US2398979A - Cable stripping tool - Google Patents

Description

April 23, 1946.

c. s. VAUGH AN, JR

CABLE STRIPPING TOOL Filed Feb. 14, 1945 2 Sheets-Sheet l Ap 1946- I c. S.'VAUGHAN, JR 2,398,979

CABLE STRIPPING TOOL Filed Feb. 14, 1945 2 Sheets-Sheet 2' 2/ 23 49 Inventor CZ ar/e s Sway/E dim/7?. %2-

By @W W' -MM,

Charles 8.

Vaughan, In, Tuacmbia, Ala.

Application February 14, 1945, Serial No. 577,765 1 Claim. (Cl. 30-91) The present invention relates to new and useful improvements in cable-stripping tools, and more particularly to a cutting tool designed to facilitate the removal of non-metallic insulation covering from cables or the like.

An important object of the present invention is to provide a tool of this character by means of 'which the outer non-metallic covering of cables may be readily removed without danger of the wires encased therein.

A further important object of the invention is to provide a tool of this character which may be drawn along the wires under the covering thereof for the purpose of cutting or slitting the covering longitudinally in a manner to prevent inJury or danger of cutting the fingers of the person operating the tool.

Other 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 part hereof and in which:

Figure 1 is a side elevational view illustrating one embodiment of the tool,

Figure 2 is a top plan view thereof,

Figure 3 is a perspective view of the cutting blade and guide shoe carried thereby,

Figure 4 is a side elevational view of a folding type of cutter,

Figure 5 is a similar view showing the cutter moved toward its folded position,

Figure 6 is a bottom plan view showing the cutter folded,

Figure '7 is an end elevational view, and

Figure 8 is a sectional view taken on a line of Figure 1,

Referring now to the drawings in detail, and first with respectto the form of invention illustrated in Figures 1 to 3, inclusive, of the drawings, the numeral 5 designates a handle constructed of flanges extending inwardly beyond the cutting edge" to formashoe ll.

The shoe I4 is rounded at its inner end, as indicated at I5. and is curved transversely to form a shallow channel it on its lower surface adapted to conform to the curvature of the wire or cable when the shoe is moved longitudinally along the surface thereof.

The outer, upper corner of the blade 9 is also formed with a cutting edge II.

In the operation of the tool, the outer, nonmetallic sheathing or covering of the cable is split longitudinally by the cutting edge I! for a short distance and then the shoe I 4 is inserted in the opening thus formed in the sheathing or covering and the shoe pulled under the sheathing or covering so that the cutting edge ll will then cut the sheathing or covering longitudinally.

In the orm of invention illustrated. in

Figures 4 to 7, inclusive, the blade I! is formed at its lower edge with the flanges l9 and shoe 20 at the inner end thereof, while the upper edge of the blade is secured to an arm 2| pivoted in one end of a handle 22.

The handle 22 is constructed similar to the handle of a jack knife having a longitudinally extending slotted opening 23 in one edge thereof, and into and out of which the arm 2| and blade I8 is movable from the position shown by the full lines in Figure 4 of the drawings to the position shown by the dotted line, whereby the blade and shoe 20 are protected while the device is not in use.

any suitable material, and from one end of which a rigid shank 6 projects, the outer end of the shank being inclined from the longitudinal center line thereof, as indicated at I.

The shank 1 is bifurcated, as shown at 8, for receiving therein a blade 9 which rojects outwardly from opposite sides of the shank. The blade is secured in position with the inclined end 1 of the shank positioned substantially midway of the opposite edges of the blade by means of screws or the like "I.

The inner edge of the blade 9 is beveled to form a cutting edge II and the lower edge of the blade is formed with laterally projecting flanges l2 and I3 projecting from opposite sides of the blade, the

The handle 22 may also be provided with one or more knife blades 23 pivoted on the pin 24 which also serves as a pivot for the arm 2|.

The rear end of the handle may be inclined, as indicated at 25, to correspond to the inclined outer end of the arm 2| on which the blade I8 is attached.

Accordingly, in either form of the invention when the shoe of the stripper is inserted under the sheathing or covering of the cable, the handle will extend in an upwardly inclined position.

It will be apparent from the foregoing that the shoe carried at the inner end of the blade will travel in advance of the cutting edge of the blade during the stripping action so as to protect the wires of the cable from contact with the cutting edge of the blade.

In view of the foregoing description taken in conjunction with the accompanying drawings, it is believed that a clear understanding of the construction, operation and advantages of a tool of this character will be quite apparent to those skilled in the art. A more detailed description thereof is accordinaly deemed unnecessary.

. It is to be understood, however, that even" in: a vertical inner cutting edge, a flange on the lower edge oi the blade proieotina laterally at each side of the blade, a shoe on the inner end oi the flanIe adapted for traveling under cable sheathilll to be out. said flange and shoe being transversely curved to conform to the wire enclosed in the sheathing, and means attached to the blade tor pulling the blade longitudinally of the cable.

CHARLES S. VAUGHAN, Ja.

Images