US276996A - Spring-metal cut-off for hand-planters - Google Patents

Description

I i 1- (No Hodel.)

I SABABGOGK.

SPRING METAL OUT-OFF FOR HAND PLANTERS. No. 276,996. r Patented May 8,1883.

fn/penioz". I

N PETERS. "mm-Lithographer Waihingian. D. C.

UNI ED STATES.

PATENT OFFICE.

SVYLVES'IER RBABOOGK, F. ADRIAN, MICHIGAN.

SPRINGe'M ETALCUT-OFF- FOR HAND- PLANTERS.

SPECIFICATION forming part of Letters Patent No. 276,996,1ilated May 8, 1883;

Application filed August 23,1882. (No model.)

' To all whom itmay concern:

Be it known that I, SYLVESTER P. BABCOG'K of the'city of Adrian, State of Michigan, have invented a Spring-Metal Out-Off for Hand- Planters, of which the following is a specification. V The object of my invention is to make a strong, durable, and elastic cutoff for handplanters, thatwill work with all the reliability of a brush or rubbercut-jofl", and con ti nne to do so when arubber or brush with the same amount of work would become unsatisfactory andalmost useless. i t Figure 1 of the accompanying drawings is 1' a perspective view of the cut-off complete, and shows the metal support B, to which the spring A is riveted atG. Fig. 2 is a sectional view, and shows the shape and position of the t springin using; also,a section ofaa plunger, K, 1 1 and seed-cup L. t :The working part of the cut-off A is made of sheet metal of suflicient spring and temper to insure its keeping in shape and of throwing it back to its normal position when thrust aside by thework it is to perform; It is made a of a stripabout four inches lon g and about fiveeighths of an inch wide. One endof this strip a t t has a bend at Iaboutone-eighth of an inch back and nearly at right angles with itself, 0 forming the lip D. Then-about one-fourth of l u an inch from the bend I an obtuse angle, E,'is made, and about one-fourth of. an inch from the angleE another obtuse angle, F, is made, each being about forty-five degrees. The two obtuseanglesE and F bring the lip 1) paral- P ss lel with'the body of the spring at G. About t I one and a half inch. from the angle F a halfinch circular bend, H, is made, bringing the other end of the metal strip parallel to the body at G and about on a line with thelip D. To this spring a sheet-metal support, B, about one inch wide and two inches long, is riveted i at O or near the end of the spring, and at the g center and near one edge of the support B. The metal support B is perforated centrally 1 near each end,allowin g screws to pass through for a permanent fasteningto the body of a planter. 1

In using this cut-off the pendent part of the spring is placedin a suitable recess formed in l the standard of a planter at the lower end of the hopper, the support B reaching over and resting on each side of said recess.

will lift or the fourth rests on a thin bearing, 0, over an openingto the lower end of the hopper or seed-chamber and parallel with, the support B. The seed has free access to the angle end of the cut-off under the lip D, so that when the planter is held vertically the seed lies constantly against the end of the spring. .When the plunger K, in which a measuring-cup, L, is formed, is lifted to the upper end of its stroke, the cup L is just above the angle F, and readily fills with seed, then, forcing the plunger down, carries the seed-cup, with its contents, past the cut-ofi to discharge. Seed partly but not fully in the measuring-cup must necessarily strike the cut-01f at F, and is held back by the press-- ure of the cut-off, unless so poised as to bind between the cut-off andthe upper edge of the measuring-cup, actingon the wedge shape of the cut-off at F, lifts the cut-0d and allows it to pass without clogging the action of the plunger or crushing the seed. Should the seed continue to bind after passing the angle F, then the, body at G cut;olf; but when relieved of the pressure it willinstantl y regain itsnormal position. When rubber or brush cut-offs are used the corners answering to the angles F soon wear oh, and

the measuring becomes unsatisfactory unless.

the corners are renewed, while a metal cutoff with proper shape and action is almost indestructible by the workitisintended to perform. I am aware that some of the features of this cut-off are not new stanced in Patent No. 193,590, issued to me July 31, 1877;: but it' has more improved and perfected.

I find that an angle of about forty-five de-- grees is the proper angle at F 5 but the spring should not continue in a straight-line to I.

ThelipD whole pendent portion of the recently been when the pressure of the s eed.

at the present time, as in- Should the spring continue in a straight line from the angleF to I, as shown by the dotted line, then when the spring is lifted aboutone of an inch at its upper end, as often is done, the lip D lifts up, and the body of the spring one-fourth of an inch below the lip lifts away from the lip-bearing O, and the loose 'seed get between the spring and bearing and will not permit the cut-off to resume its normal position,

and thusis a source of annoyance. Should the angle F be a right angle and the body-of the spring continue in a straight line from F to I, the spring would not lift away from the lip-bearing; but the spring is much less apt to lift, as the right angle gives a square abutment, and is very apt to draw down instead of lifting awayi'rom the measuring-cup,

and often crushes the grain or bends the body of the cut-off at G. The unyielding support of the spring being aboye the line of the angle F, it is seen at once that it is better to have an incline or wedge abutment at F. Therefore the two obtuse angles, as herein shown, give the incline at F and the right angle at I, enabling the cut-off to lift easily and avoiding all clogging at the lip-bearing. A circular form of the cut-off at its upper end accomplishes the same object, as in either case the obtuse angle at]? and the right angle at I is the result.

I claim as my invention- A metal spring cut-off, A, secured to a sup- 2c 4 port, B, curved at H, and having the spring portion G parallel to said supportB, being bent upward at F at an angle of forty-five degrees, and again bent upward at E at right angles to portion Gr, and bent at right angles at I, forming 25 the lip D, which normally rests upon the bearing O,v substantially as and for the-purpose shown and described. I

SYLVESTER P. BABCOOK. Witnesses:

S. E. GRAVES, S. M. BABGOOK.

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