US108895A - David j - Google Patents

Description

D. J. FARMER. MACHINE PoR CUTTING NAILS.

No. 108,895. Patented Nov. 1, 1870.

ditiiii sisi DAVID J. FARMER, 0F WHEELING, 'WEST :VIRGINIA4 'mais .rma Nq. 108,895, met Nmmbi- 1, is'vo.

'mrnovsiaen'r ni Machines ron cu'rri'ue sans.

mscmam'nmndro in 'um ma man; per: of msnm.-

. .I, DAVID J. 'Fnmmm'of Wheeling, in the county of Ohio, State of .West Virginia, have invented a, new and improved Nail and Tack-Plate Feeder, of which the following is aA specification.

ulirat'ie aml'Obi'e'cts of the Invention.

'llhe machine is constructed with .reciprocating sliding table, carrying a. number of "nail-plate feeders,-

which are advanced alternately to lthe vpoint .at which the nail-blanks are eut nii'.

Some of the main features consist of- First, adevi'cefor changing the feed eaclrtiinethe.

sliding. table reaches the end of itsstrok.

Second, a device for shitting the racks, whereby'they are adapted forgiving the semi-rotation to the, feeders on vone or the other side of the point at which the eut-ter acts.

Third, a guard-plate keeps the plates in thefeeders,

and the latter in the desired position.

Description of the .Aceo'hqiaiiy'ing Drawing.

Figure 1 is a top .view et'4 the machine.

.Figure 2 is a side elevation. v Figure 3 is a transverse vertical section on `the line FigureA is a detached view, showing the mode of 'shifting thefeed-tappet to reveise the 'motion ofthe. sliding table.

General Descri'pti'0n.

A is a bed, raised-upon legs B,'and supporting the sliding table 0,'jwhieh is reciprocated in the direction of its length by means of `a cog-wheel, D, beneath which engages a rack, E, beneath thetable.

The wheel D is k'eyed upon 'a shaft-11, which is turned by a lever, G, `pawl H, and toothed wheel I.

The motion of the parts of the machineis derived-v fiom the lever Gl wliichis reciprocated hy the 'prime motor.

After the slidingtable'hasbeen carried tothe end of its range in one direction, a stud, c, on. the side of the'table, touches an arm, J, which extends upward from and is sleeved `npon the shaft F.

'lhe arm J tips the double pawl H, and causest to act against the other side of the teeth on the ratchetwheel, and thus to rotate the shaft in a direction the reverse of the former.

On the table G-are one or inore feeders', 1i, which holdthc nail-plates, and present themat the gap l,

in the guard-plate, in which the cutter works; -iii the illustration it is arranged for four feeders.

The feeder K consists of a 'barrel and a pair of grocved guide-bars, k k, the said Agrooves forming a lchannel, along which the nail-plates slip.

.These gudesmay be made adjustable toward'and from each other, so as` to vallow for different -widths of plate adapted for different lengths of nails.

` The nail-blanks are cut from the end ofthe plate with the taper inV aternate directions, heads and between each cutting. This is 'aceomplisiiedby the 'semifiotation of the feeder.

are engaged by the ,cogs of the racks L, 'as the feedeis and the table slide on the bed. Y

The racks are made to set out and in,so eitheiione maybe brought within range of the pinions 4onI the feeder, the other rack at. that time being` beyond the reach of the pinion'.

. The-racks L L ai'e set -out, by means of a sliding wedge, '-W, alongside o f th'ejbed.v

This is operated by lugs in, m onthe 'side' of the table, which engage projections ou the wedge-slide and slip-it in one direction or other, to set ont the rack, which is not required during a certain. 'partof't-hc stroke of the table.

'One rack, L, comes into operation when the' table is moving in one direction, and-the other rack when.. 'it is moving in the other direction.

ofthe nail-making machine, or each operation of the cutters', and, .when it is moved the whole distance of 'the feeders and delivers a-blank from each plate, it becomes reversed by means of the double acting pawl '11, which is actuated by the contactof the stud 'c with .the arm J', a's previously stated.

The feeders are semi-rotated by the contact of their 'pinions with one of the racks after delivering a blank, and the otheri'aek is made to fall back, to allow, the' pinions to pass.

'.llie table can be worked with one or more feeders, as desired. Y

' The end of the nai1`-plate,travels against the guard plate X, and is ready to slip forward as soon as it reaches the gap where the cutters are stationed.

The spring-plate 'l is' intended to hold ytheplate firmly, andalso to act as a gauge;v

Springs behind the racks L bear against them, to.

press them toward the sliding table when permitted by the wedge. I have shown'the reciprocating table provided with -rotary feeders. lhe table, however, inay have nonrot-ating but r lat-ively stationary feeders; that is, not tui-'ning the nailfplate between each cnt.

followers within the tubular feeders K by springs, or by cords and weights, or in :my other customary and A suitable manner.

' points. 'lo secure this result theplate is turnedover I 0n the e'nd of the barrel Kis a pinion, whose leavin;

The table is moved one section at cach revolution' '.lhe feed-movement may be imparted to pushers oi I here not shown or described a-ny such feeding-np pliances, because they are common, and well under stood.-

' Claim.

[claim as my inventio. 1, Theintermittingly-movingand reciprocating table 4:ind series of nail-plate holders, in combination with cutters, and with mechanism to feed the pinto forward to said cutters, substantially as described.

i 2. `In combination with the table C, the stud c, erm

J, lever G, double pawl H, and toothed wheel 1:1-rranged to operate substantially as described.

3. The combination of the reciprocating table (J,

the mcks L L, adjustable wedge W, and lugs m m,

substantially as and for the purposes sei: forth.

4. The combination, with the hollow feeder K., of the continuously-grooved bars k k, to guide the plates *.0 the cutter or cutters, as set forth.

Witnesses: DAVID J. FARMER.

S. FARMER, J. B. FARMER.

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