Improvements in and connected with Drain Traps, Soil Pipes, and the like.
Year: 1893

page_text: Date of Application, 22nd Mar., 1893
¡Complete Specification Left, 22nd Dec., 1893-Accepted, 3rd Feb., 194
PROVISIONAL SPECIFICATION.
Improvements in and connected with Drain Traps, Soil Pipes, and
the like.
I, PETER STEWART, of 64 Douglas Street, Partick, Glasgow, Builder, do
hereby declare the nature of this invention to be as follows:-
This invention relates to drain traps, soil pipes and the like.
It is usual to make traps for drains with an inclined branch, which can be used
for inspection, ventilation and other purposes. With this arrangement, any stones
or other dirt passing through the grating cover at the top of the branch falls into
the trap and blocks it up. A good deal of bother is experienced in cleaning traps
of this description.
Under my invention, instead of making the trap with an inclined branch, I make
it with a branch which extends at right angles and in a line parallel with the
surface of the ground. At the end of the branch pipe I construct or fit a well, and
over this well, I place a perforated grating or cover. With this arrangement, any
stones or other materials which may pass through the grating, fall into and
accumulate at the bottom of the well. The accumulated matter can easily be
taken out on lifting the cover. With this arrangement, stones etc. passing into the
branch pipe, do not gain access to the trap.
The cover or grating I prefer to use for drains, soil pipes traps etc., is made of a
metal casting with an outwardly projecting beading at its upper edge, so as to
enable the cover to be easily set into place. The body of the cover is made in its
interior, at the back, with a ledge, and, at the front, with a projection, the sides
being made with tapering ledges. The back of the lid is made with a grooved
ledge, which is capable of fitting hinge-wise on the ledge at the back of the body of
the cover.
The lid, at its front end, is provided with a key and catch, which, when
turned, grip the projection on the body and lock the lid in position.
My improvements can be adapted to any class of drain traps, soil pipes, sewers
and such like.
Dated this 21st day of March 1893.
H. D. FITZPATRICK,
70, Wellington Street, Glasgow, Agent.
COMPLETE SPECIFICATION.
Improvements in and connected with Drain Traps, Soil Pipes, and
the like.
1, PETER STEWART, of 64 Douglas Street, Partick, Glasgow, Builder, do
hereby declare the nature of this invention and in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement:-
This invention relates to drain traps soil pipes, and the like.
It is usual to make traps for drains with an inclined branch which can be used
for inspection, ventilation and other purposes. With this arrangement any stones
or dirt passing through the grating cover at the top of the branch falls into the

page_text: trap and blocks it up. A good deal of trouble is experienced in cleaning traps of
this description.
Under my invention instead of making the trap with an inclined branch, I make
it with a branch which extends at right angles and in a line parallel with the
surface of the ground. At the end of the branch pipe I construct or fit a well, and
over this well, I place a perforated grating or cover. With this arrangement, any
stones or other materials which may pass through the grating fall into and
accumulate at the bottom of the well. The accumulated matter can easily be
taken out on lifting the cover. With this arrangement, stones etc., passing into the
branch pipe, do not gain access to the trap.
The cover or grating I prefer to use for drains, soil pipes, traps, etc., is made of a
metal casting with an outwardly projecting beading at its outer edge, so as to
enable the cover to be easily set into place. The body of the cover is made in its
interior and at the back with a ledge, and, at the front with a projection, the sides
being made with tapering ledges. The back of the lid is made with a grooved
ledge, which is capable of fitting hinge-wise on the ledge at the back of the body of
the cover. The lid, at its front end, is provided with a key and catch which when
turned grip the projection on the body and lock the lid in position.
My improvements can be adapted to any class of drain traps, soil pipes sewers,
and such like.
And in order that my said invention may be properly understood I have here-
unto appended an explanatory sheet of drawings, whereon,
Fig. 1 is a vertical section of my improved trap.
Fig. 2 is a plan of a cover or grating.
Fig. 3 is a reverse plan of the cover Fig. 2.
Fig. 4 is a side elevation.
Fig. 5 is a cross section on the line X-X Fig. 2.
Fig. 6 is a cross section at right angles to the section Fig. 5.
Referring to the drawings whereon the same reference letters wherever repeated
indicate the same parts."
In Fig. 1 the drain trap a is made with a horizontal branch b into which is fitted a
short pipe c leading to a vertical well d which is or may be fitted in a line parallel
with the vertical shaft of the trap a. The well may be closed at bottom by a stone
or plate e and at top by a perforated grating or coverf as usual. The faucet f is
preferably at or near the mid-length of the well d.
Any stones or other materials falling through the ventilating cover f accumulate
at the bottom of the well and can be easily removed. There is also no danger of
stones falling into and blocking up the trap.
The grating y is formed of a metal casting having an outwardly projecting
beading h¹ round it. A narrow supporting ledge is made partially round the
inner circumference of the grating and also a projecting ledge at the back and a
projection or ledge at the front. The lid has a grooved ledge at its back
part and a catch at the front. 3 is a triangular lock for turning the catch.
k (Fig. 7) is the key or handle for turning the lock.
The body of the grating has two lugs or projections' 1, 1 cast on it for the
purpose of securing it in place. By making the grating with lugs instead of the
usual downwardly projecting rim, much metal is saved. If desired the grating
may be made with a rim as indicated in dotted lines at Fig. 4.
The grooved ledge of the lid fits hinge-wise on the ledge at the back of the
body h.
The lid is locked by the catch. The cover lid may be perforated or
not as desired.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
consider novel and desire to claim is :-
1st. A trap having a horizontal ventilating branch (b, c) and a well (d)
substantially as and for the advantages hereinhefore sot forth

page_text: 2nd. A cover or gating made substantially as hereinbefore described and
shown at Figs. 2 to 6 of the drawings annexed.
Dated this 21st day of December 1893.
H. D. FITZPATRICK,
70, Wellington Street, Glasgow, Agent.