Improvements in Flushing Cisterns.
Year: 1898

page_text: Date of Application, 1st Mar., 1898-Accepted, 9th Apr., 1898
COMPLETE SPECIFICATION.
Improvements in Flushing Cisterns.
I, ALBERT GIBLIN, of 45, Barclay Road, Fulham, S.W., Gentleman, 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:-
My invention relates to improvements in flushing cisterns the object being to
provide a simple, valveless device which will prevent the waste of water, and at
the same time ensure the effective action of the cistern when operated at any time
between when, the said cistern is about half-full and full. My improved flushing
cistern is very certain in its action as it is not dependent in any way upon the
pressure of the water supply.
This improved flushing cistern is further of few and simple parts and there is
nothing liable to get out of order, while it can be discharged when the cistern is
only about half-full whereas with the majority of flushing cisterns of ordinary
construction this can only be effectively accomplished when the cistern is full or
nearly full.
In order that my invention may be fully understood I will now proceed to describe
same with reference to the accompanying drawings in which Fig. 1 is a plan of
a flushing cistern constructed according to my invention, Fig. 2 being a longi-
tudinal section through the outer case of the cistern and syphon.
Fig. 3 is a plan of the lifting or displacement plate and Fig. 4 is a side view
of same.
In carrying my invention into practical effect, I form in combination with the
syphon a a chamber 6 preferably of the shape shown in the drawings and open at
the bottom. Through the top of the said chamber 6 passes the spindle c of the
lifting or displacement plate d which is of the shape shown clearly in Figs. 3
and 4. This plate fits the vessel or chamber a sufficiently close for the purpose in
view, the rounded and side edges of the said plate bearing against the walls d
of the vessel or chamber b, while the front edge f bears against a projecting plate f¹
projecting from the dividing plate 2 of the syphon a.
It will thus be seen that while the lifting or displacing plate d works easily
within the vessel or chamber b, yet when it is raised to its maximum height as
shown in dotted lines in Fig. 2, a clear and open water way g is disclosed for the
free and easy passage of the water over the dividing plate or partition f2 and down
the syphon pipe h.
The top of the vessel or chamber b is preferably dished or of a hollow shape, so
as to contain a small quantity of water designed to feed the small space m around
the spindle c to prevent, to a great extent the air being sucked or drawn in through
same, and by this means I increase the efficiency of the action of the syphon.
As shown in the drawings the lifting or displacement plate d is similarly shaped
to the top of the chamber b, so as to allow of its fitting closely under same when
raised in the usual manner.
My improved flushing cistern is furnished with the usual operating rod or
lever q, ball-cock r, and overflow pipe s, but as all these parts are of ordinary and
well known construction, they need not here be further described.

page_text: Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what I
claim is-
1. In flushing cisterns the arrangement of a chamber such as 6 in combination
with the syphon a and lifting or displacement plate d, and projecting plate f¹ the
whole combined, and operating, substantially as described and shown, and for
the purposes specified.
2/. In a flushing cistern consisting of a chamber such as band syphon a, the
arrangement of a plate such as fi placed at right angles to the sides of the chamber b
at the point where the said chamber b joins the syphon a, for the purpose of forming
an approximately closed chamber, while the water is being lifted or displaced, and
forming a free and open water way g when the plate d has reached the height of its
travel, substantially as set forth.
3/. In a flushing cistern consisting of a chamber such as bin combination with
a syphon a, the formation or arrangement of a hollow or dished top, substantially
as, and for the purposes specified.
4/. The improvements in flushing cisterns comprising the combination and
arrangement of the various parts and operating substantially as set forth.
בד
ليهم
1
1000
F. G. CASSELL,
(Of Cassell & Co.),
22, Glasshouse Street, Regent Street, London, W., Agent for the Applicant.