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Патент USA US2404928

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Jul)’ 30, 1946-
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I ‘J. ‘J. SCHUTTEN
2,404,928
NAIL OR DOWEL PIN ANCHOR
Fil‘ed Feb. 9, 1345
INf/ENTOR.
(76550” I Jc?arrf/v
BY
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2km?” *
2,404,928
Patented July 30, 1946
UNITED STATES PATENT OFFICE
2,404,928
NAIL OR DOWEL PIN ANCHOR
Joseph J. Schutten, Yucaipa, Calif., assignor to
Alexander Friehauf, Los Angeles, Calif.
Application February 9, 1945, Serial No. 576,934
1 Claim. (01. 85-23)
1
2
Cut from the wall of body l3, are two or more
My invention relates to a nail or dowel pin
anchor and has for its principal object, to pro
vide simple, practical and highly effective means
longitudinally disposed narrow strips H, the up
adapted to be conveniently associated with nails,
dowels and the like, for very securely anchoring
bent inwardly to form short horizontally disposed
lips [8, having serrated edges.
same in the parts into which they are driven and
the particular form of the invention herein de
scribed and claimed, is especially applicable for
use in the fabrication of packing boxes, crates
per portions of which are bent outwardly from
said wall and the upper ends of said strips are
In the use of my improved anchor, aligned
holes approximately the same, or a very slight
degree larger in diameter than the nail to be
and similar containers also for securely holding 10 driven, are bored in the structural parts to be
fastened and the anchor l3, after being contract
in assembled relation, the structural parts of fur
ed circumferentially, which action is possible due
niture, buildings, store ?xtures, wooden ships and
to the longitudinal slit I4, is forced into the holes.
the like.
The nail is now driven into the inserted anchor
A further object of my invention is to provide a
and in so doing, said anchor is expanded so as
15
nail and dowel pin anchor of the character re
to engage, with a considerable degree of friction,
ferred to, which is formed from a single piece
the surfaces surrounding the holes, thus anchor
of thin resilient material, preferably sheet metal
ing the body I3 in the work and the nail is an
such as carbon steel, thus reducing manufactur
chored to said body by the engagement of the
ing costs as compared to an anchor composed of
20 teeth on the ends of lips l8, with the corrugated
two or more parts.
surface of said nail.
With the foregoing and other objects in view,
When fully driven, flange l I rests on the upper
my invention consists of certain novel features of
surface of the work with the nail head I I resting
construction and arrangement of parts which will
on said ?ange. (See Fig. 3.)
be hereinafter more fully described and claimed
It will be understood that my improved anchor
and illustrated in’ the accompanying drawing in 25 may be advantageously used for anchoring all
which:
forms of driven fastening members such as dowel
Fig. l is a perspective View of a nail adapted
pins, headless nails, metal pins and the like.
to receive my improved anchor.
Thus it will be seen that I have provided a nail
Fig. 2 is a perspective View of the anchor.
30 and dowel pin anchor, which is simple in struc
Fig. 3 is a sectional view through two parts of
ture, inexpensive of manufacture and very effec
a box or building structure fastened with my im
tive in performing the functions for which it is
proved anchor.
intended.
Fig. 4 is a horizontal section taken on the line
Various changes in the size, form and construc
4--4 of Fig. 3.
tion of the various parts of my improved nail and
Fig. 5 is a longitudinal section taken on the line 35
dowel pin anchor may be made and substituted
5-5 of Fig. 3.
for those herein shown and described, without
Referring by numerals to the accompanying
departing from the spirit of the invention, the
drawing, which illustrates a preferred embodi
scope of which is set forth in the appended claim,
ment of my invention, [0 designates a conven
I claim as my invention:
tional wire nail having the usual head I l and the 40 A
nail or dowel pin anchor comprising a longi
surface of the body or shank, or a portion thereof,
tudinally split tubular body formed of thin resili
is roughened or corrugated by means of short
ent material, longitudinally disposed strips cut
horizontally disposed feather edged lips or ribs
from said body with the lower ends of said strips
l2.
45 attached thereto, serrated lips projecting in
The anchoring element shown in Fig. 2 com
wardly from the upper ends of said strips, an
prises a tubular body l3 formed of thin resilient
inclined ?ange projecting outwardly from the
sheet metal such as carbon steel, split lengthwise
upper end of said body and the lower end of
as designated by I4 and provided on its upper
end with an outwardly projecting flange 15,
slightly dished so as to conform to the shape of 50
the underface of nail head I I.
The lower end of the wall of body 13 is pro
vided with a beveled edge l5.
which body is bevelled inwardly.
JOSEPH J. SCHUTTEN.
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