US1623130A - Barber shears - Google Patents

Description

I Inventor 152$. 052$,

Attorney 6 w s m 1. a n m on W 4.2 o w m vi/x/flc m A d B m 7/4 F 9 a 44 Wm A Patented Apr. 5, 1927.

UNITED STATES HOWARD S. OTIS, OF JANESVILLE, WISCONSIN.

BARBER SHEARS.

Application filed March 19, 1926.

The present invention relates to barber shears and aims to provide a structure which is an improvement over the ordinary barber shears, in that it can always be maintained sharp, may be adjusted to its proper set and wherein the worn parts can be replaced.

Another important object of the invention is to provide shears of this nature which are simple in construction, efficient and reliable in use, and operation, easy to adjust and manipulate, and otherwise well adapted to the purpose for which they are designed.

Vv ith the above and numerous other objects in view as will appear as the description proceeds, the invention resides in certain novel features of construction, and in the combination and arrangement of parts as will be hereinafter more fully described and claimed.

In the drawing:

Figure 1 is an elevation of a pair ofshears embodying the features of my invention,

Fig. 2 is a transverse section throughthe blades in a closed position,

Fig. 3 is a. transverse section through the pivoted portions of the blades,

Fig. 4 is a fragmentary longitudinal section through one of the blades,

Fig. 5 is a perspective View of a portion of one of the blades,

Fig. 6 is a perspective view of the wire spring, and

Fig. 7 is a perspective view of one of the detachable cutting portions.

Referring to the drawing in detail, it will be seen that the numerals 5 designate two blades having the handle portions 6 and tinengaging terminals or rings 7, one of which is provided with an abutment screw 8 and the other with an extension 9. The abutment screw 8 may be adjusted to limit the approach of the portions or terminals 7 toward each other, and therefore limit the approach of the ends of the blades 5 toward each other.

The blades are pivoted together by a bolt 10 threaded in one blade and a plug 11 threaded in the other blade and having a recess 12 for receiving the head of the bolt 10. By the adjustment of the plug 11 or the bolt 10 or the both of them, the blades may be adjusted to normally create more or less friction therebetween. However, in order to prevent this friction, I provide a set screw 30 through one blade bearing against a rounded portion 31 on the other blade.

Serial No. 95,982.

This set screw and rounded portion prevent any binding effect. The set screw may be adjusted to rub on the portion 31' and tends to pry on the end of the shears and alternate ly throws the two cutting portions together, thereby producing the desired friction only on the cutting portion. If in the manufac ture of these cutting portions, a pair happens to be a little thick, the plug 11 may be turned to adjust the blades apart to accommodate the thickness of the cutting portions.

The plug also maintains the shears steady,

that is, prevents wobbling, and when it is worn, can be replaced. Each blade 5 has a recess 13 formed there- 1n and extending longitudinally thereof adj acent the cutting edge thereof, starting from the point or terminal to a point adjacent the pivot. The bottom of the recess is beveled and ridged as is indicated at 15. A lug 16 extends inwardly over the upper portion of the recess. A cutting portion 17 is receivable in the recess 13, being shaped to fit snugly therein and having a notch at one end as at 18 to receive the lug 16, and an opening 19 adjacent the other end entering a pocket 20. A spring wire 21 at one end is hooked as at 22 to extend through a slot 23 in the blade and the opening 19 in the cutting portion 17 terminating within the pocket 20.

The other end of the spring wire is bent and engaged in a screw 24 threadedly mounted in the blade. By turning the screw 24., the spring may be tensioned as desired for holding the cutting edge portion in the blade.

It is thought that the construction, operation, utility, and advantages of this inven tion will now be clearly understood without a more detailed description. The present embodiment of the invention has been disclosed in detail, since in actual practice it attains the features of advantage enumerated as desirable in the statement of the invention and the above description. It will be apparent.

Having thus described myinvent-ion, what i I claim as new is 1. A device of the class described including a pair of blades, means for pivoting the blades together, each blade being provided with a longitudinally extending recess start- NEC ing at the extremity thereof and terminating a slight "distance froin the pivot thereof, a. lug projecting from the end of the recess inwardly thereof adjacent thepivot, a cutting edge portion having a notch at one end, said cutting edge portion adapted to be. received in the recess and the lug adapted to extend in the notch, and a spring engaged with the other end of the cutting edge porti'on and with the blade.

2 A device of the class described including a pair ofhlades, means for pivotiiigthe blades together, each blade being provided with a longitudinally extending recess starting'at the extremity thereof and terminating a slight distance from the pivot thereof, a lug projecting from the end of the recess inwardly thereof adjacent the pivot, a cutting edge portion having a notch at one end, said cutting edge portion adapted'to be received in the recess, and the lug adapted to extend in the notch, a wire spring having one end engaged with the other end of the cutting edge portion, and a screw threadediy engaged 'in the blade and having the other "end of the spring Wire engaged therewith.

In testimon whereof I aflix my signature.

HOWARD S. OTIS.

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