US1861360A

US1861360A - Lamp

Info

Publication number: US1861360A
Application number: US468902A
Authority: US
Inventors: Rebl Carl
Original assignee: Individual
Current assignee: Individual
Priority date: 1930-07-18
Filing date: 1930-07-18
Publication date: 1932-05-31
Anticipated expiration: 1949-05-31

Description

C. REBL -May 31,1932.

LAMP

Filed July 18, 1930 INVENTOR CarLRe'bL ATTORN EYS Patented May 31, 1932 PATENT OFFICE V ()"ARL REBL, OF BROOKLYN, YORK LAM]? Application filed July 18, 1930. Serial No. 468,902.

The invention relates, to lamps and has for an object to provide a lamp having a bulb for direct lighting and another bulb which serves to light a support for the first mentioned bulb.

The invention has for another object to provide means for connecting the bulbs in series.

Still another object of the invention is to provide one or more bulbs disposed in a translucent support, each bulb having a filament connecting opposite terminals of a bulb for lighting a translucent support by the said bulbs, the filaments and a conductor in the translucent support forming parts of a circuit which serves to light a bulb carried by the translucent support.

Additional objects of the invention will appear in the following specification in which the preferred form of the invention is described.

In the drawings similar reference characters refer to similar parts in all the views, of which Figure 1 is a perspective view illustrating the invention, and

Figure 2 is an enlarged sectional elevation of the construction illustrated in Figure 1, but with the base removed.

By referring to the drawings it will be seen that the base 5 has a socket 6 for receiving the outer conducting threaded terminal 7 which extends from the lower end of the hollow or cylindrical translucent member 8. This outer threaded member 7 supports a central conducting member 9 which is insulated from the outer conducting threaded member 7 by means of insulation 10. EX- tending from the outer conducting threaded member 7 there is a conductor 11 which is disposed in the cylindrical translucent member 8 and which extends to an inner conducting threaded member 12 at the upper end of the cylindrical translucent member 8.

Disposed in the cylindrical translucent member 8 there are one or more bulbs 13, each of these bulbs 13 having afilament 14 extending from opposite ends and leading to contact members 15 so that when the bulbs 13 are disposed end to end, as illustrated in contact member 15 at the bottom of the lower bulb engages a contact member 16 commun cating with the conducting member 9. A coil spring 17 is preferably disposed at the bottom of the cylindrical translucent member 8 for supporting the bottom bulb 13, it being possible, however, to push downwardly the bulbs 13 against the resiliency of the spring 17 so that the contact member 15 at the bottom of thelowermost bulb 13 will engage the contact member 16.

The contact member 15 at the top of the upper bulb 13 will normally engage with a contact 18 which is disposed centrally at the bottomof the bulb 19 and which is insulated from its outer threaded conducting portion 20 which contacts with the inner conducting ghread 12 on the cylindrical translucent mem- As will be readily understood, when the outer conducting member 7 is screwed in the socket 6 in the base 5, and this socket 6has an outer and a'central conductor which may engage with the outer conducting portion 7 and the conducting-member 9, a complete circuit will be made through the filaments 14 in the bulbs 13, through the filament in the bulb 19, thence through the outer threaded conducting portion 20 to the inner conducting threaded member 12, the conductor 11 to the outer conducting threaded member 7. This will light one or more of the bulbs13 as well as the bulb 19, but inasmuch as the cylindrical member 8 is translucent and serves as a support for the bulb 19, the direct lighting will be furnished by the bulb 19, but the bulbs 18 will merely serve to light the cylindrical translucent member 8 giving a glow to the support for the bulb 19.

While I have shown the device in Figure 1 with a base member suitable for a table lamp, it will be understood that the device shown in Figure 2 'may be inserted in any standard electrical socket and used as desired in floor lamps, side lights, ceiling lights,

and all other forms of fixtures which may be disposed horizontally or vertically.

lVhat is claimed is:

1. In a lamp, a hollow translucent member having two contact members spaced apart at one end, and a conductor connecting one of the Contact members with the translucent members other end, a bulb in the translucent member, the bulb having a filament connecting its opposite ends, means connecting the filament with the other contact member, a second bulb having a filament extending beyond the second mentioned end of the translucent member, and means connecting thefilament in the second mentioned bulb with the conductor and with the filament in the first mentioned bulb.

2. In a lamp, a hollow translucent'member having at one end an outer conducting thread and another conductor, and at its other end an inner conducting thread, a conductor connecting the two conducting threads, a bulb with a conductor connecting opposite'ends disposed in the translucent member with its conductor engaging the conductor at the first mentioned end of the translucent member, and a bulb having a conducting thread engaging the conducting thread at the second mentioned end of the translucent member, the second mentioned bulb having a contact point engaging the conductor on the first mentioned bul 7 the tube and carried thereby, the additional bulb electrically engaging with a contact point on one of the first mentioned bulbs, and a conductor within the tube connected with the said additionalbulb and extending to the other end of the tube.

CARL REBL.

3. In a lamp, a hollow translucent'member bulb extending beyond one end of the translucent member and having. electrical engagement with one of the conducting ends, a bulb disposed in thetranslucent member with a filament connecting opposite ends, one of the ends of the filament being connected electrically with the first mentioned bulb, and means at the other end of the translucent member for holding the second mentioned bulb in position.

'4. In alamp, a hollow translucent member having at one end an outer conducting thread and another conductor and at its other end an inner conducting thread, a conductor connecting the two conducting threads, a bulb having a conducting thread engaging the conducting thread at the second mentioned end of the translucent member, the bulb havin g another conductor, and a plurality of additional bulbs disposed end to end in the translucent member and each having opposite contact points and a filament connecting the contact points respectively, certain of the contact points engaging each other and the other contact points engaging the conductor on the first mentioned bulb and the conductor at the first mentioned end of the translucent member.

5. In a lamp, a hollow translucent member having a lamp bulb-receiving cavity between