US108295A - rogers - Google Patents

Description

2 Sheets-Sheet l.

O. D. ROGERS. FEEDING MECHANISM FOR 001) SCREW MACHINERY. No. 108.295,.

i Patented Oct. 11. 1870.

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' 2 Sheets-Sheet 2.

, O. D. ROGERS. FEEDING MECHANISM FOR WOOD SCREW MACHINERY. N0.108,295. Patented Oct. 11, 1870.

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CHARLES D. ROGERS,-QF UTI OA, NEW YORK.

Letters Patent No. 108;295,'datcd October 1-1, 1870.

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The Schedule referred to in these Letters Patent and making part of the same To all whom it may concern I Be it known that I, Onsnnns D. Bosses, of Utica, t county of .Qneuhn'in the'Stateof New York, have nvented certain new and useful'Improvemcnts in Feedmg Mechanism of Wood Screw -Maehinery; and I do hereby declare thatthe following is a full and exact description'theredf, reference being had to the accompanying drawing making part of this application.

My invention relates to that part of the machinery used in the manufacture of wood screws which is dc signed to assert the blanks into a proper position, and supply them .to a feed-chute or, trough, through which they pass to the threading-mechanism.

lh'evious to my invention a coutrivance has generally been'employed in which aquantity of the blanksarc contained in a sort of hopper or receptacle, from which they are picked out by the bifurcated end of a vibratory slotted arm, pivoted at one end to the feed-trough orehute, and which, as it is vibrated, pieksiup and conveys, by gravity, through its slots, the blanks'ina manner familiar to those who are skilled in the-man Y ufacture of wood screws by machinery. And-in some cases a shaking hopper has been used, in which the blanks are shaken down into a slot or feeding-trough pendent by their heads.

The mechanisms or contrivauces heretofore em ployed as a means of gathering, in assorted positions, the blanks, have some objectionable features, besides "being costly .of construction.

My invention has for its object to dispense with all com plication and expense resulting from the employ- ,ment of any separate device for picking up or effecting the discharge from the hopper or receptacle of'the blanks, in an assorted or given position, ready for reception by the feeder-trough'or' chute, and provide simpler, more economic of construction, and more efficien't in its operation, than'any heretofore known for asserting or arranging in proper posit-ion the blanks, and discharging'thein' singly from a mass into the feeding-trough or chute, and to these ends,

My invention consists 'in the use, in combination" with the usual inclined. feed-trough or-chute, of a vibratory .or oscillatory hopper or box, having a slot or channel in its bottom for the bodies of the blanks to hangthrongh, and so vibrated or swung that the blanks will be tumbled, assorted,aud permitted to passout-,- in the manner hereinafter described.

To enable 'those'skilled in the art to make and use my invention, I .will proceed to more fully describe it, referring by letters'to the accompanying drawing, in'

which---- Figure 1 is an elevation oi'a portion of a threading machine, having my invention attached to it;

Figure 2 isa side view of the same; Figure 3 is a vertical section at :r z, fig. 1.

Figure 4 is a top view of the vibratory detached; and

Figure 5 is a detail-section at y g,fig. 4.

In the several figures the same parts will be found designated by the samelctter of referenua' A is the frame or body portlonof a threading-mh chine,'in which is mounted; to operate in the usual manner, the head-plate or blank-holder, B, and on which is secured the stand 0 that supports the feedtrough or chute D.

From the upper portion of stand 0 there projects an arm, E, at the end of which is pivoted-a lever, F.

One end of this lever is connected to the upper end of a'rod, G,- which is coupled at its lower end to a vibratory bar, I, against which works the face of a cam, J.

The rod'G passes through a hole in a stationary arm orstand, K, and between this stand K and a col.-

lar, a; on the said rod, is arranged a spiral spring, b. V The action of the cam J on pin 1 moves the lever F in one direction, while the act-ion of the spring b moves it in the'other direction.

The forward end of lever-F passes through the slotted head of the bar L, and moves it up anddown. M is'a reciprooatory carriage, which is moved or lifted up at'each upw'ardstroke of rod L by means of a log, 1, on said rod, and descends with said rod by gravity,'assisted by a spring, 2.

This carriage rests, when down, on a stop-plate, N and'carries on it the spring-jaws c d, which hold the blank "until it is forced beyond their 'grasp by the Iowa 1'} end of-rod L. a

The forward end or portion of lever 1 also aetnates, during its descent, the finger cof the rock-shalt on the inn'crend of which is hung the oscillating stop and liberator y. v r

This device serves "to release fromthe supply-column in the feed-trough D a single blank at each movement downward of "the rod L. 1

Theseonstruction and operation together of so much of the machine 'shown as has already been alluded to-need not be further'described here,'- as it is all fa miliar to-those who have a kuowledge of this kurd of machinery, and'forms no part of the invention made the subject of this" application.

' To the upper end of the feed-trougli or conductor D is pivoted oneend of a vibratoryhopper or box, 0,

which is about semi'cyliudrical in shape, with aslo't rnnui'n'gl its entire length at the bottom, and formed or provided withtwoparallellplates, P, as clearly illust'rated in the drawing;

From these plates]? extends downward a .rod, h, which is bifurcated at its upper end, where it. is pivoted to plates P, as shown,-and is connected at its lower end to a'vibratory'lever, i, from which protrudes and on 'this bar is a projectiug'piu,

p a pin, m, against whioh, workst'the face of a cam, 11,.

hung on the main shaft. T and'one'end of which is pivoted'to the stand poi themain flame.

At fig. 3, Ihave shown the hopper Ofwith its vibratory or rear end, elevated to its full extentof m'o The hopper 0, it will be'nndeirstootl, swingson the pivot at 's, and is. vibrated or-swnng up and down .by means of the cam anthroughthe intermediate means of lever i and pitman h, as clearly illustrated.

The operation of and eifect producedby this vibratory hopper will be seen to be such as I will now briefly describe.

This hopper being always supplied with a proper quantity of blanks, the latter will betnmbled about from end to end in said hopper duringits motions, and will settle down into the slot or opening between plates 1 I, in the position shown at figrfi, hanging by their heads, and every time the hopper O is swung up to the. position seen at'fig. 3, all the blanks that can he aeeon'nnodated in the i'eederl) willslide down into it. I

Those blanks which cannot have an-o 'iportnnity topass intofeeder ll'ivill remain in theslot of the hopper, and its motions-will have no tendency .t'o dislodge them, while at the same time the inotiol'is of said hopper tend always to tlnnble'ihe blank $001k tained in it into the slot;

Itwill be'nnderstood that whenever the slot in the bottom oft-he hopper has a supply of blanks .in

it,ora partial supply,'s nch blanks are afforded an opportunity, at every npstroke oithe hopper, to

slide down into feeder 1) before the mass of blanks in said hopper, which have been tumbled toward the rear end of hopper by the previous down-stroke of the hopper O, can tumble forward to 'elog their. passage.

it will be seen then, that, by means of this simple and economic contrivance of a swing or vibratory spiritof my invention.

hopper, in which is kept a proper quantity of blanks, the latter are automatically fed into the feed-trough or conductor D with great certainty and rapidity, and

it will be understood that the device hy means of which this operationis successfully performed, is veryeconomi'c of construction, durable, andnot liable to get ontpt working order. Ofcourse-thepropprtions.

and details ofconstruction may be varied, and even the shape ofthe'hopper, without departing from the But the shapoof-the hopper should beflsnch as will induce the blank, while being tumbled, to settle down intolihe slot in the proper position. .i

In lieu of having the hopper vibrate from afixed point at the front end, it might be made to. oscillate on a point or pivot nearer the center, and he provided with some means of automatically makingand'cntting elf communication between the forward end of its slotand'the upper end of feeder D. But Ideemthe vibratoryarrangementv shown the simplest and best method of carrying ont my invention, and have fonnd it veryetlieientin practical operation. i

idonot claim, broadly, the combination of a vibratory hopper, having a slotted bottom with jinclined.

ways; but

Having explained my new coutrivance or mechanism for assorting the blanks in mass and Recharging them into the supply-trough or feeder,

\Vhat I claim as new, and desire'to secure by Let- I trs Patent, is-

The vibratory blank-hopper or receptable, having a slotted bottom and tilting back, and operating snb stant-ially as described, in combination with the inelined feeder or conduit.

,In testimony whereof, I have hereunto set my hand and sealthis Li ith-day of J one, 1870.

CHARLES D. ROGERS; [n s.]

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