US1382764A - Cultivator - Google Patents

Description

S. K. DENNIS.

CULT'IVATOR.

APPLICATION FILED. MAR, zo. |916.

PatentedJune 28, 1921.

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CULTIVATOR. APPLICATION man MAR.20. 1915.

Patented June 28, 1921.

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S. K. DENNIS.

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APPLICATION F-lL'ED MAR- 20| 1916.

Patented June 28, 1921.

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UNITED STATESWPTENT OFFICE.

SAMUEL K. DENNIS, or CHICAGO, ILLINOIS, ASSIGNOE7 YEY MEsNE ASSIGNMENTS, To

' INTERNATIONAL HARVESTER COMPANY,` A 'OORPORATIONOE NEW JERSEY.

CULTIVATOR.

Application filed March 20, 1916. -Serial No. 85,355.

To all whom it may concern.' Y

Be it known that I, SAMUEL K. DENNIS, a citizen of the United States, residing at Chicago, in the county of VCook and State of Illinois, have invented certain new and useful 'Improvements in Cultivators, of' y*which the following is a full, clear, and -exact specification.

T his vim'fention relates to cultivators, and particularly two-row cultivators. @ne of the objects of this invention is to simplify, lighten and improve cultivators of the two-row type.

Another object is to improve the control and adjustable features of cultivators.

A further object is to provide a two-row cultivator, compact and durable, which is` adapted to meet all the requirements for successful commercial operation.

These and other objects are accomplished by providing a cultivator having gangs connected to swinging bail members land supported by the frame in a manner to be pushed, as distinguished from being drawn, and having improved means for controlling the raising, lowering and lateral movements ofthe cultivator gangs, and improved means for Steering the cultivator.

rThis invention is illustrated on the ac companying sheets of drawings, in which- Figure 1 is a fragmentary top plan view of a two-row cultivator embodying my invention; y

Fig. 2 s a side elevation ofthe same, partsbeing broken away and in section;

Fig. 3 is adetail view showing the method of supporting the wheel carrying steering axle mounted at the sides of the `main frame; 'U

Fig. 4 is a detail section through the rear member of the main frame, showing the main segment used in locking the cultivator gangs in various raised and lowered posi tions; V f

Fig. V5r is a fragmentary front view of means yfor controlling the lateral swinging The various novel features of my invention will be apparent from the following descri'pton and drawings and will be particularly pointed out `Vin Ythe appended claims. L j

The frame `of this two-row cultivator includes a main transversely arranged member` 10 located at the 'rear andV preferably of inverted U-section, as best seen in Fig. 4, and a parallelly arranged, transversely extending frame member 11 located in advance of the main frame member 10, and

which is preferably made of angle material.

The frame members 10 and 11 are connected by two pairs of forwardly converging brace members 1 2 and 13, whichterminate in parallel portions t'o receiveY draft tongues 14,

the rear endsof which are secured to the upper and lower bearings 16 and 17, respec-4 tively, to receive vertical portions 18 of the axles or spindles 19 carrying traction wheels 20. Extending upwardly and forwardly of ear members 21 on bearing members 17 y (see Fig.r2) are braces 22, whichare secured to the outer brace members 12 and 13 just below the forward frame member 11. It is to be notedat this point that the wheel carrying spindles have integrally formed with the portions 19 and 18 a forwardly and downwardly extending hook portion 23 which terminates in a horizontal portion 24, to which is pivoted a casting 25 detachably mounted upon Vone end of a connecting motion-transmitting member 26.' It is to be understood thatthe members 23 are located on both sides of the machine and that the member 26 connects them for transmitting a simultaneous Steering .motion to the traction wheels 20.

For changing the angularity of the steering wheels for steering purposes, the following control Varrangement lis provided: To the under side of the middle portion of the front frame jmember 11 is pivotally connected a T-shaped lever member 27, the stem 28 of which extends rearwardly and downwardly and terminates in a slotted portion 29 for the reception of a pin 3() on a bracket member V26 which is sleeved on member 26 andv l.held in 'any adjusted position Specification of Letters Patent.` Pat-@nigga VJune 28 1921 i by a set screw 3l. The stem 28 of the T- shaped member is prevented from falling out of. engagement with the pin by Ya cotter 32. Pivotally secured to the ends of the oppositely extending arms 33 and 34 of the T-shaped member 27 are rearwardly extending links- 35 and 36, respectively which are pivotally connected to foot leversl 37 and 38, respectively, provided with foot treadles 39 and 40. The front ends of the foot levers 37 and 38 are pivotally supported by a suitable bracket 41 secured to the central portion of the main frame member 10.

By means of this arrangement it is apparent that the foot levers 37 and 38 can be actuated trom the operatoris seat 42 to shiiit bar 26 laterally and thereby angle thetraction wheels k2() simultaneously forchanging the The seat 42 is adjustably secured by a bolt 43 to seat-support ing bars 44 which pass over and rest upon the main frame membery 10 and are pivotally connected toV the inner members of 1 the'braces l2 and 13.

The cultivator Vgangs 45, 46, 47 and 48, which may be of any suitable type, are individually supported at their front ends by l bail members 49, the upper horizontal portions of which are lloosely j'ournaledand movable longitudinally to some extent in suitable bearings 50 mounted on or formed in the frame members l() and 11, the front Yportions of the bail members extendingr downwardly and slightly forwardly and terminating in loops -or eyes 8()1 which loosely receive projections 5l extending forwardly lfrom the main. portion of members 52 which also have trunnionsextending into bearing portions 53 of the front ends of side bars of each gang. In this vway the gang members may swing laterally about the horizontal axis ot the bail 49 and swing on Ithe trunnions during raising and lowering move-` ments of the gangs. The rear end of each bail member extends downwardly through a slotted member 54 between the side bars oir each gang. The front of each gang alsoY is yieldingly supported by suitable springs 55 connected to eye bolts/56 lwhich pass through the 'front trame member 11 and adjusted by suitable members 57 Jfor, changing the effect of the springs 55. It will be noted that the gangs in this case are not pulled in the same sense that gang` 4members of other cultivators are, for the reason that push rods 58 are provided, the upper ends of which are pivotally mounted in bearings 59 secured to the rea-r of the frame member 10, and the front portions of which are slidably journaled in bearingV portions 60 ot membersk 52. By this arrangement the rods 58 transmit a pushing orthrusting action from the main frame member l0 tothe front f ends of each of the gang members.

It will be noted that the bearing portions' 60 are made-free to slide up and down on the vertical ends of the push rods'58, 'there-1 by permittingv these elements to'swing about the horizontal axes of the bails 49. Itl is necessary, moreover, to [accommodate the 50.l The bails 49 and theV members 52 of the Y gangs 45 therefore move backward and forward together enough to compensate for the swing of the push rod 58. i It will also be noted that the upper and lower ends Aof the sof push rods V58 are parallel to each other and y connected by the portion therebetween,l a crank member'being formed which permits of the lateral movement o'fthe gangs to a y degree meeting practical requirementswithout any cramping raction being occasioned,"

while `the baiis 49 serve to keep the beams at right angles to the frame during lateral adjustment and parallel to each other at all times. 1

Mention has been made of the tact that the gangs may be moved laterally. This is for the purpose of changing the distances between the gangs. Slidably mounted upon the connecting member 26 are sleeve members 61 having depending'arms 62 `(see Figs.

5 and 6), to which aresecured rods 63 which Y extend downwardly'. through a erturedplates 64 securedl tosideY bars ofv t e cultivator gangs. By means of this arrangef ment it is seen that if the sleeve members 61V are shifted laterally on the connecting member 26, the gangs will be moved and adjusted laterally with respect to each other.

The gangs may be locked in ytheir adjusted position by suitable locking members 65 which pass into slots 66 (see Fig. l) properly located ina cross bar 67 secured to the bracket 261 which carries pin 30.y` The slotted bar 67 is supported further by looped por tions 68 formed integral: with the sleeve members 6l. f

The cultivator gangs maybe raisedY and lowered individually -orrsimultaneously by means of the following controlV mechanism:

As shown, this cultivator' is provided with Y four gangs. Two sets of levers of threeV each are provided for controlling the raising and lowering movement ot the gangs. One'rset will be described in detail,'it being .understood that the otherset is substantiallyvthe same except for right and left-hand parts. Mounted upon the main -frame member 10 and to one sideotthe middle thereof, are suitable supports for a stationary rod`69, about which the lever members 70, 71 andl 7 2 may pivot. The lever member 70 is provided with an elongatedsleeve portion 721 which surroundsone portion` or the rodf69 land terminates lin an yarm 73, which is lexibly' Y 8l of the lever 71.

connected with the cultivator gang 45 through a rod 74 and spring 75. The lever 7l has at itslower end a small sleeve portion 76 which also sui-rounds the rod 69 and has an arm 77 which is operatively connected to the gang 46 in asimilar manner. From this arrangement it is seen that if the lever V is actuated, the gang 45 may be raisedy and lowered, and if the lever 7l is actuated, the gang 46 may be raised and lowered. It will be noted that the central lever 72 is provided with and carries opposi'tely extending vsegment members 78 and 79, the first of which normally is engaged by the detent 80 of lever 70 and the second of which normally is engaged by the detent The central lever 72 also has a detent 82 whichnormally engages witha main se0ment'83 secured to the frame member l0. y raising the detent 8O the side lever 70 is released from the central lever and may be actuated for raising and lowering the gang 45 individually. In -a like manner, if the detent 8l of lever 7l is raised, said lever will be released from thecentral lever 72 so that the gang 46 may be raised vand lowered individually. -However, if it isdesired to raise and lower two gangs 45 and 46 simultaneously, levers 70 and 71 will remain locked to their respective segments 7 8 and 79 of the central lever 72 and said central lever 7 2, after being liberated from its segment 83, may be actuated for raising and lowering the gangs 45 and 46 simultaneously. In a like manner, the gangs 47 and 48 are individually and simultaneously raised and lowered. v

In operation, the desired spacing of the gangs is obtained by adjusting the sleevev` members 6l on bar Q6, their connections to the gangs through rods 63 and plates 64 causing each gang to move laterally with its sleeve member 61, the loose connections of the gangs to bails 49 andof the bails to the frame permitting a sufficient range of movement to meet all requirements while keeping thevgangs in parallel relation at all times. Lateral adjustment of the gangs, of course, necessitates proper setting of the individual lifting levers to properly level each gang as the links 74 form one of the supports of the gangs. With the gangs in desired positions and the cultivatorl in use, guiding of the cultivator to follow deviations in the rows is effected through the lever mechanism 918-39 above described which operates 4to shift bar 26 laterally on the machine and with it the gangs, at4 the same time angling the wheels to steer the machine in the direction of the shift. Such deviations are never great, and only a slight movement of the gangs and wheels is required to follow them, the combined actions of shifting and steering resulting in considerableV lateral movement of the gangs relatively to the rows owing to the fact that the gangs are swung laterally on the frame while the frame is being steered laterally in the same direction.,

cultivator,"tlie lateral swinging adjustment y of the gangs, and the individual and simultaneous raising and lowering feature of the gangs, which together provide a cultivator which isV adapted to meet the many requirements for successful operation.

It is evident that there may be various Vmodifications Yof the arrangement herein particularly described, and it is my inten-k tion tov cover all such modifications which do not involve a departure from the spirit and scope yof my invention as set forth in the following claims:

that I claim as my invention and desire to secure by Letters Patent is: 1

l. In a cultivator, the `combination of a frame, ,swiveled wheels thereon, a steering bar connecting the wheels, forwardly and downwardly extending push rods pivoted to the frame on vertical axes, implement .beams pivoted on the lower ends of said rods,latch members slidably mounted .on said steering bar and provided with depending arms loosely engaged with the beams, and latch locking means on said connecting bar posi-V ioned for engagementby said latch memers.

2. In a cultivator, the combination of a frame, swiveled wheels thereon, a steering bar connecting the wheels, forwardly'and downwardly extending push rods pivoted to the frame on vertical axes, implement beams pivoted on the lower ends of said rods, laterally swinging bails having their horizontal portions loosely journaled on the frame and their arms loosely engaged with the beams, latch members slidably mounted on said steering bar and provided with depending arms loosely engaged with the beams, and latch locking means on said connecting bar positioned for engagement by said latch members. f

3. In aV cultivator, the combination of a frame, swiveled wheels thereon, a steering bar connecting the wheels, forwardly and downwardly extending push rods pivotedto the frame on vertical axes, implement beams pivoted on the lower ends of said rods, latch Vmembers slidably mounted on Said Vsteering bar Vand provided with depending arms loosely engaged with the beam-s, latch locking means on said connecting bar positioned for engagement by said latch member, and means kfor shifting the connecting bar' laterally thereby simultaneouslyv swivel- Y ing the wheels and shifting the gangs.

4. In a cultivator, the combination of a frame, swiveled wheels thereon, a steering bar connecting the wheels, implement beams connected to the frame for lateral movement,

, slidably engaged by each of thelatch memlatch members slidably mounted on said steeringybar and provided with depending arms loosely engaged with the beams, a latch Vbar secured tosaid steering bar and bers vand .means for adjustably locking the latch 'members to the latch bar for laterally adjusting the beams.

5. In a cultivator, the combination of a wheel supported frame includinga main transverse .member,a forwardly and downwardly extending push rod pivoted to the frame on 4the vertical axis, an implement beam pivotedto tlie'lower endof'the push rod on a vertical axis, means for shifting thevbeain andpush rod laterally, and a laterally swiiigingmember comprising a hori- Vlzontal portion loosely journaled on the frame a forward arm loosely engaged with the .forward end of the implement beam in advance of the push rod and a rear arm loosely engaged with a rear portion of the beam,rsaid .swinging -membermaintaining the beam at Vright angles" to said rmain Y frame member when the beam is shifted laterally with the push rod.

6. InV a cultivator, the combination of a wheel supported frame including a main 4transverse member, a forwardlyand downwardly extending push rod pivoted tothe* frame on a vertical axis, an implement beam pivoted-to thelower end of the push rod on a vertical axis, means for shifting the beam and pusli rod laterally, and means for keep-w ing the beam at rightangles to said main..

frame member when the beam isshifted laterally with the push rod.

7. In-va cultivator,4 the combinationof a vwheel supported frame including a main transversermember, a forwardly and downwardly extending push rod having vertically positioned upper and lower ends, the upper end being gournaled in a vertical sleeve on In testimony whereof IV aiiix my signature.

SAMUEL K. DENNIS.

245 the frame, an implen'ieiity beam having a sleevemember Journaled on the lower end 'ofA

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