US191884A - Improvement in lamp-chimney fastenings - Google Patents

Improvement in lamp-chimney fastenings Download PDF

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Publication number
US191884A
US191884A US191884DA US191884A US 191884 A US191884 A US 191884A US 191884D A US191884D A US 191884DA US 191884 A US191884 A US 191884A
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Prior art keywords
chimney
lamp
fastenings
improvement
burner
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages

Definitions

  • Figure 1 is a side view of a lamp-chimney and part of a burner to which my improvement has been applied, part being broken away to show the construction.
  • Fig. 2 is a cross-sectionof the same, taken through the line as m, Fig; 1.
  • the object of this invention isto furnish an improved device for securing lamp-chi
  • the invention consists in the inwardly-pro jecting notched or sectional flange formed around the lower edge of a lamp-chimney to receive springs attached to the top plate of the burner; and in the springs attached to the top plate of a lamp-burner, and having outwardly-projecting lugs formed upon their ends to overlap an inwardly-projecting flange of a lamp-chimney, as hereinafter fullydescribed.
  • A represents a lamp-chimney, having an inwardly-projecting flange, a, formed around its lower edge, which flange a/ is notched or is made in four sections, as shown in Fig. 2.
  • B is the burner, to the top plate of which are attached the middle parts of two springs, G, the end parts of which project upward and have outwardly-projecting lugs 0 formed upon their ends to overlap the flanges a of the chimney A.
  • the chimney A is placed upon the burner B in such a position that the lugs c of the springs 11) may pass through the notches of the flange a.
  • Theof a lamp-chimney to receive springs attached I 10 the top plate of the burner, substantially as herein shown and described.
  • the springs 0, attached to the top plate of a lamp-burner, and having outwardlyprojecting lugs 0 formed upon their ends to overlap an inwardly-projecting flange of a lamp-chimney, substantially as herein shown and described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Description

a. mcm'ans. LAMP-CHIMNEY FASTENINGS Pat ented June12,1877.
mums
masses:
ATTORNEYS.
UNITED STATES PATENT QFFIOE.
GEORGE RICHARDS, OF FLATBUSH, NEW YORK.
lMPROVEMENT IN LAMP-CHIMNEY FASTENINGS.
. Specification forming part of Letters Patent No. 19 [,884, dated June 12, 1877 application filed May 21, 1877.
To all whom it may concern:
. Be it known that I, GEORGE RICHARDS, of Flatbush, in the county of Kings and State of New York, have invented a new and useful Improvement in Lamp-Chimney Fastening, of which the following is a specification:
Figure 1 is a side view of a lamp-chimney and part of a burner to which my improvement has been applied, part being broken away to show the construction. Fig. 2 is a cross-sectionof the same, taken through the line as m, Fig; 1.
Similar letters of reference indicate corresponding parts.
The object of this invention isto furnish an improved device for securing lamp-chi|nneys to burners, which shall be simple in construction, convenient and safe in use, and which shall have no projecting part around the lower part of the chimney to obstruct the light or cast a shadow.
The invention consists in the inwardly-pro jecting notched or sectional flange formed around the lower edge of a lamp-chimney to receive springs attached to the top plate of the burner; and in the springs attached to the top plate of a lamp-burner, and having outwardly-projecting lugs formed upon their ends to overlap an inwardly-projecting flange of a lamp-chimney, as hereinafter fullydescribed.
A represents a lamp-chimney, having an inwardly-projecting flange, a, formed around its lower edge, which flange a/ is notched or is made in four sections, as shown in Fig. 2. B is the burner, to the top plate of which are attached the middle parts of two springs, G, the end parts of which project upward and have outwardly-projecting lugs 0 formed upon their ends to overlap the flanges a of the chimney A. With this constructionthe chimney A is placed upon the burner B in such a position that the lugs c of the springs 11) may pass through the notches of the flange a. Theof a lamp-chimney to receive springs attached I 10 the top plate of the burner, substantially as herein shown and described.
2. The springs 0, attached to the top plate of a lamp-burner, and having outwardlyprojecting lugs 0 formed upon their ends to overlap an inwardly-projecting flange of a lamp-chimney, substantially as herein shown and described.
GEORGE RICHARDS.
Witnesses:
ROBERT RICHARDS, JOHN BOURNE.
US191884D Improvement in lamp-chimney fastenings Expired - Lifetime US191884A (en)

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