US1218003A - Wheel-plow. - Google Patents

Description

N. SANDERS.

WHEEL PLOW.

APPLICATION FILED ocT.I1. 191s.

' Patented Mar. 6, 1917.

Inventor la/tell Sanders,

NE'WELL SANDERS, OF CHATTANOOGA, TENNESSEE.

WHEEL-PLOW.

17 o all whom t may concern Be 1t known that I, NmvnLL SANDERS, a

`citizen of the United States, and resident of Chattanooga, Tennessee, have invented certain new and useful Improvements in `/Vheel- Plows, of which the following is a specification.

My present invention relates to improvements in Wheel plows and has among its objects to provide means for utilizing the power of one or more of the plow wheels to effect the raising and lowering of the plow,

and further to make this change of elevation gradual and provide means for positively locking the plow in its different elevations without permitting it to fall from -one position to another and without-the necessity of any manual adjustments.

With theseand other objects in view the invention includes the novel features of construction and arrangement and combination of partsA hereinafter particularly described and defined by the appended claims.

vinthe accompanying drawing, showing an embodiment of my invention, I have illustrated my improved raising and lowering means as applied to the landside wheel,

. but it will be understood that it is appli- :cable to a-ny ofthe supporting wheels of the plow, the landside wheel only being shown for convenience of illustration.

In this drawing, Y Figure l is a side elevation, Fig. 2 a plan view, and, Figs. 3 and l detail views.

Referring more particularly to this drawing, the numeral 1 designates a supporting wheel provided with a hub 2 which ,is journaled on'v a stub axle 3. This stub axle is carried by one end of a crank arm 4l', the opposite end' of which is secured-`to a sleeve 5 `journaled in a bearing member `G. Where the wheel employed for the automatic 'rvise ing and lowering is the landside wheel, the

-sleeve may be journaled in a bearing mmber 6 which is connected with the frame by a crank member 7 which may be swung in its bearing 8 on the frame and held in its adjusted position by means of a hand lever 9 operating in the ordinary an'd well under-` stood manner, so that when desired theraising and lowering may be efected manuallv withoutresorting tothe power raising and lowering means. Journaled on4 the stub shaft 3, and preferably between it and the crank arm is a Aspur gear 10 whichy is non- Specicaton of Letters Patent.

Patented Mar. 6, 1917.

Application filed October 17, 1916. Serial No. 126,173.

preferably of disk or wheel shape having an annular. flange 15 concentric with the shaft 13 provided with internal recesses 15b. This member 15 is fast on theropposite end of the i sleeve 5. bracket 6a carried by the bearing 6, or other convenient frame part, has a guide 6b for a plunger 16 which is movable toward and from'thevsha-ft 13 and is normally forced upwardly awa-y from the shaft b y a spring 17 so that a pin or projection on one side thereof normally rests in one oftheV recesses 15b4 of the stationary ange 15a. This projection is preferably in the shape of a pin 18 passing-through and held in the plunger and projecting `from both sides thereof so as to form a projection 18a 0n one side to roperate with the recesses 15b, and a similar projection 18b on the opposite side to engage with the teeth of the spur gear 14. Normally, the plunger 16 being held in its outermost position with the projection 181" in engagement with one of the recesses 15", the member 15 and with it the sleeve 5 and arm 4 are held locked rigidlyv to the frame and the plow rmaintained ata certain elevation.

Duringthistime while the gears 10, 12 and 14 are rotating, said rotation is Without` effect, the. 'movement being purely an idle one. When it is'desired to raise the plow, supposing itv to be drawn forwardly, move- 'ment'of the plunger inward disengages projection 1,8a fronnthe recess 15". Simultane- `.ously with such disengagement, projection lbenters between the teeth of spur gear 14 and 'locks thelsameagainst rotation, simultaneously holding gear 12 stationary. Continued movement, therefore, of spur gear 10 Causesit to roll around and upon gear 12, swinging arm 4 in the proper direction to effect the elevation of the plow. Arm' Ltbe- .ing fastion sleeve 5, also rotates element or disk 15 and this movement continues until yanother notch: 15b registers :with projection 18b whenthe spring immediately forces the plunger outward, causing the projection 18" on said plunger to release the gear 14 and' `the annular fiange l5 (as shown in full the tractor,

an axis Iconcentric lines Fig. 3) until the next recess is reached, so that-it is only necessary to give an initial inward movement to the plunger.

A convenient manner of operating the plunger is to provide a bell crank lever 19 fulcrumed 4upon a stationary pivot 20 and engaged by a pin 2l carried This bell crank lever may be connected by a cord to a suitableplace on not shown, within convenient reach of the operators seat, so that a pull. in the direction of the arrow will depress the plunger against the tension of the spring.

What I claim is l. In a wheel plow, a supporting wheel, a frame carrying a furrow opener, a crank` arm pivotally supported from said frame, said supporting wheel being rotatably connected with said crank arm, a gear concentric with said supporting wheel and connected to be driven thereby, a second gear supported from the frame and rotatable on with the pivotal axis of said arm and meshing with said first named gear, and means for locking either said having a slot 19'd by the plunger.

crank arm or said second gear againstmovement.4 y l l 2. In a wheel plow, a supporting wheel, a frame carrying a furrow opener, av sleeve rotatably supported from said frame, a crank arm rigidly carried by one end of said sleeve, said supporting wheel being rotatably connected with said crank arm, a gear. connected to be driven by said supporting wheel, a second gear rotatable about an axis coincident with the axis of said sleeve and meshing with said first named gear, and means for looking either said 'sleeve or said second gear against movement.

3. In a wheel plow, a supporting wheel, a

frame carrying a furrow opener, a sleeve rotatably supported from said frame, a crank arm carried by one end ofsaid sleeve, a supporting wheel j ournaled at the free end of said arm, a gear rigidly connected to said wheel concentric therewith, a shaft journaled in the sleeve and carrying a gear meshing with the first named gear, notched locking wheels on said shaft and sleeve and locking means for engaging the notches of either one of the locking wheels.

4. In a wheel plow, a supporting-wheel, a frame carrying a furrow opener, a sleeve rotatably supported from Said frame, a crank arm carried byone end of said Sleeve, a supporting wheel. journaled at the free end of'saifi arm, a gear rigidly connected to said wheel concentric therewith, a shaft journaled in the sleeve and carrying a gear meshing with the first ynamed gear, notched locking wheels on said shaft and sleeve and locking means adapted to lock either of said locking wheels, yielding means for normally holding said locking Ine-ans in engagement with the locking wheel on the sleeve, and, lmanually operated means for disengaging said locking means from the locking wheel on the sleeve and temporarily engaging it with' the locking wheel on the shaft.

5. In a wheel plow, a supporting wheel, a frame carrying a furrow opener, a sleeve rotatably supported from said frame, a crank arm carriedby one end of said sleeve, a supporting wheel journaled at the free end of said arm, a gear rigidly connected to said' wheel concentric therewith, a shaft journaledin the sleeve and carrying a gear meshing with the first named gear-,a loc-king wheel fast on the sleeve, a second locking wheel fast on the shaft, one of said elements having internal recessesI and the other external recesses, a movable element having one or more projections to engage said notches, means for normally positioning said element to hold its projection in a recess of one locking wheel, and means for manually forcing it into position to engage its locking projection with a recess in the other locking wheel.

NEWELL SANDERS.

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