US648298A - Nail-forming machine. - Google Patents

Description

Patented Apr. 24, |900.

S. L. REED.

NAIL FFHIIING MACHINE.

(Application led June 13,Y1B99,) (No Model.)

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NITED STATES PATENT OFFICE.

. SEXTUS LOUIS REED, OF GALLATIN, TENNESSEE.

NAIL-FORIVHNG MACHINE.

SPECIFICATION forming part of Letters Patent No. 648,298, dated Apr1`24, 1900.

Application filed J une 13, 1899. Serial No. 720,350. (No model.)

i' To all whom 'it may concern:

Be it known that LSExrUs Louis REED, of Gallatin, in the county of Sumner and State of Tenne ssee,have invented a new and Improved Nail-Forming Machine,of which the following is a full, clear, and exact description.

The purpose of this invention is to provide a superior apparatus for rolling nails from a continuous length of stock, the apparatus being designed especiallyl to produce a triangular nail, although other forms of nails may be produced thereby; and it embodies certain peculiar means for cutting the stock into lengths and for forming the points and head of the nail. Y

This specification is the disclosureof two forms of my invention, while the claims define the actual scope thereof. p

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 is an elevation of the machine with parts in section. Fig. 2 is a fragmentary sectional view on the line 2 2 of Fig. 1, and Fig. 3 is a similar View of a slightly-modified construction.

The apparatus comprises a frame 4f,on which is mounted a primary movement-shaft 5, carrying a pinion 6, engaging a spur-gear 7, secured fast to a hollow shaft formed in two sections Sa and 8b. Two additional hollow shafts, each being formed in two sections 8? and 8d, are also provided, the three hollow shafts being arranged in triangular disposition with respect to each other and being revolubly carried in boxes 9,suitably mounted on the frame. Each of the hollow shafts carries one of the dies employed to roll the nails. These dies are therefore three in number and are arranged with respect to each other, as indicated in Fig. 1. Each die comprises two circular side sections 10, between which is sandwiched an intermediate or face section 11, the whole being secured rigidly together by means of bolts 12. The side sectionsflO may, if desired, be formed integral' with the respective sections of the hollow shafts or they may be fastened thereto, if desired. Each side section 10 has a line of miter gear-teeth 14 formed on its periphery, and each side section 10 further comprisesV a plane portion 15, such plane Vportions running against each other, as shown in Fig. 1, so as to cause the several dies to run true and so, also, as to hold them with sufficient rigidity to enable them properly to perform their functions. The gear-teeth 14 mesh with each other, so as to cause all of the d ies to turnin unison. The face-sections 11 have plane edges or faces, as indicated inFig. 1,aud these faces when the dies are meshed in operative position are disposed triangularly to each other, they servingto engage and roll the stock. For this purpose the face-sections 11 may be formed of ,hardened steel. The stock when passed through the dies will be rolled into triangular form, thus to produce the Shanks of the nails.

For cutting the nails into lengths and for pointing' and heading the nails I provide a number of radiallymovable punches 16, which have enlarged butts 17, carrying rollers 18, which rollers ride around .a cam 19, the cam being fast on a stationary shaft 20. The stationary shaft 20 of each die passes through the corresponding hollow shaft and is held rigidly by means of a box or like device 21, rigid with the frame. The cams 19 being held stationary by the shafts 2O and the dies moving around the shafts and cams, the punches 16 will be periodically projected outward, so that they pass the periphery of the corresponding face-sections 11, thus cutting the stock. The punches are thrown inward automatically by springs 22, situated in cavities formed in the face-sections 11 and side sections 10 of each die. The punches 16 are of a width equal to the width of the facesections l1, and the butts 17 of the punches 16 are of larger size. The punches are situated only in openings formed in the face-sections 11, while the butts 17 of the punches extend intoopenings formed in the side sections 10. The outer or cutting ends of the punches 1G are beveled, as shown, and the side sections V10 of the dies are formed with transverse recesses 23, extending oppositely from the several openings in the face-sections 11, through which openings the punches 16 pass. Thesevopenings 23 are adapted to have the stock pressed thereinto to form the head of the nail, while the beveled cutting ends of the punches 16 serve to form the points of IOO ter with each other as the dies turn, and the cams-19 are so disposed that when'threeof the punches come point to point in themanner shown in Fig. 1 the cams will throw the.

punches outward, causing'the points of t'hree punches to meet and by the ljoint action of the three points to sever the stock, thus form ing .one nail. The beveled ends of the punches meeting witheach other,as indicated,

will form a taper or point on the end of the stock which will serve as the point for the nail. At the same time the stock will be pressed into theopenings 23 of the side sections lO of the dies, thus forming tphe'head of the nail. It will be understood that these operations just described are performed on different'sections of the stock, the nail having its point formed by one set of punches and having its head for-med in the recesses 23 which follow such set of punches as Acontradistinguished from the recesses 23 which are immediately adjacent to the said set of? punches. The dotted lines in Fig. 'l illustrate the recesses 23 whenmatched with each other, such lines showing the triangular form described by the recesses when in registry with eachother, and it will be understood that this 4is the form given the head of the nail.

The modification illustrated in Fig. 3 consists simply in the substitution of antifric- .tion-balls 24: for 'the rollers 18 in the other Views, the balls `being Y arranged to travel through a race formed around the cam 19.

Byichanging the form of the face-sections 1l nails of various cross-sectional form may be produced. l

Having thus described my invention, I

For example, I

claim asl new and desire to secu-re byLetters Patent- 1. The combination of a revolubly-mounted hollow shaft formed in two sections, a die carried by the shaft and comprising two circular side sections respectively rigidly carried by the sections of the hollow shaft, and having transverse recesses produced therein t'or formving a head or enlargement on the work, and an intermediate or face section sandwiched between the side sections, fastening devices passed through th e-side and intermediate sections, the side sections being formed with 'gear-teeth adapted to mesh with a mating die and the intermediate section being formed with radial passages, the outer ends of which communicate with the transverse recesses produced in the side sectionsa stationary shaft extended through the hollow shaft, a cam attached to the stationary shaft, and punches mounted between the side sections and adapted to move through the radial passages in the intermediate or face section, the punches being actuated by the cam.

' 2. The combination of ahollow shaft formed in two sections and revolubly mounted, a-die consisting of twoside sections respectively fastened rigidly to the contiguous ends of the sections ofthe hollow shaft, and an intermediate section fastened between the side sections, the side sections being provided with gear-teeth adapted to mesh with a mating die and the intermediate section being provided with radial passages, the ends of which comtionary shaft between the side sections of the die,eand punches mounted to move in the passages of theintermediate section. and actuated by the cam.

SEXTUS LOUIS REED.

Witnesses: n

E. E. DUNCAN, A. A. 000K.

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