US77923A - Improvement in regulating and dispensing-mechanism - Google Patents

Description

VSOCRATES SCHUL/FIELD, orv PROVIDENCE, RHODE ISLAND.

i `@uitritv gisten @nicht i i Letters-Patentlv'o. 77,923, dared 12, 1868; cintedatcd .March 20, 1868.

IMPROVEMENT IN BEGUIA'IING ANI) DISPNSING-MBGHANISM.

Be it known that I, Soci-turns Scuonrrnnn, of Providence, in the county of Providence, ond State of Rhode Island, have inventedY an Improvement inRegulstirig or'Dispensing-Meohcnisms; and do herebydeclare that the following is a full and exnct description, reference beinghad to the accompanying drawings, making a part of' this specification. i

P The nntu'rc'of my invention consistsin o. ncw-nndpechliar application ofnvibratin'g-bar or lever, for the purpose of starting, stopping, reversing, orchanging the action of machinery, without requiring or linking l poiver from the indication or movement-Which showssuch u change to be'desirdble.

My inventionV includes a 'vibrating-movement,commencing near or in connection with the .device whose movement' wil-l cause the power' of the-machine to bedispensed a's-dcsired,-whicli device may be either aclutch, belt, catch, or dog, or other equivalennnvhich has no positive or permanent connection with the governor, or other indicator of the requircdchange, thu'sleoving such 4-governorfor other indicator free to assume and pre-` serve a perfectly correct position under 'all circumstances. New, by means of suitnblyfarranged pins,.notches, elevations, or depressions, (attached to or in proper-connection witha governor, or other indicator, sofas tobe moved by the lsomo as the indication chsnges,) thepreviously-mentioned vihrting-movement can lle-obstructed, ns desired, :ind the power of such vibrating-movement will vtlien be thrown upon the device arranged to change the action of amachine. y l

This principle may bc applied to thc'purpose of regulating the speed of machinery, from the indication, by any kind of governor. Also, for regulating heat, from the .indication by o balcncedthermometer, or frony any' other instrument in which thc required change is produced by heat, sind for ,a great number of similar purposes, being also Vapplicable as a stopmotion,'=in various machines where extreme scnsi-tiveness and Vdelicacy are required.

r 'My invention alsoconsists in a. peculiar arrangement of ratchet-teeth, whereby such ratchet may lne-mode i' to assume and maintain dierent positions, asr desired. One cxtreme may be appliedto cause in machinery a motion in ornefdirection, the other extreme to ceusevmotion in .the opposite direction, :india-medium position-to cause such motion to cease; or the different positions may be applied to produce various degrees of the same motion in any'machine.

My inventionalso consists in a peculi'amirrangement for embodying the action of a. regulator in the 'posii tion of certain elevations or depressionsupon any suitable surface, Whether plane or curved, -thus making the f' regulator, without any alterationencept in changing the plates Vfurnished with such elevations or depressions, i capable of any action desired, i i i Bythe use ofthis improvement, a regulator can be made toiict upon a gate to a waterewheel with gres-t rapidity, for the reason that the gate can be held stationery, or` moved iu either directio'nhnt'any time desired, Without regard tothe position of the governor.' A

To enable those skilled in the art to make end use my invention', I will proceed to describe its construction L ond operation'. i

Figures-1, 2,r and 8, of drawing A, represent `diiierent.views of an application of my improvements toa water-wheel regulator, made to act by throwing into gear a more powerful machine, placed betweennitnnd the gate, figs. land 2 being side views, and g. 3 a top view of the same. m A represents n sliding collar, vwhich may be connected to the common ball, or any other kind of governor.

Upon agroov'e` inthe collar 'A' is placed the strap B, to which :ire attached the rack and notched hai-.(1. The i teeth of therack are cutfor a space equolto the risc and fall of the governor, nndstrike into the gear E, turn# ing loosely `upontuhe shaft I, which isfsustnined'by the framework of the machine.

The hub of 'the arm'F is pressed agninst'the gear E by the nut H and spring G, ,thus forming, between the gear E und arm F, an ladjustable friction-joint. The lower end of theIarm F is bent atright angles, and agotch I cut .to receive theflovver end of,'the barC, the width of this notch to be obout the width of the 'bar C.. Upon` each side of the bar. C are cut the notchesc c, which will allow thc arx-n F acertain amountbf inotin.v Upon the armF are .placed the pins dd', between which vibrate the'notchcd arm of the knee K. v i vThe segment L, to which the dogs or catches M .M a'rc attached, receives a reciprocating motion from the eccentric, V. Uponthe segnient L is securedthe spring N, passing over the notched segment l), and pressing Hwithconsiderablc force upon the vibrating-lever O, so that the friction may bc suicicnt to cause the lever tp partake ofthe reciprocatingmotion of the segmentL. `The le'vcr D is connected to the vibrating-knee K by the bar R.- l l l To thc, segment Pis connected thearin Q, Afrom the cndoi` which a connection -inay be made to another and separatelyfdriven-machiiie, tooperzntethe gate. Theouter notches pp aro higher than the inner oncs,pp, and that portion jo'` thcflcver OA which formstheratchct-guard is either inclined, or varranged in steps, so that the catches maybe raised or lowered, to conform to the notches ofthe segment P. In some cases l use a springcatch, instead of thc g1'avitating-catch shown inthe drawin l Fig. 1 represents this machine at a point where the machine towvhich it is to beconnecterl has been thrown cnt of gear, andinas ceased to act onthe gate. New, if the collar A is depressed, -the action of the rack upon the gear Eondfrictionfjoint will belsuch as to cause the lower end of the arin F to'be moved to the `depth .of the notch c', and, if' the motion of 'the 'collar A should, continue, the gear E would turn upon the shaftl, without imparting further motion to thcarm F; but as soon as the motion'oi" the collar A takes a contrary direcltion, the lower end of'tvthe arm F will be moved back again through aspace equal tothc deptlrof the notch c'. New, as, the vibrations of the catchesM M are transmitted to the leverO by tbct'riction offtbo spring il, and thcnc'e,`by the bar R, to thcfline'e the previous movement' of the arm F will cause the pin J to obstruct the movement of the knee-K, oli. account of the step-like form of the notches at its, end, which vibrate between. the Pins Jil/ I .I Now, themotion of-t-heikncc K being stopped, ythe motion of the lever O will also be'stoppcd, thesprirrg l N `and catches passing overits surface to a new position, so that. the catch M willbe left free to act upon the notch p', thus depressing the' arrn Q to the position ,shown -in the lower `dotted lines, thus causing another ,machine to be thrown into gear, by connecting with a. clutch, or sliding a'belt, or by changing the position of catches or dogs, or, by onyother convenient" means, causing the', machine todo thc work required te move 'the gate, A' I A Now, when the work 4performed has'beensuiicicnt to so aiectthc speed as to cause the colla-r A to take a reverse direction, the arm F'will instantly resumets'formcr position,'thc notched en rl ofthe knee K willstrike the pin J, 'the vmotion ofthe lever O will be obstructed, and the catches brought to. a position in which they dan only operate upon the notches pp, whent'h'e 'segment l? and arm Q will be brought back to their former position, v andthe intervening macbinenbecomc thrown out'of gear, and cease its action upon the gate, as before.

I The'same operation will take place it" the collar A is raised, but areverse action will be produced, 'raising the arm Q to the position of the ilppcrdottedflines, causing the intervening mochincto act upon the gate'in Aa contrary direction. y. v f i, Y

Figure 7 represents-a diiierent `method of arranging the vibrating-lever O'to raise or lower the catches, it being attached to theseguient L, and s uiiicient friction secured to hold it in place by means of the screw W, upon which it turns, orby any other suitable device.

The lever 0 is to be set by means of the inclined step-lilte notches operating between the pins JJ', the positionlof thesefpinsidetermini-ng which way the 'power of the regulating-mechanism shall act. `This arrangeL ment is peculiarly applicable tothose regulatorswhcre a rack takcs'thc place of the ratchet-gear X,and where a. direct reciprocating motion is iinpartedto the catches. I "The arm Y, upon which the pins J7 are placed, may bc operated by a governor, for controlling and reguj loting the speed of machinery, or it may be operated bythe pressure within a closed chamber, o r'boiler, or by the 'expansion and contraction caused by'heat, for the purpose of controlling such pressure or degree of heat, or for any similar purpose..v

I `'libe' arrangement of a vibrating-lever or bar, held at any suitable point by friction, and placed in contact 'or connection with the device tobevmo'ved, constitutesa new invention, whiclris applicable for various regulating or dispensing purposes, and iscspeciallydesirable wherefthe movement from which the maehinemust bcmade to operate is very weak. The slight directive'poweir'of tlie'magnetineedlc toward the north, or toward another magnet, is, by this means, capable of becoming the instrument-for changing the movement ofthe most powerful vm-echal1'isnn,'the magnetic needle, with 'the necessary modifications, 4taking the place of the arm F in' tig. 1, 'l

it is evident that the relative position 'of tho notches 'c' c and armv F, in iig. l, may be reversed, the rack and no'tclres remaining stationary, while the gear E and arm F are attached to the governor', the' operation andl l result being made the same as prcviouslydescribed.

' In g.`1, the notches c c are socutthat the regulating-mechanism shall act only whcnthc speed is departing from its medium rate, dnd ceasing its action when the extreme of variation has been reached.

Figure 4 represents the bar with notches s o cut that the regulating-mechanismmay commence its action as the variationin speed commences, continuing its action until the greatest limit is attained, and reversing its action as the speed returns toits medium rate,thus correcting any surplus in its previous action on the gate.

Figures'5 and 6 represent an arrangcmentwhere the step-like notchesiare attached to the arm` F, and oper ate' upon the bar a', which ,is 4attached toiand'moves back and forthwith the vibratinglever 0. 'If the ratchet;- catches fare arranged to' operate upon a. rack, a. singlevibratiug-bar' andgudrd, operated and heldin position by friction, will be suiioient to produce the result desired.:

gAnother'illustration of the principle of controlling the acjtion ein; governor by means of suitable elevations ordepresion, similar to the notches c c,.is shown in i'g. 1 of drawing though the notched lever or`bar there used to move a common ratchetgunrdis not inclnded'in my claim, being`incapable of approaching inthe slightest de'grecthe extreme limit of sensitiveness :ind accuracy-tobo ottained'by the fuse ofmy improved arrangement of' vibrating-'hars or levers, as shownin drawings A and C. I' i i l A, infig. lof drawingB, .represents the Aslidingcollnr of agovernor, to `which `the strap B is attached.` R is connecting-bur, working loosely at the tivo joints a and Kis aber, furnished at one end with inclined or step-lii:enotches, as shown, the otherend being jointed loosely to the lower p'art ofV the'vibrmjngkam` L whichearres thccatclies so that the notches ot' the bar K-wiil .partake Aofthe reciprocating movcment'imparted tothevcatches, nndat the4 same time he eontrolled'in their'action upon the pins ofitho friction-collar N, 'between which they vibratie, by the riscand fall of 'the governor. "lhe fri'ction-collar'N slides upon the bar F, held loosclyat one end by the iixe'fl support c c, `the 'other' being jointe-Ito the lower part of the guard 0.

By screwing op the not g, a suilicient amount of'friction may be secured: to hold theguard securelyin place i@ when properly set by the notion of the catches. The -bar C is also'sccuredtothmstrap B,J the lower end being held loosely by the {ixed supper-IVF F. This bar is furnished with suitable elevations 'andv depressions, upon which the pins d dnct in: n. manner similar to the previous description in drawing A. i V i I V The various parts are represented in the drawing in vn. position where there is no action from the catches Vupon the rntchet-wheel P. New, if the governor' .should rise, the'vibrating-notches of thev bar or lever K .will strikeagainst the pin-J,f therchy moving -the 'guard 0 until'thc pin allsftriitesv :rgalnstthe'sidoofithe bor C, when' a tooth oi" the ratchet-wheel? willV befnncoveretl, and the'eatchcs will not. A continuation of the movement of the governorin th'e s zime direction, however, will not,nndcrthc arrangement shown, produce any 'further movevment in the guard, vthe frictiomcollar N'beingfmerely slipped-(along the bar. F, toward the support c'e, the bar Q' and pin d preventing any further movement ofv4 the bar F in that `direction, but when-ever the direction of the motion'ot'fthe 'governrrohangem a reverseV a'ct'ionwill take place. i i V ,i

vAnother.errangement, operating by-means ofA my improved system of vibrating-'bars-or levers, is shown in iig-15A of drawing C, where the notchesovhich'rise and fall with the governordo not have -alreciprocating motion,` as shown in-drawing B. l i

represents the sliding collar of the governor,` with 'the' bar C att-ached. "This bar is to be so held 4that its only motion shall be' with the rise'and fall of the governor. A movement greater'than that ofthe governor may beimparted to the bar C, by connecting `the same to the collai` A by menus of a multiplying-'lever or by a. system of gearing. Upon one side of the bar C is attach-ed thenotchedb'ar R. The bar G is jointed to the arm' L, which carries. the catches and vibrates with th'e sanno.V Upon this ber is placed the friction-coller N, or its equivalent, with its'piiis 3121"., The outer end oi'fthe bar Gris held by some ned'snpport.. To the friction-collai-N'is also'vat-t'ached the friction-collar T,whic'.h operatsfupon the bar Fp which is jointed to the vibratingdever 0, which raises .the catches. Upon thebar -F are placed the pins d d, which operate against the bar G, andthns place the lever O in the required posi-tion with regard to the catches.v New., as the bar C rises-with the governor,the vibrating frictio'r1-oollar y N will be movednlong the bar Gr toward the catches, and this inovementfwill cause the pin dto vibrate Aagainst .the side of the barbC,`thereby-keeping the vibrating-lever O in a. positionivhere one of, the catches cannot. Now, when the movement-of the governor i changes, 'the piu d willvibrate against the otherl side ot' the bar C, and the 'actionL of the catch will cease;4 The notched bar B. and 'ba-r @may be controlled by two separate governors, if desiredl The drawings A, B, and C, illustrate some of thc various modes by which the action otii. governor may be r transmitted, and its surplus absorbechby' a frictional or any equivalent'de'vicmand be again referred to the t -directnction of 'a governor, in order to control either the extentorwtime of its action -on any dispensing-device; i and this peculiar mode of action, irrespective of the arrangement and form of the devices, Iclnini as my improvementin any regulator.

It is not necessary that the extreme' positions ofthe lever O should"befcontro1led bythe bar C, since it may he. easily limited bya xedrpoint not in connection with a governor, but it is essential that the point where the catches shall cease to act shall be sojcontrolled and'determined. i VIn the preceding examples the vibratinglever or barbas been applied forthe purpose of raising o r lowering catches or dogs, which engage withratchet-teeth, and have themselves areciprocati'ng motion; but the same principle is also applicable where the device' to ber moved in or out ofgear must, froniits nature, befhed sta.-` tionary during the intervals oi`- its required movement. The arrangement for this purpose isshown in figs-1, 2, and 3.0i` drawing C. I l f The lever K iniig. 1 is jointed loosely upon one sideoi` o. ratchet-guard, O, and is to` receive ai reciprpcat A ingmotion, as shown bythe dotted lines, which may be imparted by the bei' R, jointed `at the pointk, or by any other suitable means. Thegnard' O being held in pince by the 4friction of the. spring'uN, or by any-equiva lent, can 'only be moved by obstructing the movement'of theouter end of the bnr K, which may be made to strike against notches or pins, in ordertoproduce the movement desired; V .V i Fig. 2.shows the application of this lever to the clutch S, which is to be so arranged, bynieans of suitable friction or otherwise, as to'keep its place when once set by the action'oi' the lever K; Fig. 3 representsthe application of the lever tomove ebelt.` 'The outer end ofthe vibrating-lever K being4 obstructed by any suitable means, the power is immediately directed to move the guide which controls theposia tion of the belt. The vibrating-leverK may be mod-iiied and arranged in various ways, but the .examples shown sufficiently' exemplify the p'rinciplcinvolvd. v V i i n i A 'lhe mode ofaction by the vibrating-bar or lever K, as shown in tigsl, 2, and 8 ofdrawing C, is-the reverse i of that of the bar K, shown in iig. 1 ofdrawing B, since with thcifi-rstwe startjrom n. ratchetfguard, clutch, or belt-guide, and from thencevihrntc 'towardjthc partthemovem-eu't of `whichis tocauso a changel in the'position of such guard,cl utch,jor hcltlguide, and` in the' other case wecommencel with a positive connection to the govemol-,and vibrate toward the part whose movement will-produce the required ohnngeint-he power or' action of the machine.

I cla-im as my invention, commencing at that port of al machine which dispenses the povrer,`r'changes its action, and from thence vibrating towzird that part whose movement is, to govern A.such dispens'ation, examples of whichare shown in drawings-Annd C, vand Ido not claim n .vibrating-lever or arm, 'when in direct and positive eonneotion with any governor, or with any other similar devicewhose change ot" position or indication should'prodnce a change in the action of any machine. Y l

4 The advantage of the `previously-described arrangement is evident, since, with myimproveinent, the action of a. powerful ina-chine may, be changed without in anydegree interfering `with thecorreot action of'thzit which is t-o canse the change, however lv-oak tlie'reqnired indication may be, which is n metter of greatimportnncc in many cases. l v

Hoving thus described my invention, and what I deem` to be ai eniii'cient cxemplicution o? the various methods of carrying it into ecet, what I claim as my invention, and desire to Secure by Letters Patent, s

1. Causing the motion derived from :my kind of governor, as transmitted in one direction, to be topp'cd nn-d controlled by anobstructing point or'notch, or system of elevations or depressions, operating under. the

action of a. governor, transmitted in another direction, enbst-antinllyr :1s described.

2. Arranging the ratchet-teeth in steps, or one above the other, in connection Witlra. guard operating to producen corresponding change in the oievationoi' the notches,substantially as and for the purpose specified, in any regulating or dispensing-mechanism.

` 3. The combination of severol elements, consisting, {irstoi` a, dispensing-device,second, of ai vibrating-bnr or lever, and third, ofan opposing -point, placed in connection or combination with any governor or other indicator ofn desired change in the action .of a, mnohino, to operate substantially 'as described. I

. I i SOCRATES SOHOLFIELD.

Witnesses:

A. 'M. PAULL, A. R; ABBOTT.

Images