IMPROVEMENTS IN OBTAINING AND APPLYING MOTIVE POWER
Year: 1873

page_text: LETTERS PATENT to Daniel Jones, of Petistree, near Wickham Market,
Suffolk, for the Invention of "IMPROVEMENTS IN OBTAINING AND APPLYING
MOTIVE POWER."
Sealed the 27th January 1874, and dated the 6th December 1873.
PROVISIONAL SPECIFICATION left by the said Daniel Jones at the
Office of the Commissioners of Patents, with his Petition, on the
6th December 1873.
I, DANIEL JONES, of Petistree, near Wickham Market, Suffolk, do
hereby declare the nature of the said Invention for "IMPROVEMENTS IN
OBTAINING AND APPLYING MOTIVE POWER," to be as follows, that is to
say :-
My Invention of improvements in obtaining and applying motive
power consists of improvements on and additions to my former Invention
of improvements in obtaining and applying motive power, for which

page_text: Letters Patent No. 1872 were granted to me on the Twenty-third day of
May, One thousand eight hundred and seventy-three, pursuant to which
and in compliance therewith a Specification under my hand and seal
was duly filed in the Office of the Commissioners of Patents on or about
the Twenty-second day of November, One thousand eight hundred and 5
seventy-three. In that Specification I described and claimed certain
arrangements of machinery for obtaining and applying motive power,
which consisted mainly in the use of two hydraulic cylinders connected
together by means of a bent pipe, and affixed to a framework. Working
in one cylinder was a plunger, and in the other cylinder a ram connected 1
by means of rods and levers; the plunger was hollow for a part of its
length, so as to act also as a small cylinder. Into this plunger worked
the small end of a hollow ram, the opposite end of which ram abutted
against a part of the framework.
New my present Invention consists, firstly, of inserting in the small 1
cylinder a spiral spring to resist the sudden action of the water or other
fluid, and to communicate the power gently to the plunger. This spring
has at the outer end a pad with a hydraulic leather ring, so as to make a
water-tight spring. I also insert a spring between the raised part of the
frame and the end of the small ram, so as to lessen the shock against 2
the frame. This part of the frame is jointed, so as to readily fall back
when it is required to take out the ram and plunger for cleaning or
repairing.
My Invention consists, secondly, of using in place of the small ram a
hollow cylinder attached to the framework, between the lower cylinder 2
and the raised end of the frame. This cylinder is bored through from
end to end, and is fitted with two rams, one ram pressing against a
spring on the end of the frame, and the other ram pressing against a
spring attached to the head of the plunger. These rams are made to fit
tightly in the cylinder by means of hydraulic rings. Water or other 8
fluid is forced into the cylinder by means of the force pump or otherwise,
by which means the rams are forced outwards, one against the end of
the frame, the other ram against the plunger, which is forced into the
lower cylinder, thereby compressing the fluid in the compression
chamber, as described in my former Specification No. 1872, filed as 8
above mentioned.
And my Invention consists, thirdly, of an arrangement for actuating

page_text: I dispense with the arrangement as last described, shortening the frame
at that end of the apparatus, and extending the framework at the other
end. On this extended framework I affix a hollow cylinder closed at one
end and open at the other end to admit an air-tight piston. From this
piston a chain is passed round a chain pulley carried by a cross bar
between two vertical levers, the other end of the chain being attached
to an axle and wheel running in bearings at that end of the framework
near the air cylinder. An air pump is attached to the cylinder for
exhausting the air when required, the air pump and wheel and axle
being under the control of the man in charge.
When great power is required I exhaust the air from the air cylinder,
when the pressure of the atmosphere on the outside of the piston forces
the piston into the cylinder, and carrys with it the chain pulley and
vertical levers, by which means the plunger is forced into the lower
cylinder, and the fluid compressed.
If but a small amount of power is required I wind the chain round
the axle by means of the hand wheel, and in this way draw the chain
pulley and levers for actuating the plunger.