IMPROVED ME- CHANICAL ARRANGEMENTS APPLICABLE TO WEIGHING MACHINES, WHEREBY THE RECEIVING, WEIGHING, AND DELIVERY OF COAL, MINERAL, AND OTHER Sub- STANCES CAN BE READILY ACCOMPLISHED
Year: 1871

page_text: LETTERS PATENT to John Hopkinson, of Normanton, in the County
of York, Colliery Manager, for the Invention of "IMPROVED ME-
CHANICAL ARRANGEMENTS APPLICABLE TO WEIGHING MACHINES, WHEREBY THE
RECEIVING, WEIGHING, AND DELIVERY OF COAL, MINERAL, AND OTHER Sub-
STANCES CAN BE READILY ACCOMPLISHED."
Scaled the 10th November 1871, and dated the 13th May 1871.
PROVISIONAL SPECIFICATION left by the said John Hopkinson at
the Office of the Commissioners of Patents, with his Petition, on
the 13th May 1871.
I, JOHN HOPKINSON, of Normanton, in the County of York, Colliery
5 Manager, do hereby declare the nature of the said Invention for
"IMPROVED MECHANICAL ARRANGEMENTS APPLICABLE TO WEIGHING MACHINES,
I, JOHN HOPKINSON, of Normanton, in the County of York, Colliery
5 Manager, do hereby declare the nature of the said Invention for
"IMPROVED MECHANICAL ARRANGEMENTS APPLICABLE TO WEIGHING MACHINES,

page_text: WHEREBY
THE RECEIVING, WEIGHING, AND DELIVERY OF COAL, MINERAL, AND
OTHER SUBSTANCES CAN BE READILY ACCOMPLISHED," to be as follows:-
These mechanical arrangements are intended to be connected to or
stand upon the weighbridge of a weighing machine, or otherwise applied
in connection therewith.
The arrangements are as follows:-I divide a wheel into two or more
divisions, with ends of a given diameter fitted upon an axle and resting
by standards upon the weighbridge and rotating thereon. I prefer the
wheel to be made in four divisions, having arms or divisions radiating
from the axle at right angles for a portion of the distance towards the
circumference, and then recurved or bent back for the remainder of the
distance, so that when one division is filled the centre of gravity is on
the delivery side of the machine, which is then weighted, and on the
lifting of a catch revolves and delivers the coal upon a shoot or slide
into a ship or other receptacle, as may be required.
A further advantage is derived by having the arms arranged so that
the portion bent back forms a slide for the coal to pass over in going
into the wheel, and the same in delivering, and thereby saves much
breakage.
I can obtain a similar result by having the divisions straight and
covering a portion of the circumference so as to retain it in the wheel
until it reaches the proper angle for delivery, but I prefer the arrange-
ment first described. The wheel is fitted up with levers, catches,
and appliances, and also with an indicator for registering the quantity
of coal or material weighed.
I propose for convenience to make each division hold one ton, and
the beam of the machine being set to lift when a ton weight is delivered
into the first division, the catch is lifted, and the wheel revolving one-
fourth part delivers the coal or material, and brings up the second
division, which is filled in turn, and so on ad infinitum.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said John Hopkinson in the Great Seal Patent Office
on the 11th November 1871.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
HOPKINSON, of Normanton, in the County of York, Colliery Manager,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirteenth day of May, in the year of
our Lord One thousand eight hundred and seventy-one, in the thirty-
fourth year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said John Hopkinson, Her special licence that
I, the said John Hopkinson, my executors, administrators, and assigns,
or such others as I, the said John Hopkinson, my executors, adminis-
trators, and assigns, should at any time agree with, and no others,
from time to time and at all times thereafter during the term therein
expressed, should and lawfully might make, use, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVED MECHANICAL
ARRANGEMENTS APPLICABLE TO WEIGHING MACHINES, WHEREBY THE RECEIVING,
WEIGHING, AND DELIVERY OF COAL, MINERAL, AND OTHER SUBSTANCES CAN BE
READILY ACCOMPLISHED," upon the condition (amongst others) that I, the
said John Hopkinson, my executors or administrators, by an instrument
in writing under my, or their, or one of their hands and scals, should
particularly describe and ascertain the nature of the said Invention,
and in what manner the same was to be performed, and causé the
same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said John Hopkinson, do hereby declare
the nature of my said Invention, and in what manner the same is
to be performed, to be particularly described and ascertained in and
by the following statement:-
These mechanical arrangements are intended to be connected to or
stand upon the weighbridge of a weighing machine, or otherwise applied
in connexion therewith.
The arrangements are as follows:-I divide a wheel into two or more
divisions, with ends of a given diameter, fitted upon an axle, and resting

page_text: by standards upon the weighbridge, and rotating thereon. I prefer the
wheel to be made in four divisions, having arms or divisions radiating
from the axle at right angles for a portion of the distance towards the
circumference, and then recurved or bent back for the remainder of the
distance, so that when one division is filled the centre of gravity is on 8
the delivery side of the machine, which is then weighted, and on the
lifting of a catch revolves and delivers the coal upon a shoot or slide
into a ship or other receptacle, as may be required.
A further advantage is derived by having the arms so that the
portion bent back forms a slide for the coal to pass over in going -
into the wheel, and the same in delivery, and thereby saves much
breakage.
I can obtain a similar result by having the divisions straight and
covering a portion of the circumference so as to retain it in the wheel
until it reaches the proper angle for delivery, but I prefer the plan first 1
described. The wheel is fitted up with proper catches, levers, and
appliances, and also with an indicator for registering the quantity of
material weighed.
I propose for convenience to make cach division hold one ton, and
the beam of the machine being set to lift when a ton weight is delivered
into the first division the catch is lifted and the wheel revolving one-
fourth part delivers the coal or material and brings up the second
division, which is filled in turn, and so on ad infinitum.
The Drawing accompanying this Specification practically illustrates
how and in what manner the said Invention can be carried into actual
effect.
Fig. 1, sectional elevation; Fig. 2, front elevation.
a, shoot for shooting coals or other materials in the wheel; b, shoot
connected with ship or other vessel which is being loaded; c, arms of
the wheel rotating on axle d; e, weighbridge; f, standards supporting a
my wheel on weighbridge. This weighing apparatus is specially adapted
for use in the clevating delivery apparatus Patented by me May 4th
1871, No. 1204, though that is only one of the uses to which it is
applicable.
Having now particularly described and ascertained the nature and a
object of my said Invention, and in what manner the same may be

page_text: performed or put in practice, I hereby declare that I claim the In-
vention of "Improved Mechanical Arrangements applicable to Weighing
Machines, whereby the Receiving, Weighing, and Delivery of Coal,
Mineral, and other Substances can be readily accomplished," as herein-
before described.
'
In witness whereof, I, the said John Hopkinson, have hereunto
set my hand and seal, this Seventh day of November, in the
year of our Lord One thousand eight hundred and seventy-one.
Witness,
JOHN JONES,
3, Moorland Road,
Leeds.
JOHN HOPKINSON. (L.S.)