US850970A - Sidewalk-light. - Google Patents

Sidewalk-light. Download PDF

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Publication number
US850970A
US850970A US30874706A US1906308747A US850970A US 850970 A US850970 A US 850970A US 30874706 A US30874706 A US 30874706A US 1906308747 A US1906308747 A US 1906308747A US 850970 A US850970 A US 850970A
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Prior art keywords
sidewalk
bars
light
metallic
supporting
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Expired - Lifetime
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US30874706A
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Christian H Ross
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DAUCHY IRON WORKS
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DAUCHY IRON WORKS
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Priority to US30874706A priority Critical patent/US850970A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/46—Special adaptation of floors for transmission of light, e.g. by inserts of glass

Definitions

  • My invention relates to sidewalk-lights, and has for itsobject to provide a strong and efficient light in which there will be no exposed metallic part.
  • Figure 1 is a perspective view of my improved sidewalk-light, parts being broken away to show the construction more clearly.
  • Figs. 2 and 3 are sectional details.
  • a rigid metallic frame comprising the main bars a, of comparatively heavy material, and auxiliary bars 5, arranged at right angles to the main bars and resting thereon. At points of contact the bars a and b are rigidly secured together by any suitable fastening means I), forming a very secure and rigid frame having a number of spaces, within which are laced the lenses 0.
  • Extending between the enses and entirely surrounding the metallic supporting-frame is a mass of plastic material, such as cement.
  • the lenses 0 may be of any ordinary construction and provided with the usual ribs 0 for retaining them in place in the cement bed.
  • This cement bed is formed with ribs (1 at the points where it surrounds l the main supporting-bars a, so that the main supporting-bars extend through the ribs to support and strengthen them.
  • a sidewalk-light comprising a metallic supporting-frame consisting of a series of main supported bars having oblong cross-section placed with their longer diameters vertically to secure vertical rigidity, a series of auxiliary bars resting on the top of the main supporting-bars and extending across the main supporting-bars at substantially right angles thereto having oblong cross-section and placed with their longer diameters horizontally to secure lateral rigidity, said main and described.

Description

PATENT-ED APR..23, 1907.
UNITED STATES PATENT OFFICE.
CHRISTIAN H. ROSS, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO DAUCHY IRON WORKS, A CORPORATION OF ILLINOIS.
SlDEWALK-LIGHT.
Specification of Letters Patent.
Patented April 23, 1907.
Annlication filed March 29, 1906. Serial No. 308,747.
To all whom it may concern:
Be it known that I, CHRISTIAN H. Ross, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Sidewalk-Lights, of which the following is a specification. I
My invention relates to sidewalk-lights, and has for itsobject to provide a strong and efficient light in which there will be no exposed metallic part.
My invention consists in the details and combinations hereinafter described and claimed.
In the drawings, Figure 1 is a perspective view of my improved sidewalk-light, parts being broken away to show the construction more clearly. Figs. 2 and 3 are sectional details.
As is well known, sidewalk-lights are exposed to constant heavy traflic and to rain and snow during bad weather. Consequently it is essential that a construction of this kind have sufficient strength to withstand wear and tear and the possible impact of falling bodies. At the same time it is desirable that there be no exposed metallic parts which are liable to rust.
In carrying out my invention I provide a rigid metallic frame comprising the main bars a, of comparatively heavy material, and auxiliary bars 5, arranged at right angles to the main bars and resting thereon. At points of contact the bars a and b are rigidly secured together by any suitable fastening means I), forming a very secure and rigid frame having a number of spaces, within which are laced the lenses 0. Extending between the enses and entirely surrounding the metallic supporting-frame is a mass of plastic material, such as cement. The lenses 0 may be of any ordinary construction and provided with the usual ribs 0 for retaining them in place in the cement bed. This cement bed is formed with ribs (1 at the points where it surrounds l the main supporting-bars a, so that the main supporting-bars extend through the ribs to support and strengthen them. By thus constructing the sidewalk-light there are no metallic parts exposed to the weather or deleterious action of moisture. At the same time I provide a very strong supporting-frame which is capable of withstanding heavy shocks due to falling bodies.
I am aware that prior to my invention it has been proposed to embed twisted wires in the cement and also to provide a metallic supporting-frame which is exposed to the weather. The first of these constructions is objectionable, however, because of its lack of rigidity, and the second because of the exposure of the metallic parts to the action of moisture and wear and tear.
I claim A sidewalk-light comprising a metallic supporting-frame consisting of a series of main supported bars having oblong cross-section placed with their longer diameters vertically to secure vertical rigidity, a series of auxiliary bars resting on the top of the main supporting-bars and extending across the main supporting-bars at substantially right angles thereto having oblong cross-section and placed with their longer diameters horizontally to secure lateral rigidity, said main and described.
CHRISTIAN H. ROSS. Witnesses:
SAMUEL DAUOHY. WALTER RUNDIN.
auxiliary bars being rigidly secured together
US30874706A 1906-03-29 1906-03-29 Sidewalk-light. Expired - Lifetime US850970A (en)

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US30874706A US850970A (en) 1906-03-29 1906-03-29 Sidewalk-light.

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US30874706A US850970A (en) 1906-03-29 1906-03-29 Sidewalk-light.

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