US830000A - Foot-lift for sulky-plows. - Google Patents

Description

No. 830,000. PATENTED SEPT. 4, 1900. 0. A. PBNN'OGK 0 W. E.. JOHNSON.

FOOT LIFT FOR SULKY PLOWS.

4 SHEETS-MEET 1.

APPLICATION FILED JULY 24, 1903.

100.830,000. FATENTED SEPT. 4, 1906. G. A. FENNOCK & W. E. J0H1\ISO1\T.v FOOT LIFT FOR SULKY FLOWS.

APPLIATION FILED JULY 24, 1:903".

4 SHEETS-SHEET 2.

No. 830,000. PATENTED $010.24, 1906. G. A. PBNNOGK 0 W. E. JOHNSON. FOOT LIFT FOB. SULKY PLOWS.

PPPPPPPPPPPPPPPPPPPPPPPPPP 3.

EEEEEEEEEEEEE 3.

@im|"um"||||||||||||l|||lllllllllllllllllllllll fog.

m1000011 v' |L| n PATBNTED SEPT.4,'1906. Gr. A. PENNOGK & W. E. JOHNSN.

4 SHEETS-SHEET 4.

APPLIOATION FILED' JULY24,1003.

FOOT LIFT POR SOLKY PLOWS.

www

IINITED STATES PATENT @FFME GEORGE ALGER PENNOOK AND WILLIAM E. JOHNSON, OF ROOK ISLAND, ILLINOIS, ASSIGNORS TO ROOK ISLAND PLOV COMPANY, OF ROOK ISLAND, ILLINOIS, A CORPORATION OF ILLINOIS.

FOOT-'LIFT FOR SULKY-PLOWS.

Specification of Letters Patent.

Patented Sept. 4, 1906.

Application filed July 24,1903. Serial No. 166,810.

To all whom t may oon/cern:

Be it known that we, GEORGE ALGER PEN- NOCK and vWILLIAM E. JOHNSON, citizens of the United States of America, and residents of Rock Island, Rock Island county, Illinois, have invented a certain new and useful Improvement in Foot-Lifts for Sulky-Plows, of which the following is a specification.

Our invention contemplates an improved foot-lift for use .in connection with sulkyplows of various constructions.

It is adapted more particularly for use in connection with sulky-plows of that type in which provision is made for adjusting Orcontrolling the landside-wheel independently of the balance of the machine.

Generally stated, the obj ect of our invention is to provide a simple, improved, and highly-efficient foot-lift.

A special obj ect is to provide an improved foot-lift so constructed and arranged that the foot-lever will remain in a horizontal or practically horizontal position from the time the foot is placed upon it until the landsidewheel assumes the desired position relatively to the balance of the machine.

Another Object is to provide an improved construction and arrangement whereby a parallel motion may be utilized in a practical and efficient manner for maintaining the footlever in the said horizontal or practically horizontal position during the independent manipulation of the landside-wheel.

It is also an object to provide certain details and features of improvement tending to increase the general efficiency and serviceability of a foot-lift arrangement of this particular character.

To the foregoing and other useful ends our invention consists in matters hereinafter set forth and claimed.

In the accompanying drawings, Figure l is a side elevation of a sulky-plow equipped with a foot-lift arrangement embodying the principles of our invention, the plow being shown in working position relatively to the wheels. Fig. 2 is a plan of the plow shown in Fig. l'. Fig. 3 is a view similar to Fig. l, but showing the plow raised out of the furrow. Fig. 4 is a detail sectional view 0f the connection between the crank-shaft and spindle of the landside-wheel. Fig. 5 is a detail crosssection on line 5 5 in Fig. 4.

The plow with the exception of the footlift arrangement can be of any suitable known or approved construction, For eX- ample, as illustrated, it may comprise a plowbeam A and a plow B of the usual form and construction. The plow and beam can be supported by front and rear furrow-wheels O and D and by a landside-wheel E. The front furrow-wheel can be mounted on the outturned lower portion of a vertically-arranged stem c, which is adapted to turn in a bracketbearing d, secured to the plow-beam. This bracket bearing or sleeve is adapted to slide up and down upon the said stem. The tongue c2 is preferably secured to the upper end of the stem c. As a means for raising and lowering the sleeve c upon the said stem so as to raise and lower the plow the machine can be provided with a hand-lever F, which is secured at its lower end to the horizontally-arranged crank-shaft G and which is connected with the sleeve c through the medium of a link f and a rock-shaft f. The said rock-shaft is provided with two arms f2 and f3, the former having its free end connected with the said link f and the latter being connected with the upper end of the stem c through the medium of a link f4 and a casting f5. It is through the medium of this casting f 5, having a hinge-jointe: with the tongue, that the latter is connected with the stem c. Thus when the said lever is swung about its axis it causes a rocking motion of the rockshaft f and a consequent vertical sliding movement of the sleeve c/ upon the stem c. This of course carries the forward end of the said beam up or down, according to the direction in which the lever is swung. The rear furrow-wheel D is preferably in the nature of a caster-wheel. As such it is mounted upon the rearwardly-extending lower portion of a caster-stem d, which latter is mounted to turn or oscillate in a bearing-sleeve d. In order that the rear portion of the plow-beam and the plow may rise and fall relatively to this rear furrow-wheel or caster-wheel, the said sleeve d is preferably connected with the said plow-beam by means of upper and lower links d2 and d3, said links having their IOC forward ends pivotally connected with the that all three wheels can be siimiltaneously plow-beam and their rear ends pivotally connected with ears on the sleeve d. One of the upper of said links is preferably of the nature of a bell-crank, being provided with a rear downwardly-extending arm d4. This arm is connected, by means of a link d5, with a stubarm d6 on the lower end or hub portion of the said hand-lever. In this way the said lever when swung about its axis will cause the said bell-crank to either lift or lower the plow relatively to the rear furrow-wheel, according to the direction in which it is swung. When the said lever F is pulled back and toward the driver's seat H, the plow will be lifted bodily relatively to the front and rear furrowwheels. Tt will be observed at this junction that the said seat is mounted upon the sleeve cZ, and hence that the weight of the driver is suitably sustained by the rear furrow-wheel.v

In order that the tongue c/l may exert a certain amount of control over the rear furrowwheel as well as the front iirrow-wheel, the casting f5 is preferably provided with a hori- Zontally and traversely extending slot f6, adapted to receive the upturned forward end of a rod f 7 the latter having its rear end suitably connected with a laterally-disposed crank-arm i7 on the upper end of the stem d. Thus the tongue holds the stem d against turning or oscillating in its bearing while the machine is running straight ahead, but allows the said stem to turn and permit the rear furrow-wheel to swing freely from side to side when the course of the machine is altered as, for example, in turning around.

The landside-wheel E is preferably mounted on a spindle e, the latter being mounted at the end of a casting or crank-arm e. This casting or crank-arm is loosely mounted on f the crank-shaft G, which latter is mounted to turn in a bearing g, secured to the plowbeam. The hand-lever e2 is preferably rigidly secured to or made an integral part of the casting or crank-arm e. The toothed rack e3 is adapted to be engaged by the locking-bolt e* on the said hand-lever e2 and is rigidly secured to the said shaft G. Thus when the said hand-lever and rack are locked together the crank-arm e/ is locked against turning relatively to the shaft G; but by disengaging the said lever from its rack the spindle e, upon which the landside-wheel is mounted, can then be utilized as a fulcrum about which to swing the lifting-lever composed of the rigidly-connected arm e and lever e2. A backward pull on this lever will obviously lift the crank-shaft and plow-beam, or, in other words, cause a relative downward swing on the part of the spindle e about the crank-shaft as an axis. In other words, the landside-wheel can be given an independent manipulation by simply pulling back on the lever e2 after the same has been disengaged from the rack e3. It is also obvious controlled or adjusted relatively to the plow and beam by disengaging the lever F from its rack fs and by then rocking the crank-shaft G in its bearings.

In order that the driver may use his foot for assisting in lifting the plow out of the furrow, a foot-lever I is preferably mounted upon the said spindle e, so as to turn :freely thereon, and is provided with a downwardlyextending arm t. Thus formed the said footlever is in the nature of a bell-crank having a rear portion i, upon which the driver may conveniently place his foot to assist in raising the plow@ out of the furrow. In order that the said foot-lever may serve in the capacity of a lever with the spindle e as a fulcrum., its arm t' is preferably connected with the lower arm Z of the rack e by means of a link if. Tt will be seen that the distance from the center or axis of the said spindle to the center or axis of the shaft G is the same as the distance between the points of pivotal connection of the opposite ends of the link t2 with the arm i and the lower end of the rack e3. T hus the link i2 and the casting or crank-arm e are adapted to constitute the at-all-times parallel members of a parallel-motion connection between the landside-wheel and the plowbeam. In other words, the members i2 and e constitute the horizontally-disposed elements of what may be termed a parallelmotion connection, and the members i and 2 constitute the vertically-disposed elements of said connection. Tith this arrangement the lever F when released from its rack can be pulled back so as to raise the plow and beam, and the driver can employ his foot for assisting in this operation by bearing down on the rear end of the lever I. In other words, the spindle e will act as a fulcrum about which to tilt a lever, the long end of the lever being adapted to be grasped by the hand, while its short end is adapted. to be engaged by the foot of the driver, but when the plow is in working position and. it becomes necessary or desirable to wing the plowthat is to say, to keep the bottom level while working on a side hill, for example, or while the landside-wheel is running over an obstruction-then the landside-wheel can be controlled independently of the balance of the machine by manipulating the lever e2, and the advantage of the parallel-motion connection. lies in the fact that while thus manipulating the landside-wheel independently of the balance of the machine the footlever I will retain its horizontal or practically horizontal position from the time the driver starts to move the lever e2 until the plow is given the desired position. This, of course, and as will be clearly understood is due to the action of the parallel motion, the connection causing the arm fi to remain parallel with the arm z on the bottom of the rack. In

IOO

IIO

other words, the foot-lever will maintain its horizontal position as long as the position of the rack e3 remains unchanged. This is of great advantage in a foot-lift of this'character, as it enables the driver to advantageously and conveniently employ his foot for assisting in manipulating the landside-wheel relatively to the plow and beam. For when the landside-lever is manipulated for the purpose of rocking the plow or lifting up or winging, which is usually accomplished by throwing the lever either forward or backward, as the case may be, this parallel-motion connection maintains the foot-lever in its horizontal or practically horizontal position. When the plow is raised from the ground, which is'accomplished by pulling back on the lever F, the foot-lever then, of course, swings in a downward direction, the parallel-motion connection, the crank-arm, and the crankshaft at such time being maintained in a rigid condition and having no movement whatever relatively to each other. The parallelmotion connection makes it possible to manipulate the landside-lever without effecting the availability of the foot-lever as a means for assisting the lever F in raising the plow from the ground. No matter what is done to the landside-wheel independently of the balance of the machine it will be seen that the foot-lever is always ready and in proper position to be engaged by the drivers foot.

What we claim as our invention isl. In a sulky-plow, the combination of a plow and beam, supporting-wheels including a landside-wheel, a hand-lever connected and arranged for adjusting said landside-wheel relatively to the plow and beam, a rearwardlyprojecting foot-lever for assisting said hand-lever in its work, means whereby the landside-wheel may also be adjusted relatively to and independently of the other wheels, and a parallel-motion connection ada ted to maintain the said foot-lever in its horizontal position-during the o eration of adjusting the landside-wheel re atively to the plow and beam and independently of the other wheels.

2. In a sulky-plow, the combination of a.

said hand-lever in its work, means whereby4 the landside-wheel may also be adjusted relatively to and independently of the other wheels, and a parallel-motion connection for maintaining said foot-lever in its horizontal position during the operation of adjusting the landside-wheel relatively to the plow and beam and independently of the other wheels,-said parallel-motion connection tionary relatively to the plow-beam during the independent adjustment of the wheel.

8. In a sulky-plow, the combination of a plow and beam, supporting-wheels including a landside-wheel, a rearwardly-projecting foot-lever for adjusting said landside-wheel relatively to the plow and beam, means whereby the landside-wheel may also be adjusted relatively to and independently of the other wheels, and a parallel-motion connection for maintaining said lever in its horizontal position during the operation of adjusting the landside-wheel relatively to the plow and beam and independently of the other wheels.

4. In a sulky-plow, the combination of a plow and beam, supporting-wheels including a landside-wheel, a rearwardly-projecting foot-lever for adjusting said landside-whee relatively to the plow and beam, means whereby the landside-wheel may also be adjusted relatively to and independently of the other wheels, and a parallel-motion connection for maintaining said lever in its horizontal position durin the operation of adjusting the landside-whee relatively to the plow and beam, said parallel-motion connection including a member adapted to remain stationary relatively to the plow-beam during the relative adjustment of the wheel.

5. In a sulky-plow, the combination of a plow and beam, supporting-wheels includ-r ing a landside-wheel, a transversely-disposed shaft, a crank-arm having a hub por-- tion loosely mounted on said shaft, a spindle carried by the said crank-arm and upon which the said landside-wheel is mounted, a

, hand-lever rigid with the hub portion of said crank-arm, a rack rigidly mounted upon said shaft and provided with a depending arm, a locking-bolt on said lever adapted to engage said rack, a bell-crank-shaped foot-lever mounted on said spindle, and a link connecting said depending arm of the rack with the said foot-lever, whereby the said foot-lever is adapted to retain its horizontal position when the said hand-lever is disengaged from the said rack and the crank-arm swung about the said shaft.

6. In a sulky-plow, the combination of a plow and beam, supporting-wheels shiftingly connected with said beam, a foot-lift for raising and lowering the plow, means whereby the plow may be winged, and a parallel-motion connection for maintaining said lift in its horizontal position during the operation of winging the plow the point of pivotal connection between two elements of said connection being coincident with the axis of one of said wheels,

7. In a sulky-plow, the combination of supporting-wheels, a plow suitably carried by said wheels and adapted to be raised and including a member adapted to remain .stalowered, a foot-lift for raising and lowering TOO the plow, means whereby the plow may be winged, and a parallel-motion connection for preventing tilting movement of the lift when the plow is winged.

8. In a sulky-plow, the combination of supporting-Wheels, a plow suitably carried by said wheels and adapted to be raised and lowered, a hand-lever suitably connected for raising and lowering the plow, a foot-lift for assisting said hand-lever in its work, means whereby the plow may be winged at will and a parallel-motion connection for preventing tilting movement of the lift when the plow is winged the oint of pivotal connection between two e ements of said connection being 15 coincident with the axis of one of said wheels.

Si ned by us at Rock Island, Illinois, this 7th ay of July, 1903.

GEORGE ALGER PENNOOK. WILLIAM E. JOHNSON.

Witnesses:

S. E. JONES, A. B. FRENIER.

Images