Improvements in Traverse or Building Motions for Spinning and Twisting Machines.
Year: 1892

page_text: Date of Application. 30th Aug., 1892-Accepted, 29th Oct., 1892
COMPLETE SPECIFICATION.
Improvements in Traverse or Building Motions for Spinning and
Twisting Machines.
I, ROBERT DAWES, of 1322, Orthodox Street, in the City of Philadelphia, State
of Pennsylvania, United States of America, Machinist, 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 :-
The object of my invention is to provide the flyer of a spinning or twisting frame
with a simple and effective form of reciprocating traverse guide for properly
directing the spun or twisted strand, cord or rope (hereinafter for convenience
called simply the "rope") to the bobbin mounted within the flyer, and this object
I attain in the manner hereinafter set forth, reference being had to the accom-
panying drawings, in which
Fig. 1, is a longitudinal section, partly in clevation, illustrating sufficient of a
spinning or twisting machine to convey a proper understanding of the construction
and application of my improved reciprocating traverse guide.
Fig. 2, is a transverse section on the line 1-2, Fig. 1.
Fig. 3, is an enlarged section illustrating the construction of part of the traverse
guide.
So far as regards the construction and operation of the spinning and twisting
frame itself, no special description will be necessary, as this forms no part of my.
present invention and may be varied in many ways, the device which I have selected
to illustrate my invention being similar to that shown and described in the Patent
of the United States of America, granted to Edmund Dawes, No. 437,022, dated
September 23rd, 1890.
For the purposes of the present case it is sufficient to say that A, A, represent
the opposite arms of a rotating flyer frame, the shaft of which has a pulley a, for
receiving a belt whereby said frame is rotated, and within the frame is a detachable
spindle a, for the reception of the bobbin B, upon which the rope is to be wound.
Partially embracing each of the flyer-arms is a bracket b, extending inwardly
from a ring D, which surrounds the flyer, each of these brackets having, in the
present instance, a guide roll d, either of which may serve as a guide for the rope,
the latter passing from the delivery mechanism at one end of the flyer over the
guide roll and thence to the bobbin upon which it is wound, the longitudinal move-
ment of the roll first in one direction and then in the other causing the rope to be
properly laid upon the bobbin from end to end of the same.
The ring D, rotates with the flyer and said ring has a bearing at front and rear
upon a packing or bushing F, of anti-friction metal, let into an internal groove in
an annular frame G, which has feet, guided upon longitudinal rods H, forming
part of the fixed frame of the machine, said annular frame having a bushed sleeve I,
which surrounds and travels longitudinally upon a right and left threaded screw
shaft J, mounted in suitable bearings in the fixed frame of the machine and rotated
continuously but at a slow speed by any suitable mechanism, for instance, by means
of a worm wheel g, meshing with a worm h, on a transverse shaft i, to which is
secured a pulley m, for receiving a belt from any other available pulley of the
machine.
The sleeve I, carries a set-screw n, to the inner end of which is swivelled a shoes,
which engages with the threads of the screw shaft J, and as the latter is rotated,
causes reciprocative movement of the frame G, first in one direction and then in
the other to an extent dependent upon the length of the threaded portion of the
shaft, the ring D, being compelled to travel to-and-fro with the frame so as to cause
its roll d, to properly direct the rope onto the bobbin, such traversing movement
Ca

page_text: being effected without in any way restricting the free rotation of the ring D, with
the flyer, and without twisting or distorting said ring so as to cause it to bind upon
the Hyer, for as the frame G. surrounds the ring D, forward or backward movement
is simultaneously imparted to all parts of said ring and any torsional strain upon
the latter is effectually prevented.
While the complete surrounding of the ring D, by the frame G, is preferred in
carrying out my invention, the main feature of said invention might be attained
even if the frame G, comprised less than a full circle, as though, for instance, said
frame was discontinued at the dotted lines,, Fig. 2, the segment in all cases,
however, being more than a half circle so as to apply power to the ring at points
above the axis of rotation of said ring as well as below the same.
It will be understood, particularly on reference to Fig. 3, that the ring D, has
no peripheral bearing upon the bushing F, in the frame G, so that any slight
expansion of said ring D, which may result from centrifugal action will not cause
the ring to bind in the bushing or in any way interfere with the free rotation of the
ring by the flyer.
I
am aware that a traverse motion has been devised in which the guide is carried
by a ring rotating with the flyer and engaging at one point on its periphery with a
disk traversed to-and-fro through the medium of a right and left screw shaft and
intervening devices, but in such case the extent of engagement of the ring with the
disk is extremely limited so that torsional strain upon the ring necessarily results,
with the effect of causing said ring to bind upon the flyer, an objection which is
effectually overcome by my invention.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1The combination of the rotating flyer of a spinning or twisting frame, a
ring having a portion engaging with said flyer and carrying a guide for the rope, a
guided frame extending more than half way around said ring, and having a nut, a
right and left screw shaft adapted to said nut, and means for rotating said screw
shaft, substantially as specified.
2- The combination of the rotating flyer of a spinning or twisting machine with
a ring having a portion engaging with said flyer and carrying a guide for the rope,
a guided frame completely surrounding said ring, and having a nut, a right and left
screw shaft engaging with said nut, and means for rotating said shaft, substantially
as specified.
3: The combination of the rotating flyer of a spinning or twisting machine, a
ring having a portion engaging with said flyer, and carrying a guide for the rope, a
guided frame embracing or partially embracing said ring, and having an internal
bushing providing a bearing therefor, a nut on said frame, a right and left screw
shaft engaging with said nut, and means for rotating said shaft, substantially as
specified.
4: The combination of the rotating flyer of a spinning or twisting frame, with
a ring having a portion engaging said flyer, and a guide for the rope, a guided frame
having a portion embracing or partially embracing said ring and providing front and
rear bearings therefor but free from peripheral contact therewith, a nut on said
frame, a right and left screw shaft engaging with said nut, and means for rotating
said shaft, substantially as specified.
Dated this 25th day of August 1892.
DAY, DAVIES & HUNT,
321, High Holborn, London, W.C., Agents for the Applicant.