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Патент USA US2411889

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Dec. 3, 1946.
I
2,41 1,889
H. J. MODERMOTT ‘
GUIDE MECHANISM
Filed May 19, 1944
Y
4444M...‘
ATTGRNEY '
Patented Dec. 3, 1946
2,411,889 1 -
STATES Parent orrica
2,411,889
GUIDE MECHANISM
Henry-J. McDermott, Prospect Park, i’a", assignor ’
to American Viscose Corporation, Wiimington,
Del., a corporation of Delaware
{application May 19, 1944, Serial No. 536,275
,9 Claims.
1
This invention relates to a guiding mechanism
to cause and control the lateral displacement of
(0!. 28'—-71.5.)
.
2
_
.
4
from riding upon or overlapping previous loops
of thread thereon.
The guide a is constituted of a thread-advanc
ing device such as a reel comprising two sets of
and to prevent the thread from riding or lapping
bar members 5 and s respectively. Both sets of
upon itself. The improved guide mechanism of
bar members are supported upon a common shaft \
the present application is particularly adapted I
‘l, which is stationarily mounted upon the frame
for use in connection with arti?cial ?lament spin
of the machine. The bar members 5 are rotatably
ning machines in which it may serve to prevent
mounted as a unit upon the concentric portions
slippage of the ?lament on two such wheels be
tweenewhich it is being stretched. However, the 10 % and 9 respectively of the shaft 7. For this pur
pose, the bar membersi at their outer ends may
guide mechanism of the present invention may
be formed integrally with a web l0, whereas a
be associated with thread delivery wheels in other
disk it may be screwed into a suitable threaded
mechanisms and thread-handling machines.
bore within the rim I2 formed at the inner ends
In guide mechanism heretofore employed, any
'
broken ?laments which may contact with the 15 of the bars 5.
The other set of bar members 6 may be formed
guide tend to cling thereto and build up thereon
integrally upon a centralsleeve l3 which is rotat
and when they become sufhciently built up, they
ably mounted upon a portion ll of the shaft 1,
tend to foul the ?lamentary strands proceeding
which portion II is both inclined and offset with
about the guide mechanism. In accordance with
the present invention, the conventional rotary or 20 respect to the axis of the concentric portions 8
thread wrapped one or more times around a wheel
stationary guides heretofore employed for e?ect
and 9 respectively.
'
>
ing lateral displacement of wraps about a delivery
wheel is replaced with a threadsadvancing guide
which effects a greater thread-advancing action
As is apparent in Figure 2, the shaft 1 is pref
erably so arranged with respect to the wheel 3
riphery.
guide, preferably the outer end so' that suchcol
that only the bars 5 are in effective contact with
upon loose or stray ?laments which are'carried 25 the loops of thread which pass about the guide
and wheel, However, if any broken ?laments
about the entire periphery of the guide than it
should continue to pass about the guide, they
can upon the loops of the main body of the thread
would be advanced toward one of the ends of the '
which contacts only a portion of the guide pe
Consequently any stray ?laments are
advanced to one or the other end of the guide and 30 lected or accumulated stray ?laments may be
are thus shifted out of contact with the main
loops of thread running between the wheel and
readily removed without the-loops of thread about
the wheel and guide interfering with such re
moval. ‘A conical-shaped collar l5 pressed on the
the guide.
‘
' '
reduced-diameter outer end I6 of the shaft 7 re
The invention is illustrated in the drawing, in
which
_
-.
’
35 mains stationary and serves to collect the stray
?laments.
'
Figure 1 is a side elevation of the wheel and
While the axis of the shaft 1 is shown inclined
guide mechanism with the guide in cross secction;
and
'
I to the axis of the shaft upon which wheel 3 ro
tates, it is to be understood that the shaft ‘i
Figure 2 is a front elevation of the associated
40 could be rearranged so that the axis of the con
wheel and‘ guide mechanism.
‘, '
centric portions 8 and 9 are substantially parallel
As shown in the drawing, the thread 2 pro
to the axis of rotation of wheel 3, in which event
ceeds over the wheel 3 which may be‘ an idler
the loops of thread passing about the wheel 3 and
or may be driven by a mechanism (not shown)
the guide should preferably make contact with
and thence about the guide 4, being wrapped
around the wheel and guide 4 to provide as many 45 the bars 6 (instead of bars 5, as shown) which,
of. course, by virtue of the inclined axis of the
turns as are desired to accomplish whatever pur
portion it of shaft ‘i would be inclined with re
pose is intended, such as-to prevent slippage as
spect to the ‘wheel 3 and ‘consequently would dis
the thread is delivered by the wheel 3, or to per-. ,
mit a liquid treatment to occur on such wheel,
. place the wraps thereabout.
In either arrange
in which event a certain liquid may be sprayed 50 ment of operation, the loops of thread about the
wheel 3 and the guide 43 preferably make contact
upon the wheel. The-axis of the guide as a whole
only with one set of bars of the guide 4, whereas
may be canted with respect to the axis of rotation
any broken ?laments that tend to proceed about
oi’ the wheel, so that the wraps of thread are dis
the guide ti are operated upon by both bar sys
placed from one another as they proceed about
the wheel 3. and consequently they are prevented 55 tems. and consequently are advanced to one end
2,411,889"
3
of‘ the guide and thus displaced from the scene of
operation of the main loops of thread about'the
guide.
V it ‘therefrom, and a guide mechanism ' arranged ,
to cause lateral displacement of the 5 thread
_v
wrapped one or more times‘ about the wheel and . ‘
guide mechanism as a unit and to prevent riding . I, I
H
While a particular form of thread-advancing
guide _.is shown, any‘ thread-advancing type of
of the thread on itself, said guide mechanism com-. 4 .
-- rotor or'reel may be employed in which the bars
of one set are disposed outwardly of those of the _
other set along a de?nite portion or the path of ,
rotation of the guide as viewed from a ?xed po
sition.
10
In the claims, the word '“thread’ds to be under- .
stood in a generic sense to include ?laments, a
. multi-?lament bundle, a yarn, a'cord, or a strand
of any material.
>
prising a thread-advancing reel'having an axis in- I
clined to that of the wheel and a stationary col
lector at one end of the reel, said reel having mov
able thread-carrying means disposed peripherally
thereof, and means for imparting motion to. the
thread-carrying means comprising a component
generally parallel to the axis oi.’ the reel for effect
ing advance of'the thread axially of the reel~
Periphery.
‘
‘
It is to be understood that changes and vari 15
5. In thread guide mechanism, the combination
of a wheel for receiving a thread and discharging
ations may be made in the speci?c construction
shown without departing from the spirit and
scope of the invention as de?ned in the appended
claims.
I claim:
it therefrom, and a guide mechanism arranged to
cause lateral displacement of the thread wrapped
one or more times about the. wheel'and guide
20 mechanism as a unitand to prevent riding of the
-
1. In thread guide mechanism, the combina
thread on itself, said guide mechanism comprising '
a thread-advancing ‘reel having an axis‘ inclined
tion of a wheel for receiving a thread and dis‘
charging it therefrom, and a guide associated
with the wheel to cause lateral displacement of
to that of the wheel, said reel having movable
the thread wrapped one or more times about the 25
wheel and guide associated as a unit and to pre-
thread-carrying -means, disposed vperipherally
thereoLand means for imparting motion tojtlie
thread-carrying means comprising a component
generally parallel to the axis of the reel-for effect
ing advance of the thread axially of the, reel pe-'
vent riding of the thread on itself, said guide
comprising a thread-advancing reel having two
sets of thread-carrying bar members mounted ro
riphery, whereby. any stray ?laments clinging to
tatably on stationary axes, the axis of one set 30 the guide mechanism are subjected ‘to thread‘
advancing action in excess of that to whichthe
being o?set and inclined to that of the other,
said reel being arranged with respect to the wheel
thread proper is subjected and consequently such
so that substantially only one set of bar mem- -
filaments are laterally displaced from the thread. "
bers makes e?'ective contact with the thread
6. In thread guide mechanism, the combina
wrapped thereabout the axis of the last-men 35 tion of a wheel for receiving a thread ,and'dis
tioned set of bars being inclined to that of the
charging it therefrom, and a guide‘ mechanism
wheel.
2. In thread guide mechanism, the combination
of a rotatable wheel supported only at one end
for receiving the thread and discharging itthere
arranged to cause lateral displacement of the
thread wrapped one or more times about the
wheel and guide mechanism as a unit and to
40 prevent riding of the thread on itself, said guide
from, and a guide associated with the wheel to
cause lateral displacement of the thread wrapped
‘mechanism comprising a ‘thread-advancing reel
one or more times about the wheel and guide as
_ sociated as a unit and to prevent riding of the
having two sets of bar members and means for
imparting relative motion to the sets of bars for
thread on itself, said guide comprising a rotatable‘
effecting advance of the thread axially of the reel
thread-advancing reel supported at that end only
adjacent the supported end of the wheel and
having two sets of thread-carrying bars mounted
rotatably'on stationary axes, the axis of one set
being offset and inclined to that of the other,
said reel being arranged- with respect to the wheel
periphery, said reel being constructed and '-ar
ranged with respect to the wheel so that substan
tially only one set ofv bar members makes effec
having an axis inclined to that of the wheel and '
tive contact with the thread wrapped thereabout.
7. In thread guide mechanism, the combina
tion of a wheel supported rotatably at one end
so that substantially only one set of bar members‘
only for receiving a thread and discharging it
_makes e?’ective contact with the thread wrapped
therefrom, and a guide mechanism arranged to thereaboiit, the axis of the last-mentioned set of
cause lateral displacement of the thread wrapped
vbars being inclined to that of the wheel, ‘and the 55 one or more times about the-wheel and guide
reel being so constructed and arranged as to cause
advance of the thread toward the unsupported
mechanism asa unit and to prevent riding of the 7
thread on itself, said guide mechanism compris
ing a thread-advancing reel having an axis in
3. In thread guide mechanism, the combination
clined to that of the wheel and supported from
of a wheel for receiving a thread and discharging 60 one end only adiacent the supported end of the
it therefrom, and a guide mechanism arranged to
wheel, said reel having movable thread-carrying
cause laterall‘displacement of the thread wrapped ' means disposed peripherally thereof, and means
one or more times about the wheel and guide
for imparting motion to the thread-carrying
mechanism as a unit and to prevent riding of the
means comprising a component generally paral
end thereof.
‘
‘
thread on itself, said guide mechanism compris 65 lel to the axis of the reel for effecting advance of ,
ing a thread-advancing reel having an axis in
the thread axially of the reel periphery.
clined-tothat of the wheel, said reel having mov
8. In thread guide mechanism, the‘combina
able thread-carrying means disposed peripherally
tion of a rotatable wheel supported from one end
thereof, and means for imparting motion to the
only for receiving a thread and discharging it
' thread-carrying means comprising a component 70 therefrom, and a guide mechanism arranged to
generally parallel to the axis of the reel for e?ect
causelateral displacement of the thread wrapped
ing advance of the thread axially of the reel
one or more times about the wheel and guide '
periphery.
mechanism as a unit and to'prevent riding of the
'
4-. In thread guide mechanism, the combination
thread on itself, said guide mechanism compris
01' a wheel for receiving a thread and discharging 75 ing \a~~-~thread-advancing reel having movable
-
2,411,889
.
5
‘
thread-carrying means disposed peripherally _
thereof, and means'wfor imparting motion to the
thread-carrying means comprising a component
generally parallel to the axis of the reel for ef
fecting advance of the thread axially of the reel
periphery, said reel being rotatably mounted and
supported. at that end only adjacent the support
mechanism as a unit and to prevent riding of the
thread on itself, said guide mechanism compris
ing a thread-advancing reel having ‘movable
thread-carrying means disposed peripherally
thereof, and means for imparting motion to the
thread-carrying means comprising a component
generally parallel to the axis of the reel foref
fecting advance of the thread axially of the reel
ed end of the wheel, said reelbeing constructed
periphery, said reel_being rotatably mounted and
and arranged to be driven by'the thread proceed
ing thereabout and to advance the thread toward 10 supported at that end only adjacent the support
ed end of the wheel, said reel being constructed
the unsupported end thereof.
and arranged to be driven by the thread proceed
9. In thread guide mechanism, the combina—
ing thereabout and to advance the thread toward
tion of a rotatable wheel supported from one end
the unsupported end thereof, and a stationary
only for receiving a thread and discharging it
therefrom, and a guide mechanismarranged to 15 collector at the unsupported end of the reel.
cause lateral displacement of the thread Wrapped
one or more times about the wheel and guide
HENRY J. MCDERMOTT.
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