US2053138A - Miniature incandescent lamp - Google Patents

Miniature incandescent lamp Download PDF

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Publication number
US2053138A
US2053138A US27503A US2750335A US2053138A US 2053138 A US2053138 A US 2053138A US 27503 A US27503 A US 27503A US 2750335 A US2750335 A US 2750335A US 2053138 A US2053138 A US 2053138A
Authority
US
United States
Prior art keywords
lamp
neck portion
bulb
incandescent lamp
miniature incandescent
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
US27503A
Inventor
John F Donovan
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
Application filed by General Electric Co filed Critical General Electric Co
Priority to US27503A priority Critical patent/US2053138A/en
Priority to GB16755/36A priority patent/GB461483A/en
Priority to FR807410D priority patent/FR807410A/en
Application granted granted Critical
Publication of US2053138A publication Critical patent/US2053138A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel

Definitions

  • My invention relates to electric lamps and more particularly to the base or terminal portion there- J of which, when fitted into an appropriate socket,
  • FIG. 3 is a section at the line 3,-3 I
  • FIGs. 1 and 2 are front and side elevations of an incandescent lamp comprising of Fig. 2;
  • Fig. 4 is a modification;
  • Fig. 5 is a section at the line 55 of Fig. 4;
  • Fig. 6 is a somewhat diagrammatic elevation partly in section of apparatus used in the manufacture of the modification in Fig. l;
  • Fig. 7 is an elevation, part- 117 in section, of a receptacle having one of the lamps comprising my invention mounted therein.
  • the lamp comprises a bulb it having a reduced cylindrical neck portion it and containing a filament it mounted on lead wires 3 which are held in spaced relation by a glass head it.
  • the lamp is of the butt-seal type in which portions of the leads it are sealed in the glass of the joint formed by the end of the rectly inserted in a socket andto prevent it from rotating therein, the neck portion iiis preferahly provided with apair of longitudinally extending protuberances it which are preferably blown therein at the time the bulb is blown.
  • the outer leads it are held in place by a band it of plastic insulating material, such as sealing wan or cement. encircling the neck ll of the bulb and having protuberances 20 in which the said outer leads are embedded.
  • the said band l9 may be applied to the neck portion H of the bulb from the periphery of a rotating disc or wheel 24 (Fig. 6) which carries the insulating material up from a container 25 and is brought in contact with the said neck H to deposit the insulating material thereon.
  • the periphery of the said wheel is provided with notches 26 which carry an excess of the insulating material to form the protuberant portions 20 of the band iii.
  • the lamp I0 is shown mounted in a receptacle 2! of the imitation candle type which comprises a tube 22 of insulating material, such as cardboard having a pair of arcuate terminal members 23 mounted therein.
  • the longitudinal protuberances i8 on the bulb neck I! flt'between the sides of the terminal members 23, it being impossible to insert the lamp in any other position.
  • the said protuberances l8 thereby insure that the lamp is correctly positioned in the receptacle or socket so that the outer leads I6 are in contact withthe socket terminals 23, and they also prevent rotation of the lamp in the socket so that the leads it cannot be twisted off.
  • An electric lamp comprising a bulb having a neck portion, a pair of lead wires having portions thereof sealed in the walls of said neck portion and extending longitudinally of said neck portion on opposite sides of theouter surface thereof and a band of insulating material encircling said neck portion of said bulb and the ends of said lead wires for holding said lead wires in position on said neck portion of said bulb.
  • An electric lamp comprising a'bulb having'a neck portion, a pair of lead wires having portions thereof sealed in the walls of said neck portion and extending longitudinally of said neck portion on opposite sides of the outer surface thereof and a band. of plastic insulating materialencircling

Description

'Sept. '1, 193 J. F. DCNOVAN 2,053,138
MINIATURE INCANDES CENT LAMP Filed June 20, 1955 Fig. 2.
Inventor John F Donovan,
is Attorney.
Patented Sept. I, 1936 screens:
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er STATES 2,053,138 MINIATURE mcANnnscEN'r LAMP awe Jinan bias: as ceases-diners amihceiirs .eiind is s: it arrived dish a ameiaqznoo new: chassis as. dined earthy heat to a delicacy New Fork Application June 20, 1935, Serial No. 27,503
4 Claims.
My invention relates to electric lamps and more particularly to the base or terminal portion there- J of which, when fitted into an appropriate socket,
- following description of species thereof and from my invention; Fig. 3 is a section at the line 3,-3 I
the drawing.
In the drawing Figs. 1 and 2 are front and side elevations of an incandescent lamp comprising of Fig. 2; Fig. 4 is a modification; Fig. 5 is a section at the line 55 of Fig. 4; Fig. 6 is a somewhat diagrammatic elevation partly in section of apparatus used in the manufacture of the modification in Fig. l; and Fig. 7 is an elevation, part- 117 in section, of a receptacle having one of the lamps comprising my invention mounted therein.
Referring to Figs. 1 to 3, the lamp comprises a bulb it having a reduced cylindrical neck portion it and containing a filament it mounted on lead wires 3 which are held in spaced relation by a glass head it. The lamp is of the butt-seal type in which portions of the leads it are sealed in the glass of the joint formed by the end of the rectly inserted in a socket andto prevent it from rotating therein, the neck portion iiis preferahly provided with apair of longitudinally extending protuberances it which are preferably blown therein at the time the bulb is blown.
In the modification shown in Figs. and 5, the outer leads it are held in place by a band it of plastic insulating material, such as sealing wan or cement. encircling the neck ll of the bulb and having protuberances 20 in which the said outer leads are embedded. The said band l9 may be applied to the neck portion H of the bulb from the periphery of a rotating disc or wheel 24 (Fig. 6) which carries the insulating material up from a container 25 and is brought in contact with the said neck H to deposit the insulating material thereon. The periphery of the said wheel is provided with notches 26 which carry an excess of the insulating material to form the protuberant portions 20 of the band iii.
In Fig. 7, the lamp I0 is shown mounted in a receptacle 2! of the imitation candle type which comprises a tube 22 of insulating material, such as cardboard having a pair of arcuate terminal members 23 mounted therein. The longitudinal protuberances i8 on the bulb neck I! flt'between the sides of the terminal members 23, it being impossible to insert the lamp in any other position. The said protuberances l8 thereby insure that the lamp is correctly positioned in the receptacle or socket so that the outer leads I6 are in contact withthe socket terminals 23, and they also prevent rotation of the lamp in the socket so that the leads it cannot be twisted off.
What I claim as new and desire to secure by Letters Patent of the United States is:
1. An electric lamp comprising a bulb having a neck portion, a pair of lead wires having portions thereof sealed in the walls of said neck portion and extending longitudinally of said neck portion on opposite sides of theouter surface thereof and a band of insulating material encircling said neck portion of said bulb and the ends of said lead wires for holding said lead wires in position on said neck portion of said bulb. Y
2. An electric lamp comprising a'bulb having'a neck portion, a pair of lead wires having portions thereof sealed in the walls of said neck portion and extending longitudinally of said neck portion on opposite sides of the outer surface thereof and a band. of plastic insulating materialencircling
US27503A 1935-06-20 1935-06-20 Miniature incandescent lamp Expired - Lifetime US2053138A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US27503A US2053138A (en) 1935-06-20 1935-06-20 Miniature incandescent lamp
GB16755/36A GB461483A (en) 1935-06-20 1936-06-16 Improvements in and relating to electric lamps
FR807410D FR807410A (en) 1935-06-20 1936-06-19 Improvements to small size lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27503A US2053138A (en) 1935-06-20 1935-06-20 Miniature incandescent lamp

Publications (1)

Publication Number Publication Date
US2053138A true US2053138A (en) 1936-09-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
US27503A Expired - Lifetime US2053138A (en) 1935-06-20 1935-06-20 Miniature incandescent lamp

Country Status (3)

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US (1) US2053138A (en)
FR (1) FR807410A (en)
GB (1) GB461483A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881405A (en) * 1956-03-07 1959-04-07 Philco Corp Mounting apparatus
US2999180A (en) * 1955-09-07 1961-09-05 British Thomson Houston Co Ltd Electric lamps
US3206713A (en) * 1962-03-21 1965-09-14 John J Horan Lamp having resilient terminals
US3327283A (en) * 1965-03-09 1967-06-20 Sylvania Electric Prod Photoflash lamp
US3369144A (en) * 1963-12-17 1968-02-13 Rival Lamps Ltd Capless lamps
US3548243A (en) * 1967-06-26 1970-12-15 Dino Magherini Electric light bulb and terminal cap assembly
US3876896A (en) * 1973-01-31 1975-04-08 Albrecht Kg W Subminiature incandescent bulb with lateral contact elements
US3881798A (en) * 1969-12-08 1975-05-06 John J Horan Snap-in electric lamp
US3892463A (en) * 1969-12-08 1975-07-01 John J Horan Snap-latching, snap-lighting electric lamps and methods for making same
US3986068A (en) * 1974-12-10 1976-10-12 W. Albrecht Kg Miniature indicating lamp
US4724353A (en) * 1984-02-16 1988-02-09 Gte Products Corporation Electric lamp with insulating base
US20040264183A1 (en) * 2003-06-26 2004-12-30 Chin-Chun Pan Christmas lamp bulb

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8006801A (en) * 1980-12-16 1982-07-16 Philips Nv ELECTRIC LIGHT BULB.
GB2252212A (en) * 1991-01-28 1992-07-29 Hsieh Yeh Hsun Christmas tree light, bulb and method of manufacturing the same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999180A (en) * 1955-09-07 1961-09-05 British Thomson Houston Co Ltd Electric lamps
US2881405A (en) * 1956-03-07 1959-04-07 Philco Corp Mounting apparatus
US3206713A (en) * 1962-03-21 1965-09-14 John J Horan Lamp having resilient terminals
US3369144A (en) * 1963-12-17 1968-02-13 Rival Lamps Ltd Capless lamps
US3327283A (en) * 1965-03-09 1967-06-20 Sylvania Electric Prod Photoflash lamp
US3548243A (en) * 1967-06-26 1970-12-15 Dino Magherini Electric light bulb and terminal cap assembly
US3881798A (en) * 1969-12-08 1975-05-06 John J Horan Snap-in electric lamp
US3892463A (en) * 1969-12-08 1975-07-01 John J Horan Snap-latching, snap-lighting electric lamps and methods for making same
US3876896A (en) * 1973-01-31 1975-04-08 Albrecht Kg W Subminiature incandescent bulb with lateral contact elements
US3986068A (en) * 1974-12-10 1976-10-12 W. Albrecht Kg Miniature indicating lamp
US4724353A (en) * 1984-02-16 1988-02-09 Gte Products Corporation Electric lamp with insulating base
US20040264183A1 (en) * 2003-06-26 2004-12-30 Chin-Chun Pan Christmas lamp bulb

Also Published As

Publication number Publication date
FR807410A (en) 1937-01-12
GB461483A (en) 1937-02-17

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