Fig. 2). The

- extension 39 of the base is provided with a slot or passage 58in register with the recess 41 to rovide for access to the contacts 43 and 53' y the other blade of a plug cap.

One wall 59 of recess 41 is inclined outwardly as shown to facilitate, insertion of said contact 43. v

Located in correspondingly sha ed shal low recesses at opposite sides of t e upper face 21 of the base area pair of terminal plates 60 and 61, said plates being tapped to accommodate the usual binding screws 60 and 61" and having the usual wire-retaining lugs 60 and 61", the f ee 21 of said base bein recessed toprovide clearance for the sages in the base 10 to provide for clamping said members to the base and to provide the proper electrical relation therebetween.

Underlying the base 10 and substantially conforming to the shape thereof is a relatively thin plate 64 of fiber or other suitable tough or slightly flexible insulating material, said plate having perforations ada ted to register with the passages in the a orementioned corners 13, 14, 15 and 16of base 10. Screws 65, 66, 67 and 68 are respectively adapted to penetrate said perforations and passages and to take into pairs of tapped openings in the supporting ln s 69 and 70, which may be of any desire shape, said lugs as shown of plaster or wallengaging portions 69 and 7 0. The base 10, bottom plate 64 and lugs 69 and 70 are thus Erigidly secured to each other, and the device may therefore be attached in the usual manner to an outlet box or similar support.

The extension 39 of the base is provided with relatively small ledges 71 and 72 at opposite sides thereof, the ledge 71 being best illustrated in Fig. 3, said ledges being adapted for engagement bykthe lower surface ofthe metal flush or wall p ate 73, which is perforated as shown at 74 in Fig. 3 to accommodate being provided with one form.

wardly at right angles to the plate to permit 4 free upward insertion 'of the substantiall dome-shaped transparent jewel 78 throng the perforation 7 5.

Jewel 78 preferably consists of molded glass of the desired color and formed integrally with the lower edge thereof are pairs of spaced substantially radial projections or feet 79 and 80 the upper surfaces of which engage the lower surface of plate73 and between each pair of which the lugs 77 and 76 are respectively bent into engagement with the lower edge of thejewel to permanently secure the latter-to said plate.

Projecting above the surface 21 of the base are a pair of ledges 81 and 82 upon which the projections or feet 79 and 80 of the jewel are adapted to rest,

ment of base 10 with respect to wall plate 73 whereby horizontal alineis insured upon securement of the latter to former.- 'The means for securing the wall plate 73 to the base preferably comprises a pair of screws 83 and 84 which are adapted to penetrate diagonally located countersunk perforations in plate 7 3 and take into tapped openings in integral ofiset portions 85 and 86 of lugs 69 and 0, reipectively.

The upper surface 0 extension 39 may be paneled as shown or otherwise decorated to nnprove the appearance thereof, and also if desired the access openings 40 and 58 in said extension may be made of different dim'enlamp contacts located in one of said recesses,

attachment plug receptacle contacts in other of said recesses,'wiring terminal plates located in spaced relation to each other on the upper surface of said base, a pair of screws penetrating said base and havin mechanical and electrical connection with t e respective terminal plates and with certain of said contacts, said screws clamping all of said contacts in position within said base, and means comprising a plurality of plates for normally insulating certain of said contacts from other of the same and from one or both of said terminal plates.

2. In a combined plug receptacle and Warning light fixture, in combination, a one-piece molded insulating base of substantially rec tangular contour, said base having a substantially cylindrical recess adjacent to one end thereof and a pair of substantially parallel recesses adjacent to the other end thereof,

said recesses extending upwardly from the bottom surface of said base, constricted passages aifordmg access to each of said recesses from the upper surface of said base, attach-.

ment plug receiving contacts within the respective parallel recesses, center and screw shell lamp contacts in said cylindrical recess, means for permanently electrically connecting said screw shell contact and one of said plug receiving contacts, means comprising an tangular contour, said base having a substantially cylindrical recess adjacent to one end thereof and a pair of substantially parallel recesses adjacent to the other end thereof, H

said recesses extending upwardly from the bottom surface of said'base, constricted passages affording access to each of said recesses from the upper surface of said base, attachment plug receiving contacts within the respectiveparallel recesses, center and screw s ell lamp contacts in said cylindrical recess,

means for permanently electrically connecting said screw shell contact and one of said plug receiving contacts, means comprising an ailxlliary plug receiving contact integral with said center lamp contact, said auxiliary contact being located in inwardly spaced relation tothe other of said first mentioned plug receiving contacts, a pair of wiring terminal plates on the upper face of said plate, a pair of screws penetrating said base and engaging the respective terminal plates, said screws being arranged to clamp all of said contacts to said base, supporting lugs on the upper face of said base, a relatively thin insulating cover plate on the lower face of said base, and

"means comprising screws penetrating said cover-plate, base and lugs for clamping the same in assembled relation to each other.

4. In a combined plug receptacle and warning light, in combination, a one-piece molded insulating base having recesses and passages in the upper and lower faces thereof and adapted to be formed by a straight line molding operation, plug receiving contacts insertable from the lower face of said base and located in certain of said recesses, sheet metal members rigidly secured to the respective contacts, said sheet metal members having portions' seated within said base in spaced parallel planes, a screw shell lamp receiving contact integral with one of said sheet metal members and located within another of saidrecesses, a strip of metal having portions thereof ofiset to form a center lamp contact at one end and an auxiliary plug receiving contact at the other end, the intermediate portion of said strip being located between saidsheet metal members but insulated therefrom, wiring terminal plates located on opposite sides of the upper face of said base, and means for mechanically and electrically connecting said sheet metal members and the respective terminal. plates whereby all of said parts are rigidl secured to said insulating base.

5. 1 1 1 a device of the character described, the combination with a one-piece molded insulating base having a plurality of recesses in the lower face thereof, one of said recesses being substantially circular in cross section and another of said recesses being substantially rectangular in cross section, said base having passageways extending from the upper face thereof and communicating with the respective recesses, a punched sheet metal member havin a ring-shaped portion at one end thereof, said ring-shaped portion having a substantially rectangular notch in the inner edge thereof, the portions of said ring adjacent to said notch being offset for cooperatlon with the threaded contact of an electric lamp, a reflexed resilient contact and means integral with said punched metal member for I rigidly securing said contact thereto in spaced relation to said ring-shaped portion, a per-- forated arm integral with said metal member and extending outwardly at rlght angles to the main body thereof, a Wll'lIlg termlnal plate on the-upper face of said base, and

saidarn'i andsa'id basemeans penetratm g and engaging sai terminal plate to ragidly secure said punched metal member to said base.

the combination with a one-piece molded insulating base having a plurality" of recesses in the lower face thereof, a contact located in one of said recesses, said contact being formed to receive and support the threaded base of a lamp, reflexed resilient contacts located in other of said recesses, said reflexed contacts 7 being adapted for engagement by the blades of a plug cap, a resilient metallic strip formed at one end to provide an auxiliary refiexed contact, said auxiliary contact being located in one of said last mentioned recesses 1n inwardly spaced relation to another of saidreflexed contacts, the other end of said 6. In a device the character described,-

metallic strip being downwardly offset from the main-body thereof and adapted for cooperation with the center contact of a lamp, a pair of wiring terminal plates' located in recesses on the upper face of the base, and

means comprising a pair of screws penetrating said base and t e respective terminal plates and engaging certain of said contact elements to clamp all of the latter in assembled relation to said base. I

7. As an article of manufacture, a punched sheet metal member having a fiat body portion and a ring-shaped end inte al therewith but oifset upwardly there rom, said ring-shaped portion having asubstantiall rectangular notch inathe inner edge thereo the portions of said ring adjacent to said notch being offset relatively to each other, said member having a stud extendingfrom the body portion thereof, and a refiexed re-' silient contact having a perforated fdotpor- 131011130 cooperate with said stud and over which the latter is upset to secure said contact to said member, said body'portion being perforated at a point between said refiexed contact and said ring-shaped-end to provide for attachment of said member to a suitable support.

In witness whereof, I have hereunto subscribed my name.

WILLIAM c. .TREGONING.

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