US1245331A

US1245331A - Lamp with swinging reflector.

Info

Publication number: US1245331A
Application number: US16173817A
Authority: US
Inventors: Charles E Godley
Original assignee: Edmunds and Jones Corp
Current assignee: Edmunds and Jones Corp
Priority date: 1917-04-13
Filing date: 1917-04-13
Publication date: 1917-11-06
Anticipated expiration: 1934-11-06

Description

C. E. GOIJLEY. RAMP WITH SWINGING REFLECTOR).

APPLICATION FILED AER, 13(I9I7- Patented Nov. 6, 1917.

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1) STAT CHARLES E. GODLEY, OF DETROIT, MICHIGAN, ASSIGNOR T0 EDMUN'DS A JONES CORPORATION, OF DETROIT, MICHIGAN, A GQBPOBATION OFNEW Y0 K.

' AMP ITH Sur name REFLECTOR.

To all whom it may concern:

Be it known that I, CHARLES E. Goonlgy, a citizen of the United States, and residing at Detroit, in the county of lVayne and State of Michi an, have invented a new and 1m: proved amp with Swinging Reflector, ot which the following is a specification.

This invention relates to means for varying the direction and the intensity of beams of light projected by electric lamps of the headlight type and its object is to provide a lamp which will project an intense concentrated beam or diffused mild light as .desired, and which will have a minimum of movable parts.

This invention consists, in combination with a lamp body, of a reflector hinged at its outer edge in said body,alamp bulb support slidable in the rear end of the reflector and pivotally mounted at its outer end in the lamp body, and means to swing the reflector and the bulb support. 1t also consists in a supporting hinge connected to the reflector at the top of its rim sothat the bulb will move forward and upward relative to the reflector when the reflector is swung back, thereby causing the major portion of the light to be projected downward. It u,[ thcr consists in the details of construction illustrated in the accompanying drawing and particularly pointed out in the claims,

In'the drawing, Figure 1 is a vertical axial section of this improved lamp. Fig. 2 is a rear elevation of the hinge. Fig. 3 is a rear elevation of the arm to which the resilient connector is attached. Fig. 4 is an axial section of the hinge on a larger scale. Fig. 5 is a section on the line 5-5 of Fig. 1.

Similar reference characters refer to like parts throughout the several views.

It has been suggested that] reflectors be mounted on pivots which are in an ,aXial planeof the lamp body and that cams be provided to move the lamp bulb toward and from the focus of the reflectoras the reflector is swung on its pivots. In the present construction the reflector is pivotally mounted or hinged at or near its rim so that the reflector may be swung backward and forward.

vThe lamp body 1 may be of any desired construction but is preferably cup shaped, and its rim terminates in an inwardly extending/flange 2. A rim 3 provided with a flange 4; is securely mounted in the body in Specification of Letters Pater t.

Yatented Nov. 6, 1917.

Application filed. April 13, 1917. Serial No. 161,738.

any desired manner, and a door consisting of the lens 5 and ring 6 fits'over the open front end of the body. I

Carried by the body and preferably,

mounted on the. outside of the ring 3 are' two lugs 7 which support the pivot or hinge 8. The cup shaped reflector 9, which is preferably parabolic, has a back-turned cylindrical flange 10 of slightly smaller'external diameter'than the internal diameter of the ring 3 and secured to'the inside of this flange 10 is a plate 11 having a downturned part 12 that terminates in the sleeve 13 that receives the pin 8 and thus supports the reflector.

At'the bottom of the reflector and diametrically opposite the middle of the pin 8, a rearwardly extending arm His secured to the ring 3, while just within it a longer arm 15 is secured to the flange 10 and also extends rtkarwardly. A spring 16 connects the outer end of the arm 14 and the finger 17 on the arm 15 and tends to pull the lower part of the edge of the reflector forward until its axis coincides with that of the body. A flexible connector 18 in, the form of a cord or wire eggtends from the frce' end of the arm/13 ba'Zak through a hole 20 in the body 1 andby means of this connector the reflector may be swung back to the position indicated in dotted lines in Fig. 1.

'.lhe rear end of the reflector is formed' with an opening through which extends the connector 22 of well known construction. The metal of the reflector around this hole 'is bent back to constitute a flange 23 that secures a reinforcing ring 24 in position.

the connector 22 to prevent it from turning. A bulb 27 is mounted in the front end of the connector 22 and a plug 28 in the'rear'end.

A wire 29 extends from the coupling 30 mounted in the body 1. A bar 32 is secured to the connector 22 and its inturncd end 33 is threaded to receive the focusing screw 34 having a head 35 on the outside of the body 1. A spring 36 on this screw acts as'a brake and normally keeps the screw from turning. A pin 37 limits the movement of the part 33 on the screw. A spring 38 ex- 7 tends from the key 25 to the car 39 and serves to prevent the connector from rattling.

After the lamp has been mounted, for instance at the front end of the cord or wire 18 is released so that the spring 16 may swing the parts to the position shown in Fig. 1. The lamp bulb 27 is thenfocused by means of the screw 34; so that a concentrated beam of light will-be projected onto a spot in the roadway the des red distance ahead of the vehicle.

W hen the cord 18 is pulled back to swing the reflector to the position indicated in dotted lines in Fig. 1, the ring 24; is swung up and causes the lamp bulb to swing on the screw head 35. The relative'movement of the bulb is both forward and upward from the focal center of the reflector. This results in a very diflusd light being projected by the reflector and in most of this light being thrown downwardly onto the roadway'just in front of the vehicle. The

normal position of the reflecto r and lampbulb shown in solid lines in Fig. l is best adapted for. country driving while the dotted-line position is best adapted for city driving where concentrated beams are objectionable.

The ringf24 and the lip 23 are so formedthat the connector may swing within the smallest possible hole in the rear end of the reflector. The distance that the bulb moves away from the axis of the reflector will be increased as the distance between the rear ends of the reflector and lamp body is decreased. The proportion of light thrown down onto the roadway may be increased therefore by shortening thisdistanee between reflector and body. The lamp may be mounted with't'he plane of the path of the axis of the reflector at any desired angle to the horizontal, but in the claims this plane will'be considered as vertical.

I claim I 1. In a lamp, the combination of a. body and a reflector therein, a hinge connecting the rim of the reflector to the rim of the body, a, connector slidably mounted in an opening in the rear end of the reflector and pivotally mounted in the body of the lamp, a lamp bulb carried in the front end ofthe connector, and means to swing the reflector on its hinge and the connector on its pivot. 2. In a lamp, the combination of a body and a reflectortherein, means connecting their rims at one point, means to swing the reflector; backwardly and forwardly in said body, a lamp-bulb within the reflector, and means supported at one end by the lamp body and extending through an opening in thereflector to receive said bulb, said means an automobile,

4. In a lamp, the combinationof a bodyand a reflector therein, a flexible connection between the rims of the body and reflector, means to swin'g the reflector relative to the body, a lamp bulb and a support therefor pivotally mounted in said reflector and means connecting the support to the body of the lamp.-

' In a lamp. the combination of abody and a reflector therein, a flexible'connection between the rims-of the body and reflector,

means to swing the re ctor, relative to the body. a lamp bulb;and -a support therefor pivotally mounted in said reflector and an adjustable connection between said supportand the body of the lamp whereby the bulb may be focused.

6. In a lamp, the combination of a cupshaped body, end thereof, a door for closing said open end, a pin carried by said ring,,aparabolic reflector mounted on and below said pin, means for swinging the reflector on said pin back and forth in said body, 'a spring connccted to said ring and reflector for swinging the reflector forwardly in said body, a connector slidable in an opening in the rear end of the reflector; means to prevent the connector from turning in said opening, a spring to press the reflector against the wall of said opening, a bulb in the front end of the connector, and means to cause the bulb to move upwardly and forwardly relative to the reflector when the reflector isswung backwardly.

7. In a lamp, the combination of a body. a reflector therein, means to pivotally conncctsaid reflector at one sideof its focal axis to said body. means to swing the re ficc-tor in said body, a connector slidable in an opening in the rear end of the reflector, a bulb in the front end of said connector, and means attached to the rear' end of the conncctor to move the connector-forward relative to the reflector and toward said'pivoting means when the reflector is swung back in said body. 7

CHARLES E. GUDLEY.

a ring mounted in the open