US19189A - Improvement in machines for plowing - Google Patents

Description

J. W. FAWKES.

Steam-Plow.

Patented Jan. 26, 1858.

NITED STATES ATENT FFICE.

JOSEPH IV. FA\VKES, OF UHRISTIANA, PENNSYLVANIA.

IMPROVEM ENT IN MACHINES FOR PLOWING.

Specification forming part of Letters Patent No. 19,189, dated January 26, 1858.

' To all whom it may concern.-

lowing is a full, clear, and exact description of the same, reference being had to the accompanyingdrawings, making a part of this specification, of which- Figure 1 is a side view; Fig. 2, a top view, exhibiting the form of the driving-roller or main wheel and the device for guiding the front .wheels; Fig. 3, a section showing the gear connecting the main wheel and crankshaft; Figs. 4 and 5, sections showing the devices for protruding the spuds of the drivingwheel.

By my improvements in locomotive-plows, wherein I employ a large barrel-shaped or bulged driving-wheel for the propulsion of the machine, I avoid the sinking in the earth ofthe wheels hitherto employed, and thus enable me to employ the locomotive in the culture of soft land, or where it is desirable to pass the locomotive over plowed land in harrowing or seeding, &c. This driving-wheel is furnished with spuds or spears, admitting of being projected or withdrawnand retracted. By this means a greater hold to the wheel on the earth can be given when the land is hard, thus securing the full traction of the machine. The plows are secured in an adjustable frame, (attached to the rear of the locomotive,) so as to admit of plowing and of being readily raised when requisite. In the guidance of the front wheels I employ a Windlass and band, operating a screw, which meshes into cogs of a segmental rack projecting from the rear of the axle of said front'wheels.

To enable others to construct and use my improvements, I will describe them as follows.

A represents the boiler; B, the water-tank, placed on the same frame as the boilerand engine; 0 G,the front wheels. aa are hounds, on which is secured the segmental rack b. The front axle is furnished with a circular plate for giving steadiness of movement.

D is a screw on a shaft, provided with a pulley, d, on the end of its axle.

e is a larger drum or pulley on the frame of the locomotive, being furnished with handles for turning. A band or strap passes around the pulleys, thus moving the screw and the rack attached to the front wheels either to the right or left, while the large barrel-shaped driving-wheel E facilitates the turning of the locomotive.

f is the pitmau-rod attached to a loose crank turning on the axlegof the main wheel E. This wheel is made up of staves clamped together, with heads of metal, and rods and screw-nuts. It forms a barrel-shaped wheel, in which is a diaphragm, h, (see Fig. 4,) having suitable groovesfor the reception of sliding spuds or spurs 7c is. Three of those spuds areshown in the lower part of this figure, and a. side view of the spud as enlarged is seen in Fig. 6, with its notch for the reception of a bar, m, projecting from the under side of a movaable ring. (Shown by Fig. 5. This figure presents an inverted view of the ring.) In Fig. 4 the bars at m are shown in their position in the recesses of the spuds by supposing the plate-ring to have been removed.

a is a pivoted lever moving on a center pin, 00. It is formed with cogs, which mesh into a segmental rack, 0,-secured to the diaphragm. WVhen it is requisite to project the spurs or spuds k, as in plowing hard earth, the end of the lever n is drawn to the side of the recess, thus moving the ring h and its bars at m, said bars operating upon the spurs and projecting them out or withdrawing them as the lever is moved to the right or left.

The device for throwing the crank into gear with the main driving-wheel E is thus described: 12 is a handle secured on an eccentric-shaft, q, (see Fig. 3,) which is confined in journal-blocks 1', attached to the frame of the locomotive. The shaft q is enlarged, and has upon it the wheels 8 and pinion t, attached thereto. This wheel and pinion turn on a sleeve on shaft q. u is a wheel secured by screws to the head of the wheel E, and turning therewith. o is a pinion, and w a crank, both sleeved and turning freely on the shaft or axle g of the main driving-wheel E.

To throw the crank into gear with the wheel E, raise the handle 12, which will throw the wheels 8 and it into mesh with wheels u and 2:, thus uniting in movement the crank w and wheel a.

When not in gear the crank and wheel v move freely on the axle g, the wheels 8 and if having been removed from mesh by the dropping of the handle 11.

One of the advantages gained by the use of the barrel-shaped driving-wheel is that of sup-' porting the water-tank and a large portion of the engine upon its broad surface.

The plow-frame consists of side timbers, 2 2, and diagonally-placed cross-girts 3 3. The girts are made with vertical slots 4 4 for the purpose of allowing the bolts confining the plow-beam and its frame to be adjusted to each other. 5 5 are slotted plates through which the clamping-bolts pass, and through which the uprights 6 6, rising from the plow-beam 7, also pass. 8 is one of the plows, and 9 is a gage-wheel, which admits of being raised or lowered as the frame requires change.

To adjust the plows to their worksay to give them poi.nt-then lower the front standard 6 and raise the rear one. In this way the plows may be made to enter the soil more or less. The relative position they may require to each other can be obtained by moving the plates 5 5, &c., in the slots 4 4. The plows are drawn by a chain attaching their beams to projecting pieces connected with the front The employment of the barrel-shapedwheel or driver E, constructed with spurs k k in themanner described, in combination with guidin g-wheels 0 c and screw 1) and segmental rack b, for the purpose of drawing the plow-frame and plows described in the manner set forth in the foregoing specification.

In testimony whereof I have signed my name before two subscribing witnesses.

JOSEPH W. FAWKES.

Witnesses:

R. A. lWIARsHALL, D. P. SHEELER.

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