Jan. 7, >1947. I. ,l H, J. SMITH Y 2,413,930 :une AND TRAvBIßR Filed Feb. I, 1945 2 Sheets-Sheet 1 ' Jan. 7, 1947. H. J. sMrrH ¿4196930 RING AND, TRAVELER Filed Feb. l, _1945 Z0 l' ì 2 Sheets-Sheet 2 ' 2,413,930 Patented Jan. 7, 19.47 UNITED 'STATESv PATENT 'orrlca 2,413,930 RING AND TRAVELER 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 ' , e - 4 Claims. ‘l This invention relates to improvements in ring and traveler structures and more specifically to (ci. 5'1-119) . 2 ’ . » 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 improvement 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 channel 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 possible 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 35 cated. ' 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 attacco 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. Y 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 ingwith 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 tion 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 HERBERT J. SMITH.