Improvements in Conduits for Electric Tramways.
Year: 1890

page_text: 13th Nov., 1890-Accented
057
ETE SPECIFICATION.
Improvements in Conduits for Electric Tramways.
HENRY JOHN DAVIES, Civil Engineer, 4, Russell Street, Wednesbury, LEW
BENJAMIN SALTWELL DUTSON, Civil Engineer, 14, Vicarage Place, Walsal
do hereby declare the nature of this invention and in what manner the same is t
be performed, to be particularly described and ascertained in and by the following
5 statement :-
Our invention consists of the improvements hereinafter described in constructing
and arranging an electric tramway and also in forming the subway conduit or tube
so as to insulate the wires or tapes confeying electricity.
The said subway conduit or tube will consist of a channel formed of terra cotta,
0 earthenware delph, or other approved non-conducting material protected on the
upper surface by means of steel rails which are held in position by cast iron yokes
at such intervals as may be necessary, and the yokes are secured to the ordinary
tram rails by means of tie bars so as to keep the gauge of tramway uniform.
At necessary intervals we have specially constructed boxes or chambers lined
with the aforesaid terra cotta, earthenware, delph, or other approved non-conducting
material, such boxes being connected with the street drain or sewer so as to carry
off' surface water or sludge.
There will also be fixed in the said chambers, blocks or supports for the
conductor, wire, or tape, which may be inspected by means of a self adjusting cover
or lid.
In order that our invention and the means by which the same is to be carried
into effect may be thoroughly understood, we now proceed to describe it in detail,
referring in so doing to the figures on the accompanying three sheets of drawings
which are to be taken as part of this Specification and read therewith.
Figure No. 1. is a plan of a portion of the roadway, half of which shews the
onstruction without the paving, and the other half the roadway completed.
1. A' denotes the ordinary tram-rails, B. B' the slot beams protecting the tube,
the cast iron yoke holding the beams B. B' in position, D. D' the tie bars,
a', a, a³, the bolts securing the slot beams to the yoke, and b, b pins securing
e tie bars D. D¹ to the yoke.
Figure No. 2. is a transverse section of a portion of the roadway, A. A' denotes
e ordinary tram rails B. B' the slot beams protecting the tube, C. the cast iron
ke, D. D the tie bars, a, a, a, a³, the bolts securing the slot beams to the yoke,
,, pins securing the tic bars to the yoke. E. is the conduit formed of one or
of the materials before mentioned, having cavities c, c), for the wires,
ductors or tapes F. F' which are protected from dirt or moisture by means of
lips d, d, the said dirt or moisture being diverted into the channel
nce conveyed by gravitation or mechanical means through the chamber (+, to
drain L. Figure No. 4.
" and
igure No. 3. is a plan of the roadway shewing the lid H. covering the aforesaid
or chamber. J. J are tie bars holding the frame K. of the lid H. in position,
eans of the bolts f; f'.
gure No. 4 is a transverse section through the box or chamber G. shewing the
1, the lid H, the frame K, the wires, conductors, or tapes F. F the
orts g,, and the earthenware blocks h, h'."
gure No. 5. is a plan of a portion of the tube and chamber taken underneath
ails, shewing the tube E, the cavities c. c' for the wires, conductors, or
F. F', the dirt channel e, the chamber G, the drain L, the su
e earthenware blocks h, h¹.
Price fid

page_text: Figure No. 6. is a longitudinal section through a portion of the tube and
chamber shewing the top of the slot beam B', the tube or conduit E, the cavity c',
the wire, conductor or tape F, the lip d', the dirt channel e, the lid H, of the
chamber G, the drain L, the support g₁ and the earthenware block h³.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is :-
1. A tube or conduit constructed of non conducting material formed so as to
protect electric conductors, wires, or tapes from dirt or moisture, substantially of
the form shewn.
2. A dirt channel for the conveyance of wet or road detritus, substantially
as shewn.
3. The earthenware blocks acting as non-conductors for the supports for the
electric conductors, tapes, or wires substantially as shewn.
4. The yokes for securing the slot beams, substantially of the form shewn.
HENRY J. DAVIES.
LEWIS B. S. DUTSON
Dated this Thirtieth day of October fo
HENRY J. DAVIES.
LEWIS B. S. DUTSON