Year: 1892

page_text: Date of Application, 15th Mar., 1892-Accepted, 16th Apr., 1892

page_text: the eccentrics e', in combination with the abutment on the front side above the
centre. Either set of the eccentrics, but not both, might be omitted and its place
supplied by a fixed abutment with something of the same useful result as when both
sets are used. The place for the upper bearing is about half way from the pivot E
to the edge of the sheet steel blade E the place for the other adjusting bearing is
rather more than one-third of the distance from the pivot E to the edge of the
presser bar. The bearing upon the backside of the sheet steel blade of the presser
bar should be lower down than the front bearing, and the front bearing should be
higher up than the back bearing. The construction of the presser bar with a sheet
steel blade fastened at its lower end to a heavy bar of iron and clamped very
securely in position by eccentrics, which press it back and forth in a portion of its
width below its middle, makes the adjustment of this bar to and from the roller C,
very delicate and perfect and at the same time elastic.
The presser bar is formed with an edge bevelled on the front side and slightly
rounded, so as not to cut the fibre, but still to approach very closely to the
roll.
The clearer E is formed of a bent piece of steel and has pivots welded to it, in
the manner shown in the plan view of Figure 2, it is sharpened on its lower edge
near the roll to a rounded knife edge and is pivoted to the frame of the machine as
shown in Figure 1 and Figure 3. The centre of oscillation of the clearer D, and
the upper edge of the presser bar E and the centre of the roller C are in very
nearly the same right line and the horizontal diameter of the roller C when
extended, lies some little distance below the upper edge of the presser bar E and
still more below the centre of the oscillation of the clearer D. The boxes of the
clearer D are adjustable to and from the roller C by means of slides and a
screw and handle as shown at d, d', d in which is a bracket, d' the block and d² is
the screw passing through the block and handle thereto, by which the block is
moved forward and backward.
The arms of the clearer D are, as shown in Figure 3 only a little more in length
than the radius of the roller C, and because these arms are pivoted above the
horizontal line of the roller, when the clearer is thrown down as it passes the edge
of the presser bar, the edge of the clearer will retire from the edge of the roll and
pull the cotton seed away from it. The edge of the presser bar E is elevated
above the lines of the horizontal diameter of the roller C and the nearest approach
of the presser bar to the roller C, is a short distance down the side from its edge.
By this means the interval between the edge of the presser bar and the roll is a
little greater at the exact edge of the presser bar than it is a little below that edge,
and hence the lint of the cotton is more readily brought to the edge of the presser
bar to receive the combing blow of the clearer.
On one end of the pivots on which the clearer D oscillates as seen in the plan of
the machine Figure 2, is mounted a boss f in the face of which are two screw
holes for the reception of clamping screws f'; on the top of the boss is mounted in
standards a worm g, and the shaft of this worm terminates in a handle g'. In order
to actuate the clearer, a rocker arm F is mounted upon the journal of this boss *,
and this rocker arm has a circular palm at its top, near the edge of which are two
slots. Through these slots the clamping screws f¹ pass and will fix the rocker
arm F in any desired position to the clearer E. This rocker arm F is slotted as
shown at F and it connects with a link F' extending almost at right angles to the
wheel in the face of which is a wrist pin f' which engages with a box in a slot
having a spring on one side of it and a screw on the other, in order to take up any
undue shock of the machine, the other end of the link F is slotted as shown at F
and the operating length of the link F' can be adjusted in and out by moving a
union pivot along the slot F; the stroke of the clearer also can be adjusted as
desired by moving this union clamp nut up and down in the slot F³. The form of
nut employed for this purpose is one that need not be explained, as it is a common
device in the art to connect the slotted arms by an elbow joint in this way.

page_text: be
The main wheel of the machine is represented at A and this wheel carries upon
its axis the roll C, and transmits from its periphery, motion to the wheel F,
through a train of change gears that are supported on the small lever, and inay
clamped into place through a slot here shown in Figure 1 as attachable to the side
of the frame. The gear shown in Figure 1 consists of the pinion i, which engages
with the periphery of the wheel A. On the same shaft with this pinion i is a
wheel I which engages with a pinion f³. The roller C is covered with canvas or
rubber duck of considerable thickness, and strips of this fabric are put upon the
exterior of the roller which is of peculiar construction. It is considered desirable
that the canvas or other material which covers the roll shall have spiral, or at any
rate inclined grooves upon it. Turning to Figures 4 and 5 C' is the shaft. At one
end of this shaft a head G is fastened to the shaft by a spline; wooden thimbles H
are then slipped upon the shaft, and these wooden thimbles fit accurately against
each other, but are not fastened to the shaft; another head K, is fitted on the
opposite end of the shaft from the head G and the head K is not fastened to the
shaft.
A plate L, a plan of which is shown in Figure 5 and a section of which is shown
in Figure 4 is fitted on the shaft and fastened to it. This plate L carries in a
recess a pawl P. The inside wall of the head K, which surrounds the recess into
which the plate L fits, is provided with internally projecting ratchet teeth, with
which the pawl P is adapted to engage.
It will thus be seen that the head G, and the plate L, can move in unison while
the head K, is not obliged to move with them.
The covering of the roll made into strips of proper length and width is then laid
on the roll, the strips being placed side by side and these strips are securely fastened
at each end to the head G and to the head K. This can be done by means of
straps placed on their exterior which clamp the strips down to the heads G, and K,
or by pins or nails which unite them to these heads, or in any other appropriate way.
If one of the heads be held stationary and the other rotated around the shaft in
such direction that the ratchet teeth will slip upon the pawl, or the pawl slip upon
the ratchet teeth, these strips of covering which were in the beginning parallel to
the shaft will be twisted upon it so as to lie around it in spirals and I thus have the
series of spiral curves considered desirable on the face of a cotton gin roll.
The thimble H prevents the two heads from approaching each other, and at the
same time form a solid foundation for the covering to bed upon.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, as communicated to me by
my foreign correspondent, I declare that what I claim is :-
First. The combination in a roller gin of the drive wheel A; the shaft driven
thereby the roller C, upon the said shaft; the crank wheel F', driven from said
wheel A; the link F driven from said crank-wheel F; the rocker arm F, driven
by the link F; the clearer D, driven by the said rocker arm; and the presser
bar E, all arranged combined and operated substantially as and for the purposes
described.
Second. In a roller gin the combination with the clearer D, of the rocker
arm F, having slots f, therein and with means for adjusting said rocker arm F,
around the centre of motion common to said clearer D, and rocker arm F, and
with the boss and clamping screws /' substantially as and for the purposes
described.
1
Third. The roller containing the combination of the head G, firmly fastened to
the shaft; the thimbles H, and the head K, not fastened to the shaft, but provided
with a ratchet, the pawl carrying the plate L fastened to the shaft; the pawl P ;
the shaft C'; and the covering applied in parallel strips, substantially as and for
the purposes described.
Fourth. The roll containing the combination of a shaft; a head fixed upon the

page_text: shaft another head not fastened to the shaft, but provided with a ratchet; a pawl
carrying plate fastened to the shaft; a pawl; a series of thimbles between the
heads, and the covering applied in parallel strips and fastened to the heads, the
said covering being stretched and arranged in spiral form around the thimbles by
twisting the movable head, substantially as herein shown and for the purpose
described.
Fifth. The combination of the clearer D and rocker arm driving the same,
the said rocker arm being provided with means for angular rotation with relation
to the said clearer D, in combination with the crank-wheel F¹, which drives
said rocker arm, whereby the angular adjustment of the clearer D to the rock
shaft may be varied without varying the length of the are of motion of the
clearer blade, substantially and for the purpose described.
Sixth. The combination of the clearer D; the arbor on which it oscillates; the
rocker arm F, which drives said clearer D by means of said arbor, on which the
clearer D, oscillates, which rocker arm F, is slotted at its lower end and there
combined with the slotted link which connects with the wheel F, whereby the angle
of the arms of the clearer D, with the rocker arm F, may be varied, and the length
of arc described by the clearer blade may also be varied substantially and for the
purpose described.
Seventh. The combination of the slotted link F, with a wrist pin box mounted
in the slotted link I, which wrist pin box takes hold of a crank pin in the face of
a crank wheel F', and with the spring, interposed between said wrist pin box
and the body of the slotted arm 1, and with the adjusting screw 0, adapted to
adjust the position of said wrist pin box in the slot of said slotted arm F against
the tension of the spring f, substantially and for the purpose described.
Eighth. A presser bar composed of the transverse bar E', and the sheet steel
plate E, fastened thereto, the same being furnished with and pivoted to the frame
of the machine by the pivots E2, which engage with the transverse bar E', in
combination with the roller and frame of a roller gin and with the rod e, and
eccentrics e, which bear upon said sheet of steel in front and about half-way from
the pivot E², to the upper edge of said sheet of steel, and with suitable sustaining
devices on the backside of said sheet metal blade E, and below said rod e,
substantially as described.
Ninth. A presser bar composed of the transverse bar E', and the sheet metal
blade E, fastened thereto, the same being furnished with and pivoted to the frame
of the machine by the pivots E which engage with the transverse bar E', in
combination with the roller and frame of the roller giu, and with the rod e, and
eccentrics e, thereon, situated below the middle of said sheet steel blade and on
the backside thereof and with suitable sustaining devices on the front side of said
sheet steel blade and higher than said rod e³, and eccentrics, substantially as
described.
Tenth. A presser har composed of the transverse bar E', and the sheet steel
blade E, fastened thereto, the same being furnished with and pivoted to the frame
of the machine by the pivots E², which engage with the transverse bar E', in
combination with the roller and frame of a roller gin and with the rod
and
eccentrics e¹, on the front side of said sheet metal blade E, at or about the middle
of its height, and with the rod e, and eccentrics e on the backside of said blade of
said presser bar, and below the position of the rod, e, and eccentrics e', substantially
as described.
Eleventh. In a roller gin the combination of the roller C, the sheet metal presser
bar E, the clearer D, whose arms do not exceed in length one and a half the radius
of the said roller; the axes of said clearer and roller and the edge of said presser
bar being in the same line, and the edge of said presser bar being higher than the
horizontal diameter of the roller C, and the nearest approach of said presser bar to
said roller being below said edge, substantially as and for the purpose described.
Twelfth. The clearer D, the lever arms of which are shorter than the diameter

page_text: 5
of the roller C, in combination with the roller C, and with the presser bar E
arranged for the tangent circles of oscillation of the clearer and the surface of the
roller to have their nearest approach to each other, at or about the upper edge of
the presser bar, substantially as and for the purposes described.
Dated this 15th day of March 1892.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.