US1987427A - Electric lamp - Google Patents

Electric lamp Download PDF

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Publication number
US1987427A
US1987427A US700267A US70026733A US1987427A US 1987427 A US1987427 A US 1987427A US 700267 A US700267 A US 700267A US 70026733 A US70026733 A US 70026733A US 1987427 A US1987427 A US 1987427A
Authority
US
United States
Prior art keywords
bulb
base
lamp
sealed
disc
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
Application number
US700267A
Other languages
English (en)
Inventor
Estell M Watson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to BE406398D priority Critical patent/BE406398A/xx
Application filed by General Electric Co filed Critical General Electric Co
Priority to US700267A priority patent/US1987427A/en
Priority to GB34092/34A priority patent/GB439593A/en
Priority to FR782179D priority patent/FR782179A/fr
Application granted granted Critical
Publication of US1987427A publication Critical patent/US1987427A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Definitions

  • the ring 15 and bulb disc 19 are of a metal or alloy which has substan- Here'tofore, the practice has been to provide a tially the same .coefilcient of expansion as the separate base for such devices which is cemented glass parts sealed thereto.
  • One such alloy which to the closed neck of the bulb, the mount," comalso wets" well to the glass consists substantially prising the energy translation element and its of 73 per cent iron and '27 per cent chromium. supporting structure, being supported by the bulb.
  • the base flanges are preferably of diflerent width According to my invention, a metal base is and in this instance have been stitfened by a sealed directly to the open neck of the bulb, thus downwardly bent flange 21.
  • the glass collar 20 actually constituting a portion of the bulb wall, of the base serves to facilitate attachment of the and the mount is supported by the said metal base bulb-.13 to the base as the neck thereof is sealed independently of the glass bulb.
  • the said base is to said collar, and also serves to support the filaprovided with engagement means for mounting ment 10 by means of a plurality of wires 22 parthe lamp in a socket and is especially adaptable tially embedded therein and extending upward for precision lamps, in which the light source, or and engaging intermediate sections of said filafilament, must bear a definite predetermined rement.
  • the lamp is preferably exhausted through lation' to the base.
  • the present practice consists aperture 23 in disc 19 which is then closed by a in mounting the filament in the bulb and then body 24 of glass sealed thereto.
  • the lam can be used disp s d and utward y xtendin flan s or lu s to advantage in projectors comprising a reflector 31 and 32 and which is sealed to the neck of the or lens with respect to which the filament must u b 5 as own.
  • the wire 27 is welded to disc 30 be accurately located, since standard lamps made 33 which is sealed to e 6 -1 1 r ng 34 01 glass according to my invention may be interchanged which is also sealed to ring 30. The intermediate without the necessity of focusing adjustments.
  • Fig. 1 is a perspective view of lamp is evacuated through pe ure 38 in disc 33 an incandescent electric 1 1 my invention; which is then closed by a mass 39 of glass sealed
  • Fig. 2 is a longitudinal section therethrough;
  • Fig. theret 3 is a transverse section through said lamp along A socket suitable for either of the lamps d 0 line 33 of Fig.
  • Fig. 4 is a longitudinal section scribed is shown in 6-
  • This device consists 40 through a modified lamp of my invention
  • Fig. 5 of an insulating dy 50 in which is mounted'a is a transverse section through said modification metal shell 4 ml a p n a h of which conalong line 55 of Fig. 4
  • Fig. 6 is a perspecstitutes a terminal element.
  • the shell is protive view partially in section of a socket suitabl vided with a recessed portion or annular shoulder 5 for use with the lamp of my invention.
  • said substantially the same size as the lamp base lamp comprises a. filament 10 the ends of which flanges.
  • Each of th fla s 4 45 is provided are mounted on lead wires 11 and 12 in the bulb with a downwardly extending lip 46 which pre- 5 13.
  • the opposite ends of each of the lead wires vents the base from being turned counterclock- 50 are mounted on separate conductive portions of wise after insertion and with depressed portions the base 14.
  • the base comprises a metal ring 15 47 which lock the base flanges in place after they having a pair of oppositely disposed flanges or have been inserted thereunder by a clockwise rolugs 16 and 1'? extending therefrom and an intation of the lamp.
  • Pin 42 engages the base disc 66 wardly extending lug or lip 18 to which lead 'wire and is urged upward against the bottom of said disc by spring 48.
  • To insert the lamp in the socket it is advanced toward said socket so that the base flanges are brought opposite the proper openings between the socket flanges 44, 45 whereupon the said lamp is pushed downward and turned clockwise until the base flanges are located behind the depressed portions 47 of said socket flanges. In this position, the base flanges engage the lower surface of the socket flanges between lip 46 thereof and depression 4'7, and the disc of the lamp base is in engagement with pin 42.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal ring portion sealed to the walls of an opening in said bulb and having engagement means for mounting said lamp and a metal disc sealed to said ring portion over said opening insaid bulb through the medium of an insulating collar of plastic material, an energy translation element in said bulb, and a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said ring and disc portions of said base.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal ring portion sealed to the walls of an opening in said bulb and having engagement means for mounting said lamp and a metal disc sealed to said ring portion through the medium of an insulating collar of plastic material, an energy translation element in said bulb, a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said ring and disc portions of said base, and a plurality of support wires engaging portions of said translation element and having their ends embedded in said insulating collar.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal ring portion sealed to the walls of an opening in said bulb and having engagement means for mounting said lamp and an inwardly extendinglug and a metal disc sealed to said ring portion over said opening in said bulb through the medium of an insulating collar of plastic material, said lug projecting into said bulb through said insulating collar, an energy translation element in said bulb, and a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said inwardly projecting lug and disc portions of said base.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal ring portion sealed to the walls of an opening in said bulb and having laterallyand outwardly extending engagement means for mounting said lamp and a metal disc sealed to said ring portion over said opening in said bulb through the medium of an insulating collar of plastic material, an energy translation element in said bulb, and a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said ring and disc portions of said base.
  • An electric, lamp or similar device comprising a bulb, a base comprising a metal ring portion sealed to the walls of an opening in said bulb and having laterally outwardly extending engagement means and a lug extending inwardly into said bulb and a metal disc sealed to said ring portion through the medium of an insulating collar of plastic material, an energy translation element in said bulb, a pair of leading-in wires each connected at one end to one end ofsaid translation element. the opposite ends of said leading-in wires being attached respectively to said inwardly extending lug and disc portions of said base, an insulating arbor mounted on said lug and extending upwardly in said bulb, and a plurality of support wires mounted on said arbor and engaging portions of said energy translation element.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal terminal ring portion sealed to the walls of an opening in said bulb and having engagement means for mounting said lamp and a metal terminal disc sealed to said terminal ring portion over said opening in said bulb through the medium of an insulating collar of fusible material, said terminal disc constituting the end wall of the bulb, an energy translation element in said bulb, and a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said ring and disc portions of said base.
  • An electric lamp or similar device comprising a bulb, a base comprising a metal terminal ring portion sealed to the walls of an opening in said bulb and having engagement means for mounting said lamp and a metal terminal disc sealed to said terminal ring portion over said opening in said bulb through the medium of an insulating collar of fusible material, said terminal disc constituting the end wall of the bulb, an energy translation element in said bulb, and a pair of leading-in wires each connected at one end to one end of said translation element, the opposite ends of said leading-in wires being attached respectively to said ring and disc portions of said base, and at least one support wire engaging a portion of said translation element and having its end embedded in said collar.

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
US700267A 1933-11-29 1933-11-29 Electric lamp Expired - Lifetime US1987427A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE406398D BE406398A (da) 1933-11-29
US700267A US1987427A (en) 1933-11-29 1933-11-29 Electric lamp
GB34092/34A GB439593A (en) 1933-11-29 1934-11-27 Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb
FR782179D FR782179A (fr) 1933-11-29 1934-11-28 Lampe électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700267A US1987427A (en) 1933-11-29 1933-11-29 Electric lamp

Publications (1)

Publication Number Publication Date
US1987427A true US1987427A (en) 1935-01-08

Family

ID=24812846

Family Applications (1)

Application Number Title Priority Date Filing Date
US700267A Expired - Lifetime US1987427A (en) 1933-11-29 1933-11-29 Electric lamp

Country Status (4)

Country Link
US (1) US1987427A (da)
BE (1) BE406398A (da)
FR (1) FR782179A (da)
GB (1) GB439593A (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415902A (en) * 1944-04-12 1947-02-18 Gen Electric Lamp base and holder
US2722668A (en) * 1952-09-06 1955-11-01 Gen Electric Canada Electric lamp
US3173735A (en) * 1960-12-05 1965-03-16 Ass Elect Ind Capping of electric lamps

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102367C (da) * 1955-03-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415902A (en) * 1944-04-12 1947-02-18 Gen Electric Lamp base and holder
US2722668A (en) * 1952-09-06 1955-11-01 Gen Electric Canada Electric lamp
US3173735A (en) * 1960-12-05 1965-03-16 Ass Elect Ind Capping of electric lamps

Also Published As

Publication number Publication date
FR782179A (fr) 1935-05-31
GB439593A (en) 1935-12-10
BE406398A (da)

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