US625154A - Spindle-bearing - Google Patents

Description

- No. 625,!54. Patented May l6, I899.

' G. 0. DRAPEB.

SPINDLE BEARING.

(Application filed Nov. 14, 1898.)

(No Model.)

'N NT K- qfo e ODrajber M MT? WITNESSES- REVS PEFER$ co.. mom-Lima, WASH NITED STATES GEORGE 0. DRAPER, OF'HOPEDALE,

MASSACHUSETTS, ASSIGNOR TO THE DRAPER COMPANY, OF SAME PLACE AND PORTLAND, MAINE.

'SPINVDLE- BEARING.

SPECIFICATION forming part of Letters Patent No. 625,154, dated May 16, 1899.

Application filed November 14, 1898- Serial No. 696,329. (No morleLl To all 1071 0712 7112 may concern:

Be itknown that I, GEORGE O. DRAPER, of Ilopedale, county of lVorcester, State of Massachusetts, have invented an Improvement in Spindle-Bearings, of which the following description, in connection with the accompanying drawings, is a specification, like letters and numerals on the drawings representing like parts.

This invention relates to spinning-spindles of the type having a tapering pintle to fit a correspondingly-tapered bore in a bolster, the proper fit being effected by vertical movement of the holster; and my invention has for its object the production of a novel bearing, step, and adjusting means for the bearing.

In carrying out my invention I employ a non-metallic bolster impregnated with an antifriction compound and a metal step for the spindle, the bolster being adj ustably supported by a novel device governed by the step.

Figure 1 is a vertical sectional view of a spindle-bearing embodying one form of my invention. Fig. 2 is a detached perspective view of the bolster-support, and Fig. 3 is a sectional detail of the lower end of the bolster.

'In the course of my experiments with nonmetallic bolsters impregnated with an antifriction compound, intended for use with a spindle without oil, it. has been found practically impossible to provide a proper stepbearing, as the wood of which the bolster is made will wear away rapidly when used for a step, and in the device to be described I have overcome this difficultyin a simple and highlyeffective manner.

The spindle S, having a tapering pintle to fit a correspondingly-tapered bore in the bolster, the bolster case A, having its lower end exteriorly threaded to receive the usual nut B to retain it on the rail 0, and the sleevewhirl W, attached to the spindle, may be and are of usual construction.

The bolster B is preferably made of wood impregnated with an antifriction compound, which obviates the use of oil to lubricate the spindle, the bolster being 'exteriorly recessed to receive a suitable fibrous or other packing P.

The metal spindle-step D is made as a screw,

having an unthreaded shank d, extended through a hole in the bottom of the bolstercase, and flattened or otherwise shaped at d to be engaged by a suitable tool, the lower end of the spindle resting on the top of the step, so that adjustment may be elfected while the spindle is running. An interiorly threaded bolster-support 1) (shown separately in Fig. 2) is engaged by the threaded step and fits snuglyin the case A below and supporting the bolster B I have herein shown the support as an annulus with a longitudinal groove or "slot 1) to receive a pin 10, passed through the bolster-case, to prevent rotation of the support, so that rotation of the step D will raise or lower the bolster-support. This construction provides for vertical adj ustment of the bolster relative to the step.

An upturned lug or projection 11 on the support I) enters a recess 5 in the lower end of the bolster, as herein shown, to prevent rotation of the bolster.

- In order to lubricate the step, the lower portion of the case A is filled with Vaseline or some other thick or viscid lubricant, a felt or other suitable washer w snugly fitting the case and the shank d of the step below the latter. Thin oil would readily escape through such apertures as might be left in the construction herein described, but Vaseline or other thick and more or less jelly-like or viscid lubricant will not escape. A single supply of Vaseline will probably last as long as the spindle, as Ihave found by'experience that any escape of the lubricant is Very slight, and just after the device is put into use, the air serving to harden the film of lubricant around the shank of the step and form a species of seal thereat. The compound with which the bolster is impregnated lubricates the lateral bearing for the spindle.

By the construction herein shown and described it is possible to instantly remove the bolster for examination and was quickly replace it without in any manner disturbing the position of the step or the adjustment of the bolster-support, which adaptability is of verygreat advantage in practice. So, too,

the rotative movement of the step herein 0perates only to adjust the vertical position of the bolster, the spindle itself having no vertical movement imparted thereto, with a consequent change in the direction of the driving-band and alteration of the position of the yarn traverse relative to the bobbin.

In its mechanical features the apparatus herein shown is simple, readily and cheaply made, and quickly assembled.

My invention is not restricted to the precise construction herein shown, as various modifications may be made without departing from the spirit and scope of my invention.

Having fully described my invention, What I claim, and desire to secure by Letters Patent, is

1. A bolster-case, a bolster and a bolstersupport therein, the bolster resting loosely upon said support and being readily removable therefrom, a spindle -step operatively connected with said bolster-support to move it vertically, and means to rotate the step from the exterior of the case and thereby adjust the bolster-support.

2. A bolster-case, a contained step having a constant vertical position and exteriorly threaded and having a smooth shank extended through the closed end of the case, a bolster, and a bolster-support upon which the bolster rests and from which it is readily removable, said support being engaged by the threaded step, rotation of the shank of the latter adjusting said bolster-support and bolster vertically.

3, A bolster-case, a spindle-step having its shank extended through the closed lower end of the case, a bolster having a tapered bore to fit the pintle of the spindle, and'a separate bolster-support in engagementwith and vertically adjusted by rotation of the step, the bolster resting loosely upon and being readily removable from the bolster-support.

4. A bolster-case, a bolster, an annular, non-rotative bolster-support Vertically movable in the case, and means operative from the exterior of the case to effect vertical movement of said support and consequent adjustment of the bolster while the spindle is running.

5. A bolster-case, a bolster, a non-rotative bolster-support detachably connected with the bolster and vertically movable to adjust it, a rotatable step in screw-threaded engagement with the bolster-support, to move it vertically, and means to rotate the step from the exterior of the case, the bolster being removable from the case without disturbing the bolster-support.

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

GEORGE O. DRAPER.

Witnesses:

E. D. BANOROFT, A. H. CoUsINs.

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