US379792A - new yoek - Google Patents
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- Publication number
- US379792A US379792A US379792DA US379792A US 379792 A US379792 A US 379792A US 379792D A US379792D A US 379792DA US 379792 A US379792 A US 379792A
- Authority
- US
- United States
- Prior art keywords
- ball
- carbon
- holder
- frame
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052799 carbon Inorganic materials 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000011810 insulating material Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 239000010454 slate Substances 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/04—Main electrodes; Auxiliary anodes
- H01J13/16—Anodes; Auxiliary anodes for maintaining the discharge
Definitions
- This invention relates to means whereby the [O carbons of an electric lamp are insulated from its frame in asimple and efficient manner; and the invention consists in the combination of a non-combustible insulating-ball with the upper-carbon rod and holder and a non-com- I 5 bustible insulating-plate with the lower-can bon holder and lamp-frame, as hereinafter particularly set forth and claimed.
- Figure 1 is a front elevation, partly in section, of a lamp of the usual type, to which my improvements are applied.
- Fig. 2 is a top plan view ofthe lower .part of the frame and the non-combustible insulating-plate for the lower carbon
- Fig. 3 is a detail in section of the lower end of the upper-carbon rod and holder and the noncombustible insulating-ball.
- the uppercarbon holder E is made in two halves, which, when united, form atubular socket, E, with a globular expansion, E, at the upper end.
- the tubular socket receives the carbon H and the 5 globular expansion the ball F, and when the two halves of the holder E are clamped together, as by a set-screw, a, as shown more particularly in Fig. 3, the ball and carbon H are securely held in place.
- the lower carbon holder D consists of a tube, 0, which passes through and is supported on a plate, G, of slate or other non-combustible insulating material. This tube is formed with a shoulder,
- the line-wires are connected to the carbonholders by binding-posts or like devices, as
Landscapes
- Radiation-Therapy Devices (AREA)
Description
(No Model.)
E. R. KNOWLES.
ELECTRIC ARC LAMP.
Patented Mar. 20, 1888.
W51 ease/s UNITED STATES PATENT OFFICE.
EDWARD R. KNOWLES, OF BROOKLYN, NEW YORK, ASSIGNOR TO ALBERT M. KALBFLEISCH, OF NEW YORK, N. Y., AND THE MUTUAL ELECTRIC MANUFACTURING COMPANY, OF NEW YORK.
ELECTRIC-ARC LAMP.
SPECIFICATION forming part of Letters Patent No. 379,792, dated March 20, 1888.
Application filed December 3, 1885. Renewed July 25, 1887. Serial No. 245,277. (No model.)
To aZZ whom it may concern:
Be it known that I, EDWARD R. KNOWLES, a citizen of the United States, residing at Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Electric Lamps, of which the following is a full, clear, and exact description.
This invention relates to means whereby the [O carbons of an electric lamp are insulated from its frame in asimple and efficient manner; and the invention consists in the combination of a non-combustible insulating-ball with the upper-carbon rod and holder and a non-com- I 5 bustible insulating-plate with the lower-can bon holder and lamp-frame, as hereinafter particularly set forth and claimed. In the accompanying drawings, in the several figures of which like parts are designated by similar letters of reference, Figure 1 is a front elevation, partly in section, of a lamp of the usual type, to which my improvements are applied. Fig. 2 is a top plan view ofthe lower .part of the frame and the non-combustible insulating-plate for the lower carbon, and Fig. 3 is a detail in section of the lower end of the upper-carbon rod and holder and the noncombustible insulating-ball.
In the drawings,A B designate alamp-frame with uppercarbon rod C, upper-carbon holder or clamp E, and lower-carbon holder D. The rod 0, as shown, is reduced in diameter at its lower end, and said end is made concave to conform to the shape of a ball, F, against which 3 5 it bears. This ball F is made of non-combustible insulating material, such as porcelain, and has drilled through it a hole toreceive a screw, b,'which also enters the lower end of the rod C and fastens the ball to the lower end 0 of said rod, as shown. The uppercarbon holder E is made in two halves, which, when united, form atubular socket, E, with a globular expansion, E, at the upper end. The tubular socket receives the carbon H and the 5 globular expansion the ball F, and when the two halves of the holder E are clamped together, as by a set-screw, a, as shown more particularly in Fig. 3, the ball and carbon H are securely held in place. The lower carbon holder D consists of a tube, 0, which passes through and is supported on a plate, G, of slate or other non-combustible insulating material. This tube is formed with a shoulder,
d, which rests on the plate G, and the tube is secured in place by means of this shoulder and 5 5 a nut, e, which surrounds the lower end of the tube and bears against the under side of the plate. The lower carbon, I, is held in this tube by means of a set-screw, f, and the plate G is secured to the frame by screws g 9, or in other suitable manner.
It will be seen that the ball F and plate G effectually prevent by insulation any electrical communication between the carbon-hold ers and the lamp-frame, and as they are non- 6 combustible liability of damage to the frame is thereby avoided.
The line-wires are connected to the carbonholders by binding-posts or like devices, as
2. The combination, in an electric lamp, of a a noncombustible insulating-ball and a noncombustible insulating-plate with the carbonholders and lamp-frame, substantially as specified.
In testimony whereof I have hereunto set my hand this 10th day of November, A. D. 1885.
EDWARD R. KNOWLES.
Witnesses:
ARTHUR O. WEBB, Ones. DE L. YOUNG.
Publications (1)
Publication Number | Publication Date |
---|---|
US379792A true US379792A (en) | 1888-03-20 |
Family
ID=2448788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US379792D Expired - Lifetime US379792A (en) | new yoek |
Country Status (1)
Country | Link |
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US (1) | US379792A (en) |
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0
- US US379792D patent/US379792A/en not_active Expired - Lifetime
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