US8129A - Comb cutting machine - Google Patents

Description

ELS. 000K. 00MB CUTTING MACHINE.'

i BeA it i known that 1, l HORACE UNITED sTATEs PATENT oEEiCE. j

H. s. COOK, `or" LEoMiNsTER,"MASSACHUSETTS, AssiGNoR To HORACE s. COOK anos.

\ COLBURN.

COME-CUTTING iviAcHiivE.1

`Specification of Letters `Patent No. 8,129, Vdated June 3, 1851.

To all whom t may concern? of" Leominster, ing the county of 'Vorcester and State of Massachusetts, have invented a new and useful Improvement i in `Machinery for Cutting or Stamping Combs `Out ot' -Plates of Tortoise-Shell,`Horn, orother Suitable Material 5; and I do hereby declare that the same is fully described andrepresented in the following specification,` the accompanying drawings, letters, gures, and ref# erences thereof. Y i

Figure 1 of thesaid drawings denotes `a top view of my improved machine.` Fig. 2 is `an end elevation of it, exhibitingthe end thereof, on which the driving crank .is` situated. Fig. 3, is a side elevation `ot' it. Fig. Ll, isa vertical and transverse section and Fig. 5, is a vertical central andlongitudinal section of it.` Fig. 6, is an underside view of the series of cutters. g y g In the said drawings A represents the frame work for supporting the Operative parts of the mechanism to be hereinafter described. I

B is the driving shaft supported and made to revolve insuitable boxes at C, C, and having` a crank D or other suitable mechanism properly applied toit for the purpose of putting it in motion or revolution. The driving shaft carries and"` supports a fly wheel F, to whose perimeter a series of rollers Gr, G, Gr, &c., are connected as seen in the drawings. Each of the said rollers being placed inthe vertical plane of some one of a series of levers H H H, which turn on aicominon pin or i'ulci'um I, at one end while at theother end each oit' the said levers rests upon one of the series ot cutters or stamps-L, L, L, &c.` The said series of cutters Or stamps is disposed in the middle of themachine, and is supported by and made to move vertically up'and down within a suit-able frame M, and although each cutter is depressed or forced `downwards whenever the lever directly over it is depressed, yetsuch cutter is afterwards raised bythe retractive power of two springs N, N, applied to it, and extending toward it from the main frame work as seen in the drawings.

Fig. 7 denotes an edge view of one of the cutters in which it will be seen `that lsuch .cutter is formed with one long cuttiiig edge S. COOK,

By inspectionof Fig. G, it will be seen that the several smaller cutting edges b, 22,12, and c, c', c, of the cutters are not disposed in straight lines with each` other, but are arranged in curved lines and this for the purpose ot producing from a sheet of tor-` toise shell or horn, what is usually understood by combniakers as the bottoming,

which bottoining co-nsists in arranging the .roots of the tooth, aswell as their points in curved lines as` represented in e, s, in Fig. 8, which denotes a top` view of a plate or horn or shell, and exhibits the lines `of thecuts madethrough it in order to produce twocombs. i

suitable carriage orbed for `sustaining and holdingtlie plate of horn or shell to be operated upon, is placed under the cutters as seen at, O, and is caused tofslide'in or out or upon` parallel ways or -rails P, P,

`raised upon the bed plate Q, ot the frame A. Aclamping frame `R formed of two bars 7L, z, united by rods c', z', is hinged at oneend to one end of the carriage for supporting the` comb plate, such frame having `a bent lever Z, applied to its other end in such manner as to enable a person by means of it, to not only confine the clamping frame down, upon the plate of shell, and thereby confine the latter to the carriage, but to move the carriage inand out or upon its supporting rails.

By the action of the rollers of the fly wheel, which rollers operate upon the levers under them` in `regular succession, the several cutters are successively depressed or forced "downward into and through the plate of horn or shell, which may be arranged directly under them, and supported `by and upon the carriage hereinbeiore mentioned. In comb machines it has heretofore been customary to cut the teeth of two combs by thefsuccessive blows l kota single cutter which in the interval,` of `each two blows, has moved a suitable distance, and

in a suitable manner', to produce the `taperation of the single cutter is better than that of a series of cutters all fixed in a block and simultaneously driven through the horn or shell because the horn or shell is very much strained compressed and liable to be broken by the action of such a series of cutters which may be said to be stationary with respect to one another. The bottoming of the combs can be produced by such a series of cutters, but it is attended with a serious ditiiculty above mentioned. To overcome such ditiiculty and to obtain the advantage ot' the single cutter, without any material additional expense, l have produced the improved machine as herein described, by which l not only gain such advantages but also the additional one of forming the two combs with the curved bottoming, as I have above explained.

I do not claim the invention of a single chisel made to operate by successive blows or cuts, each of which is in advance of an other and so as to create a series of cuts through a plate of horn or shell, such as will separate such yplate into two combs without what is termed a bottoming that is to say, with the roots of the teeth of each of the said combs in a straight line and not in a curved line, as they are when made with the bottoming nor do I claim a die so made of stationary chisels or cutters (that is to say those which are immovable with respect to one another) and for the purpose of enabling a person by pressure of the whole series of cutters at once, against a plate of horn or shell to separate it into two of different and the required lengths, so asl to produce the separation of two combs from s a comb plate, substantially in the manner and with the bottoming to their teeth as hereinbefore specified.

ln testimony whereof have hereto set Y my signature this thii'ty-iirst day of December A.. D. 1850.

` y HORACE S. COOK. Witnesses J. O. ALLEN, J'onrJ W. FLETCHER.

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