Year: 1899

page_text: I, JOHN LEVICK, of Alma Street, Aston, near the City of Birmingham, Manu-
facturer, do hereby declare the nature of this invention to be as follows:-
"
-
This invention relates to the manufacture of that part of ball floats known as
the stud" which is the junction socket whereby the stem is connected to the
ball.
The invention consists of making this part out of wrought metal instead of by
casting as heretofore.
In carrying out one form of my invention, take a blank of wrought metal of
suitable thickness, and by dies and pressure, I cup up the same into a conical
figure. Then by a further process, the bottom of the cup is contracted into a
cylindrical neck, whilst the mouth is expanded or given a spherical figure of
the same curvature as the outside of the body of the float, to which the cupped
end of the stud is affixed by soldering. The bottom end of the neck is cut out
and the bore of it inside screwed before the stud is affixed.
Cross gaps may be cut in the opposite edges of the cupped ends to form clear-
ances into which the seamed joint of the ball passes when the stud is in position.
Instead of the seating end of the stud being conoidally cupped, it may be first
stepped, cupped or formed in two diameters, after which the seating end of the
enlarged part is shaped to the spherical figure of the ball.
Instead of the shaping of the stud being effected by press tools, it may be
fashioned by spinning or partly by press tools and partly by drawing-through.
Dated this 5th day of October 1899
JOHN LEVICK,
By Henry Skerrett,
Agent for Applicant.
I, JOHN LEVICK, of Alma Street, Aston, near 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 the manufacture of that part of ball floats`known as
the "stud" which is the junction socket whereby the stem is connected to the
ball.
1

page_text: Figure 1 of the accompanying drawing represents an elevation of a ball float
for flushing cisterns showing the stud in position and serving as the means of
connection between the ball and the stem.
Figure 2 represents a side elevation of a ball float stud produced by stamping
from a sheet metal blank in accordance with my invention. Figure 3 is another
elevation of the same.
Figure 4 is a vertical section of the said stud and Figure 5 an underside plan
thereof, whilst Figure 6 represents a top side plan of the said article.
The various stages in the manufacture of the said stud are represented in
Figures 7, 8, 9 and 10.
The stud comprises a seating a, which may, or may not be curved to the same
radius as the ball float b, which is attached thereto usually by soldering, and a
cylindrical neck a², which is wormed interiorly and receives the correspondingly
screwed end of the float stem c.
In carrying out the production of such a stud in accordance with this part of
my invention, I take a blank of wrought metal of suitable thickness such as
represented in Figure 7, and by dies and pressure, 1 cup up the same into a
conical figure as represented in Figure 8. Then by a further process, the bottom
of the cup is contracted (as shown in Figure 9) into a cylindrical neck a², whilst
the mouth is expanded or has given to it a spherical figure constituting the
seating & which is attached to the body of the float by soldering. The bottom
of the neck is cut out as represented in Figure 10 and the bore of it inside
screwed before the stud is affixed.
Cross gaps may be cut in the opposite edges of the cupped end to form
clearances within which the beaded joint of the ball lies when the stud is in
position.
Instead of the seating end of the stud being conoidally cupped, it may be
first stepped cupped or formed in two diameters, after which the seating end
of the enlarged part is shaped to the spherical figure of the ball.
Instead of the shaping of the stud being effected by press tools, it may be
fashioned by spinning, or partly by press tools and partly by drawing through,
whilst instead of fashioning these studs from sheet metal blanks, they may be
formed from thick tubular blanks, such as represented in Figure 11, one end of
which is expanded to form the seating, whilst the other end is internally wormed
to constitute the means of attachment, as shown in Figure 12.
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
The manufacture of studs for ball floats from a flat blank or from a tubular
blank of metal by stamping, or in the manner and by the processes herein de-
scribed and set forth in the accompanying drawing.
1
111
1
A
1000
JOHN LEVICK,
By Henry Skerrett,
24, Temple Row, Birmingham,
Agent for Applicant.