IMPROVEMENTS IN WRINGING MACHINES OR HYDRO-EXTRACTORS."
Year: 1880

page_text: LETTERS PATENT to Edward Clements, of Great Russell Street, in the County
of Middlesex, for an Invention of "IMPROVEMENTS IN WRINGING MACHINES
OR HYDRO-EXTRACTORS."
PROVISIONAL SPECIFICATION left by the said Edward Clements at the
Office of the Commissioners of Patents on the 28th July 1880.
EDWARD CLEMENTS, of Great Russell Street, in the County of Middlesex.
"IMPROVEMENTS IN WRINGING MACHINES OR HYDRO-EXTRACTORS."
This Invention relates to improvements in rotary or revolving wringing machines
or centrifugal hydro-extractors employed for laundry and other like purposes, in
which the articles to be wrung or partially dried are placed in a revolving cage
mounted upon a central axis.
Heretofore it has been usual to mount the central axis of wringing machines or
hydro-extractors of the above description upon a step or bearing, which is subject
to very rapid wear, and in the case of frictional driven machines it has been usual to
apply the necessary adhesion of the wheels by means of a spring set up sufficiently
tight to drive the loaded machine.
Now according to my improvements I dispense with the step or bearing and
with the spring for keeping the friction wheels together, and make use of the
weight of the revolving cage and its load to get the necessary adhesion of the wheels,
which varies automatically according to the load it has to carry, a bevil friction
wheel being mounted on the lower end of the central axis, which wheel rests upon
another bevil friction wheel fixed on the horizontal driving axis which is driven by
a strap or band in the usual way.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Edward Clements in the Great Seal Patent Office on the 28th
January 1881.
EDWARD CLEMENTS, of Great Russell Street, in the County of Middlesex.
"IMPROVEMENTS IN WRINGING MACHINES OR HYDRO-EXTRACTORS."
This Invention relates to improvements in rotary or revolving wringing machines
or centrifugal hydro-extractors employed for laundry and other like purposes, in
which the articles to be wrung or partially dried are placed in a revolving cage
mounted upon a central axis.
Heretofore it has been usual to mount the central axis of wringing machines or
hydro-extractors of the above description upon a step or bearing which is subject
to very rapid wear, and in the case of frictional driven machines it has been usual
to apply the necessary adhesion of the wheels by means of a spring set up sufficiently
tight to drive the loaded machine.
Now according to my improvements I dispense with the step or bearing and
with the spring for keeping the friction wheels together, and make use of the
weight of the revolving cage and its load to get the necessary adhesion of the wheels,
which varies automatically according to the load it has to carry, a bevil friction
wheel being mounted on the lower end of the central axis, which wheel rests upon
another bevil friction wheel fixed on the horizontal driving axis which is driven by
a strap or band in the usual way.
And in order that my improvements may be clearly understood and readily carried
into practice, I will proceed to describe the Drawings hereto annexed, which shows a
vertical section of a wringing machine arranged and constructed in accordance with
my Invention.
a is a revolving cage made of wire, perforated metal, or other suitable material
fixed to the central support or axis a mounted and fixed on the conical upper end
of the central vertical axis b, on the lower end of which is fixed the bevil friction
wheel b¹, which rests (with the weight of the revolving cage a and its contents)
upon the bevil friction wheel c¹ fixed on the horizontal driving axis c, which is
driven by a strap or band passing over the driving pulley c² from a steam engine
or other motive power.
It will thus be seen that the greater the weight of the revolving cage and its
contents the greater will be the adhesion between the surfaces of the frictional
driving wheels b' and c' to actuate the revolving cage a.
d is the shifting fork for moving the strap or band from the fast to the loose
pulley, and vice versa. The upper end of the fork d is supported by and slides
upon the fixed rod or bar d³, being moved to and fro thereon by means of the
screw e actuated by the hand wheel e'.
f is a casing which surrounds the revolving cage a and g; h and i are oil cups
with passages leading therefrom for lubricating the several revolving parts.
Having thus described the nature of my Invention, and the manner of performing
or carrying the same into practice, I would remark that I do not claim any of the
separate mechanical parts, which are well known and in common use, neither do I
limit myself to the exact details of arrangement and construction hereinbefore
described and represented in the Drawing hereto annexed so long as the novel
character of my Invention is retained, but what I claim is,-
The improved arrangement and construction of revolving wringing machines or
centrifugal hydro-extractors in which bevil frictional wheels, such as b² and c', are

page_text: combined therewith for supporting and actuating a revolving cage, such as a,
substantially in the manner and for the purpose hereinbefore described and
represented in the Drawing hereto annexed.
In witness whereof, I, the said Edward Clements, have hereunto set my
hand and seal, this Twenty seventh day of January, in the year of our
Lord One thousand eight hundred and eighty one.
EDWARD CLEMENTS. (L.S.)