IMPROVEMENTS IN FEEDING APPARATUS FOR CARDING MACHINES AND OTHER MACHINERY FOR TREATING FIBROUS MATERIALS
Year: 1875

page_text: LETTERS PATENT to Frederick Foster Burlock, of Leamington, in the
County of Warwick, for the Invention of "IMPROVEMENTS IN FEEDING
APPARATUS FOR CARDING MACHINES AND OTHER MACHINERY FOR TREATING
FIBROUS MATERIALS."—A communication from abroad by George S.
Harwood, of 21, Bloomfield Street, Boston, Massachusetts, United
States, Engineer.
PROVISIONAL SPECIFICATION left by the said Frederick Foster
Burlock at the Office of the Commissioners of Patents, with his
Petition, on the 1st November 1875.
I, FREDERICK FOSTER BURLOCK, of Leamington, in the County of
Warwick, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN FEEDING APPARATUS POR CARDING MACHINES AND OTHER
MACHINERY FOR TREATING FIBROUS MATERIALS," a communication, to be as
follows:-

page_text: described in the Specification of my former Letters Patent, dated June
2nd, 1875, No. 2025.
In working the feeding apparatus described in the said Specification
on certain kinds of stock I have found a great tendency for long fibres
of wool or waste (strings) to wind round the spiked roll, and by gradual
accumulation to become so matted if not cleaned frequently as to
interfere with the proper working of the machine.
One object of my present improvements is to remove this difficulty,
and for this purpose I uso a perforated shell extending from the spiked
apron to the slat apron, the said shell having a row of holes which
exactly correspond with a row of teeth set firmly in a picker bar at
suitable intervals; under this picker bar is a shaft, and at each end of
said shaft is a cam. As the shaft revolves the action of the cams will so
lift the said picker bar that the teeth will protrude through the aforesaid
perforated shell, and thus answer the same purpose in opening the stock
as was intended by the use of the spiked roll. As the said bar is caused
to fall down by the action of the cams the teeth will be perfectly cleared
by the said shell at every revolution of the shaft, so that there can be
no accumulation of fibres, and the difficulty above referred to is entirely
obviated. But with the stock I sometimes use I find in working the afore-
said apparatus that when the box is very full the feed will be heavier
than when the wool gets low in the box, and unless the box be
frequently replenished a little at a time, so as to keep the box with
about the same supply, the work tends to vary from this cause. I
obviate this difficulty by the addition of a slat apron in front of the
spiked apron; I also sometimes use a shield. My apron so operates that
no matter how full the box may be there will be no variation in the
weight of the work, or the amount lifted by the spiked apron, so long
as the box is fitted to the bottom of the said slat apron; and what-
ever surplus may be thrown back into the box by the operation of the
fans will be carried by the said apron into contact with the spiked
apron, and immediately returned into the machine. The said slat apron
moves in a slot at its lower end, so that I can adjust it nearer to or
farther from the spiked apron as desired.

page_text: Office on the 1st May 1876.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, FREDERICK
FOSTER BURLOCK, of Leamington, in the County of Warwick, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the First day of November, in the
year of our Lord One thousand eight hundred and seventy-five, in the
thirty-ninth year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said Frederick Foster Burlock,
Her special licence, that I, the said Frederick Foster Burlock, my
executors, administrators, and assigns, or such others as I, the said
Frederick Foster Burlock, my executors, administrators, 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 IMPROVEMENTS IN FEEDING APPARATUS FOR
CARDING MACHINES AND OTHER MACHINERY FOR TREATING FIBROUS MATERIALS,'
a communication to me from abroad by George S. Harwood, of 21,
Bloomfield Street, Boston, Massachusetts, United States, Engineer,
upon the condition (amongst others) that I, the said Frederick Foster
Burlock, my executors or administrators, by an instrument in writing
under my, or their, or one of their hands and seals, should particularly
describe and ascertain the nature of the said Invention, and in what
manner thic sanie was to be performed, and cause 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.
66
NOW KNOW YE, that I, the said Frederick Foster Burlock, do
hereby declare the nature of the said Invention, and in what manner
the same is to be performed, to be particularly described and ascertained
in and by the following statement, reference being had to the accom-
panying Drawing forming a part of this Specification, in which
Figures 1 and 2 are sectional clovations of my improved apparatus.

page_text: This Invention relates to further improvements in the apparatus
described in the Specification of my former Letters Patent, dated June 2,
1875, No. 2025.
In working the feeding apparatus described in the said Specification
with certain kinds of stock I have found a great tendency for long fibres
of wool or waste or strings to wind round the spiked roll of the said
apparatus, and by gradual accumulation to become so matted if the
roll is not cleaned frequently as to interfere with the proper working
of the machine.
One object of my present improvements is to obviate this difficulty,
and for this purpose I employ the apparatus illustrated in Figure 1,
that is to say, I use a perforated metallic shell M extending from the
spiked apron C to the slat apron D, the said metallic shell having a row
of holes which exactly correspond with a row of teeth set firmly in a
picker bar N at suitable intervals. Under this picker bar N is a shaft O,
and at each end of said shaft is a cam P. As the shaft revolves the
action of the cams will so lift the said picker bar N that the teeth
will protrude through the perforated shell M, and thus serve the same
purpose in opening the stock as was intended to be served by the
use of the said spiked roll. As the bar N is caused to fall by the action
of the cams P the teeth will be perfectly cleared by the shell M at
every revolution of the shaft O, so that there can be no accumulation
of fibres, and the difficulty above referred to is entirely obviated. With
the stock sometimes used in carding and other machines I find in
working the apparatus described in said former Specification that when
the box is very full the feed will be heavier than when the wool gets
low in the box, and unless the box be frequently replenished by small
quantities from time to time, so as to keep the box with about the same
supply, the work will vary from this cause. I therefore modify the said
apparatus, as shewn in Figure 2, to obviate this difficulty by the addi-
tion of a slat apron S in front of the spiked apron O, as shewn ; I also
in some instances use a shield T, as shown. My apron so operates that
no matter how full the box may be there will be no variation in the
weight of the work or the amount lifted by the spiked apron so long
as the box is filled to the bottom of apron S; and whatever surplus
may be thrown back into the box by the operation of the fans will be
carried by the said apron into contact with the spiked apron, and imme-
diately returned into the machine, and in this respect my Invention

page_text: will be found very advantageous. The said apron S moves in a slot S¹
at its lower end, so that I can adjust it nearer to or farther from spiked
apron as desired.
Having thus fully described the said Invention as communicated to
me by my foreign correspondent, and the manner of performing the same,
I wish it understood that I claim,-
First. The apparatus shown in Figure 1 of the accompanying
Drawing, with the parts thereof constructed, combined, and operating,
as above set forth, and for the purpose specified.
Second. The conbination of the adjustable slat apron with the feed
apron (and with or without the shield), as shewn in Figure 2 of the
Drawing, and for the purpose specified.
In witness whercof, I, the said Frederick Foster Burlock, have
hereunto set my hand and seal, this First day of May, in the
year of our Lord One thousand eight hundred and seventy-six.
F. F. BURLOCK. (L.S.)