Lamp and Reflector for Same. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
PATIICK IH. COTTON, OF DALLAS, TEXAS.
LAMP AND REFLECTOR FOR SAME.
SPECIFICATION forming part of Letters Patent No. 256,980, dated April 25, 1882,
Applation ailed Fllnnary 3, 1-8. (No model.)To all whom it may concern:
Be it known that I, PATRICK H. COTTON, a
citizen of the United States of America, resid-
ing at Dallas, in the county of Dallas and State
5 of Texas, have invented certain new and use-
ful Improvements in Lamps and Reflectorsfor
Same; and I do hereby declare the following
to be a full, clear, and exact description of the
invention, such as will enable others skilled in
so the art to which it appertains to make and use
the same, reference being had to the accompa-
nying drawings, and to letters or figures of
reference marked thereon, which form apart of
this specification.
15 Figure 1 is a perspective of my invention,
part of the body of the lamp being broken
away; and Fig. 2 is acentral transverse section.
Like letters of reference refer to like parts
in all the figures.
20 My invention has for its object the produc-
tion of a lamp and reflector adapted the one
to the other, and in such points of construction
as shall contribute to the effectiveness of both,
in that no part of the former obstructs the
25 rays of light reflected by the other, and both
shall be of simple and cheap construction;
and my invention consists in certain devices
and combinations of devices, hereinafter fully
described and specifically claimed.
30 A represents the body of the lamp; and it
consists of the top and bottom plates, t a', of
the form of an equilateral triangle having the
corners rounded, and the band ca, of uniform
width, beaded at each edge, at a', and joined at
35 its ends in a seam, a', at the center of one of
the sides of the triangle, which preferably con-
stitntes the back of the lamp-body. The seam
being made, the edges of the triangular plates
are sprung into the beading and soldered there-
4o in, as shown at a'. This manner of construct-
ing the joints of the body facilitates the solder-
ing of the parts together in a satisfactory man-
ner and results in a construction that protects
said joints, as the edges of tie band and not
45 the joint bear the weight, abrasion, and wear
occasioned when the lamp is set upon a table
or other support and the exposed sides are
seamless,.
The body is provided at one corner of the
50 top plate with a screw-capped filling-hole, B,and at another corner with a screw-threaded
collar, C, adapted to receive an ordinary burn-
er, C'.,
To adapt the lamp for suspension against a
perpendicular surface, there is applied a strap, 55
D, secured by solder at the back and over the
seam a in the band a2, and extended upwardly
a desired distance, and then slanted downward-
ly and secured to the top plate a short dis-
tance back of the burner-collar C. The up- 6o
right portion of strap D is perforated for the
reception of the nail or screw from which the
lamp is to be suspended; and upon the slant-
ing portion of the strap, at E, is secured by
solder a short piece of sheet metal, the edges 65
of which are turned to form flanges e, project-
ing inwardly and parallel with the body of the
same, which piece of metal I shall term a
"grooved clip," and which is adapted to re-
ceive the tongue F, soldered to the reflector G. 70
The object and advantage of constructing
the clip E in this manner are to adapt it to be
soldered to the strap without liability of the
solder running into the clip, so as to impede
the passage of the tongue therein, as is cotn- 75
monly the occurrence when simply a loop of
metal is soldered to the strap.
The reflector G is the frustum of a cone, the
top of which is covered by a concavo-convex
disk, g, having a ring or other suitable handle, 8o
It, soldered or otherwise attached thereto upon
the outside. The bottom of the frustum is in
a plane other than parallel to its top, and its
profile may be in straight, curved, or combined
straight and curved lines, provided always 85
that the lower side of the reflector shall termi-
nate beneath the burner and in close proximity
to the burner-collar C, as shown. The upper
side of the reflector is perforated for the easy
passage therethrough of the chimney D'. By 90o
constructing the reflector of the shape shown,
supporting it upon a slanting strap, locating
its lower side below the burner and closely
thereto, and constructing the lamp-body in the
form shown and locating the burner at one 95
corner thereof the maximum quantity of light
is derived and reflected over the largestpossi-
ble area and the minimum of shadow produced
by the lamp itself is projected, while at the
same time the reflector can be removed with- ioo
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Cotton, Patrick H. Lamp and Reflector for Same., patent, April 25, 1882; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth170335/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.