Improvements in' or appertaining to Stop Valves.
Year: 1894

page_text: Date of Application, 8th Feb., 1894
Complete Specification Left, 8th Nov., 1894-Accepted, 8th Dec., 1894
PROVISIONAL SPECIFICATION.
Improvements in' or appertaining to Stop Valves.
1, THOMAS ILLINGWORTH, of 18, Mill Street, Bradford, in the County of York,
Merchant, do hereby declare the nature of this invention to be as follows:-
This invention relates to improvements in or appertaining to that type of stop
valve in which a spindle is rotated to open or close the valve and the object of the
invention is to provide an indicator adapted to clearly show whether the valve is
closed or to what extent it is open.
For this purpose I mount a pinion upon the valve spindle so arranged that the
pinion is rotated by the spindle but provision may be made to allow the said spindle
to move longitudinally without the pinion. This pinion forms the sun wheel of a
sun and planet motion and the planet wheel is mounted upon an arm or plate
loosely mounted upon the said spindle. The planet wheel also engages the teeth
of an annular or internally toothed wheel or rack concentric with the spindle and
fixed in any convenient manner. The said annular wheel carries an index or dial
and the said arm or plate carries a finger or pointer.
The parts are so arranged that when the valve is closed the said finger points
towards the word "Closed" or its equivalent on the dial and on opening the valve
said finger is moved around the dial until when the valve is fully open the said
finger lies opposite the word "Open" or its equivalent on the dial. The dial may :
be graduated or otherwise marked between the words "Closed" and " Open."
The said planet wheel herein mentioned may be a "double stud wheel," that is
to say, two concentric wheels of different diameter connected together, one
engaging the sun wheel and the other the teeth of the annular wheel.
As a modification the said planet wheel may be mounted on a fixed stud and the
said aunular wheel be rotated. In this case the annular wheel may be replaced by
an internally toothed quadrant or its equivalent formed on or fixed to an arm,
mounted upon the spindle or upon a stud, and carrying a finger or pointer.
As a further modification the dial and pointer may be placed at one side of the
spindle and be operated by any suitable form of gearing.
Dated this 7th day of February 1894.
DRACUP & NOWELL,
Bradford, Agents.
COMPLETE SPECIFICATION.
Improvements in or appertaining to Stop Valves.
I, THOMAS ILLINGWORTH, of 18, Mill Street, Bradford, in the County of York,
Merchant, 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 improvements in or appertaining to that type of stop
valve in which a spindle is rotated to open or close the valve, and the object of the
invention is to provide an indicator adapted to clearly show whether the valve is
closed or to what extent it is opeu.
To fully describe my invention reference is made to the accompanying sheet of
drawings in which similar letters of reference indicate similar parts in each of the
figures

page_text: Figure 1, represents an elevation of a stop valve fitted with my improvements.
Figure 2, represents a side view of the same with the improvements shown in
:section.
"
Figure 3, represents an elevation of a modified arrangement, and Figure 4, is a
side view of the same.
The spindle A of the valve A is made longer than usual and the pinion B is
loosely mounted thereon but is made to revolve with the spindle by means of the
key A fitting the key-way A³ formed in the spindle A. The pinion B
engages a
double stud wheel B2, B3 mounted upon the stud or pin C fixed to the casing C
which casing is fixed to the valve by the arms C³, C³ connected to the clip C
-clamped around the neck of the valve. In Figures 1 and 2 the finger or pointer E
is loosely mounted upon the spindle in front of the pinion B and this finger has a
semicircular or curved rack B formed on it behind engaging the portion B of the
double stud wheel. A dial or index F is formed around the casing C². The parts
are so relatively arranged that turning the valve spindle to open or close the valve
will move the pointer over the dial and this pointer is set in such a manner that
when the valve is closed it lies over that part of the dial marked Closed, and as the
valve is opened the pointer is moved towards the portion of the dial marked Open
which it only reaches when the valve is fully open as shown by the broken lines
Figure 1.
It is obvious that the dial F and rack B may be made shorter or on the other
hand that they may be made completely circular and the dial carried more or less
all round. It is also evident that the particular sun and planet motion above
described may be replaced by other forms of epicyclic or other similar gearing.
In Figures 3 and the portion B of the double stud wheel engages a wheel B'
carrying the finger or pointer E and the dial F is arranged concentric with the
wheel B. The wheel B is mounted in bearings formed in the casing C².
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 combination with a stop valve, of a dial or index and finger or pointer,
one or the other of which is arranged to be moved a portion of a revolution when
the valve spindle is turned to more or less open.or close the valve, substantially
as herein shown and described and for the purpose specified.
2. The combination with a stop valve, of a dial or index fixed concentric with
the valve spindle and a finger or pointer adapted to be operated by the rotation of
the spindle through the medium of a sun and planet motion, substantially as herein
shown and described.
3. The combination with a stop valve, of a curved dial or index having a finger
or pointer mounted concentric to it and operated by toothed wheels from a pinion
on the valve spindle, substantially as herein shown and described and illustrated in
the accompanying drawings.
Dated this 6th day of November 1894.
DRACUP & NOWELL,
Bradford, Agents.