US2439616A - Conductor pipe hook - Google Patents

Description

I April 13, 1948.

M. B. WOLFE ,439,5 6

'coNDucToR' PIPE HOOK Filed Sept. 12, 1944' of the drive and Patented Apr. 13, 1 948 UNITED STATES CONDUCTOR PIPE HOOK Morton B. Wolfe,

Berger Bros.

Norwood, Pa., assignor to Company, Philadelphia, Pa., a

corporation of Pennsylvania Application September 12, 1944, Serial No. 553,693, 1 Claim. (01. 248-71) This invention relates to an improved conductor pipe hook.

Conductor pipe hooks, as is well known, are used for the securing of rain spouting or conductor pipes to the sides of buildings. Such 6 hooks comprise a drive portion, adapted to be driven into the wall of a building, and a hook portion for engagement with a conductor pipe to be secured to the building.

Heretofore conductor pipe hooks have generally been produced as malleable iron castings, though variously they have been produced as forgings and from sheet material.

Conductor hooks produced by casting malleable iron have been open to various objections in that they are not easily driven and that under load they tend to break. Conductor hooks made by forging are objectionable because of their considerable cost; and those as heretofore made of sheet metal have lacked requisite strength and tend to bend, especially in the area of juncture conductor pipe engaging portions.

Now in accordance with this invention, there is provided a conductor hook formed from sheet metal in such manner and so designed as to have requisite strength, especially in the area of juncture between the drive and conductor pipe engaging portions.

The conductor hook according to this invention will be inexpensive to produce, and, indeed, may be made of scrap material, but, in any event, may be made with standard sheet material, it will be easily driven into wood, stone or brick walls and will not break or bend in service.

Having now indicated, in -a general way, the nature and purpose of this invention, I will proceed to describe a preferred embodiment thereof in connection with a description of the method for its production according to this invention, all with reference to the accompanying drawing, in which:

Figure 1 is a plan view of a blank for the formation of a conductor hook according to this invention by the method thereof.

Figure 2 is a view showing a stage in the formation of the conductor hook.

Figures 3 and 4 are views at a further stage in the formation of the hook, the first being a plan view and the second a longitudinal section.

Figure 5 is a side view of the completed hook.

Figure 6 is an end view of the completed hook.

The blank A, Figure 1, may be stamped or cut from any suitable sheet metal, as, for example,

sheet i-ron, sheet steel, or the like, of suitable guage. I a

The bflank A comprises essentially two parts, the tapered part b having abrupt shoulders to form a drive head, which will be formed to provide the drive portion of the finished hook and the part c, which will be formed to provide the hook or conductor pipe engaging portion of the finished hook having curved portions of substantial radii extending from its edges into the driving head forming shoulders of the part b. The area d comprises the area of juncture between the drive and hook portions and will be so formed in connection with the formation of the drive and hook portions as to give great strength to the finished hook.

In the formation of a finished hook from the blank A, the part b is bent upon itself on its median longitudinal line and a longitudinally extending bead l is pressed out in the portion 0. The bead extends short of the free end of the part c and into the area d.

Figure 2 shows the part b partly bent upon itself and the bead I formed in the part c.

As the bending of part b upon itself is completed to form the drive portion, the metal in the area of juncture d will be bent from opposite sides of the drive on a curve inwardly over the portion of bead I which extends into area at, as shown in Figure 3, with the formation of hollow reinforcing shoulders or beads 2, 2 in the area of juncture.

The hook is completed by bending the part 0 having the bead l formed therein to the form required for engagement with the form of conductor pipe with which it is to be used.

Figures 5 and 6 show the completed hook comprising a drive portion 3 and hook portion 4, shown as curved for engagement with round conductor pipe, but it may be angular to engage square or multi-sided conductor pipe.

From an inspection of Figures 5 and 6, it will be noted that the area of juncture of the drive and hook portions is greatly strengthened by the inwardly curved and compressed portions 2, 2, which flow from the hook portion and blend into the drive portion and which overlie the extension I of the bead, and give to the area of lungture reinforcement in all directions, especially against tendency of the hook portion under strain to bend with respect to the drive portion.

It will be appreciated that various modification in detail may be made in the procedure and structure described above without departing from this invention as defined in the claim appended flanges extending laterally from said bead, the

drive portion comprising two similar members, each having a drive headrforming portion over the reinforcing portion formed by foldingthe blank along the medial portion lfrom the end thereof to the bead, said members extending perpendicular to the pipe engaging flanges, and inwardly curved portions extending from said '4 flanges and merging into the drive head thereby forming the hollow reinforcing portion over the end of the bead and the junction of fold between the drive members.

REFERENCES CITED Thefoll owing references are of record in the file of this patent:

UNITED STATES PATENTS Date Number Name 1,002;640 Brune Sept. 5, 1911 1,329,268 Dickelmann et al. Jan. 27, 1920 V FOREIGN PATENTS Number Country Date 26 'Great Britain Jan. 1, 1914 175,143 Great Britain Feb. 16, 1922 MORTON B. WOLFE.

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