US150770A - Improvement in suspemsion-laivips - Google Patents

Improvement in suspemsion-laivips Download PDF

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Publication number
US150770A
US150770A US150770DA US150770A US 150770 A US150770 A US 150770A US 150770D A US150770D A US 150770DA US 150770 A US150770 A US 150770A
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plate
lamp
shade
improvement
suspemsion
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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

  • Fig. 2 is a lamp where they suspension-plate is differ.
  • the plate and the shade are made to balance the lamp. In the latter case a weight is employed, and the lamp and the shade retain the same in relative position.
  • A is the lamp; B,'the shade; O, the sus pension-plate.
  • This plate may be made in any form to serve as a reflector to-throw the rays of light downward. The plate is fastened to the shade by means of screws D,
  • H are the suspension-chains, one end of each of which is attached to the plate (J. The other ends are carried up and passed over pulleys I in the suspensionbracket J, and then down through holes in the plate, and are attached to the rods K K,
  • L is the chimney, which is attached to the cone of the burner by any of the different modes, so that it can be readily removed for filling lighting, or extinguishing the lamp. Then this is done the lamp is drawn down so that the shade will not interfere with the chimney when the latter is turned down.
  • N N are rings in the chains, which, when the lamp is raised, stop it in the right posit-ion, as they will not pass through the holes in the plate G with the chain.
  • v In Fig. 2, 0 represents the weight which balances the lamp andthe shade.
  • the two latter retain their relative position, and are raised and lowered together, the chimney being provided with guides P, which pass through the plate 0, and is lifted up, as represented, for filling, lighting, and extinguishing the lamp.
  • the lamp is also connected with the plate 0 by means of rods, as seenin the drawing. Ornamental pieces, of any design, may be attached to the plate 0, so as to hang over the top or below the shade.
  • the plate 0 may be made double or single, as may be desired.
  • This plate 0 is essentially a combin ation-plate, as it serves as a reflector, as well as for attaching the suspensionchains, and serving as a guide and as a base for ornamentation.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Revetment (AREA)

Description

R. MARSH.
Suspension Lamps.
Patented May12.1874.
INVENTIIB WITNESSES ATTORNEYS.
UNITED s'ra'rns RIVERIUS MARSH, OF NEW YORK, N. Y.
IMPROVEMENT IN SUSPENSION-LAMPS.
Specification formingpart of Letters Patent No. 150,770, dated May 12, 1874 application filed January 5, 187.4.
a vertical section representing a lamp suspended according to my invention. Fig. 2 is a lamp where they suspension-plate is differ.
ently applied.
In the former case the plate and the shade are made to balance the lamp. In the latter case a weight is employed, and the lamp and the shade retain the same in relative position. A is the lamp; B,'the shade; O, the sus pension-plate. This plate may be made in any form to serve as a reflector to-throw the rays of light downward. The plate is fastened to the shade by means of screws D,
which pass through the vertical flange E, and enter one of the corrugations Fin the shade, as seen in the drawing. H are the suspension-chains, one end of each of which is attached to the plate (J. The other ends are carried up and passed over pulleys I in the suspensionbracket J, and then down through holes in the plate, and are attached to the rods K K,
which arefa-st to the lamp. By this arrangement the plate 0 and the shade B are made to balance the lamp. L is the chimney, which is attached to the cone of the burner by any of the different modes, so that it can be readily removed for filling lighting, or extinguishing the lamp. Then this is done the lamp is drawn down so that the shade will not interfere with the chimney when the latter is turned down. N N are rings in the chains, which, when the lamp is raised, stop it in the right posit-ion, as they will not pass through the holes in the plate G with the chain. v In Fig. 2, 0 represents the weight which balances the lamp andthe shade. The two latter retain their relative position, and are raised and lowered together, the chimney being provided with guides P, which pass through the plate 0, and is lifted up, as represented, for filling, lighting, and extinguishing the lamp. The lamp is also connected with the plate 0 by means of rods, as seenin the drawing. Ornamental pieces, of any design, may be attached to the plate 0, so as to hang over the top or below the shade. The plate 0 may be made double or single, as may be desired. This plate 0 is essentially a combin ation-plate, as it serves as a reflector, as well as for attaching the suspensionchains, and serving as a guide and as a base for ornamentation.
Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. The plate 0, suspended from lamp-chains and attached to and within a shade, B, substantially as described, to serve both as a reflector and connection between the lamp and shade, allowing either to be raised or lowered.
2. The comblnation of the screws D, plate flange E, and corrugated shade-neck, as and for the purpose specified.
RIVERIUS MARSH.
lvitnesses H. N. TAF'I, ALEX. F. ROBERTS.
US150770D Improvement in suspemsion-laivips Expired - Lifetime US150770A (en)

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