US2064548A - Ring traveler - Google Patents

Ring traveler Download PDF

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Publication number
US2064548A
US2064548A US97840A US9784036A US2064548A US 2064548 A US2064548 A US 2064548A US 97840 A US97840 A US 97840A US 9784036 A US9784036 A US 9784036A US 2064548 A US2064548 A US 2064548A
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Prior art keywords
ring
traveler
shank
head
yarn
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Expired - Lifetime
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US97840A
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Oliver B Land
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U S Ring Traveler Co
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U S Ring Traveler Co
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Priority to US97840A priority Critical patent/US2064548A/en
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H7/00Spinning or twisting arrangements
    • D01H7/02Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52Ring-and-traveller arrangements
    • D01H7/60Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/604Travellers

Description

O. B. LAND RING TRAVELER Dec. 15,, 1936.
Filed Aug. 25, 1936 awe/whom G/IQWBLZIaJ'I Patented Dec. 15, 1936 UNITED STATES RING TRAVELER Oliver B. Land, Athens, Ga., assignor Ring Traveler Company, Providence,
corporation of Rhode Island Application August 25, 1936, Serial No. 97,840
5 Claims.
This invention relates to improvements in ring travelers, of the vertical type of travelers adapted for use in twisting machines, and of such construction as will avoid and overcome objections to ring travelers heretofore in general use.
The present invention is particularly adapted for use in twisting machines wherein silk or rayon is being handled, although it is equally valuable in the handling of various kinds of yarn, and is especially adapted for use in the high speed twisting, spinning, and throwing of various textile fibers. Prior to the development of the present traveler the 'rate of speed or revolutions per minute of the traveler at which spining, twisting and throwing spindles could satisfactorily be operated had apparentlynot been reached.
The present traveler, due to its peculiar design or shape operates satisfactorily at speeds far in excess of the number of revolutions ever before attained.
This increase in the number of revolutions per minute is accomplished by the present traveler, due to the longer shank or back thereof extending above the ring, on which it runs before it is bent to form the top or horn portion of the traveler. The added length allows the fiber to run just above the top of the ring rather than opposite it, and provides much greater leverage for the fibers inside pull to offset the centrifugal or outward force which pushes the traveler against the inside of the ring. This equalizing of the opposing forces lessens the friction caused by the traveler dragging against the ring, thus reducing traveler wear and increasing the life of the ring.
Again, the traveler in running free, with no drag, gives a constant tension and even twist to the fibers passing through it, insuring the best possible results atany desired operating speed.
The travelers long back or shank and wide head allows of free passage of the fibers slightly above the ring, eliminating largely the soiling of the fibers by the lubrication used on the rings and lessening the generation of heat due to friction by more widely separating the points of contact.
The present traveler, due to distance apart of the contact with the ring, insures a minimum of friction and thus enables the use of a heavier traveler and, at the same time, attains the desired tension from the weight of the traveler,
rather than from friction, and eliminating excessive ring and traveler wear.
In manufacturing yarns with the vertical type of traveler, the yarn automatically finds and travels through the highest free space of the traveler and at this point two forces arein opposition to each other; the pull on the yarn exerting a force tending to pull the traveler away from the bobbin toward and against the ring, thereby creating friction. Of these two forces the centrifugal force is usually the stronger and greater force. The present traveler was designed with-the high shank so as to obtain additional leverage for the yarn force and to aid it in overcoming the centrifugal force.
It follows, therefore, that this result being obtained, the traveler will have a tendency to float around, rather than drag around, the ring. The yarn will derive its tension from the weight of the traveler and not from the friction of the traveler, thereby eliminating trouble with broken filaments caused by jerky frictional drag of the traveler against the ring.
With the foregoing and other objects in view, the present invention consists of an improved construction of high speed traveler of the vertical type, which will be more fully described and particularly pointed out in the appended claims.
In the accompanying drawing, wherein corresponding numerals are used to indicate corresponding parts in each of the several views,
Fig. 1 is a sectional view of a ring with the present traveler located in position thereon, with the yarn under tension.
Fig. 2 is a sectional view of a ring illustrating the traveler in side elevation, with the yarn not under tension, and
Fig. 3 is a perspective view of the traveler.
I designates a ring of the usual form for machines of this character provided with the usual lubricating groove II, and I2 the bobbin or spool on which the yarn is being wound, said ring being raised and lowered by the usual traverse mechanism in such means.
The traveler, as shown in perspective in Fig. 3 comprises a front portion H which encompasses the lower edge of the ring l0, and has a shank portion l3 which extends inwardly and upwardly to a point I4, where it merges with the horn or top portion l 5 of the traveler; said horn or top portion 15 extending downwardly from the point I4 and terminating in a portion bent sharply downwardly, as at l6, for engagement with the outer surface of the ring.
The main feature of the present traveler is the provision of a shank of such a length that it extends above the upper edge of the ring and at all times is above said edge of the ring, inasmuch as the point of contact of the head or top portion with the ring is considerably lower than the upper end of the shank.
The advantages in the use of such a traveler will be obvious from the opening statement herein, and it will be readily seen that in operation the traveler is held, as shown in Figs. 1 and 2, whether the yarn is under tension or slack, with the upperend of the shank of the traveler above the upper edge of the ring and away from the inner surface thereof, thus providing a loop of considerable size through which the yarn passes, and thereby obviously avoiding any tendency of the yarn becoming soiled by reason of grease or oil, either on the traveler or thrown by centrifugal force from the inner face of the ring where such lubrication is usually and generally applied.
It will also be seen that in the use of the present traveler considerable friction is avoided, due to the fact that the traveler only contacts with the ring at the bottom of the ring, and on the outer face at the upper edge of the ring, thereby reducing friction and heat necessarily generated thereby.
It will also be seen that the traveler, whether in use or not, as shown respectively in Figs. 1 and 2, has the upper end of the shank considerably above the upper edge of the ring, always being held spaced away from the inner face of the ring, as well as above the upper edge thereof.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
1. A ring traveler for vertical twister rings, formed with a foot, a shank extending inwardly and upwardly therefrom and merging into a head or horn portion, said head or horn portion extending downwardly at an angle to said shank portion and in the same direction away from the shank as the foot.
2. A ring traveler for vertical twister rings formed with a foot for engagement with the, lower edge of the ring, a shank extending inwardly and upwardly therefrom, a head or horn portion provided with a downwardly extending portion for engagement with the outward face of the ring, the point of merger of the shank with the head being at a point away from and higher than the ring-engaging portion of the head.
3. A ring traveler for vertical twister rings, formed with a foot for engagement with the lower edge of the ring, a shank extending upwardly therefrom and merging in a head or horn portion, said head or horn portion being formed with a downwardly extending portion for engagement with the outer face of the ring, said head portion extending downwardly from the point of merger to the ring-engaging portion.
4. A ring traveler for vertical twister rings, formed with a foot for engagement with the lower edge of the ring, a shank extending upwardly therefrom, a head or horn portion extending downwardly from the upper part of the shank to the part thereof that engages the outer face of the ring, whereby an enlarged loop is provided through which the yarn passes at a point above and away from the upper edge of the ring.
5. A ring traveler having a foot, a shank, and a head portion, the free end of the head adapted for engagement with the outer face of the ring, and the shank of a length whereby the inner end of the head is spaced above the upper edge of the ring when the traveler is at rest on the ring.
OLIVER B. LAND.
US97840A 1936-08-25 1936-08-25 Ring traveler Expired - Lifetime US2064548A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077727A (en) * 1959-05-13 1963-02-19 Coats & Clark Plastic traveler having a wearresistant section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077727A (en) * 1959-05-13 1963-02-19 Coats & Clark Plastic traveler having a wearresistant section

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