US574119A - seymour - Google Patents
seymour Download PDFInfo
- Publication number
- US574119A US574119A US574119DA US574119A US 574119 A US574119 A US 574119A US 574119D A US574119D A US 574119DA US 574119 A US574119 A US 574119A
- Authority
- US
- United States
- Prior art keywords
- arc
- globe
- carbon
- holder
- lamp
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- 238000010276 construction Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/003—Electric arc lamps of a special type
- H05B31/0036—Electric arc lamps of a special type for projection, copying or stage lighting
Definitions
- a cover I which is provided a i i .As' ordinarily constructed, arcinclosing with an opening g, through which the carbon- V l globes have'been provided with a cover havholderG passes and is fed.
- An annular valve ing a hole formed therein, through which the h snugly encircles the'carbomholder and seats feeding carbon passes and in which it snugly s.
- the arc-inclosing globe is preferably formed with its upper portion '11 of small diameter to and uneven surface, and, further, because in the man facture of carbons it is impossible h to make them perfectly straight and true that It W-IHIGCGIVG the full length of 8c e object of my'invent'ion is to provide an ,bot carbons and thus render it unnecessary arc-inclosingglobeof such construction and so combinedwith the lamp that it may be maintained practically air-tight without the f v necessity of applying packing of any kind or than the'diameter of the feeding carbon.
- Socket a is preferably formed interal with the globe-holderF, which is pro- Having fully described myinvehtion,what In testimony whereof I have signed this 1 claim as new, and desire/c0 secure byLettegs ,specification in the'presence of two subscrib- 1 o Patent, i s ing witnesses-L In an arc-lamp, the combination with its HENRY SEYMOUR 5 carbons, andcarbon-holder', of an arc inclosingglobdprqvided with a, cover which is Witnesses: mounted upon and supported by the carbon S. G.NOTTINGHAM, holder, substantially as set fbrth.';- -S. W. FOSTER.
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
I To all whom it mayioonce'rm U ITED STATES'-P ATENr OFFICE.
' HEN Y A; SEYMOUR, or" WASIIIN n pls'rnmr or COLUMBIA.
- ELECTRIC-ARC LAMP. srnerrrcntrron forming part of Lettersratent no. 574,119, dated Deeember'29, 1896.
' Applioatlon filed'Ju1y18p1896. swarm; 599,692. on main.)
outwardly-projecting pins bQwhich 'Be it known that-I', HENRY AVSEYMOUR, of engage inbayonet-lock slots 0, formed in the 'ashington, District of Columbia, have inring (1, whichconneet the two side rods. This 5 in Arc-Lamps; and I'do hereby declare the ailatitathment of the globe-holder. I
scription of thelnvention, such as will enable to thezcarbonsholder G by means of a split ot ers skilled in the art to which it appertains' socket e and a screw-threaded thumb-nut f. to. make anduse the same. II is an arc-inclosing globe. It is secured o L My invention relates to an improvement in at itsvlower end practically air-tight to the arc-lamps, and especially to'that type oflarn'ps globe-holder F. Upon the upper end of the in which arc-inclosing globes are employed. 'globedss'eated a cover I, which is provided a i i .As' ordinarily constructed, arcinclosing with an opening g, through which the carbon- V l globes have'been provided with a cover havholderG passes and is fed. An annular valve ing a hole formed therein, through which the h snugly encircles the'carbomholder and seats feeding carbon passes and in which it snugly s. ln order'to maintain such arc-inclosing globes as nearly air-tight as it was possible, various constructions of packing were, re sorted to for packing the opening between the outer surfabe of the'feedingcarbon and the following to be a full, clear, and exact (ie E is the feeding carbon, which is attached h its operation in adjusting and feedmadeto snugly fit the carbon-holder;
The arc-inclosing globe is preferably formed with its upper portion '11 of small diameter to and uneven surface, and, further, because in the man facture of carbons it is impossible h to make them perfectly straight and true that It W-IHIGCGIVG the full length of 8c e object of my'invent'ion is to provide an ,bot carbons and thus render it unnecessary arc-inclosingglobeof such construction and so combinedwith the lamp that it may be maintained practically air-tight without the f v necessity of applying packing of any kind or than the'diameter of the feeding carbon. The description around the carbon. I cover of" the arc-inclosing globe is mounted With thisendin'viewmy invention consists upon and supported by thecarbon-holdcr, so
t cover which is mounted'uponand supported of theu'pperlend' of the globe after new cary the carbon-holder. .bons have been inserted.
he accompanying drawing illustrates my e The outer globe is secured in a practically mproved lamp partly in side elevationand, air-tight manner to the lamp, and hence preartly in vertical section.
c vents the ingress of outer air thereto, and is the Iamp-casing, B the lamp-floor, 0 serves to zs'hield the are-mclosing. globe. 1e outer globe, and D-the'side rods, of the I Lmp frame: The lower carbon E is'secured 1 a. socket a by means of a set-screw or other cvice. Socket a is preferably formed interal with the globe-holderF, which is pro- Having fully described myinvehtion,what In testimony whereof I have signed this 1 claim as new, and desire/c0 secure byLettegs ,specification in the'presence of two subscrib- 1 o Patent, i s ing witnesses-L In an arc-lamp, the combination with its HENRY SEYMOUR 5 carbons, andcarbon-holder', of an arc inclosingglobdprqvided with a, cover which is Witnesses: mounted upon and supported by the carbon S. G.NOTTINGHAM, holder, substantially as set fbrth.';- -S. W. FOSTER.
Publications (1)
Publication Number | Publication Date |
---|---|
US574119A true US574119A (en) | 1896-12-29 |
Family
ID=2642814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US574119D Expired - Lifetime US574119A (en) | seymour |
Country Status (1)
Country | Link |
---|---|
US (1) | US574119A (en) |
-
0
- US US574119D patent/US574119A/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US574119A (en) | seymour | |
US1253572A (en) | Electrode for electric-arc lamps. | |
US655176A (en) | Electric-arc lamp. | |
US546625A (en) | seymour | |
US574117A (en) | Henry a | |
US638159A (en) | Carbon-holder for electric-arc lamps. | |
US311142A (en) | Half to w | |
US262718A (en) | young | |
US543186A (en) | John c | |
US651248A (en) | Carbon and globe holder for arc-lamps. | |
US1278661A (en) | Carbon-holder of electric-arc lamps. | |
US659711A (en) | Electric-arc lamp. | |
US737668A (en) | Electric-arc lamp. | |
US678446A (en) | Inclosed-electric-arc lamp. | |
US969814A (en) | Search-light, projector, and the like. | |
US565861A (en) | Electric-arc lamp | |
US715643A (en) | Carbon-guide for electric lamps. | |
US620117A (en) | David gertin | |
US585318A (en) | Erwin lavens | |
US256803A (en) | John b | |
US458386A (en) | Nathan m | |
US562609A (en) | Electric-arc lamp | |
US255731A (en) | Shade-holder for lamps | |
US613858A (en) | Cap for inclosed arc-lamps | |
US463154A (en) | Electric-arc lamp |