Improvements in Ball Taps.
Year: 1893

page_text: Date of Application, 28th Jan., 1893
Complete Specification Left, 20th Oct., 1893-Accepted, 2nd Dec., 1893
PROVISIONAL SPECIFICATION.
Improvements in Ball Taps.
I, ISAAC BARNSLEY of Charles Street, Sheffield, in the County of York,
Manufacturer, do hereby declare the nature of my invention to be as follows :—
My invention relates to the construction of an equilibrium full way ball valve,
the object being to construct a valvo that will be easily closed and opened undor
pressure by the ball or float lever which may be made shorter than usual.
I propose to make the tap as follows, it being understood that the flow of water
is downwards and the float arm underneath the valve.
The water-way which is preferably horizontal opens into a vertical cylinder
closed at the top by a cap, and increased in diameter below the water way. At
the junction of the two I form the valve seat which slightly projects into the larger
and lower part which contains the piston, and in the lower part of which at one
side which may be termed the back I form an outwardly projecting chamber to
receive the oxtreme end of the float lever.
The piston works in the lower chamber and closes upwardly against the seat, and
a central rod passes upwards through the seat above the water-way or inlet and is
provided with a cup leather at the top fitting the first mentioned vertical cylinder,
so that the water presses equally upwards and downwards upon the cup and rubber
washer when valve is closed.
The lower part of the piston is constructed to bear against the side of large
cylinder and act as a guide, it is also slotted to receive the ond of float lever and
connecting cross pin by which it is oporated.
I make a small water-escape groove and air inlet through the screw thread on
which the before mentioned cap screws to avoid forming a vacuum above the cup
leather or piston spindle, and to form an escape for any water that may be forced
past the cup leather.
•
Dated the 27th day of January 1893.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in Ball Taps.
I, Isaac BarnsLEY of Charles Street, Sheffield, in the County of York,
Manufacturer, 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 the construction of an equilibrium full way ball valve,
the object being to construct a valve that will he easily closed and opened under
pressure by the ball or float lever which may be made shorter than usual.
The annexed sheet of drawings illustrates the invention.

page_text: opposite the inlet-which also enables the cup-leather to be more readily withdrawn
past the inlet when its removal is required for repairs or the like.
The cylinder is closed at the top by a cap C, and is increased in diameter below
the water way.
At the junction of the two diameters 'I form the valve seat D, which I prefer to
slightly project into the larger and lower part which contains the piston E, and in
the lower part of which at one side (which may be termed the back) I form an
outwardly projecting chamber F, to receive the extreme. end of the float lever G,
and fulcrum pin G.
.
The piston works in the lower chamber H, and closes upwardly against the
Beat D, and a central rod I, passes upwards through the seat above the water-way
or inlet and is provided with a cup leather J, at the top fitting the first mentioned
vertical cylinder K, so that the water presses equally upwards and downwards
upon the cup-leather J, and rubber washor L, when valve is closed.
The lower part of the piston is constructed to bear loosely against the side of
large cylinder H, and to act as a guide, it is also slotted at M, to receive the end of
float lever G, and connecting cross pin N, by which it is operated.
I make a small water-escape groove P, and air inlet through the screw thread on
which the before mentioned cap screws to avoid forming a vacuum above the
cup-leather J, or piston spindle, and to form an escape for any water that may be
forced past the cup leather.
I may when preferred arrange the guide piston above the cup-leather.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, 1 declare that what I
claim is :-
"
1. The construction and arrangement of an equilibrium ball tap, as hereinbefore
described and as shown in the annexed drawings.
2. In an equilibrium ball tap, having a piston and cup-leather forming an annular
recess Q, round the cylinder K, as a continuation of the water-way A, substantially
as shown in Fig. 2, of the annexed drawings.
Dated the 19th day of October 1893.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.