US439339A - Drawing mechanism for spinning-machines - Google Patents

Description

(No Model.)

' 3 B. L. BAILEY. DRAWING MECHANISM FOR SPINNING MACHINES No. 439,339. Patented Oct. 28, 1890:

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BENJAMIN L. BAILEY, OF DANIELSONVILLE, CONNECTICUT.

DRAWING MECHANISM FOR SPINNING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 439,339, dated October 28, 1890.

Application filed January 14, 1890. Serial No. 336,930. (No model.)

. connection with the accompanying drawings,

is a specification, like letters on the drawings representing like parts.

This invention has for its object to provide the lower front roll of the usual set of rolls of a spinning-machine with an adjustable hearing, whereby the right position of the front rolls with relation to the middle and back rolls may be maintained, notwithstanding wear of the parts, as will be described. In practice, in ordinary spinning and drawing frames, the journals of the lower front roll after continued use out into their bearings, so that it fails to occupy the proper established position with relation to the middle and back rolls, and owing to such change the twist is more or less altered as to its uniformity. To overcome any defects due to the wearing away of the journal of the lower front roll and the consequent descent of the periphery of the said roll, I have provided the journal thereof with an adj ustable bearing.

Figure 1 in section and elevation represents part of the frame of a spinning or drawing frame with a set of rolls thereon, the lower front roll being shown as mounted in an adjustable bearing. Fig. 2 is a top or plan view of one of the roller-stands with the rolls removed. Fig. 3 shows top, rear, and bottom views of one of the bearings for the lower front roll. Fig. 4 is a broken-out plan view on a small scale, showing one form of gearing for connectingthe various rolls in the set; and Fig. 5 is a diagram of the same form of gearing to rotate the rolls.

The frame A, the roller-stand B, the front rolls a a, the middle rolls 1) b, the back rolls 0 c, the saddles cl (1, the bearing f for the journals of the middle and back rolls, the gear 6, fast on the shaft of the lower front roll a, and gearing into the intermediate e, mounted on a stud e the pinion 6 fast to the said intermediate land engaging the gear 6 fast on the lower back roll 0, the gear e (shown by dotted lines in Fig. 5) at the opposite end of the lower front roll, the intermediate gear 6 engaged by it, the said gear being mounted on a stud 6*, (shown by dotted lines, Fig. 5,) the pinion e fast to the gear e and engaging the gear a fast on one end of the lower middle roll b, are, or may be, all as is usual in spinning-frames.

Instead of the gearing shown for connecting together and rotating the various rolls with the proper difierence in speed, I may use any other well-known form of gearing.

The proper differencein speed having been established and the surfaces of the top rolls having been brought into proper position with relation to the middle and back rolls, it is desirable and necessary for the best result that the said lower front roll maintain its established relative position so long as theycontinue to run; but this position varies as the journals of the lower front roll wear away, for then the surface of the roll by descending occupies a lower position. To compensate for this change of position of the lower front roll, I have provided the journals of the lower front roll with adjustable bearings, one of said bearings being shown in the drawings, there being a like bearing for each journal. Each bearing g is provided with an adjusting device h, shown as a screw (see Fig. 1) passed up through a part of the stand B and acting against the under side of the bearing, rotation of the said screw adjusting the said bearing 9 vertically to compensate for any wear between it and the journal of the lower front roll Ct, resting upon it. This provision for adj usting the bearing g enables the peripheries of the rolls to be kept at the same level entirely across the frame, to thus insure uniformity in results.

To prevent end or longitudinal movement of the bearing g, I provide it with a projection g, which enters a notch 4 (see Fig. 2,) in an upright or web m, and to enable the journal of the lower front roll to always be maintained centrally with relation to the adjustable bearing g, I have concaved or beveled inwardly from its edges the upper side of the said bearing, as best represented at g in Fig. l.

I do not broadly claim an adjustable bearing, but prior to my invention I am not aware that a front roll in a spinning or drawing frame has ever had a vertically-adjustable bearing.

I claim 1. The roller-stand, the middle and back rolls, and the front rolls, combined with separate bearings for the lower front roll, gearing to drive the said rolls, and adjusting devices to Vertically adjust the bearings of the front roll, to operate substantially as described.

2. A roller-stand and the lower front roll having journals, combined with verticallyadj ustc ble bearings for the said journals, the said bearings having concaved surfaces to receive the said journals, and adjusting devices for the said bearings, substantially as described.

3. The roller-stand having the upright or Web m, and the bearings for the lower front roll, the said upright and bearing being connected by a projection on one entering a slot on the other, as described, combined with an adjusting device for vertically adjusting the said bearing, to operate substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

BENJAMIN L. BAILEY.

Witnesses:

ARTHUR A. DEAN, BENJAMIN A. BAILEY.

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