US737823A - Electric-arc lamp. - Google Patents

Electric-arc lamp. Download PDF

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US737823A
US737823A US13718702A US1902137187A US737823A US 737823 A US737823 A US 737823A US 13718702 A US13718702 A US 13718702A US 1902137187 A US1902137187 A US 1902137187A US 737823 A US737823 A US 737823A
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rods
plates
pivoted
plate
arm
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US13718702A
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Tito Livio Carbone
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00Electric arc lamps
    • H05B31/003Electric arc lamps of a special type
    • H05B31/0039Projectors, the construction of which depends upon the presence of the arc

Definitions

  • the present invention relates to an arclamp with electrodes inclined to each other at an acute angle, each electrode consisting of two carbon rods, which are also inclined to each other at an acute angle.
  • the carbons are guided by means of rods, which are carried by a top plate and supported on a base-plate. Sliding plates are mounted on the rods, and linkarms are pivoted to said sliding plates.
  • the link-arms carry the clamps for supporting the carbons, and each clamp is guided by a rod.
  • the lower ends of the carbons are guided in a common foot of the three rods which are necessary for each pair of carbon rods.
  • One of the two-rod systems is pivot ally mounted on the top plate and connected to a pivoted armature of an electromagnet by arms and links.
  • the new arc-lamp is shown on the draw- Ings.
  • Figure l is a front view. 2 is an end view seen from the right side.
  • Fig. 3 is a plan view
  • Fig. 4 is also a plan view, several parts having been'taken olf for better illustrating the arrangement of the carbon pairs.
  • Fig. 5 shows the hanging of the carbons on the slide-plate, partly in section.
  • Fig. 6 is a section on A B of Fig. 5.
  • Fig. 7 is a section on C D of Fig. 2.
  • Fig. Sis a section on E F of Fig. 2.
  • Fig. 9 corresponds to the Fig. 8 after having driven the closing-plates from one another.
  • Fig. 10 shows the device for cutting off the lamp after the carbons have been consumed.
  • Figs. 11, 12, and 13 show a sliding plate in front view, plan View, and edge view.
  • Figs. 14 and 15 show the device for supporting the two carbon rods of one electrode in front view and plan View.
  • Two angle-pieces 2 and 3 project from the carrier-plate l of insulating material.
  • three rods 7 8 9 with a common foot 39 are rigidly arranged to slant in the same direction as the electrodes, two of these rods 8 9 corresponding also to the inclination of the two carbon rods, forming one electrode.
  • a sliding plate 14 is guided on each system of three rods 7 8 9 and 10 11 12, on which plate the two carbon rods forming an electrode are hung by means of the pin 14, link-arms 19 20, and clamps 21 22.
  • a coil 23 is carried by the angle-pieces 2 3.
  • the armature 24 of the coil 23 can be attracted against the moment of its own weight when a current passes through the coil.
  • the movement of the armature 24 can be regulated exactly by means of set-screws 25.
  • the armature 24 is connected to the pivoted'rod system 10 11 12 by means of an arm 26, rigidly connected with the armature, a link-arm 27, and an angle-arm 28.
  • the base-plate 6 is provided with a larger aperture for the carbon rods 17 18 of the swiveling-rod system than for the carbon rods 15 16 of the rigid-rod system.
  • two plates 29, which are provided with notches 29, are pivoted on the base-plate and apin 30 is fixed on the rocking-rod system 10 11 12.
  • the two plates 29 are cut out on their edges in such a way that the closing and opening of the said plates may be automatically elfected'by the pin 30 during the rockingmovement of the rod system 10 11 12.
  • a pin 32 is provided 011 one sliding plate 14, which bears against the sloping end of a lever 34 in the lowest position of the sliding plate 14.
  • the lever 34E is pivoted at 33 on the arm 33, which is fixed to the carrier-plate 1.
  • the lever 34E hasa notch on its upper edge for apin 35, which is mounted to the arm 36.
  • the movable part 37 of a switch is fastened to the arm 36 and can be pivoted with the arm 36. If the pin 35 rests in the notch of thelever 34:, the movable part 37 is in contact with the rigid part 38 of the switch.
  • the rigid part 38 is provided with the contact-screw 38, to which is connected the one pole of the source of electricity, whose other pole is connected to the screw 10 of the rockingrod system 10 11 12.
  • the coil 23 may be connected in a shunt to the main current at 37 and 10. If desired, the coil 23 may be connected in series to the main current.
  • the operation of the lamp is as follows: As long as the lamp is without current the carbon rods of the one electrode rest on the carbon rods of the other electrode. As soon as current arrives the armature 24 is attracted. By means of the arm 26, the link-arm 27, and the angle-arm 28 the armature 24 turns the pivoted-rod system about 18 to such a degree that between the points of the electrodes an arc of the desired length is formed. During the movement of the pivoted-rod system the pin 30 slides to the edge of the plates 29 and bears to the lap 31. Thus the plates 29, which were before intheir opened position, Fig. 9, are closed, Fig. 8.
  • each electrode consisting of two carbon rods also inclined together at an angle
  • the combination of top and base plates a series of rods carried by said top plate and supported on said base-plate, sliding plates mounted on said rods, link-arms and clamps for supporting the carbon rods carried by said sliding plates with means for guiding the lower ends of said carbon rods, substantially as described.
  • each electrode consisting of two carbon rods also inclined together at an acute angle

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  • Radiation-Therapy Devices (AREA)

Description

No. 737,823. 7 PATENTED SEPT. 1, 1903.
T. L. GARBONH.
ELECTRIC ARC LAMP.
rrmouxon FILED DBO. 30, 1902. N0 MODEL. 2 SHEETSSHEET 1.
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I u 1 I mu I WITNESSES I'NVENTOR in; 1? cm g I Y I ATTORNEYS N0.73'7,a23. PATENTED SEPT. 1, 1903. T. L. GARBONE. ELECTRIC ARC LAMP.
APPLICATION FILED DEC. 30, 1902.
N0 MODBLJ H lN'VENT JR Arm/ 1 v 52 Jae, 1. MM
mmawbe 1 6 P1642. Y v v ATTORNgYS WITNESSIES I I l UNITED STATES Patented September 1, 1 903.
PATENT OEEIoE.
ELECTRIC-ARC LAMP.
SPECIFICATION forming part of Letters Patent No. 737,823, dated September 1, 1903.
Application filed December 30, 1902. Serial No. 137,187. (No model.)
T to whom it may concern:
Be it known that I, Trro LIvIo GARBONE, a subject of the King of Italy, residing at Grune- Wald, near Berlin, in the Kingdom of Prussia, German Empire, have invented certain new and useful Improvements in Arc-Lam ps; and I do hereby declare that the following is a full, clear, and exact description.
The present invention relates to an arclamp with electrodes inclined to each other at an acute angle, each electrode consisting of two carbon rods, which are also inclined to each other at an acute angle.
In the new arc-lamp the carbons are guided by means of rods, which are carried by a top plate and supported on a base-plate. Sliding plates are mounted on the rods, and linkarms are pivoted to said sliding plates. The link-arms carry the clamps for supporting the carbons, and each clamp is guided by a rod. The lower ends of the carbons are guided in a common foot of the three rods which are necessary for each pair of carbon rods. One of the two-rod systems is pivot ally mounted on the top plate and connected to a pivoted armature of an electromagnet by arms and links. When the coil of the electromagnet is passed by a current, the pivoted-rod system, and therefore the two carbon rods which form the one electrode, are removed from the two other carbon rods which form the other electrode. Thus the arc is formed. For the carbon rods of the pivoted-rod system a greater aperture is needed. After the arc has been formed this aperture is closed by two plates, which are pivoted on the base-plate. These two plates are opened and closed by a pin, which is mounted to the pivoted-rod system and which moves along the inner edges of the plates, which are cut in a suitable manner. As soon as the carbons are completely burned ed a pin, which is mounted to the sliding plate of the fixed-rod system, engages the sloping lower end of a pivoted lever, which releases a second lever, and thus breaks the circuit of the lamp.
The new arc-lamp is shown on the draw- Ings.
Figure l is a front view. 2 is an end view seen from the right side. Fig. 3 is a plan view, Fig. 4 is also a plan view, several parts having been'taken olf for better illustrating the arrangement of the carbon pairs. Fig. 5 shows the hanging of the carbons on the slide-plate, partly in section. Fig. 6 is a section on A B of Fig. 5. Fig. 7 is a section on C D of Fig. 2. Fig. Sis a section on E F of Fig. 2. Fig. 9 corresponds to the Fig. 8 after having driven the closing-plates from one another. Fig. 10 shows the device for cutting off the lamp after the carbons have been consumed. Figs. 11, 12, and 13 show a sliding plate in front view, plan View, and edge view. Figs. 14 and 15 show the device for supporting the two carbon rods of one electrode in front view and plan View.
Two angle- pieces 2 and 3 project from the carrier-plate l of insulating material. Two iron rods 4 and 5, fastened on the anglepieces, carry the base-plate 6, of insulating material Between the carrier-plate l and the base-plate 6 three rods 7 8 9 with a common foot 39 are rigidly arranged to slant in the same direction as the electrodes, two of these rods 8 9 corresponding also to the inclination of the two carbon rods, forming one electrode. Facing the said system of three rods 7 8 9 there are three other rods 10 11 12, which are provided with a foot and movably arranged on journals at 13, so that said three rods together have a slight rocking motion. A sliding plate 14 is guided on each system of three rods 7 8 9 and 10 11 12, on which plate the two carbon rods forming an electrode are hung by means of the pin 14, link-arms 19 20, and clamps 21 22.
A coil 23 is carried by the angle-pieces 2 3. The armature 24 of the coil 23 can be attracted against the moment of its own weight when a current passes through the coil. The movement of the armature 24 can be regulated exactly by means of set-screws 25. The armature 24 is connected to the pivoted'rod system 10 11 12 by means of an arm 26, rigidly connected with the armature, a link-arm 27, and an angle-arm 28.
The base-plate 6 is provided with a larger aperture for the carbon rods 17 18 of the swiveling-rod system than for the carbon rods 15 16 of the rigid-rod system. For the purpose of opening and closing this aperture two plates 29, which are provided with notches 29, are pivoted on the base-plate and apin 30 is fixed on the rocking-rod system 10 11 12. The two plates 29 are cut out on their edges in such a way that the closing and opening of the said plates may be automatically elfected'by the pin 30 during the rockingmovement of the rod system 10 11 12.
A pin 32 is provided 011 one sliding plate 14, which bears against the sloping end of a lever 34 in the lowest position of the sliding plate 14. The lever 34E is pivoted at 33 on the arm 33, which is fixed to the carrier-plate 1. The lever 34E hasa notch on its upper edge for apin 35, which is mounted to the arm 36. The movable part 37 of a switch is fastened to the arm 36 and can be pivoted with the arm 36. If the pin 35 rests in the notch of thelever 34:, the movable part 37 is in contact with the rigid part 38 of the switch. The rigid part 38, of insulating material, is provided with the contact-screw 38, to which is connected the one pole of the source of electricity, whose other pole is connected to the screw 10 of the rockingrod system 10 11 12. The coil 23 may be connected in a shunt to the main current at 37 and 10. If desired, the coil 23 may be connected in series to the main current.
The operation of the lamp is as follows: As long as the lamp is without current the carbon rods of the one electrode rest on the carbon rods of the other electrode. As soon as current arrives the armature 24 is attracted. By means of the arm 26, the link-arm 27, and the angle-arm 28 the armature 24 turns the pivoted-rod system about 18 to such a degree that between the points of the electrodes an arc of the desired length is formed. During the movement of the pivoted-rod system the pin 30 slides to the edge of the plates 29 and bears to the lap 31. Thus the plates 29, which were before intheir opened position, Fig. 9, are closed, Fig. 8. As the carbons burn off, the sliding plates 14:,which find only a very slight frictional resistance on the correspondingrod systems, cause an automatic feed of the carbons. When the sliding plates 14 sink down, the link-arms 19 20 permit the clamps 21 22 to approach to one another while sliding on the rods 8 9 and 11 12, respectively. As soon as the carbons are consumed the pin 32 bears against the undermost sloping end of the lever 34. The lever 34: having been thus moved the pin 35 of the arm 36 is freed from its notch 34 in the uppermost part of the lever 34. For this reason the arm 36 and the movable part 37 of the switch fall down, thereby breaking the circuit between the movable part 37 and the contact-screw 38' of the rigid part 38. After the circuit has been broken the armature 24; and the pivoted-rod system return to their initial position, Fig. 2. During this movement the pin 30 slides again on the edges of the plates 29 and forces the latter back in their opened position, Fig. 9.
Having now described my invention and in what manner the same is to be performed, what I claim, and desire to secure by Letters Patent, is-
1. In an arc-lamp, the electrodes of which are inclined together at an acute angle, each electrode consisting of two carbon rods also inclined together at an angle, the combination of top and base plates, a series of rods carried by said top plate and supported on said base-plate, sliding plates mounted on said rods, link-arms and clamps for supporting the carbon rods carried by said sliding plates with means for guiding the lower ends of said carbon rods, substantially as described.
2. In arc-lamps of the class described, the combination with the top and base plates, a series of rods carried by said plates, at second series of rods pivotally mounted on said plates, sliding plates mounted on said rods and carbon rods carried by said plates, of an electromagnet, a pivoted armature for said magnet and links connecting said armature with said pivotally-mounted rods, substantially as described.
3. In arc-lamps the electrodes, of which are inclined together at an acute angle, each electrode consisting of two carbon rods also inclined together at an acute angle, the combination of sliding plates, a fixed-rod system, guiding one sliding plate, and a swivelingrod system, guiding another sliding plate, link-arms pivoted to each sliding plate, and clamps for supporting the carbon rods, with a slotted base-plate and two pivoted plates, which are opened and closed by a pin, mounted on the swiveling-rod system, substantially as shown and described.
4.. In an arc-lamp of the class described, the combination with the rods, plates sliding thereon, a pin on one end of said plates, of a pivoted lever having a sloping lower end, adapted-to be engaged by said pin, and a cutoff lever designed to be tripped by said pivoted lever, substantially as described.
In witness whereof I have hereunto set my hand in presence of two witnesses.
TITO LIVIO CARE ONE.
WVitnesses:
HEINRICH WOLTHEIM, D. LEwINsoHN.
US13718702A 1902-12-30 1902-12-30 Electric-arc lamp. Expired - Lifetime US737823A (en)

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