Патент USA US2404928код для вставки
Jul)’ 30, 1946- > 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 - 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.