USRE2544E - Improvement in mode of lubricating the bearings of spinnings ames - Google Patents

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l gnhrwiw @anni @Hirn y'Anselmi n. GILMAN, or. unirono, MfissAeHUsErrs Assicurati BY ,MnsNn c l ASSIGNMENTS oF HIMsnLr. Letters Paten-t No. 43,153, dated June I4, 186,4; reissue No. 2,544, elated April 9, 186,7.

dits rlnhule nfrrnt tu in igrsvc irttetsV iziinxt mit uniting' pnt nf ilge smut.

TQ ALL PERSONS TO WHOM- THESE PRESENTS SHALL COME:

` Beit known that I, ALBERT H. GILMAmlate of Biddeford, in the county of York, and State of Maine,

butvnowl residing at lh/llCWril, in thc county of lVorcester, and State lof Massachusetts, have invented a new and useful Improvement in Spinning-Frames and I do hereby declare that the following is a full, clear, and exact description of the same, referenccbeing had to the accompanying drawings, of whichl A Figure 1 is a perspective View of ar section of a spindle and a spindle gear, and step or stand, as arranged for use, when constructed according to my improved plan.

-Fignre 2 is a transverse sectional view of a spindle, spindle gear, and step ofI the ordinary construction, as arranged for use. l

Figure 3 is a transverse sectional'vicw of a spindle, spindle gear, and step, constructed and arranged 4according to my plan. l

Corresponding letters refer to corresponding parts.

In thc manufacture of cotton, grcatdiiculty isexperienced in keeping' the. bearings or steps of the spindles properly lubricated, pmticularly in that class 'o f spinning-frames known as slubbers and ily frame, to which my invention is more particularly applicable. In such frames, the spindles on which the bobbins containingthe roving or yarn arc placed, stand in steps, attached to the spindle rail, and riseand fall with it; rotary motionbcin'g also at the same time communicated to them by means of well-'known me'ohanism disposed in the frame,and by means of the spindle gear. .The arrangement ofthe parts in question will be better 'understood by reference to tig. 1, in which- B is the body of the spindle step, p being-the stud by which it is attached to the'spindle or rail. The

part a of the stepisf bored or drilled out'into a cup for the ,lower end of the spindle to stand in. G is the spinrllcfgear, having bevelled cogs or teeth;1 m m, and is 'attached to thc spindle S by the set-screw s. A spindle, spindle-gear, and stepotlthe style in common use, are shown in fig. 2, and also their relative positions when in use, in `which figure the end a a of the step B is turned out cup-shaped, as shown, andthe spindle-gear is arranged on the spindle above the cup of the step, being so constructed as not to pass down over the cup of l the step. When a spindle is operated in connection with such a step, the oil in the cup usedfor vlubricating will b e nearly or entirely thrown out by the centrifugal .force of thespindleand the cup left dry,vthus greatly increasing the friction'and making a proportionate increase of power or forc to drive the frame requisite. Another and an important objection to the construction and arrangement of the parts in the manner shown in iig. 2 is that the gear G, by not passing down over the cup a a, allows particles of cotton to collect around the spindle, between the gear and step and in the cup, 'thus forming, as the spindle rotates, a sort of swab or fwipcr, which Vtakes up the oil, and leaves the cup or bearing-y dry. But these difficulties are entirely overcome by my improvement, which will be understood by the following description, and by reference to fig. 3. In order to prevent the o'il from being thrown from lthe cup by thc rotating spindle, I turn out or construct near the top of the interior of the cup, the chamber U', as shown, the operation and use of which are to catch and retain 'the oil as it is thrown upward by the spindle, in such a manner that a suiiicicnt quantity is dealt out to the-spindle to lubrcate it when in motion, the oil falling to the bottom of the .cup when the spindle is at rest. Topr'eve'nt the cotton from gathering between the gear and cup, or in the cup, as described, I cut ont or make the lowerl end' of the gear so that it will pass down over the top of the cup like a flanged cover,-us

l shown, and in order that the gear may be so constructedV and used, and still intersect properly with the gear and mechanism by which the spindle is driven, I east or construct the tcp of the cup higher or longer than it isusual to make it, so that the gear will cover the cup without sitting too low on the spindle. In the ordinary style of spindle, as shown, thc oil is sometimes passed into thc cup through an oblique hole or aperture running from the outside of the step to the bottoni of thc-cup, as indicated by the dotted lines a: in iig. 2. But this method isi'open tothe objections which apply to a cup without this hole, as the oil is forced back through it by the action of tl1c s'pindle, and sucked up or exhausted by the cotton which collects ou the outside of the step and inthe-hole. The hole is also liable to become entirely stopped up so that the oil cannot pass to thc cup." To oil the spindle, where my improvement is used, the spindle audits gear are raised and the oil-poured directly into the cup, thus insuring perfect lubrication.

I am aware that in thcnStudcnts Guide to Locomotive Engines, in plate 28, fig. 51, :i grease box or oil I cup is represented with a cavity, groove, or chamber, for'pre'ventin'g the oil from being thrown from the cup.

I. I am also awar'e'thatin the application et' Richard A. 'Eddy for a patent tol-a spindle step, withdrawn May 26,1851, a groove or chamber is shown which is substantially the saine as that shown in my drawings. I therefore do not claim such a groove or chamber as of my invention. I am also aware that in the application and drawings of the said Eddy, a tubular cap` is described and shown,y through which the spindle passes, and which cap rests on and partly in the step er bea-ring of the spindle,lbut said cap is essentially different from mine, and does not accomplish the same'valuable results. 'In Eddys step, the cap does not pass down over the'bearing or step at all,` but its lower end is cone-shaped, and'it sits loosely in a corresponding cavity Yin'the top of the step proper, and when it is made to iit the spindle so closely as to prevent the fibres or small particles of cotton from falling into the step, there ovill necessarily be considerable friction between the cap and the spindle itself, requiring to be overcome with an additional quantity ofoil, and when the'cap does notfit closely tothe spindle, the cotton will pass into-the cup andl rapidly exhaust the oil. When snch'a cap is fitted soclosely to thc spindle asv to turn with it, but still admits of being slipped on the spindle, oil will. be drawn up by capillary attraction to a greater or less degree, especially between the lower part of the cap and top ofthe step, and this notwithstanding thegroove or chamber, and tol a mnch greater degree where` a cap is used which is in contact with the step, -or spindle and step, thanwherc non e at all is used, or where `the cap is so arranged as to cover the step but notto'be in contact with it as in mine.' Another objection toa cap arranged 4as shown in the alleged invention ofthe said Eddy is the largely increased cost .of manufacture, a gear having to be used in addition V to the cap, which, when mounted on the spindle in connection therewith, complicates the Whole bearing, rendering it much more diilicult to oil and keep clean, as is well known to all practical manufacturers who have used them arranged in that manner." I use a groove orl chamber to prevent the oil from being thrown fromthe 'cup by the centrifugal force of the spindle, but construct the cup above the groove so that the spindle doeslnot come into contact with .theusteprat that part, thus preventing friction; land by chamhering the gear in the manner shown Imake the gear itself a perfect cap, thus lessening the number of parts, decreasing the cost materially, rendering the step easily oiled and kept clean, entirely preventing all particles of cotton from entering the cup ofthe step,.as well as preventing waste of oil to a degree which I have never seen attained by any other arrangement.- Spindles arranged according to my improvedv plan are running ten hours a day for six weeks without oiling, while spindles arranged according to the plan described by Eddy, in the same rmill, can be run but one week, and -spindlcswithout either cap or groove but two days, with the same amount of oil. l

v I therefore de not claim anything whatever which is shown er described in 'the Yapplic-ation of said Eddy, lhereinbefore referred to, but, having made a spindle-step cap, combined with the spindle, so as to revolve with it and extend over, cover, and embrace the oil-receiving step of the spindle,'as set forth, and also having combined directly',vor in one piece, with a cap so made, the teeth of a gear in order that the said teeth and cap may be made to subserve two purposes,lviz, to act asv a gear to revolve the spindle, and as a cap and to cover and embrace the spindle step as set forth, I would remark that my invention and what I claimare as follows: I claimia spindle-step cap, combined or tol be connected with the spindle, so as to revolve with it, and made so as to extend over and embrace or goaround the spindle step, and so applied to the spindle ns to be Y capable of being moved lengthwise thereon, and fastened in place thereon by a clamp-screw or its equivalent,

the whole being substantially as and for the purpose or purposes as explained. y

I also claim a spindle gear, made so as to be movable lengthwise on'i'ts spindle, and provided with a screw or its equivalent to fasten it in place thereon, and so constructed that the gear itself shall f orm a cap for and pass down over oraronn'dthe step without being in contact with it, substantially in the manner 'and for the lpurpose shown and specied.

I also claim the combination and arrangement of the groove c, with the step a, and with the cap Gr, made so as to extend over and embrace or geparound the said'step, as specitied.

Witnesses:

R. H. EDDY, F. P. HALE, Jr.

ALBERT H. GILMAN.

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