US2464002A - Pipe-bending tool - Google Patents

Description

March 8, 1949. H. H. SNYDER PIPE BENDING TOOL 2 Sheets-Sheet 1 Filed March 30, 1945 March 8, 1949; SNYDER 2,464,002

PIPE BENDING' TOOL Filed March 30, 1945 I 2 Sheets-Sheet 2 gvwe/wto b IIA/FOZD A SNYDER m @WIW Patented Mar. 8, 1949 UNITED STATES LeATENT OFFICE PIPE-BENDING TOOL Harold H. Snyder, Great Falls, Mont.

Application March 30, 1945, Serial No. 585,614

1 Claim. 1

The present invention relates to new and useful improvements in tools designed to bend ofisets in thin-walled electrical conduits and has for its primary object to provide a tool of this character adapted for bending the pipe upwardly or downwardly without necessitating removal of the tool therefrom.

A further object of the invention is to provide a tool of this character for bending electric conduits without injury so that the wires may be readily pulled through the same without injury to the insulation of the wires.

A still further object of the invention is to provide a tool of this character of simple and practical construction, which is strong and durable, efficient and reliable in operation, relatively inexpensive to manufacture and otherwise well adapted for the purposes for which the same is intended.

Further objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming a part hereof wherein like numerals refer to like parts throughout and in which:

Figure 1 is a side elevational view showing the tool in use for providing an upward bend in the p p Figure 2 is a top plan view;

Figure 3 is a front elevational view;

Figures 4 and 5 are transverse sectional Views taken respectively on the lines 44 and 5-5 of Figure 1;

Figure 6 is a modified form of the tool, partly in section;

Figure 7 is a rear elevational view;

Figure 8 is a sectional view taken substantially on a line 88 of Figure 6; and

Figure 9 is a side elevational view showing the tool used for bending the pipe downwardly.

Referring now to the drawings in detail wherein for the purpose of illustration I have disclosed a preferred embodiment of the invention, the numeral 5 designates a substantially foot-shaped member having flat sides and including a toe portion 6, a heel portion 1 and a shank portion 8 rising upwardly at the heel portion of the member and externally threaded for attaching a handle 9 thereto.

One side of the member 5 is formed with a groove l0 extending from a point above the heel portion 1 forwardly to a point at the bottom of the member below the toe portion 6 thereof as will be apparent from an inspection of Figure 1 of the drawings.

The upper edge of the groove II) is formed with a channel 5 l and the heel portion 7 is formed with a channel l2 which extends around the rear and bottom edges of the heel portion and communicates with a channel II! at the lower edge of the groove H].

The channel I2 in the bottom of the heel portion I communicates with the front end of the groove I'll so that a pipe I4 may be positioned longitudinally at the lower edge of the member 5 and received in the front end of the groove ID as well as in the channel 12 and with the front end of the channel I I and the rear end of the channel 92 formin fulcrums.

A ring member l5 having an open side l5a for receiving the pipe and formed with a shank l5b is pivoted at the toe portion 6 of the member 5 on a transverse pin I50 and extends downwardly at the toe portion of the member 5 for engaging the pipe Is to retain the same in position at the bottom of the member.

Accordingly by moving the handle 9 rearwardly the toe portion 6 of the member 5 will be tilted upwardly and using the rear end of the channel I2 as a fulcrum the pipe M will be bent upwardly as indicated in Figure 1 of the drawings.

As shown in modified construction in Figures 6 to 9 inclusive, the toe portion 6 is also formed with a flared opening ll extending upwardly and forwardly from the channel I l and through which the pipe may be inserted to extend downwardly under the heel l as shown by the upper dotted lines in Figure 6. Accordingly, with the two ends of the pipe It held so as to prevent swinging movement thereof but to permit a sliding movement thereof, the handle is swung clockwise to the position of the tool, as seen in Figure 6, so that an offset will be bent in the pipe as indicated at I8.

When it is desired to bend the pipe l4 downwardly, the pipe is positioned in the groove I!) as indicated in Figure 9 of the drawings so that the front end of the channel I l and the rear end of the channel it will then form the fulcrum when the handle 5 is tilted counter-clockwise or forwardly. Assuming the right-hand end of pipe it (Figure 9) is retained against swinging movement, the pipe will be bent as illustrated in Figure 9, when tool 5 is swung counterclockwise.

The outer surface of the heel portion 1 is formed with a rib l 5 which constitutes a guide to indicate a predetermined angle of the bend in the pipe when the member 5 is tilted so as to position the rib vertically.

In view of the foregoing description taken in conjunction with the accompanying drawings it is believed the details of construction, operation and advantages of the device will be readily understood by those skilled in the art. A more detailed description thereof is accordingly deemed unnecessary.

It is to be understood however that even though I have herein shown and described the preferred embodiments ,of' my invention ,that the c same is susceptible to certain changes fully comprehended by'the spirit of the invention as herein described, and the scope of the appended claim While the foregoing specification sets forth the invention in specific terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope .of the invention as claimed hereinafter.

Having thus described my inventionywhat I claim as new is:

A rpipe -bending "tool -:comprising 1a 'agenerally foot-shaped member S having a; heel: portion provided -witn a recessediside, said rmember "hailing an integrali lateral lproiectionrdisposed the recessed side 0f theiheel 'portion- 'inc1u"ding anfi enlarged outer portion disposed ssubstantiall quarallel to the-fopiposite aside 10f the heeleand s-a re- =*stricted= shank i extending betweenzth'e .1 enlarged outer portion and saidioppositessi'de *of the? heel,

and a hook-like hanger pivoted to and depending from the underside of the toe portion of the footshaped member and adapted to detachably engage a portion of a pipe to be bent, said restricted 5 shank being adapted to engage another portion of the pipe, the unrecessed side of the heel and the enlarged portion of the projection defining flanges for retaining the pipe in engagement with said shank ,portion, whereby, when the foot- 10 shapedmember is rockedixto swing the heel portion toward the vpipe,'the pipe will be bent only at two aspaced points to form an ofiset therein when the ends of the pipe are slidably and nonswingably held 15 HAROLD H. SNYDER.

1 REFERENCES CITED ,Theiollowing references are of record in the file of this patent:

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