US1282333A

US1282333A - Railroad-spike.

Info

Publication number: US1282333A
Application number: US5927015A
Authority: US
Inventors: Carl J Walberg
Original assignee: Individual
Current assignee: Individual
Priority date: 1915-11-02
Filing date: 1915-11-02
Publication date: 1918-10-22
Anticipated expiration: 1935-10-22

Description

C. J. WALBERG.

RAILROAD SPIKE.

APPLICATION FILED NOV- 2.1915- WITNESSES ATTOR N EY CARL J. WALBERG, OF BOVEY, MINNESOTA.

RAILROAD-SPIKE.

Specification of Letters Patent.

Patented Oct. 22, 1918.

Application filed November 2, 1915. Serial No. 59,270.

. headed. and screw threaded fastening and more particularly to a railroad spike.

The primar object of my invention is to provide a raili'oad spike, which. when in serted in a tie is practically incapable of accidental loosenin or displacement.

Another object o my invention is to provide a spike of the above mentioned class which is simple in construction and will positively be retained in position without the use of detached fastening devices or the like very prevalent in the prior art. 7

\Vith the above and other objects in view my invention resides preferably in the construction, combination, and arrangement of parts as hereinafter set forth in the specification and illustrated in the accompanying drawing, in which Figure 1 is a side elevation of a railroad spike constructed in accordance with my invention,

Fig. 2 is a view of the same, and

Fig. 3 is a transverse sectional view taken on a line 3-3 of Fig. 1 looking in the direc-' tion of the arrows.

Fig. 4 is a vertical section of the spike, taken on the line 4-4 of Fig. 1.

Similar reference characters designate similar parts throughout the various views of the drawings. a

In the drawings I have illustrated a spike constructed in accordance with the objects set forth above which includes a shank 1 having a head 2 on one extremity thereof, said shank being bifurcated to provide slightly spaced

arms

3 and 4 having notches 5 in the outer faces thereof and pointed extremities 6 and 7 respectively. The inner abutting faces of the

arms

3 and 1 are normally in slightly spaced relation as shown to advantage in Fig. 3. The adjacent edges of said inner faces being beveled as indicated at 8 and 9 respectively so as to facilitate insert-ion of the spike and spreading of the arms to prevent dislodgment of said spike. The opposite faces of the shank 1 adjacent the starting point of the bifurcated portion of said shank are inclined downwardly as. indicated at 10 to form tzipered spurs to facilitate the driving home 0 the spike by being driven in between the spreading

arms

3 and 4. By this operation of the spurs, it is obvious the spurs will fit between the arms and will in this way brace the arms against movement toward each other, thus preventing the accidental withdrawal of the spike.

As shown to advantage in Fig. 1, the retaining lug 11 formed on the head 2 extends at right angles from said shank laterally to the plane of the bifurcation therein, so

that when the spike is driven home and the arms arespread, the same will spread transversely of the tie, the notches 5 engaging the grain of the Wood. The driving home of the spike is very easily accomplished and its retention assured, it being understood. of course, that the lug 11 engages the base of the railway rail in the usual manner.

As shown to advantage in Fig. I the points 6 and 7 are afforded by bevelingthe adjacent faces of the

arms

3 and 4 na indicated at 12, thereby assisting and starting the spreading of the arms during the driving process as well as serving to penetrate thewood of a tie. Further attention is directed to the manner in which the

arms

3 and 1 engage the grain'of a tie and it will be noted that the notches 5 engage the grain of the wood. This will also prevent early rotting of the tie owing to the tearing effect usually produced by railroad spikes. I

From the above description taken in connection with the accompanying drawing, it is thought that a clear and comprehensive understanding of the construction, operation and advantages of my invention may be readily gathered and while I have shown and described the same as embodying a specific structure.'I reserve the right to make changes therein which do not depart from the spirit and scope of the invent-ion as claimed.

What I claim is:

1. A spike of the class described comprising a head, a shank projecting from said head and being bifurcated to form a pair of spaced arms, said arms having retaining notches in their outer faces, the inner edges of each arm being beveled for approximately one-third the width of the arm from each side thereof, the beveled portion extending throughout the entire length of each arm, said arms having their ends beveled to provide pointed extremities and means bracing said arms against movement toward each other after the same have been driven into a support.

2. A spike of the class described, comprising a head havin a shank projecting therefrom, said shank ing bifurcated to form a pair of spaced arms having pointed extremities, spurs formed upon the upper portion of said shank adjacent the'base of the bifurcation, said spurs being tapered throughout their entire length, upon their outer faces into a support, whereby the pointed extrem'i-' ties will spread the arms, and said tapered spurs being bent inwardly between the arms in their spread condition, when the spike is carried entirely by a support, whereby the fitting of the spurs between the arms will brace the arms against movement toward each other and the accidental withdrawal of the spike being in this manner prevented. In testimony whereof I affix my signature in presence of two witnesses.

CARL J. WALBERG.

vWitnesses BERTHA E. HEGDAHL, JOHN WALBERG.