of IMPROVEMENTS IN OR RELATING TO SPINNING MACHINE SPINDLES
Year: 1882

page_text: LETTERS PATENT to William Robert Lake, of the Firm of Haseltine, Lake,
& Co., Patent Agents, Southampton Buildings, London, for an Invention
"
of IMPROVEMENTS IN OR RELATING TO SPINNING MACHINE SPINDLES."
A communication from abroad by George Henry Miller, of Pawtucket, Rhode
Island, United States of America.
PROVISIONAL SPECIFICATION left by the said William Robert Lake at the
Office of the Commissioners of Patents on the 21st January 1882.
WILLIAM ROBERT LAKE, of the Firm of Haseltine Lake & Co. Patent Agents
Southampton Buildings London "IMPROVEMENTS IN OR RELATING TO SPINNING-
MACHINE SPINDLES.". [A communication from abroad by George Henry Miller
of Pawtucket, Rhode Island, United States of America.]
This invention has reference to improvements in the step and bolster for spindles
of spinning and twisting machines; and it consists in the peculiar and novel
arrangement by means of which the step and bolster are united and held against
rotation as hereinafter described.
In spindles as heretofore constructed in which the step and bolster are united
by means of a woven tube extending over both, the bolster and woven tube
must fit loosely into the case or tube in which they are held so that the spindle
and bolster may adjust themselves to the true centre of the bobbin carried on the
spindle. In practice two difficulties have become manifest-viz in starting the
spinning-frames provided with such spindles, or when the lubrication is imperfect,
the bolster is liable to rotate with the spindle, and will cut or wear the woven tube
particularly at the junction of the bolster with the step, as the step is less liable to
rotate than the bolster; then the continuous change in the position of the bolster
strains, tears, and breaks the woven tube at the joint between the step and the
bolster. When the woven tube is thus torn it becomes difficult to remove the
step from the tube and replace the old woven tube by another. To obviate these
difficulties and also to allow the step to yield with the bolster to the effort of the
spindle to adjust itself is the object of this invention.

page_text: In carrying the said invention into practice
provide a tube in which a step is
secured by means of a pin passing transversely through the step near its lower
end and through the tube so as to form a pivotal connection. In place of the
tube a block of metal in which a hole is bored to receive the step may be used;
the bolster-tube is connected with the step, also by means of a pin passing
transversely through the step and the tube at right, angles to the pin in the lower
end of the step so as to form a gimbal or universal joint and allow the bolster-
tube to adjust itself in any direction; and to allow of this free adjustment the step
is of less diameter than the holes in the tubes.
The first named tube or block is of larger diameter than the bolster and is made
to fit tightly into the .bolster-case so that it is firmly held against rotation and as
the bolster is secured to the step and the step to the tube or block, the bolster
while free to yield to the spindle cannot rotate with the same.
A woven tube forms a yielding packing between the bolster and the bolster-
tube, but this tube extends only to the lower end of the bolster, and is not affected
by the motion, of the bolster.
As the step is pivotally connected with the tube or block it will yield with the
bolster and spindle, particularly when the pin forming the pivot is loosely fitted,
and thus the bearing of the spindle on one side of the step is prevented; and as
the bolster and step are secured together the whole can be more readily withdrawn
when it becomes necessary to renew the elastic packing.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said William Robert Lake in the Great Seal Patent Office on the
21st July 1882.
WILLIAM ROBERT LAKE, of the Firm of Haseltine, Lake, & Co. Patent
Agents, Southampton Buildings, London. "IMPROVEMENTS IN OR RELATING TO
SPINNING-MACHINE SPINDLES. A communication from abroad by George Henry
Miller, of Pawtucket, Rhode Island, United States of America.
This invention relates to improvements in the step and bolster for spindles of
spinning and twisting machines; and it consists in the pecular and novel
arrangement by means of which the step and bolster are united and held against
rotation, as hereinafter described.
In spindles as heretofore constructed, in which the step and bolster are united by
means of a woven tube extending over both, the bolster and woven tube must fit
loosely into the case or tube in which they are held, so that the spindle and bolster
may adjust themselves to the true centre of the bobbin carried on the spindle. In
practice two difficulties have become manifest, viz: in starting the spinning
frames provided with such spindles, or when the lubrication is imperfect, the
bolster is liable to rotate with the spindle, and will cut or wear the woven tube
particularly at the junction of the bolster with the step as the step is less liable to
rotate than the bolster; then, the continuous change in the position of the bolster
strains, tears, and breaks the woven tube at the joint between the step and the
bolster. When the woven tube is thus torn it becomes difficult to remove the
step from the tube and replace the old woven tube by another. To obviate these
difficulties, and also to allow the step to yield with the bolster to the effort of the
spindle to adjust itself is the object of this invention.
In the accompanying drawing
Figure 1 is a vertical sectional elevation of my improved step and bolster, shown
in connection with a spindle provided with a sleeve-whirl and a standard or bolster-
case, constructed to be secured to the rail of a spinning or twisting machine.
Figure 2 is a vertical section of my improved step and bolster and bolster-tube.
Figure 3 is a horizontal sectional elevation of the same, showing the pins by
which the bolster and step are secured.
a represents the spindle; b, the sleeve-whirl secured to the spindle. c is the
bolster case or standard in which the bolster and step are placed. d is a flange
which rests on the bolster or spindle rail, and e is a nut with which the bolster case
or standard is secured to the rail of the spinning-machine. All the parts so far
described are used in spinning-machine spindles of this class.
The step and bolster consist of the parts f, g; f is a tube in which the step g is
secured by means of a pin passing transversely through the step g near its lower
end, and through the tube f, so as to form a pivotal connection. In place of the
tube a block of metal, in which a hole is bored to receive the step g may
be used.
h is the bolster-tube connected with the step g by means of a pin passing
transversely through the step and the tube at right angles to the pin in the lower
end of the step, so as to form a gimbal or universal joint and allow the bolster-tube
to adjust itself in any direction; and to allow of this free adjustment the step g is
of less diameter than the holes in f and h.
The tube or block f is of larger diameter than the bolster hand is made to fit
tightly into the bolster-case c so that it is firmly held against rotation, and, as the
bolster his secured to the step g and the step to the tube or block of the bolster,
while free to yield to the spindle, cannot rotate with the same.

page_text: The woven tube i forms a yielding packing between the bolster h and the
bolster-case c; but this tube i extends only to the lower end of the bolster h and
is not affected by the motion of the bolster.
As the step is pivotally connected with the tube or block f it will yield with
the bolster and spindle, particularly when the pin forming the pivot is loosely
fitted, and thus the bearing of the spindle on one side of the step is prevented;
and, as the bolster and step are secured together, the whole can be readily with-
drawn when it becomes necessary to renew the elastic packing i.
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 combination with the bolster case c and the spindle a, of the tube or
block, the step g and tube h connected together by gimbal-pins as, and for the
purpose described.
Second. The combination, with the bolster-case c, of the tube or block f secured
in the same, the bolster tube h and the step g secured by gimbal-pins to the bolster
tube and tube or block f, so as to make a universal joint, as described.
Third. The combination, with the bolster tube h, the tube or block f of larger
diameter than the bolster, tube, and the step g secured together by means of pins so
as to form a yielding connection, of the elastic packing i, the whole adapted to be
placed in a bolster-case to form a yielding bearing for a spindle, as described.
In witness whereof I the said William Robert Lake have hereunto set my
hand and seal this Twentieth day of July in the year of our Lord one
thousand eight hundred and eighty two.