US1997975A - Incandescent electric lamp - Google Patents

Incandescent electric lamp Download PDF

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Publication number
US1997975A
US1997975A US1997975DA US1997975A US 1997975 A US1997975 A US 1997975A US 1997975D A US1997975D A US 1997975DA US 1997975 A US1997975 A US 1997975A
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US
United States
Prior art keywords
supports
glass tube
filament
independent
electric lamp
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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
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English (en)
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.)
Publication date
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/24—Mounts for lamps with connections at opposite ends, e.g. for tubular lamp

Definitions

  • the object of the present invention is to pro its concave side, suspensions members, such as vide an incandescent electric lamp capableof hooks, eyelets, etc. 15 which are secured in many applications.
  • the invention also aims at the body of the insulating support and serve to producing a lamp of great simplicity and very carry the filament; in addition these insulating substantial and of little cost, as a result of a support elements 5 comprise fixing means such 5 simplification in the working of the glass. More as clasps I! or slits ill, by which the said elements particularly its object is to do away with fragile are mounted on the support wire I5.
  • a further object of the invention is to provide within the glass tube 1 in the following manner; 10 I tubular lamps such as in the form of letters, for (a) The plates of mica 5 5 are cut into luminous signs characterized by great simplicity triangular form. of construction and allowing of the use of tubes (b) The suspension members or clasps l6 are of great length of small diameter and of the most fixed on the cut p s 52 varied forms. l (c) All the plates 5 5 are then mounted 15 Electric lamps in which the foregoing objects on the support wire l5. t v
  • FIG. 3 is a transverse section of a'tubular lamp or bell-shaped mouth I which allows of t e ready taken on the line 3-3 in Fig. 2.
  • Fig. '1 represents a detail of one of the sup- Th supp rt nts 5 52 ar p a l ports shown in Fig. 6, of a heightgreater than the inner diameter of 35
  • the suspension member It of the filament 4 is One extremity of thefila ent 4 i connected bent into a curved form for part of its length to one of the electrodes 3 conveying current and co-opelates in retaining the Supporting thereto, while the other end of the filament 4 is n in ts Curved position.
  • Each insulating support element 5 is preferably a d pa o the a iS 0 the glass tube I.
  • Each insulating support element 5 carries on Further, the part of these support members 5 I which carries the filament 4 is arranged at right angles to the axis of the glass tube.
  • the chain support consisting entirely of insulating material such as, for instance, mica, possesses a high degree of suppleness and is particularly suitable for use in connection with the equipment of bent tubes of every shape.
  • This chain is made up of plates 30 (Fig. 6), the central tongue or blade 3
  • the flexible chain in question may be maintained in position by the mica blades 34 forming a spring and bearing on the inner wall of the tube I.
  • aspring blade 34 secured on the tongue 3!.
  • tubular lamps of small diameter and of any length, whatever their form may be; the tubes in question may, further, be worked, foldedor bent even after the supports and the filament have been mounted. They lend themselves particularly to the reproduction of decorative devices and of luminous signs.
  • an electric lamp comprising a glass tube and electrodes, the combination of a plurality of independent flexible supports of insulation mounted in the glass tube, a filament carried by said independent supports and connected to the electrodes, and connecting means independent of the filament for connecting the independent supports to form an adjustable flexible connection.
  • an electric lamp comprising a glass tube and electrodes, the combination of a plurality of independent flexible supports of insulation mounted in the glass tube, a filament carried by said independent supports and connected to the electrodes, and a supporting wire independent of the filament and mounted in the glass tube for flexibly connecting the said independent supports.
  • an electric lamp comprising a glass tube and electrodes, the combination of a plurality of independent flexible supports of insulation, each of said supports in normal conditions being of a height in excess of the inner diameter of the glass tube, said supports being mounted in the glass tube in deformed state and being held therein by elasticity, a filament mounted on the said supports and connected to the electrodes, and connecting means independent of the filament for flexibly connecting the said independent supports.
  • an electric lamp comprising a glass tube and leads, the combination of a plurality of independent flexible supports of insulation, each of said supports being of a height in excess of the inner diameter of the glass tube, said supports being mounted in the glass tube in deformed state and being held therein by elasticity, a curved suspending means carried by and assuming theform of each of the said deformed supports, a filament mounted upon the said suspending means'and connecting the said leads.
  • an electric lamp comprising a glass tube and leads, the combination of a plurality of independent flexible supports of insulation mounted in the glass tube, each of said supports having polygonal form and abutting with its corners the inner surface of the glass tube, a filament mounted upon the independent supports and connected to the leads, connecting means independent of the filament for flexibly connecting the said independent supports.
  • each of the said supports consisting of a plate provided with an upstanding central tongue, a filament carried by the said.- central tongues and connected to the leads, connecting means independent of the filament and connecting the said plates to one another, said plates forming the said independent flexible supports.
  • an electric lamp comprising a glass tube and leads, the combination of a plurality of independent flexible supports of insulation mounted in the glass tube, each of said supports consisting of a plate having an upstanding central tongue, a spring disposed on an independent support and abutting the inner surface of the glass tube, a filament carried by said upstanding central tongues of the supports and connected to the leads, connecting means independent of the filament for flexibly connecting the said plates to one another, the said plates forming said independent supports.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
US1997975D 1933-05-12 Incandescent electric lamp Expired - Lifetime US1997975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR622233X 1933-05-12

Publications (1)

Publication Number Publication Date
US1997975A true US1997975A (en) 1935-04-16

Family

ID=8985692

Family Applications (1)

Application Number Title Priority Date Filing Date
US1997975D Expired - Lifetime US1997975A (en) 1933-05-12 Incandescent electric lamp

Country Status (5)

Country Link
US (1) US1997975A (de)
BE (1) BE395662A (de)
DE (1) DE622233C (de)
FR (1) FR736998A (de)
GB (1) GB402664A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930178A (en) * 1973-07-10 1975-12-30 Thorn Electrical Ind Ltd Electrical incandescent filament devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930178A (en) * 1973-07-10 1975-12-30 Thorn Electrical Ind Ltd Electrical incandescent filament devices

Also Published As

Publication number Publication date
BE395662A (de)
FR736998A (fr) 1932-12-05
DE622233C (de) 1935-11-23
GB402664A (en) 1933-12-07

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