Improvements in Flushing Cisterns for Waterclosets.
Year: 1891

page_text: Date of Application. 11th Dec., 1891
Complete Specification Left, 16th Feb., 1892-Accepted, 19th Mar., 1892
PROVISIONAL SPECIFICATION.
Improvements in Flushing Cisterns for Waterclosets.
I HENRY WOODCOCK, of Steelhouse Lane, in the City of Birmingham, Manu-
facturer do hereby declare the nature of this invention to be as follows:-
:―
This invention relates to an improved combination of parts constituting a flushing
cistern, whereby a more certain syphon action than in many of similar cisterns now
in use, is effected, and in a very simple manner.
It consists primarily of a cylindrical case (circular oval or otherwise) having no
external flange, and fitting and sliding loosely in a well, such well being below the
cistern, or within it, or partly internal and external, the said case covering the
ordinary central stand pipe.
Generally speaking its construction is as follows:-
-
The cistern proper, with its inlet, floating ball, lever and valve, are of ordinary
make and arrangement. In any suitable manner, the ordinary pull down chain,
and operating levers are adapted to the operated parts.
At the bottom of the cistern an extended well is formed, in the centre of which
is provided the ordinary stand or outlet pipe, the upper end of which is about level
with the top edge of the cistern.
If desired, in some cases, the well may be provided entirely within the body of
the cistern, or what is preferable as a rule to the latter, part of the said well may
be made in, the cistern, and part below, in either of which two latter cases,
openings or inlets would be made at the bottom of the cistern into the well, in
order that the whole of the water in the cistern shall be drawn off into the
said well.
Loosely fitting within this well, is a sliding case, the upper end of which is
connected to the one end of the operating lever. The outer surface of this casing
is without a flange, that is, it has an upright straight surface. When at its bottom
(lowered) position, inlet openings are provided from the well thereunder, so that
the water may flow from the well to the interior of the casing. By making this
casing thus to continuously fit (loosely) in the interior of the well, its certainty of
action is the more perfectly ensured, when in the ordinary manner it is first raised.
and then suddenly lowered.
In some cases one, two, or more grooves may be made down the sides of the
casing from top to bottom, for the purpose of affording a freer discharge or passage
of the water.
Dated this 10th day of December 1891.
CHARLES T. POWELL,
Applicant's Agent.
COMPLETE SPECIFICATION.
Improvements in Flushing Cisterns for Waterclosets.
1 HENRY WOODCOCK, of Steelhouse Lane, in the City of Birmingham, Manu-
facturer, 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 an improved combination of parts constituting a flushing
cistern, whereby a more certain syphon action than in many of similar cisterns now in
use is effected, and in a very simple manner.
It consists primarily of a cylindrical case (circular oval or otherwise) having no
D7

page_text: external flange, and fitting and sliding loosely in a well, such well being below the
cistern or within it, or partly internal and external, the said case covering the
ordinary central stand pipe.
Generally speaking its construction is as follows:-
The cistern proper, with its inlet, floating ball, lever and valve, are of ordinary
make and arrangement. In any suitable manner, the ordinary pull down chain,
and operating levers are adapted to the operated parts.
At the bottom of the cistern an extended well is formed, in the centre of which
is provided the ordinary stand or outlet pipe, the upper end of which is about level
with the top edge of the cistern.
If desired, in some cases, the well may be provided entirely within the body of
the cistern, or part of the said well may be made in the cistern, and part, below, in
either of which two latter cases, openings or inlets would be made at the bottom of
the cistern into the well, in order that the whole of the water in the cistern shall be
drawn off into the said well.
Loosely fitting within this well, is a sliding case, the upper end of which is
connected to the one end of the operating lever. The outer surface of this casing
is without a flange, that is, it has an upright straight surface. Down the sides of
this casing one, two or more grooves are made from top to bottom to facilitate the
passage of water to the interior. When at its bottom (lowered) position, inlet
openings are provided from the well thereunder, so that the water may flow from
the well to the interior of the casing. By making this casing thus to continuously
fit (loosely) in the interior of the well, its certainty of action is the more perfectly
ensured, when in the ordinary mauner it is first raised and then suddenly lowered.
I will now proceed to more particularly explain this my invention, with the
assistance of the accompanying illustrative sheet of drawings upon which are figures
and letters of reference, and in which :-
Fig. 1, is a part sectional elevation of a cistern embracing this my invention.
Fig. 2, is a plan of the cistern with the cover removed.
Fig. 3, is a cross sectional view of the cistern on line 1-1, (Fig. 1).
Fig. 4, is a sectional plan of the well, casing, and stand pipe on line 2--2,
(Fig. 1).
Fig. 5, is a detached end elevation of the casing.
Fig. 6, is a detached inverted view of the casing.
Similar letters refer throughout the several views to the same thing or part :
A, is the cistern, B, is the cover, C, is the inlet valve governed by the floating
ball D. E, is the well to the bottom of which is secured the stand pipe F, and in
which slides the casing G. Upon this casing G, are two pivots H, H, by which it
is raised by means of the lever I, working in bearings J, J, and operated by the
chain K.
It is in connection with the casing G, and the well E, that this my invention has
reference.
The sides L, of the well are straight upon their exterior, and stand parallel
with the sides of the well. The size also of the said casing is but slightly
smaller than the interior of the well, so that in its descent the water is more
perfectly confined or choked preventing displacement, and ensuring the interior
overflow over the top of the stand pipe, and thus starting the syphon action.
For the purpose however, of facilitating the emptying of the cistern when the
syphon action has commenced, I provide the grooves M, M, M, M, in the sides
of the casing, or, the casing may be plain and the grooves formed in the sides
of the well.
The mode of operating this my improved cistern is that of similar cisterns
now in use, that is, by pulling down the chain K, the casing G, is raised, when
upon letting go the chain, the said casing suddenly falls, and in so doing the
water in the well and within the casing, is suddenly forced over the stand pipe,
and by the exclusion of air, the syphon action is set up, which continues until
all the water is drawn off, and air again admitted.

page_text: Having now particularly described and ascertained the nature of this my said
invention, and in what manner the same is to be performed, I declare that what
I claim is :-
The combination in a flushing cistern, with the cistern A, valve C, lever I,
well E, and stand pipe F; of the casing G, having straight sides L, and
grooves M, in the manner shown and described.
Dated this 15th day of February 1892.
CHARLES T. POWELL,
12, Cherry Street, Birmingham, Applicant's Agent.