US1422432A - Hay loader - Google Patents

Description

P. L. FORBES.

HAY LOADER.

APPLICATION FILED MAY13,.192I.

1,422,432. Patented July 11, 1922.

3 SHEETSSHEET 1.

ATTORNEYS P. L. FORBES.

HAY LOADER.

' APPLICATION FILED MAY13.1921.

Patented July 11, 1922.

3 SHEETS-SHEET 2.

I/Vl/E/VTOH PL, .7 01? 555 A TTOR/VEYS P. L. FORBES.

HAY LOADER.

APPLICATION FILED ,MAY 13. 1921.

' Patented July 11, 1922 I 9f ATTORNEYS a suaers-sum s.

4 IIVVENTOR Pin/ 05955;

UNITED STATES PATEN ori ice.

PERCY LLOYD FORBES, OF VIEST MIDDLESEX, PENNSYLVANIA.

I HAY LOADEB.

Application filed May 13,

T 0 all whom it may concern:

Be it known that I. PERCY L. Fonens, a citizen of the United States, and a resident of West Middlesex, in the county of Mercer and State of Pennsylvania, have invented certain newand useful Improvements in Hay Loaders, of which the following is a specification. p v

.The present invention relates to an irn; provement in loaders tor hay "Wagons ,or the like, and has for its object to provide a device of this character which is of simple and durable construction, reliable in operation, and easy and inexpensive to iuanutacture; which etfieiently loads the'hay wagon in a manner to utilize the maximum capacity of the wagon andyet facilitate the unloading thereof; which dispenses with necessity of employing a number of operators; which does not require an independent power plant, for its operation; and which is automatic in certain phases of its operation and which requires the simplest manipulation in other phases'thereof so that it isnecessary to ex- GICISB only a minimum' degree of attention and effort to control the loader. V

()ther oh eets and advantages of the invention res1de 1n certain novel feat ues of construction; combination and arrangement 30 offparts which'willhe hereinafter more fully described and particularly pointed out in the appended claims, reference being .had

to the accompanying drawings forming part of this specificati'on,"and in which: i 1 Figure 1 is aplan viewof the, machine embodying the invention; ,I

e 2 is a View in longitudinal verticalfs'ectiony i Figure 3is a side elevationalview; H Figure 4 is a fragmentary perspective View, illustrating the scontrol lever and the operating mechanism therefor"; y Figure 5 is a similar view'of thelocking meeha nismy I I Figure 6 is a detail in fragmentary perspective, illustrating the drive mechanism and associated structure; and

Figure 7 is a -i'iragrnentary perspective view ofthe carriage" and track therefor.

Referring to the drawings wherein for the sake of illustrati'on is shown the pre-' ferred embodiment of the invention; the numeral 10d'esignates generally a frame including sidebars 11 andwhich is mounted upon a running gear 12 including rear ground wheels '13 and forward ground Specif cation of Letters Patent. Patented July '11 1922.

1921. Serial No. 469,181. I

steering wheels 14. A plurality of spaced cross bars15 are carried by the side bars of the frame 10 andsecured thereto and extending parallelwith the side bars and ad'- jacent thereto is a pair of longitudinal stringers 16 which are carried by, andsecured to the cross bars 15. i

A track consisting of rails; l8h-is mounted upon the "Crossbars, the rails lSrunning longitudinally of the frame and parallel and front piece 28 which in the forward position offthe carriage constitutes the front piece orfrontuvall oit thewagon as will herein-Q after more fully appear. The dzurridge is mounted 'onthe track by means of. groove 'l wheels'80 rotatably mounted inbearings 31 carried by the frame oi the carriage. The hearing 31 is provided with a depending extension32 having its lower lendentended at right angles, as shown at 33. to provide a retaining shoulderwhich slidahly engages the under sl de of the ad acent rail 18 to re tain the track thereon. Preferably four of such wheels and hearings are provided,

two being on each side of the carriage and cooperating with the rails of the track, but any desired number may. be utilized within the purview oftheipresent invention.

The'carriage is in this mannerreciproeal on the tracks and with respect to the frame,

.and when positioned as shown inFi gures 1,

2-and3, it is in its rearward 7 positionand is then adapted to be loaded. After loading. the carriage isthen shifted to its forward position and for this purpose it travels along the traok to'the forward end of-the frame,

and the rear'end ot the wagon'is then loaded. Locking means is provided for securing the carriage ineither forward or rearward position and includes a rock shaft 35 rotatahly journaled in the frame'of the carriage and having fixedthereto a double ended pawl 36 i having a cupped boss 3 7 with which a the boss of the rounded lug 38 formed on the outer end of a blade spring 39 cooperates: The blade spring 39 is normally under tension and its lug 38 presses with considerable force against the boss 37 This spring 39 has a triple ac-- tion in that when its lugengages one side of awl it urges the pawl in one direction an that when its lug engages the other side of the boss it urges the pawl in the other direction and that when its lug is seated in the on of the boss it maintains the boss in neutra position. The adjacent rail 18 of the track is provided with spaced series of oppositely d sposed ratchet teeth, designated at 40 and 41,.respectively with which the double ended awl cooperates respectively in the forwar and rearward position of the carriage. I

Release mechanism is provided. for the locking mean s and includes a crank 42 fixed n hereinafter fully descri ed, the action there-' to the rock shaft 35 and consisting of spaced plates 43 having a pintle 44/jmi 'nalfidithelb 7 X1, .on which a grooved lpulleyi4 5 is mounted;

ey also. constitute an 5 this crank and n1 element of. the dI'PYl mechanism to be of will be described in driving mechanism, Driving mechanism [is provided forxthc carriage and includes apair of swinhg bearings 50 spaced and pivoted, as'at 5 .to the longitudinal stringers-16. A, winding shaft 52 rotatably 'journaledin the swingmg bearings 50 and-has mounted thereon friction gear wheels =53. Overrunning conjunction with the clutches including ratchet wheels '54 fixed to the winding shaft and pawls 55 pivoted to the friction gear wheels" and cooperating with the ratchet wheels serve to connect the frict on gear wheels to the winding shaft. Thesefrlction gear wheels are preferably provided with surfaces of rubber-or other similar material on their peripheries; The drlven gear wheels 53 are adapted to be ngaged With and disengaged from the ground wheels 13 and when so engaged with theground wheels are driven therefrom.

Controlling means is provided fol? Shifting the driven gear he ls in o aml'o toi engagement w th. the ground wheel s-13 and comprises an oscillating or rock shait 57 ournaIed 1n. bearings 58 carried. by theisidc barsv oft-he frame and having a plurality, p eferab y th e, nk a ms 59- her on1 meeting rods '60 are ivot-ally connected at one end-to. two; Q the crank arms 59 and. admcent $1 7: ether ends the e short connecting: rods 60 slidablgeextend through suitable op n ngs previ d therefor in bra kets filc m d by azmginahearin s idjnstebleco lmsfi2'ave cer icdy he.

. connecting. rod 5.0 and are iidflpted hot-abut the eckfi tb nositi l a onnect bc brac ets and. the c nne ting rod. 5 w h;

respect to movement inone direction. Coil s rings 63 are mounted on the portions of the connecting rods 60 which extend within the brackets 61 and abut these brackets at oneend and at the other end abut nuts 64 threaded on the ends of the short connecting rods 60. The nuts and springs this constitute a spring or yielding connection between the short connecting rods and the bearings with respect to movementin one direction, and this-yielding or spring connection provides for pro or engagement of the driven wheels Witht he' drive wheels and compensates for irregularities or wear. With respect to the connecting rods 60 however the disengagement of the driven wheels from the ground wheels is positive and rigid so that the yielding connections are ma e use of only when. it is advantageous to do so and they are not subjected to wear at other times. .l

I An operatin lever 65 for drive mocha nism is pivot zfily n olinted as at 66, upon a strap hearing 67 providedat the forward end of themachine and the lower end of the operating lever. is'pivotally connected, as at 6 to one end of a connecting rod 69. I The other end of the connecting. rod slidebly ex tends through aneye 59f rovided on one of the crank-arms59 of M "rock shaft 57 and a collar fixed on thezconnecting rod an abntsthe crank arm to. po itivelg move. the. crank arm in one direction.

coil spring TL-Jexarranged' on the end of the connectingpod which projects beyond the eye and abutsl the crank arm 59 at one .end

aml a nut 72 at the other-end, the nut 72 being threaded-on. the connecting rod 69. The spring "and nut thus iprovide a. resilient or yieldinggcpnnection between the crank arm and the connecting rod with respect to motion in one direction. A dotent 75- is pivotally mounted on the operating lever 65 by Ineansofya pivot pin 76,, and is adaptedto cooperate with the ratchetteeth 77*.carried on the. plates 'zd .and secured, to; the adpioentcross bar 15. A spring 79 coantslwith the detent andnrges lii fijlto engagement with the te th'of the ratch t i 'Trippingemechaniem is prvided for 'releasing the detent -75 f fllxm flngngcmnnt with 'theratchetteeth 7 7 .andior Swinging the operating lever 65 so as to disengage the driven-friction gear Wheels-of the driving 7 iao teeth and thus. *permit'the carriage which subsequently engages the operating lever, to "swing the "operating :lever so as to? release the driving mechanism. M i

lilotion transmission means is provided for transmitting the motionfof the winding shaft tothe carriage -for inoninoythe same from one position to theothexd'and comprises a pair of wmdinpgdrums or spools 85 carried bv the windins shaft upon which cables 86 are wound wlienthe.winding shaft is rotated. These cables extendto the front of the vehicle andthey are then trained around pulleysS land pulleys 87 and extend rearwardly of the vehicle and at their rear ends they are connected or'trained around the pulley and t-husthe cables are connectedto the carriage. It is obvious thatas the winding shaftis'rotatedfand. the. cables are wound upon thewwindingdrums: thereof they will exert a pull upon the pulley. 4:5 and advance the carriage from its rearward to erted. on the pulley ti is "first effective to the forward position. [It is tobef noted that when the carriage is in its rearward position as shown in Figures 2 and 3,- it is locked in this position by means of a double ended pawl '36 engagingtheratchet teeth 41 and that at the same time the crank 43=which carries the pulley-"4:5 is depending substanitially vertically. Consequently, when the drlvlnn' mechanism is thrownrnto gearand the vehicle is advanced the pull winch is exswing the crank 43 upwardly tothe horiaontal and thus to rotate the rock shaft 35 in a counterclocltwise direction and release the double ended pawiee'from engagei'nent with the ratchet teeth 4'1, thus releasing the :car-I "riagge. l*ollownig this action the pull effective to shift-the loaded carriage from its rearward positionflto its forwardposition. hen the carriage is being shifted fromits rearward to its forwar'clv position; the pawl slides along the track so that asso'o'n-as the carriage reaches its forward, position this pawlsnaps' into the forward. series of ratchet teeth, designated at 410, and locks the carriage in its forward position. wagon has been completely loaded, the load transported and unloaded, and it is desired to again shiftthe carriage back to its initial position for another loading; operation, it is necessary to manually shift the double ended detent 36 for the rock shaft so as to release this detentfrom its forward series of ratchet teeth. When the carriage is unloaded it may i be readily shifted by hand from its forward to its rearward position.

In this manner the wagon may be loaded without the necessity of placing several operatives on thewagon for as soon as the carriage is loaded itis shifted to the forward end of the vehicle and the rearward end of the vehicle i then loaded. Moreover this provides not only for a properly constructed .'..is then After the load, as the hay which makes up the load consists substantially of two sections, although these sections abut each other, and this facilitates the unloading operation.

I claim: 1 y I 1. In a device of the characterdescribed, a frame, ground wheels therefor, tracks on said frame, a carriage onsaid tracks, driving mechanism for said carriage including a pair of swinging bearings, a windingshaft iournaled in said bearings and a pair of driven friction gear wheels connected to said winding shaft and engageable with said ground wheels, controllingmeans for said drive mechanism adapted to yieldingly move said gear wheels into operative engagement with said ground wheels and to positively move saidflg'ear Whee out of engagement with said ground wheels, and motion transmission means between said winding shaft and said carriag 2. In a device of the character-described, a frame, g'round wheels therefor,- traclts on said frame, a carriage reciprocable on said tracks, driving: mechanism forsaid carriage including a swinging bearino. a winding shaft journaled inv said bearing, and driven irrctrongrar wheel connected to'saidavindin'g shaft and engageable with said ground wheel's, controlling means for said drive mechanismincluding a rock shaft having crank arms, a'c'onnectino rod betweenone of said crank arms v and said swinging bearing, an operating lever,a connecting rod between said operatir g lever and the other said crank arms of se id rock shaft. and motion transmission means between the winding winding drums carried by the winding shaft,andcab1es wound on said drums and connectedwitb said carriage.

4. In a device of the character described, a frame, ground wheels therefor, a carriage movable on said frame and driving mechanism for saidcarriage including: a pair of swinging bearings, a winding shaft journaled in said bearings, a pair of driven friction gear wheels connected to said winding shaft and engageable with said ground wheels, controlling means for said driving mechanism including a rock shaft having crank arms, connecting rods pivotally connected at one end to' certain of said crank arms and having spring connections at their other ends to said swinging bearings, and an operating lever for said rock shaft.

5. A device of the character described, in combination, ground wheels, a driving mechanism including a pair of swinging bearings, a winding sharft journaled therein, a pair of driven gear wheels connected to the winding shaft and engageable with the ground wheels, and contnoll-ing' means including a rock shaft having crank arms, a

connecting rod and engaging the .other'end of said spring.

' v 6. A deviceof the character described, in

combination, ground Wheels, a vdriving mechanism including a .pair of swinging bearings. a winding shaft journaled therein, a pair vod driven gear wheels connected .to the winding shait and engageable with the ground wheels; and controlling means ineluding a rock shaft havingcrank arms, a

pair of connecting rods pivotally connected 'to-certa'in-lof said crank arm at one end, brackets carried by the swingingbearings and slidably receiving the free ends of said connecting arms, adjustable collars carried by said connecting rod'sand rigidly engaging said brackets with respect to movement in one direction, coil springs arranged the portions'of the connecting: rods extend;

ed withi-n'said brackets andahutting said brackets at one end nuts threaded on said connecting rod'and engaging the "other and of said spring, an operating lever, andxa mechanism.

connecting rod pivotally connected at one end, to said operating lever and having a yieldin connection at its other end to the other 0 the cranksof; said rock shaft.

7. Ina device of the character described,

tracks, and lockin means: for the carriage including a rocks aft mounted on the carriage, a double ended pawl fixed to the rock shaft, and spring'means for urging either end of said pawl into operative position, said track having spaced'series of opposiitely disposed ratchet teeth with which said double ended pawl is adapted to be selectively engagedw' I i a 8. In a device of the character described, tracks, a carriage reciprocable on said tracks, and locking means for the carriage including a pawl pivoted to said carriage,

tracks, a carriage reciprocable on said said tracks having spaced ratchet teeth with which said pawl is selectively engageable.

I 9; In a device'of the character described, a frame, a carriage reciprocable on 1 said frame, locking means for said carriage ineluding a rock shaft journaled on the carriage, locking pawls controlled zhy said rock shaft, driving mechanism, motion transmission means between the driving mechanism and the carriage including a cable and a crank connected itothe rock shafit of vthe carriage and engaged by said cable whereby the driving mechanism controls the locking mechanism soas to release thesame prior toimparting movement to said carriage.

10.. In a device of the character described,

a frame, a pairxof 3 and wheels, a carriage inciprocable on said frame, driving mechanism for said. carriage including a pair of swinging bearings a winding shaft journaled in said bearing, a pair of friction gear wheels connected to the drive shaft and engageablewifli the pair-of ground wheels, and controlling mechanisrn'for said driving Paganism Fences.

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