US1287874A

US1287874A - Tractor-plow.

Info

Publication number: US1287874A
Application number: US186844A
Authority: US
Inventors: William W Cameron
Original assignee: CROSSE PLOW CO
Current assignee: LA CROSSE PLOW CO; CROSSE PLOW CO
Priority date: 1914-04-25
Filing date: 1917-08-18
Publication date: 1918-12-17
Anticipated expiration: 1935-12-17

Description

-w. w. CAMERON. y TRACTOR PLow.

APPLrcATloN FILED A'ums. 1911.

Patented Dc. 17j, 15H8,

unt. wwwM l. CAMERON;

Be itknown that I, WILLIAM'V?" GAM-f yBRON;-aeiti'ze'n of-theUni'ted States; Iand. a

resident' of 'Lal' Crosse; inthe.v oountybof La i Crosse andi- State of l Wisconsin, iliaveiii-fv vented certain ,new i andjuseful 'Improveff vin Tracitifs-Plows'fof which; the fol-l lowing is :i4 full,el`e'ar, vand yeact' d eserip-` 'i o1" an'gl l0 i T-h'einvention'relates totraetor plows and ismsLJ division of the `subject-matter ysetv "forth in an application fledf ine vSp1-il 25,1914,-

Serial'No. 8345312. n l. f-'The object of? the yinvention `is-to `provide im'pi-'oved'.meansr for manually lifting .y a

lplow-'carrying stru'cturein a plowin'whielr a xpower-operat'ed crank-axle is ordinarily usedatoi'a-ise the plovniy .'.This-.object -is attained by :employing a socket` which is fixed to the power-operated axle and Y. is operable :byfzanI ordinary 4rod or bar that-isadapted to .be removably inserted thereinujA further object ofthe in'-v vention is. to 'provideA an, improved lifting t mechanism of this type in which the means for inanuallytliftin'g theplowearrying strue-7 1 ture is disposed at the outer side of ythe landwheel whereitcan'be easily manipu- The invention ,consists Iin the several novel features hereinafter set forth and more paricul-arly defined`` bynclaims .at the concluf` fsionlhereof; L, y, n l. i

In the drawings: Figure ,1' isa frontelevation of aplow embodying the invention.,

Fig. 2-is aflongitudinal sectionfshowing the mechanism for operating the` crank-axleto lift the plow-carrying structure. Fig.; 3 is a sect-ion.takenon line 3-7-3Mo-f Fig. 2. Fig. A: risa detail `plan ofthe socket and removable levery for manuallyoperating the axlev The plowl comprises: aland-Wheel 2O atA Odile side, a furrowf Wheel 21 at the other side, a crank-axle 24J-having its Iend 23 mounted :in the huh ofthe landwvheel 20, a s'tub;axle.l 25 ,inounted i in A,the furrow-Wheel Qlfand' adjustablyseeured in a ybraelre'tf inwhicliiis rigidly "secuied la"standard 27.y

a dard- Qfifiis. .rigidly opposite 1211i 'ollar(l 30 and slidable .A braeket is mountedgontheend-portioni. speerivfelyil are? ""iirg structurel,relatively Assi No ldard i257" andlfi's' supporte l byfa'ni adjustzible jbnei A, jlieel 20,"erank-axle sib, :5x furrqA ".Wheelilran'dl standardsl., e Sie servel as@ supporting stru'e'tu'rer fdtlielfroimtili of *the i'lachine.. The plwslire's indesirediiiO ofyvhiehfare eross-onnected byfaV-ront V r 34; "as noref fully? 4illustrated the aforesaid 'applitio Nei saisie-f e At eaciiside o #the plow-eariying ture, a bracket 313s seured andy eaeli brmk 1s providedlj'witli' sleeie "jor gui e; through which paIn th standards-327, 2

y -thg'-erank-il ,i These sleeves jand`stan arde* constitute e517() hand levr'i and, providedtvth rock the shaft' 634m;

A toy lf-lel-liontisupporting-structure. The lock 68 is adapted to. enga the teeth of a rack 69 which is ixed on ar 34.

A ratchetwheel 80 is formedonlthe hub of the land wheel to operate the powern lift. lThe Vcrankaxle is movable through successive half-revolutions in the same direction to alternately raise andlo'wer vthe plowcarrying structure. The owerlift comprises a pair of dogs 81, pivoted, as at 82,

at diametrically opposite points, to one side of a twoarmed lever 83 which is `secured to the axle by a suitable kev so as to rotate the4 axle and so as to hold the axle against rotation when the lever is locked. Each'dog 81 is normally held disengaged `from the ratchet 80 by a spring 85 between the dog and the lever 83. Stops 86 on the lever 83 limit the outward movementl of the dogs by springs 85. Each dog is provided with an inwardly extending stud 87 which is adapted to enter a segmental `groove 88 formed in an extension of bracket 28 to successively hold the dogs in. engagementwith the ratchet until la full half revolution has been imparted to lever 83 and thegcrank axle. Lever 83 isrnormally locked against rotation to lock the crank-axleby a locking bolt 89 which is normally and yieldingly held in operative position and in'one of the holes 97 on lever 83- which is secured to the l axle. Bolt 89 is U-shaped and comprises a4 member 92 which is also guided in extension 91 and slidable therein. A controlling-lever '94 for shifting the dogs 81 into engagement with the ratchet wheel and for prelm'nnarily releasin the lock 89 is pivoted to extension 91 by a olt 95 and is provided with a cam 96 which is adapted lto engage arm 92 of bolt 89 to withdraw the bolt from holes 97 in lever 83. Lever 94 is also/provided with a stud 98 which is normally out of the path of dogs 81 and adapted to shift the uppermost dog into engagement with ratchet against the force of spring 85, after lockl 89 has been released from lever 83,. An arm 99 is secured to lever 94 and a rod or cablecause lever 94 to rotate camf96 and withdraw bolt 89 from y*hole 97 in liever 83. This will release the4 Apgwerflift and after arm 94 has relesed\thelock, studi 98 will force the upper dog 1381i into` en gement with ratchet 80. Thegro'ationofltx' e land wheel e gland-wheel.

gether and said stud 87 on the dog will pass into groove 81 to hold the dog in engagement with the ratchet until the crank has been shifted a half-revolution. Then lockboltv 89" will pass into hole 97 upon the opposite end of lever 83 and automatically lock the crank-shaft in position to hold the crank-axle raised. This operation of the,

crank-shaft will cause links 51 'to raise'the front of the plow-carrying structure. W hen the plowsare raised, a pull upon cable 100 will render the ower-lift operative to impart ahalf-revo ution to the crank-shaft 21 to lower the front end of the plow-carrying structure. 1

In tractor-plowing, it sometimes becomes necessary to raise or lower the plow-carrying structure when the plow is not being pulled forwardly, and the primary object of the present invention is to provide a simple device whereby thls may be eiected from a vConvenient pomt. For this purpose, porvtion 23 of the crank-axle is extended beyondv .the hub of the land wheel and a collar 104 is rigidly secured to the axle outside of the This collar is provided with a socket 105 which extends through the collar andy is adapted to receive from either end a removable lever or bar 106 which may be conveniently carried on the tractor when not in use. To operate the crank-axle manually, it is only necessary to release the locking pin 89 so that the lever 83 .will be free to rotate andthen the bar 106 can be rotated to swin the crank-axle 24 fromone of its alternative positions to the other. The socket 105 extends horizontally, so that the bar-106 will ,be free to move through the upper segment of a circle and through a half revolution.

The invent-ion exemplifies an `improved plow in which a crank-axle lwhich is connected to operate the plow-carrying structure, is provided with a socket for a removable lever which can be operated fromthe land-side of the plow toshift it from one of its alternative positions to the other when the plow is stationary or any time that the power-lift should become inoperative.

The invention is not to be understood as restricted to the details set forth, since these may be modified within the scope of the appended claims, without departing from p thespirit and scope of the invention. 4

Having thus described the invention, what I claim as new 'and desire to secure by Let-4 ters Patent,I is: 1. In a plow, the combination ofrcarrying wheels, a plow carrying structure, a crank shaft sustained by the carrying wheels, mechanism operable by one of the carryinar wheels for rotating the crank shaft to shi t the' low-carrying structure, a device se'- y l cure on said shaft and `adapted to receive- 20 willV rotate ratehet 80 and the dog toa readily detachable lever Ywhereby the crank 130 Leonora shaft. may be operated manually to shift the plow-carrying structure, and means for locking the crank shaft to hold the plow carrying structure.

In a plow, 'the combination of carrying wheels, a plovv carrying structure, a crank shaft sustained by the carrying Wheels, mechanism' operable by one of the carrying Wheels for rotating the crankshaft to shift the plovv-carrying structure, `a socket secured tothe crank shaft and adapted to receive a readily detachable lever whereby the crank shaft. may be operated manually to shift the plow-carrying structure, and means for locking the crank shaft to hold vthe plow-carrying structure.

3. In a plow, the combination of carrying wheels, a plow carrying structure, a crank shaft sustained by the carrying Wheels, mechanismV operable by one of the carryingwheels for rotating the crank shaft to shift the plow-carrying structure,` a device secured on said shaft and adapted to receive a readily detachable lever whereby the crank` shaft may be operated manually to shift the plow-carrying structure, and means for locking the crank-shaft to hold the plow carrying structure, said device being disposed adr jacent. the carrying wheel at the landside of the plow.

l. In a plow, the combination of carrying Wheels, a plow carryingstrucl'lre, a crank shaft sustained by the carrying wheels, mechanism operable by one of the carrying wheels for rotating the crank shaft I WILLIAM W. CAMERN.

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