US985519A - Railroad-spike. - Google Patents

Description

N A G A N A L F A G RAILROAD SPIKE.

APPLIUATIOH FILEDIBBJB, 1910.

Patented Feb. 28, 1911.

UNITED STATES PATENT OFFICE;

,cnannns A. FLANAGAN, or conoaano srnrnes, conormjoo.

RAILBOAD-SPIFE.

Specification of Letters Patent.

Patented Feb. 28, 1911.

Applicationfiled February 18, 1910. Serial No. 544,639.

To all whom it may concern:

.Be it known that I, CHARLES A. FLANA- can, a citizen of the United States, residing at Colorado Springs, in the county of-El Paso and State of. Colorado, have invented certain new and useful Improvements in 'Railroad-Spikes; and I do hereby declare ,appertains to make and use the same.

the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it when properly engaged with the tie.

Other objects and advantages will be hereinafter'r'eferred to and'more particularly pointed out in the specification and l claims.

,In theaceolnpanying drawingswhich are made a part of this application, Figure lis a vertical central sectional view through the,

spike as seen on line-M Fig. 2. Fig. 2 is a side elevation of that form of the spike- -'sh,own'in Fig. 1. Fig. .3 is a sectional view thereof as seen on line 6-6 Fig. '2.

- Referring to the drawings in which similar reference numerals designate 'corre sponding parts throughout the several views, 1 indicates the bodyof the spike which'is preferably oblong and substantially rectangular in cross section, the upper. end of' the body being 'providedfwith a head 2, while the lower portion thereof, or substantially one halflthe length of the bodyyis tapered to'.provi de a point '3 which is adapted to be entered} into the, usual .form of tie. IThe lower portion of the inclinedsect'ionof the body isiata reater angle than the upper portion, where y shoulders 4 are formed andby extending the surfaces of said shoulders ajt a downward 'inclinationfrom their outer to their inner edges, the fiber of the tie will be positively engaged by said. shoulders and the spike held against casual removal from the tie.

Above the inclined shoulders 4 are recesses 5 which are formed in the'tapered faces of the body and the edge walls of the recesses are likewise tapered and converge at their upper ends. The end walls of the recesses, as shown in Fig. '3 may also be at an angle, whereby a dovetail connection will'beformed between the spike and the fiber of the tie. The prime object of the recesses is to prevent lateral twisting move ment of the sp kes after the same have been properly seated in the tie' and the engage ment of the fiber of the tie-with said recesses willalso serve to hold. the spike against removal from the tie.

In applying the spike to use, the point' end 3 thereof is properly-positioned upon the tie and blows delivered to the head end of the spike, which will result in driving the same into the tie. As the tapered edges of the spike are transversely of the grain of the time, the tfiber of the tie will immediately expand and engage the shoulders of the spike and enter the recesses therein and in view-0t the overhanging'po'rtions of the fiber, it will be practically impossible to dis-' engage the spike from the tie and it will likewise be seen that byproviding the recesses to receive portions of the fiber of the tie, 'said spike will'be'additionally braced against lateral movement. Y

What I claim is:-

, 1; An articleof manufacture, comprising 'a body portion having a head at one end and tapered faces at the opposite end, a section a of the taper being greater than the remain ing portion of the taper, whereby shoulders are formed and recesses in the tapered faces above said shoulders-theside walls of saidrecesses converging at their u per ends. 2. The herein described spi e, comprising a'body portion having portionsof two of its ed s tapered and conver ing to form a po1nt,ithe lower 'section oft e tapered edges being at a gre'atef engle than the. upper. perclined, said tapez ed facesahove 'the s 0111- ere dispeseda-tan angle.

In testimony whereof I have "signetl my tions of the tapered sections, whereby shouL ders are formed, said shoulders. bein int-WU'SLIbSQIibing Witnesses, I Y t v CHARLES A. FLANAGAIX.

-Witnesses:

'VVENDEIL PRICE,"

ders having recesses -"therein, the edge wallsfi I F. O. HARRIS.

of which converge at their upper end' and i' Copies ef-this patent may be 'obtained for five cents each, by addressingthe Commissioner-l -of Patients,"

name to this specifieatien in the .presenee of

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