USRE5295E - Improvement in fliers for roving and spinning frames - Google Patents

Description

MAYOR. Flyers for Rovingand'Spifinin g-Frames.

No. 5,295. Reissued Feb.25,l873.

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67%WV/5W' "UNITED STATES THOMAS MAYOR, orPRovIDEuoE, nuonn ISLAND.

IMPROVEMENT m mess ron Rovme AND sPmNme FRAMES.

' Specification forming part of Letters Patent No. 110,260, dated December 20, 1870; reissue No. 5,996, dated February 25, 1873.

To all whom it may concern:

, Be it known that I,\THOMAS MAYOR, of the city and county of Providence, and State of Rhode Island, have invented a new and useful Improvement in Fliers; and I do hereby declare that the following specification, taken in connection with the drawing makin g a part of the same, is a full, clear, and exact description thereof.

vices for holding the roving or yarnby friction before the yarn enters the orifice of the side tube of the flier, to enable the yarn lying between the point where it is so held and the delivery-rollers to receive a uniform twist. Letters Patent for an improvement in fliers, involving the employment of devices for this end, were granted to me under date of March 21,1865, and this inventiouis an improvement thereon. This invention consists in a means for applyiugfriction to the roving at a point near the junction of the bows of the flier, at the lower extremity of the neck, whereby the portion of roving which is being twistedthat is to say, that portion which is held between the bite of the delivery-rolls and the point where the friction is applied-will occupy a line nearly coincidentrwith the axis of the neck of the flier.

The most convenient way of employing the invention is exhibited in the drawing, especially in case fliers of old construction are to be supplied with the improvement; and it consists in extending the neck of the flier by means of a tube or equivalent'device below the neck proper or point of junction with the bows, and furnishing such extended neck with a latcralorifice to allow the yarn to be conducted partially around the outside of such tube before being conducted into the side-de- V livery tube.

. A, Fig. 2, is a tube, which may be of metal, glass, or other preferred material, andis to be inserted in the hollow axis of the neck of the flicr, as seen at Fig. 1. Near the lower cndof this tube an orifice, a, is made in its side, the

Forconveniencc in piecing up, a slit, 0

location of which should be suchas to give I that portion of the roving which is between the bite of the rolls and such friction-surface. should be cut from the bottom edge of the tuhe A to the orifice a.

Those practically acquainted, with operating machinery for spinning yarn will understand the advantages of the improvement described.

It is well known that the twist is put into the yarn between the neck of the flier us ordinarily constructed and the drawing rolls. It

is also as well known that the drawing or delivery rolls are placed above and more or less to the rear of the line of fliers in the frame. By way of example, it will be presumed that a flier be in use having a single aperture in the side of the neck The roving extends from the bite of the rolls to the neck of the fliers, passes through the said aperture partially around the neck, thence to the mouth of the flier-tubes.

It is evident that the distance between the bite of the rolls and the inside edges of the neck of the flier varies while the flier is in rotation to the extent of its inside'diameter, so

that when the aperture be on the side furthest from the rolls the roving is taut, and when, by the revolution of the flier,the aperture is brought to the side adjacent to the rolls, the

rovin g is slackened, the difl'ei'ence between the length of the roving under the two conditions being about-equal to the diameter of the inside of the neck of the flier.

This alternate tightening and loosening of the roving as the flier revolves gives a certain wabblin g motion to the yarn or roving, and is exhibited in the appearance of a mazy cone, the base of which is at the neck of the flier and the apex at the bite of the rolls. With my improvement there is no such alternating, as the roving is always in a direct line from the bite of the rolls to that inside edge of the tube in the neck of the flier which is adjacent to the rolls, therefore there is a greater degree of regularity, and more firmness to the twist given by my improved flier than by any other kind known to me. Q

tween the bite of the rolls and the contact. at the aperture near the lower end of It'wm also be readily understood that the neck of the tube constitutes an intermediate frictional point of contact with the am hefictional the tube; therefore between the said deliveryaperture and the rolls there exists two difiercut qualities or degrees of twist, that portion of the yarn between the said aperture and. the neck of the tube being more firmly twisted than that portion between the neck of the flier and the rolls and it is owing to this fact that I am enabled with my improved flier not only to obtain a superior degree of twist, but to wind the roving or yarn with greater solidity upon the bobbin than has, as I believe, been heretofore accomplished with any of the fliers in general use. Beside this the operator is no more embarrassed in men ing broken ends than in the use of fliers of old construction,-

not having the frictional apglication.

It is quite obvious that evices which will perform all the functions of the (extended tube described can be used as a substitute therefor-as, for example, a wire with a hooked end'or split leading eye can be attached to the under side of the neck of the flier, and effect substantially the same result when the yarn is made to drag over its surface in being led to the delivery-tube. Some advantage would exist in this device over the tube described from the fact that the wire could be so shaped as to cause the yarn while twisting to stand: in a line almost coincident with the axis of the neck of the flier.

, What I claim as my invention, and desire to secure by Letters Patent, its-,-

That improvement in the construction of fliers which consists in the combination of the hollow tube A, or its equivalent, formed through the whole length ofthe axis of the neck of the flier, a friction-surface, a,'located' at or near the junction of the bows B B with thefliers neck, and the side-delivery tube b in one of the bows, substantially as described;

, THOMAS MAYOR. Witnesses: v

0. DONHOE,-

- Q-Pearmrm.

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