US1646442A - Lamp - Google Patents

Description

1927' o. BRIZENDINE LAMP Filed May 14, 1925 2 Sheets-Sheet} 1927' o. BRIZENDINE LAMP Filed May 14, 1925 2 Sheets-Sheet Passed a. 25,1921.

OLIIE IBBIZENDDTE, GE AMIGA,

Application filed May M, 1925. Serial Ho. $9,230.

This invention aims to provide an electric bulb adapted to be used on the head lamp of an automobile, and so constructed that, at the will of an operator, the rays of light proceeding from the lamp may be deflected laterally, thereby preventing a glare from being cast into the eyes of approaching pedestrians and into the eyes of the drivers of approaching vehicles.

It is within the province of the disclosure to improve generally and to :1 nce the '1 l utility of devices of that sort to which the invention appertains.

With the above and other objects in view which will appear as the description proreeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, may be made within the scope of what is claimed without departing from the spirit of the inven tion In the accompanying drawings Figure 1 shows in side elevation, a lamp constructed in accordance with the invention; Figure 2 is a section on the line 22 of Figure 1; Figure 3 is a section on the line 3-3 ofFigure 2; Figure t is a perspective View of the deflector; Figure 5 is a cross section on the line 55 of Figure 3. Figure 6 is a diagram showin the operation of the device when mountc on an automobile; Figure 7 is a fragmental front elevation, diatic in nature and showing the lamp housings of an automobile equipped with the device forming the subject matter of this application.

The numeral 1 marks a bulb. The bulb has an inwardly projecting stem 2. The bulb is carried by a base 3. The base 3 may comprise a sleeve 4. Wax or the like, indicated at 5, is located in the sleeve 4, and, engaging the butt of the bulb 1, holds the bulb assembled with the base 3.

The numeral 6 indicates a spoon-shaped deflector. The deflector 6 has a lateral concavi 7 Any suitable means may be provide for mounting the deflector in place.

If desired, the deflector 6 has a collar 8 secured about the stem 2. The deflector 6 and its collar 8 preferably are made of conducting material. The deflector 6 is prolonged in a direction substantially parallel to the am's of the base 3. In Figure 2, the line 33 indicates the axis of the base.

The numeral 9 marks a rear filament. The rear filament 9 extends into the lateral concavity 7 or" the deflector 6 and is connected electrically at its inner end to the deflector. The outer end of the rear filament 9 is connected to a conductor 10. The conductor 10 extends backwardly through the stem 2 and through the material 5 in the base and ends in a terminal 11 on the extremity of thevbase.

A front filament 12 is located ahead of the rear filament 9 in substantial alinement therewith in a direction parallel to the axis of the base 3. At one end, the front filament 12 is connected by a conductor 14 with the deflector 6. The opposite end of the filament 12 is connected to a conductor 15. The conductor 15 is not in electrical contact with the deflector 6. The conduct-or 15 extends backwardly through the stem 2 and through the part 5 of the base, and ends in a terminal 16 on the extremity of the base. A conductor 17 is joined at one end to the collar 8 of the deflector 6. The conductor 17 extends inwardly, rearwardly and outwardly, through the stem 2 and the material 5 of the base. The outer end of the conductor 17 is joined electrically at 18 to the sleeve 4. At its forward end, the deflector 6 extends betwwn the filaments 9 and 12, as shown in Figure 2.

The numeral 19 marks lamp housings on the front of an automobile 20. When the front filament 12 is lighted, the rays of light will be projected forwardly in the usual manner. en the front filament 12 not lighted, and when the rear filament 9 is lighted, the rays of light will he cut ed in a straight line parallel to the line of advance of the vehicle, as shown at 21, and will be deflected laterally as shown at 22, one half of the front of the lamp housings 19 remaining substantially dark, as shown at 23. From the foregoing it will be obvious that the lamps on the vehicle 20 will not cast a glare into the eyes of those ahead of the vehicle, provided that the rear filament 9 alone is lighted.

Both filaments 9 and 12 are grounded through the deflector 6, the filament l2 having its ownlead l5, and the filament 9 having its own lead 10. Through the instrumentality of the simplest sort of a switch Ill) mechanism (not shown) the elements 9 and 12, obviously, may be lighted one at a time. Having thus described the invention, what is claimed is: 1. In an electric lamp, a bulb, a single spoon-shaped deflector having a lateral concavity, the deflector being located in the bulb and being prolonged in a direction substantially parallel to the axis of the bulb, a filament in the concavit of the deflector and connected at one en to the deflector, a filament located ahead of the deflector and connected at one end to the deflector, the last-specified filament being exposed throughout its entire extent, electrical connections joined to the other ends of the filaments, fandan electrical connection joined to the 2o "in the bulb and having a lateral concavity, an electrical connection extended from the i V "deflector.

In an electric lamp, a base, a bulb mounted on the base a conducting deflector extended throu h the base and terminated at a point ahea of the deflector, a filament disposed in front of the deflector, andcexposed throughout its entire extent, the said filament being located at an angle to the axis of the base, the filament, bein connected to the forward end of the ion ead and to the forward end of the con uctor, and a filament connected to the forward end of the short lead and connected to the deflector within the concavity of the deflector.

In testimony that I claim the foregoing as my own, I have hereto aflixed my slgnature.

OLIE BRIZENDINE'.

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