US10881A - Improvement in seed-planters - Google Patents

Improvement in seed-planters Download PDF


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US10881A US10881DA US10881A US 10881 A US10881 A US 10881A US 10881D A US10881D A US 10881DA US 10881 A US10881 A US 10881A
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    • A01C7/00Sowing
    • A01C7/08Broadcast seeders; Seeders depositing seeds in rows


No. 10,881. Patented May 9, 1854.
12 .3. III 121 ,IIM EE 1: 1 0);
Specification forming part of Letters Patent No. 10,881, dated May 9,1854.
To all whom it may concern:
Be it known that we, GEORGE '1. Emma and DANIEL Wtssmcna, both of Springfield,
in the county of-Olarke and State of Ohio, have invented certain new and useful Improvements in Seed-Planters; and we do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, making a part thereof, in which- Figure 1 represents a rear elevation of the machine; Fig. 2, a vertical cross-section at the red line a m of Fig. 1; and Fig. 3, a top view, longitudinal vertical section, and bottom view, respectively, of the seeding-bar.
The nature of our invention consists in the method of adjusting'or regulating at pleasure the several parts for furnishing the proper quantities of seed to be sown.
To enable others skilled in the art to make and use our invention, we will proceed to describe the same with reference to the drawings, in the several figures of which similar letters denote like parts.
The frame A may be constructed in any well-known substantial manner, and is hung to the axle B, suitably provided with wheels 0, by means of boxes or bearings D at each end of said frame. The-boxes l) have two projecting pieces, a a, which span the axle, so that it may freely turn between them. The frame A rests upon two eccentric rollers, E E, which are respectively fastened to so as to turn with the pins 12 b, passing through the jaws a a of the boxes above the axles. There are attached to the pins 71 (one only being distinctly seen) crank-arms c c, to each of which is attached a cord, 01, the cord in its center being fixed to so asto turn with the shaft F, suitably supported on the frame, said shalt being provided with a hand-wheel, G, rack-wheel d, and pawl e for winding up and holding the cord d. By turning the hand-wheel G the eccentrics E E are both simultaneously turned, bringing the longest diameters in a perpendicular line, and thus raising the frame on the wheels to adjust the seeding-tubes H at a proper height, even to entirely raising them out of the ground, so as to sow broadcast, as it were, instead of drilling in the grain.
A pin,f, prevents the frame from rising too high, and by letting go the cord d. the weight of the frame lowers itself again on the wheels.
the other end being connected to the extreme end of a crooked forked lever, J, against the side of which, next the drum, is a spring, K, for forcing it against or opposite to the action of the cord, for the purpose 'to be presently de scribed. The lever J has an arm, k, Fig. 2, which works in a groove cut in the periphery of one of the hubs of the wheel, (shown by red lines,) the axle for this wheel being provided with a feather, (or, rather, the journal of the axle,) which fits a slot cut lengthwise in the.
bore of the hub, as seen at 1, this being for the purpose of allowing the wheel to he slid out or in on said journal, and yet turn with the axle. The lever J has a suitable fulcra, and by drawing up the cord 2', which is attached to it, it forces the wheel out farther on the journal, and by letting go the cord the spring K acts oppositely, drawingit in again. This arrangement is for regulating the quantity of seed to be sown, as will be described in connection with the seeding-bar.
A tappet-wheel, L, is so connected with one of the wheels 0, as to move with said wheel, and a friction-roller, m, in the end of the seeding-bar M, Fig. 3, running against said tappetwheel, being held up against it, or, rather, prevented from being thrown from it by a counteracting-spring, n, Fig. l, pressing against the opposite end of said seeding-bar. As the throw of the seeding-bar depends upon the seed passed from thehopper to the tubes.
The openings 0 in the seeding-bar M, by their inclined tunnel-shaped form, the top overhan gin g the bottom opening, in connection with the perfect throw of said bar by the tappetwheel, admits of the very nicest adjustment, and which may be varied at pleasure While the machine is in operation, said bar disclosing just such an opening or communication with the seeding-tubes as may just pass the amount of grain desired to be sown.
The seeding tubes or shoes H are hinged to a common rod,p, as seen in Fig. 2, and are held in position by springs N, to which each tube is separately connected by a rod, 0, with a nut, q, so that, if desired, a portion of the tubes may be set in advance of the others. When the tube or shoe meets an obstruction of any kind the spring allowsit to swing back until it passes over it, and then draw-s it up to its place again.
In going to or from the field the feeding apparatus can be thrown out of gear by sliding the tappet-wheel out on thejournal or raising up the frame, so that the seeding-bar is raised above the tappet. The frame, instead of being above the axle, may be below it, and a seat, is deemed essential, may be added for the operator; but as these do not involve the general construction of the parts they need not be described.
The power of both the supporting-wheels is applied to the working of the seeding-bar, they both turning with the axle.
Having thus fully described the nature of our invention, what We claim therein as new, and desire to secure by Letters Patent, is
The mode of adjusting the tappet-wheel L, in combination with the peculiar form of the sliding bar M, to suit the nicest diflerences in any desired quantity of seed to be sewn, substantially as described.
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