US1945168A - Lighting fixture - Google Patents

Description

Jan. 30, 1934. H BER 1,945,168

LIGHTING FIXTURE Filed March 24. 1931 INVENTOR Patented Jan. 30, 1934 PATENT o lcE LIGHTING FIXTURE Hyman Tauber, Greensburg, Pa., assignor to Porcelier Manufacturing Company, Greensburg, Pa., a corporation of Pennsylvania Application March 24,

3 Claims.

This invention relates to the art of illumination, and more particularly to a lighting fixture, especially fixtures of the type made from frangible material such as porcelain or glass. The invention is particularly applicable to lighting fixtures of the side wall type.

Various lighting fixtures have been developed having a supporting member or base which carries a socket for an incandescent light and in which there is a shade in the form of a hood that projects over the top of the lamp and down over the front thereof, this shade having a portion at the rear thereof that is slidably received in a groove on the base or supporting member, the shade being easily removable by merely lifting it vertically with respect to the base or supporting member.

The present invention provides a structure wherein the nut which serves to retain part of the metal socket in place within the support or base also provides a means for holding the shade on the bracket.

The invention may be readily understood by reference to the accompanying drawing in which Figure 1 is a front elevation of a lighting fixture embodying my invention;

Figure 2 is a vertical section in the plane of line IIII of Figure 1;

Figure 3 is a plan view of the base showing the shade removed therefrom and also showing the base without the nut which holds the shade in place at the front thereof;

Figure 4 is a detail View showing the inner face of the porcelain base for the lamp socket and switch;

Figure 5 is a rear elevation of the shade detached from the fixture; and

Figure 6 is a top plan view of the fixture with the shade removed therefrom.

In the drawing, 2 designates a base member preferably formed of porcelain and having a hollow interior. The base member may be adapted to rest against a side wall, where the invention is embodied in a side wall lighting bracket, but

obviously the base may form part of some supporting structure other than a wall bracket. Projecting outwardly from the front of the base is a raised portion 3 which has a rounded top edge e and straight sides 5, which however, may have 'a slight taper downwardly and outwardly. Formed in this raised portion 3 is a hole 6. The base 2 with the elevated portion 3 is formed integrally, preferably from porcelain, and has any desired contour and ornamentation thereon.

' Within the hollow base member is a lamp socket 1931. Serial No. 524,796

and switch of the pull chain type, this switch and socket being of standard construction and being more or less conventionally shown in the drawing.

The switch mechanism which is conventionally shown is designated '7 and the socket into which the lamp bulb screws is designated 8. This unit is mounted in a porcelain cup 9. The metal socket portion 8 of the unit passes through the hole 6 in the base member and projects beyond the face of the raised portion 3.

According to the conventional practice of forming these sockets from sheet metal, there is. a thread on the exterior of the portion 8 as well as on the interior. Screwed onto the projecting portion of the socket 8 is a ring 10, preferably formed of porcelain or other insulating material. When the ring 10 is screwed up tight, the socket and switch unit is rigidly clamped in place in the base, the inner face of the cup 9 and the washer ,10 clamping that portion of the base around the hole 6, this serving to hold the socket against relative movement in the base. In order to overcome any likelihood of the cup 9 turning, a small lug 12 is preferably cast on the inner face of the portion 3, and the cup 9 has a cut out portion or notch 13 into which this lug fits. The lug projecting into the notch forms an interlocking relation between the cup 9 and the base, which serves to hold the socket and switch against rotation in the base.

The clamping ring or washer 10 is of greater height and width than the raised portion 3 of the base so as to form a groove 14 between the inner face of the ring 10 and the main portion of the base 2, this groove extending across the cup and down the two sides of the raised portion 3. r

This groove provides a means for holding the shade 15 in place. The shade is of the usual hood type extending over the top and down in front of the clamp socket so that the lamp, the. contour of which is indicated by dotted lines, is housed under the shade. Formed on the rear wall 16 of this shade is a rearwardly projecting extension 17 having an inwardly turned flange 18 thereon. The contour of the edge of the flange 18 corresponds to the contour of the raised projection 13 on the base, both of them being non-circular. The flange 18 is received in the groove 14 and by means of this connection the shade is supported on the base and. retained in place thereon. At the same time it can be easily removed merely by lifting it vertically until the flange 18 is clear of the groove 14. HQ

The advantages of the invention arise from the use of the ring 10 to secure the switch and socket in place in the base and simultaneously provide in cooperation with the raised portion 3 on the base a shade holding groove, so that it is unnecessary to mold a groove on the base, as has heretofore been the practice in porcelain fixtures of this type. Since the nut 10 is of greater diameter than the raised portion 3 on the base, it can be easily grasped with the hand to tighten it up, and in assembling the fixture no special tools for turning this nut are re quired. The invention cheapens the cost of fixtures of this type very considerably and at the same time improves the appearance thereof.

While I have shown the invention as applied to a bracket of a particular design, and the spe cific design shown is the subject matter of a copending design application, the invention is not limited to the particular design and construotion shown, but may be otherwise embodied Within the contemplation of my invention and under the scope of the following claims.

I claim:

1. A lighting fixture comprising a non-metallic base member having a non-circular raised portion on the front face thereof, a lamp socket unit within the base having an interiorly and exteriorly threaded socket portion which pro- J'ects through an opening in the raised portion of the base member, a washer screwed on to the outer end of said socket portion, and a hood-like shade having a back portion, the back portion having a rearwardly extending projection, said projection having a downwardly opening slot therein, the marginal portions of the extension around the :slot providing flanges, the rearwardly extending projection on the shade extending over the washer, the flanges around the slot being received in the space between the Washer and the base member, the slot in the rearwardly extending projection of the shade accommodating the raised portion of the base, the raised portion of the base and the slot in the shade cooperating to hold the shade against rotation about the axis of the socket, the shade being removable from the base by movement thereof vertically with respect to the base.

2. A lighting fixture comprising a base member having a raised portion on the front face thereof, a lamp socket unit within the base having a socket portion that extends through the raised portion of the base and which is exteriorly and interiorly threaded, a washer screwed on to the outer end of said socket portion, the raised portion of the base having a substantially inverted U contour, and a hood-like shade having an inverted -U-shaped slot in the rear wall thereof, the shade being set to straddle the raised portion of the base, the marginal portions of the shade around the slot providing flanges which engage in back of the washer for holding the shade in place.

3. A lighting fixture comprising a base member having a raised portion on the front face thereof, a lamp socketunit within the base having a socket portion that extends through the raised portion of the base and which is exteriorly and interiorly threaded, a washer screwed on to the outer end of said socket portion, the raised portion of the base having a substantial- 1y inverted U contour, and a hood-like shade having an inverted U-shaped slot in the rear Wall thereof, the shade being set to straddle the raised portion of the base, the marginal portions of the shade around the slot providing flanges which engage in back of the washer for holding the shade in place, the rear wall of the hood-like shade having a rearwardly extending projection in which the said slot is formed.

I-IYMAN TAUBER.

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