A NEW OR IMPROVED MACHINE FOR DRAWING CARD PINS
Year: 1875

page_text: LETTERS PATENT to Samuel Worrall, of Dundee, in the County of
Forfar, North Britain, for the Invention of "A NEW OR IMPROVED
MACHINE FOR DRAWING CARD PINS."
Sealed the 16th July 1875, and dated the 22nd February 1875.
PROVISIONAL SPECIFICATION left by the said Samuel Worrall at the
Office of the Commissioners of Patents, with his Petition, on the
22nd February 1875.
I, SAMUEL WORRALL, of Dundee, in the County of Forfar, North
Britain, do hereby declare the nature of the said Invention of "A NEW
OR IMPROVED MACHINE FOR DRAWING CARD PINS," to be as follows, that is to
say :-
This Invention which relates to a new or improved machine for
drawing the pins when they are worn from or out of the holes in which
they are held in the staves of the cylinders or other parts of carding
engines has for its object to supersede the present operations by which
such withdrawal is effected and to perform the said operations more
rapidly than hitherto.

page_text: The machine constituting the Invention consists of a pair of rollers or
spindles revolving towards each other, their extremities being made
conical. The conical portions of the spindles or rollers are fluted or
roughened, and they are so placed that the conical surfaces approach
each other to any required degree of nearness, being provided with set
screws or other means for adjusting their distance apart.
In order to drive back the pins in the staves in the first instance the
machine is provided with an eccentric or crank which actuates a striker,
the blows of which cause the ends of the pins to project through the
under side of the stave, after which they are caught by the fluted or
roughened surfaces of the revolving conical spindles or rollers and
immediately withdrawn by the seizing action of the conical surfaces
upon them.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Samuel Worrall in the Great Seal Patent Office on
the 17th August 1875.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SAMUEL
WORRALL, of Dundee, in the County of Forfar, North Britain, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-second day of February, in the
year of our Lord One thousand eight hundred and seventy-five, in the
38th year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Samuel Worrall, Her special license
that I, the said Samuel Worrall, my executors, administrators, and
assigns, or such others as I, the said Samuel Worrall, my executors,
administrators, or 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 "A NEW OR IMPROVED
MACHINE FOR DRAWING CARD PINS," upon the condition (amongst others)
that I, the said Samuel Worrall, by an instrument in writing under my
hand and seal, should particularly describe and ascertain the nature of
the said Invention, and in what manner the same was to be performed,
and cause the same to be filed in the Great Seal Patent Office within

page_text: six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Samuel Worrall, do hereby declare
the nature of my said Invention, and in what manner the same is to
3 be performed, to be particularly described and ascertained in and by
the following statement, reference being had to the accompanying
Drawings, and to the letters and figures marked thereon, that is to
say:-
My said Invention, which relates to a new or improved machine for
drawing the pins when they are worn from or out of the holes in which
they are held in the staves of the cylinders or other parts of carding
engines, has for its object to supercede the presont operation by which
such withdrawal is effected and to perform the said operation more
rapidly than hitherto.
And in order that my said Invention may be properly understood I
now proceed particularly to describe the construction of the mechanism,
and the system, mode, or manner in or under which the same is or may
be used or practically carried into effect, reference being had to the
accompanying Sheet of Drawings and to the letters and figures marked
thereon, that is to say :-
On the Sheet of Drawings hereunto appended Figure 1 is a side
elevation and Figure 2 an elevation of the end marked X, Figure 1, of
the machine constituting my said Invention. As shewn by these
Figures the apparatus consists of a framing A on which a pair of rollers
or spindles B are supported by means of brackets C. The extremities of
the rollers or spindles B are made conical, the conical portions being
fluted or roughened. The rollers or spindles are so placed that the
conical portions approach each other, as seen at Figure 2 of the
Drawings, and the said portions may be adjusted to any desired degree
of nearness by means of pinching screws or by constituting the brackets C
in which the rollers or spindles are held movable on the framing A, or
other equivalent means may be provided to adjust the positions of the
rollers or spindles B. On each of the rollers or spindles B a bevil
pinion D is placed and secured to the roller or spindle by a pinching
screw, as shewn in dotted lines at a, Figure 1. The pinions D are geared
into spur wheels E centred on studs 6 fixed in the cross piece F of the
framing A, and a driving pulley G is either formed on each spur wheel E

page_text: or placed on the same stud or axis therewith. The spindles or rollers B
are caused to rotate towards each other by means of the gearing D, E,
and by crossed driving belts or bands I passed round the pulleys G and
also round driving pulleys J situate on a shaft K supported in the
lower part of the frame A. On one extremity of the shaft K another
driving pulley L is situate, over which and also over a pulley Ma
crossed driving belt N is passed, as shewn. The pulley M is situate
on a shaft M' which is supported in bearings at the upper end of the
framing A, and is rotated by a belt or band passed round the pulley O
of the fast and loose pulleys O, P.
Besides the mechanism herein-before described for withdrawing the
card pins the machine is also provided with apparatus for driving back
the pins in the staves in the first instance, which apparatus is so arranged
that such pins as are not worn, and therefore do not require to be
removed, are left in their positions in the staves. The apparatus for
effecting this purpose consists of an eccentric Q placed loosely on the
shaft M', the rod R of the eccentric being connected at its lower end to
a frame S which is fitted in slide guides T attached to the side frames A.
At the under side of the frame S a hammer or striker c is fixed which
at each downward stroke of the eccentric rod R and frame S strikes
against the pins and causes them to project through to the other side of
the stave, whereat they are seized between the fluted or roughened
conical ends of the rollers or spindles B and by the rotatory action
thereof withdrawn. The stave to be operated upon is passed into the
machine over a slide guided in which a slot c is made, as shewn at
Figure 2, to receive and allow the pins to pass when they have been
driven back as described, and the said guide d is capable of being raised
and lowered on the framing A, a wedge ƒ being provided to adjust the
height of the guide so as to bring the back of the stave exactly over and
in a line with the points of the fluted or roughened conical ends of the
rollers or spindles B, or in lieu of the wedge other equivalent
means may be employed for that purpose. As herein-beforo stated the
eccentric Q is placed loosely on the shaft M', and when the striker or
hammer c is to be brought into operation the eccentric is geared with
the shaft M by means of the clutch U situate on a feather on the said
shaft and operated longitudinally thereon by the lever g, shewn at
Figure 2. To the lower end of the said lever a spring his attached, by
which the clutch is kept in gear with the eccentric Q. A lever V is

page_text: also provided, which when it is desired to throw the eccentric out of
gear with the shaft M¹ (and so allow such pins in the stave, for example
those towards each end, which are less liable to wear and therefore do
not require to be so frequently driven back, to pass without being acted
upon by the hammer or striker c) is pushed against the lower end of the
lever g whereby the clutch is thrown out of gear with the clutch box on
the eccentric and the frame S with the hammer or striker c is then
drawn up by the springs K, Figure 2, clear of the stave passing through
the machine. Or in lieu of springs other equivalent mechanism may be
employed to raise the frame S, it being here explained that I do not
confine myself to arrange the machine precisely as herein-before
described and illustrated on the appended Drawings, as the parts thereof
are capable of considerable modification without departing from the
essential features of my said Invention.
Having now described and particularly ascertained the nature of my
said Invention, and the system, mode, or manner in or under which the
same is or may be used or practically carried into effect, I would observe
in conclusion that what I consider to be novel and original, and there-
fore claim as the Invention secured to me by the herein-before in part
recited Letters Patent is,―
First. The general arrangement and construction of mechanism con-
stituting the machine for drawing card pins, substantially as herein-
before described and shewn on the appended Sheet of Drawings, or any
mere modification thereof.
Second. The spindles or rollers B with fluted or roughened conical
ends, arranged and driven as set forth and the employment thereof, as
and for the purpose described.
Third. The mechanism for driving the card pins back through the
stave in which they are held in order to be operated on by the conical
spindles or rollers, substantially as herein-before described.
In witness whereof, I, the said Samuel Worrall, have hereunto set
my hand and seal, this Twelfth day of August, One thousand
eight hundred and seventy-five.