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Jan. 7, >1947. I.
Filed Feb. I, 1945
2 Sheets-Sheet 1
' Jan. 7, 1947.
H. J. sMrrH
Filed Feb. l, _1945
2 Sheets-Sheet 2
Patented Jan. 7, 19.47
Herbert J. smith, west Warwick, n. 1.,*ass1gnor to
`U. S. Ring Traveler Company, Providence, R. I.,
a corporation of Rhode Island
~ « Application February 1, 1945, seriaiNo. 515,612
- 4 Claims.
This invention relates to improvements in ring
and traveler structures and more specifically to
(ci. 5'1-119)
stant‘regardless of speed ~oi.’ travel or diameter
of the spool. In Fig. 2 there is illustrated at A
the contour-of the inner portion of the conven
tional- cone ring. This portion of the ring'is
essentially a restriction defining the maximum
at the same time prevent unnecessary chattering
yarn spool diameter as` at B. Inasmuoh as the
of the traveler.
larger diameter of the spool permits the accumu
One of the main objects of this invention is
lation of a relatively large mass of yarn, any
to provide a three-point bearingfor a traveler
permitting a larger spool diameter
and at the same time provide a cooperation ring
providing clearances enabling maximum diameter 10 is of substantial importance. To this end the
Apresent ring includes the outer flange 3, hereto
of the yarn spool.
fore mentioned, the annular downwardly facing
Another object of this invention is to maintain
4', the upwardly and inwardly tapering
the traveler in a constant and unvariable circuit
conical face 5, the vertical intermediate bearing
whereby thread tension is eliminated.`
Another object is to uniformly distribute vthe 15 face 6, and the relatively narrow top bearing face
.1 reduced as at 8 to define the shoulder 9. The
wear on the traveler regardless of the critical
top bearing face 1 and the vertical bearing face
relative movements between the parts, this being
6 are connected by the outwardly and upwardly
accomplished by the provision of an intermediate
inclined annular wall portion II), this structure
bearing between the usual free end bearings, this
intermediate bearing also substantially dampen 20 providing suitable and desirable clearance for
the yarn and permitting an increase in the yarn
ing vibrations present in such structure.
diameter to a point indicated by reference char
Other objects reside in results obtained by the
acter B’. Thus not only is a greater yarn spool
speciñc contour of the ring and traveler and the
but three bearing surfaces are provided
relationship between these parts.
Reference will be had to the accompanying ~ for the traveler, namely the relatively narrow
an'nular >substantially flat upper surface 1, the
drawings, forming a part of this specification, and
vertical inner wall surface 6 and the conical wall
wherein like characters of reference designate
surface 5, the vertical wall 6 and conical wall-5
corresponding parts throughout the several views,
merging at the annular edge Il while the wall 'I
in which:
Fig. 1 is an enlarged vertical section through 30 is spaced from the vertical wall 6 by the inclined
annular wail surface portion I0.
the improved ring, with a traveler in position.
The traveler includes the elongated inclined
Fig. 2 is an enlarged fragmentary sectional
leg I5 which terminates its free lower end in
view showing the conventional ring structure in _
the' hook-shaped horn IB, while its upper end is
dotted line with the outer spool diameters indi
bent to provide the vertical intermediate portion
Il. ’The upper end of the vertical intermediate
Fig. 3 is a side view of one form of my traveler'.
portion I'I is curved `slightly to form the loop on
Fig-s. 4, 5, 6 and '7 are side views of modified
eye I8, the latter being illustrated as off-set in
‘ forms of the traveler, and ' wardly, with its thread bearing face I9 spaced
Fig. 8 is a fragmentary vertical section show
40 slightly inward of the inner face I1’ of the ver
ing a modified form of travelervand ring.
tical intermediate portion I1. ' The traveler ele- '
With'particular reference now to Fig. 1, there
ment after defining the loop I8 is bent in a hori
is illustrated the ring support I having the hori
zontal ring supporting shoulder 2, upon which . zpntal plane to provide bar 20 _and terminates in
the downwardly `inclined horn 2|. The horn 2|
rests the downwardly extending flange 3 of the
ring 4, illustrated as of the cone type, such as 45 is spaced inward of the horn I6 and the leg 22
depending from the bar 22 to form the horn is
shown in British Patent No. 9,166 of April 23.
at an angle substantially more acute than the
1903. Generally this type of inwardly flaring or
angle of the inclined leg I5. The yarn is indi-A
cone ring is well known in the art, the present
cated at b and passes through the loop or eye I8
improvements residing in details of construction
and in the provision of Iclearances -that not only 50 as shown.
-In Fig. 4 a. slightly modified structure is
permit greater yarn spool diameters, but also fa
shown, i. e., the loop for the yarn is eliminated,
cilitate the bearing contact to the end that vibra
the yarn travelling in the curve of the elbow C.
tion or chattering ofthe ring is eliminated and
The elongated leg l5, vertical intermediate por
the ring life is greatly extended. In addition the
tion I1 and arm bar 20 forming the three bearing
thread tension is maintained substantially con
the construction and arrangement of such parts '
so as to permit maximum size yarn packages and
points contacting with the three bearing faces
l. 8 and 1 of the ring illustrated in Figs. 1 and 2.
In Fig. 5 the loop D for the yarn is provided,
similar to the structure of Figs. l and 2, however,
the horizontal bearing bar 2li is substantially
frictional and-centrifugal forces present- are in
direct proportion to the pull of the yarn so that
at no one part of the traveler is there any tend
ency of the traveler to chatter and~thus cause
damage to the yarn. In fact the horns I 6 and
2| ,are not in actual operation in contact with
any of the associated parts so as 'to prevent any
elongated so that the horn 2|’ extends beyond
the horn I8. Fig. 6 corresponds to the structure
of Fig. 5 with the yarn loop D'ellminated. In
to cant. ~On the contrary the three
Fig. 'l the loop E corresponding to the' yarn loop i tendency
bearing faces 5, 6 and 1 of the ring and I5. il
D is again provided. however, in this development 10 and 20 of the‘traveler move substantially in en
straight horns I6' and 22 are illustrated. In all
gagement at all- times. for the reasons hereto
of these forms of the invention the traveler pro
fore set forth.
vides a three-point bearing. and the bearing
What I claim is:
faces of the arm and intermediate bearing may be
1. In a spinning ring having a relatively wide
slightly flattened as shown.
15 conical area,'an upright portion, an outwardly
It will be obvious to one skilled in the art that
inclined annular face and an upper `surface merg
the present. traveler in all of its modifications
said angular face at its inner marginal
comprehends the use ofthe yarn drag _and- cen
edge, a traveler for said _ring having a leg por
trifugal force to secure an equally balanced travel
on the ring, the latter being modiñed medially 20 tion for engagement with said conical area, a -A
medial portion engaging said upright ring por
to provide for a substantially enlarged spool and
and a top bar for engaging said upper sur
at the same time to properly distribute the fric
face, said conical area. and leg being so con
tionall bearing forces corresponding to the in
structed and arranged that centrifugal force will
herent characteristics of the assembly. It will be
noted by reference to Figs. 1 and 2 that the cen 25 maintain the medial portion and top bar of said
traveler in frictional contact substantially equiv
trifugal force which primarily is active in the
aient to the frictional contact between said leg
plane of the conical surface 5 and between this
surface and the arm I5, is restricted by the ver
tical- bearing surface 0 and the frictional en
and conical area.
2. In a spinning ring having a relatively wide
gagement between this surface and the upright 30 conical area, an inwardly facing medial portion
medial portion il of the traveler. In fact the
and an outwardly inclined annular upper face,
pull of the yarn. the available centrifugal force. I atraveler for said ring having a leg portion for
and the three relative frictional areas.- are so
engaging said conical area, a medial portion en
proportioned that the ring traveler is found to
substantially float in its normal vertical posi
gaging the medial portion of said spinning ring
and a top bar for engaging the outwardly in
clined portion of said ring, said ring and traveller
tion, thus greatly relieving the lubricating
problems normally present in such assemblies.
Further the tension of the yarn can be safely cal
culated and provision made for this tension by
a. proper selection of traveler. In the prior art 40
it was found to be objectionable to provide only
two bearing faces as the great centrifugal force
present was inclined to cause a wedging action
between the inclined arm and horizontal bar as
being so constructed and arranged that cen
trifugal force will maintain the medial portion
and top bar of the traveller in direct contact and
with the frictional resistance substantially equiv
aient to the frictional resistance between said leg
and conical area.
3. A traveler for use with a spinning ring com
prising a medial vertical bearing portion for re
these parts are urged against the adjacent bear 45 sisting lateral movement, a lower bearing area
ing faces of the ring. .In the present assembly
formed by an outwardly inclined leg, said leg ter
any such tendency is eliminated by the use of the
minating in a hook portion, and a top bearing
vertical medial traveler area acting upon the ver
area formed by a horizontal bar extending later
tical ring face. Thus a three-point contact
ally of the medial vertical portion, said bearing
traveler is provided which utilizes all of the forces 50 portions being so constructed and arranged as
present in the most economical manner to permit
to uniformly distribute the resultant friction and
heretofore unknown speed in travel without any
wear present during operative association of the
defective results to the yarn.
traveler with its ring.
It will be noted in the present assembly that
4. The substance of claim 3 characterized in
the inclined or conical area "5 of the ring 4 is 55 that the outwardly inclined leg and horizontal bar
substantially greater than either the vertical
are connected by an inwardly oiîset strand loop.
medial bearing area i or the. top bearing area ‘l
on which the bar 2li of the traveler races. The
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