US289103A - Teustees - Google Patents

Description

(No Mode1.)- W' HOPKINS.

NAILING MACHINE. No. 289,103'. Y Patented Nov. 27, 1883.

N, PETERS. Mmmumagnpher. wumnglm D. C.

@miran Smarts Parana Ormea,

DONF MCKAY, OF NEWPORT, .Rl- IODE ISLAN D QMBRIDGE, MASSACHUSETTS, TRUSTEES.-

NAILING- AND JAMES NV. BROOKS, OFA

MACHINE.

SPECIFICATION forming part of Letters Patent No. 289,103, dated November 27, 1883.

Application filed October 12, i883Y (No model.) l

To au wil/0m t indy concern.-

` Be it known that I, VILLIAM l?. HOPKINS, of Lawrence, county of Essex, State of Massachnsetts, have invented an Improvement in 5 Nailing-Machines, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts. l This invention in nailing-machines has for i its object to prevent the sticking or lodging of naiis in the roadway; and it consists in the combination, with a roadway, of one or more strikers, to strike those nails which are too far above the top of the roadway, or which get i lodged upon or above the roadway, or become stuck among the other nails, and do not drop and hang into the roadway.

This invention is an improvement on that class of nailing-machines Ahaving a chute or 2o chutes, such as ,represented in United States Letters Patent No. 265,227, dated September 136, 1882, to which reference may be had.

Figure l, in side elevation, represents an ordinary roadway or chute of a nailing-machine with my improvements added; Fig. 2, a top view thereof; Fig. 8, a vertical longitudinal central section; and Fig. 4, a cross-section of the roadway or chute on the dotted line as w, Fig. l. I

The chute or roadway m may be considered to` be the same as the chute designated by the saine letter in the patent referred to, and the shaft a may bedriven from a shaft such as shown in the saidpatent, and marked C, it having a gear to drive an intermediate gear in engagement with the gear b. Shaft a has its bearings in suitable standards, cc, "herein shown as erected from the roadway or chute. The shaft a has upon ittwo shouldered cams, 4o d d', herein shown asY double-shouldered, (see Fig. 1,) which are rotatedin the direction of the arrows thereon, and which act against pinscf of strikers ef, made as pointed and beveled bars, placed upon or above the roadway m, so as to slide horizontally just above the Vtop of the roadway, and also act as pan tial covers for the roadway, the said strikers having, respectively, a connected spring, gg',

the front ends of the strikers as they are attached to 'a suitable post, hor 7L', or to the head ofthe nailing-machine, or to a suitable 5o iixed part of the said machine, the said springs acting normally to keep the pins ef against the cams d d. The under sides of the strikers are located sufficiently far above the top of the roadway to permit the passage of the heads of the nails to be driven between the said strikers and the roadway, as represented, by the heads of those nails which have passed under the upper ends of the strik` ers. If any of the nails fail to drop down between the side bars or rails of the roadway, as represented by nail 2 in Fig. 3, or if a nail becomes lodged across the roadway, as shown by nail 3 in Fig. 2, it will be struck by thrown toward the upper end of the roadway by the cams d d', thus striking the said nail a blow and causing it to iiy oif the roadway. If lodged, as the nail 3, or if held up, as nail 2, it and the nails behind it will be moved or thrown backward toward the receiving end. of the roadway, and before the nail next come'sagainst the striker it will have had a chance to fall properly into the roadway, for the striker, as the pins ef pass the corners S of the cams, will be vactuated by the springs g or g', connected with them, at a speed faster than the nail can descend in the roadway by gravity, and hence, the path'of the'nail on the roadway being unobstructed for a short distance, the nail will be free to respond to gravity and fall farther into the space between y the sides of the roadway, where the under side of its head will be supported by the top of the roadway, when the nail will be free to pass under the striker, which will reciprocate over its head.

My improvements may be added to any well-kn`own nailing-machine in which itis possible to feed headed nails' down a roadway, to be taken therefronisingly by a separator and delivered to a driver, said machine being provided with suitable gearing to rotate the shaft a.

I claiml. The roadway combined with a recipro- Q v reame eating striker, to strikev against `and rnovel 11p- In testimony whereof I have signedmy name 1o Ward toward the receiving end of the roadway to this specification in the presence of two subsueh headed nails as are not properly lodged l scrbing Witnesses. in the said roadway, substantially as described.

5- 2. The roadway and the rotating shaft pro- VILLIAM l?. HOPKINS. vided with cams, combined with the' striker, located just above the roadway and moved by W'tnesscs: the saidcams to strike mperfeotly-lodged W. FISK G1LE,- nails, substantially as described. JOHN C. SANBORN.

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