US1749460A - Swift - Google Patents

Description

March 4, 1930. E. R. ALDERMAN 1,749,460

SWIFT Filed Sept. '7, 1928 2 Sheets-Sheet 1 IN VEN TOR,

1 March 4,1930. E. R. ALDERMAN 1,749,460

SWIFT Filed Sept. 7, 1928 2 Sheets-Sheet 2' IN V EN TOR.

I A TTORNEYS.

Patented Mar. 4, 1930 EUGENE R. ALDERMAN, OF SOUTH HADLEY, MASSACHUSETTS SWIFT Application filed. September 7, 1928. Serial No. 304,540.

My invention relates to collapsible swifts such as are used for supporting skeins of yarn in various winding operations. One object of the invention is to provide a swift 5 of this character which will be compact and self-contained and will offer no parts upon which the yarn may catch. A further object is to provide a swift which may be readily collapsed and which at the same time is substantially rigid when in. operation.

Other and further objects will appear from the following description and claims.

Referring to the drawings Fig. 1 is an elevation of a swift embodying 15 my invention;

Fig. 2 is a section at one side thereof on an enlarged scale; a

Fig. 3 is a view similar to Fig. 2 but showing a central section;

Fig. 4 is a side elevation of the swift in we panded position; and

Fig. 5 is a similar view showing the swift collapsed.

The swift is carried by a hub structure comprising a supporting shaft to which are fixed spaced hubs 11. Surrounding both of the hubs and rotatable thereupon is a sleeve 12. This sleeve bears sockets 13 into which are set arms 14, arranged incircumferentially spaced pairs. It will be noted that these arms extend substantially radially outward- 1y, but that they diverge from each. other as they recede from the sleeve.

In each of the hub members 11 are formed sockets 15 adapted to receive arms 16 extending outwardly through slots 17 in the sleeve. These latter arms 16 are arranged in pairs similarly to arms 14 and in the normal operation of the device are spaced intermediate the arms 14 as shown in Fig. 4. The inner ends of the arms 16are preferably somewhat more widely spaced than the arms 14 with the angle of divergence somewhat less so that the outer ends of both sets of rods are substantially in circumferential alignment. A spring 18 is secured by a screw 19 to the shaft 10 and by a screw 20 to the inside of the sleeve 12. This spring gives to the sleeve a constant tendency to rotate so that the rods 16 are kept at the ends of the slot in which they are shown in Fig. 2.

When it is desired to collapse the swift, a pair of arms (indicated by the brackets in Fig. 2) are grasped by the operator so that relative rotation of the sleeve and hub structure is caused. The rods 16 are thereby shifted to the opposite ends of the slots 17 and the spring 18 is placed under additional torsional strain.

Preferably one or both of the sets of arms 14 and 16 are set non-radially with respect to the hubs and sleeves. In the case shown, the arms 16 are non-radially set. The purpose of this is to bring the ends of the arms 14 and G5 16 into substantial alignment when the swift is contracted as shown in Fig. 5 without requiring the slots 17 to be extended close enough to the sockets 13 to weaken the structure or to cause interference between the inner ends of the two sets of arms. Upon release of the arms the spring will force the apparatus back into the position of Figs. 2 and 4 in which the swift is expanded. It will be understood that suitable wires or cords 25 may be bridged between opposite arms of each pair in the customary manner to support the yarn.

What I claim is:

1. A swift comprising a hub structure, a sleeve surrounding the hub structure and rotatable thereon and formed with circumferentially spaced pairs of slots, pairs of arms spaced circumferentially about the sleeve and secured thereto, pairs of arms secured to the hub structure and extending through the slots in the sleeve, and a spring connection between the hub structure and the sleeve tending to hold the hub-secured arms at one end of the slots and spaced evenly between the sleeve-secured arms while permitting the hub structure to be rotated relative to the sleeve to bring the hub-secured arms adjacent the sleeve-secured arms.

2. A swift comprising a supporting shaft, spaced hubs secured to the shaft, a sleeve rotatable upon the hubs and formed with circumferentially spaced pairs of slots, pairs of arms spaced oircumferentially about the sleeve and secured thereto, pairs of arms seme cured to the hubs and extending through the slots in the sleeve, and a spring coiled between the shaft and the sleeve tending to hold the hub-secured arms at one end of the slots and spaced evenly between the sleevesecured arms while permitting the hubs to be rotated relative to the sleeve to bring the laub- I secured arms adjacent the sleeve-secured.

arms.

3. A swift comprising a hub structure, a sleeve surroundiii-gthe hubstructure and re tatable thereon and formed with circumferentially spaced pairs of'slots,-pairs of arms secured to and spaced circumf er-entially about the sleeve, pairs or arms seured'to the hubstructure and extending'throughthe slots in the sleeve, the sleeve-supported arms and the"hub-supported arms. being spaced from each -other axially? and circumferentially at their inner ends andjin substantial-circumferential alignment at their outer ends, the arms of 'at least one setbeingnon-radially mounted, and a spring connection between the hub structure a-nd'tlie' sleeve tending to holdthe hub-secured arms at one end of the slots? and spaced; evenly between the sleeve-secured arms-whilep'ermitting the hubstructureto be rotatdrelative to'thesleeve tobring the hubsecured arms adjacent the sleeve "secured arms. r

In testimony whereof Ifhave afiixed "my signature. L EUGENE R. ALDERMAN.

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