US1436942A - Yarn guide and tension - Google Patents

Description

s. M. CABRALI YARN GUIDE AND TENSION APPLICATION FILED JULY I2, I921. 1,436,942, 7 Patented Nov. 28, 1922,

2 SHEETS-SHEET I.

S. M. CABRAL. YARN GUIDE AND TENSION. APPLICATION FILED JULY 12,1921.

1,436,942. Patented Nov. 28, 1922.

- 2 SHEETS-SHEET 2- Patented Nov. 2%, l9

nniran rari YARN GUIDE AND TENSION.

Application filed July '12,

To all whom it may concern:

Be it known that l, Snnarnmn M. Gasman, a citizen of the United States, residing at New Bedford, in the county of Bristol and State of Massachusetts, have invented cer tain new and useful improvements in Yarn Guides and Tensions, of which the following is a specification.

My invention appertains to yarn-guides and tensions, of the character used in transferring yarn from the bobbins of ring-spinning frames, mules and the like to spoolers, twisters. winders, warpers, ballers or other textile machinery where such a device may be used.

My invention comprises a guide and tensioning device which comprises a base member or table which is attachable to a bar or rail of a spooler or other textile machine such table having therethrough a slotted aperture and adjacent to one end supports for an arm attached to an upstanding member having means for connecting thereto a roller carryingmember secured to a weighted rock shaft. the parts being assembled to provide for the adji .tinent of the upstanding member to and from the table, the pressure of the roller upon the yarn and the position of the roller relative to the portion of the rock shaft that carries a weight, as will be hereinafter set forth and claimed.

My invention consists in the construction and organization of the parts, as herein after described and illustrated by the accon'ipanying drawings, which illustrate a practical embodiment of a yarn guide and tensioning device that accords with what 1 have invented.

Figure 1 is a view showing the invention in use, the supporting bar of the spooler being in section as well as the carrier bar for spindles upon which the bobbins are placed.

F 2 is an end elevation or side view,

Fig. 3 is a plan view.

Fig. 4 is front elevation Fig. 5 is a detail section on the line 5-5 of Fig. 3.

Fig. 6 is a longitudinal section of the roller, and

Fig. 7 is a perspective view of a yarn or thread guide.

Referring to the drawings, 10 is a base or table that has a pair of spaced apart and depending lugs 11 and 12 the latter having a boss or enlargement which is aper- 1921. Serial No. 484,142.

tured and internally threaded to receive a clamping screw 13, the lugs and the-screw providing appropriate means for securing the base or table to the rail or bar of a spooler or other machine. The table 10 at a suitable distance from its front edge is somewhat thicker than elsewhere to provide on its underside a segmental boss 14 which serves as a reinforce about a key-hole slot 15, the upper face of the segmental portion thereof being recessed to receive the flange of an open eye or guide 16, which is preferably of porcelain or like material. The table is rounded to provide an entrance opening to the slot and the eye 16. From the underside of the table depends a guide 17 of the rod type, one end having an open ring and the other end being threaded for engagement with an aperture through the table, the rod from which it is formed being bent at right angles as shown, to locate the ring in line below the vertically slotted eye 16.

An upstanding plate member 18, is provided adjacent to one side with a forwardly extending arm 19 which is apertured horizontally for the passage of a pivot pin which is carried by the upward extending lugs 20 located adjacent to one side of the table 10, and on opposite sides of the pivot pin the arm has therethrough threaded and vertically disposed apertures for the reception of adjusting screws 21, which contact with the upper surface of the table, and provide means for varying the distance of the lower straight edge of the plate member 18 toward and away from the table to vary the width of the slot through which the yarn or thread is passed on its way to the spool. The arm 19 has a horizontal aperture 22 formed therethrough and in line there-- with the plate 18 carries forward projecting lugs or bearings 23, for a rock shaft 24 to which is attached an adjustable weight 25, said rock shaft having an intermediate bend which positions the members thereof at substantially right angles one to the other.

The roller carrier comprises a yoke 26. having a laterally extending end portion through which is passed one of the end portions of the rock shaft and to provide for adjustment of the yoke relative to the weight there is present a set-screw which is carried by the yoke to impinge upon the rock shaft between the bearings 23. The

yoke 26 has a forked forward portion, of such construction as to provide bearings for a roller 27, which roller is formed'with a cylindrical central portion and with conical ends, the roller 27 is provided with a suitable bushing 28 and is mounted between the forks of the yoke for rotation upon an appropriate shaft or pin.

The table and the upstanding plate are of such shape as to avoid sharp edges, the roller is of suitable metal and the pressure thereof upon the yarn may be varied, to change the tension, either by changing the position of the yoke and its roller relative to the rock shaft or by changing the position of the weight. The yarn passage be tween the surface of the table and the lower edge of the plate carried thereby may be readily adjusted to function as a yarn scraper and slug catcher, and with the device described a single weight provides adequate means for different tensions.

I claim.

1. In a yarn guide and tensioning device, a base provided with a pair of upward extending lugs, an eye for the yarn and means for attaching the base to a support, a mem ber provided with an arm that is maintained between the upward extending lugs, means carried by the arm for engagement with the base plate to vary the position of the arm, a plate carried by the arm, said plate being provided with lugs that project therefrom, a weighted roclnshaft maintained by said last mentioned lugs and a roller carrying member associated with the weightel rock shaft.

2. In a device of the type shown, comprising a base plate provided with an eye, a roller maintained so that its central portion will be in line with the center of the eye, a weighted arm associated with the roller and means for varying the position of the weight relative to the roller.

3. In a device for the purpose set forth, a base having an eye, a member associated with the base plate to provide a variable yarn passage, a roller associated with said member by means of a weighted arm and means for varying the relative position of the roller and the weight to vary the pressure of the roller upon the yarn.

a. In a device for the purpose set forth, a base provided with attaching means on one side and on the other side with means for associating therewith an adjustable arm from whichextends a plate, a roller carrier arm which is pivotally connected with the latter plate, a bent arm provided at one end with a weight the other end being connected with the roller carrying arm and a roller carried by the roller carrier arm.

fiERAPHINE M. CABRAL.

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