US627429A

US627429A - Chopping-knife

Info

Publication number: US627429A
Authority: US
Publication date: 1899-06-20
Anticipated expiration: 1916-06-20

Description

No. 627,429. Patented lune 2U, |899. G. W. LAWBAUGH.

cHoPPmG KNIFE.

(No Model.)

UNITED STATES PATENT OFFICE.

GEORGE W. LAVBAUGH, OF GENESEO, ILLINOIS.

SPECIFICATION forming part of Letters Patent No. 627,429, dated J une 20, 1899. Application tiled March 26, 1898. Serial No. 67.5.2811. (No model.)

To all whom 7125 may concern:

Be it known thatLGEoReE W. LAWBAUGH, a citizen of the United States, residing at Geneseo, in the county of Henry and State of Illinois, have invented new and useful Improvements in Ohopping-Knives, of which the following is a specification.

My invention is designed as an improvement upon those chopping-knives which have open blades; and its novelty and advantages will be fully understood from the following description and claims' when taken in conjunction with the annexed drawings, in which- Figure lis a perspective view of my improved knife with a portionof the hand-grasp broken away; and Fig. 2 is a view, partly in section and partly in elevation, of the same.

Referring by letter to the said drawings, A designates the open blade of my improved knife, which is preferably formed of a strip of spring-steel bent into circular or other suitable open form, and B designates the handle, which comprises a hand-grasp a, of wood or other suitable material, and upright end pieces b, preferably of cast metal. to their upper ends the end pieces b are provided with recesses c, so as to enable them'to receive and serve as ferrules on the ends of the hand-grasp a, to which they are connected by screws d, as shown. At their lower ends said end pieces are connected to the blade A by rivets e, and they are provided adjacent to such lower ends with shoulders f, which bear upon the upper edge of the blade and have for their purpose to prevent the imposition of strain on the rivets.

As best shown in Fig. Q'of the drawings,

the blade A is flared or inclined downwardly Adjacent.

essary clearance for the blade, and permits the cutting edge to be ground or sharpened upon the outside of the knife. This effectually prevents suet and other gummy substances from sticking in the knife, which is an objection common to those open knives having upright blades, and consequently obviates the necessity of the operator stopping frequently to clear the space within the blade and enables him to chop a large amount of substance in a short time.

The hand-grasp d of the handle B is of a peculiar form in that it is of rectangular form in cross-section and is of greater height than width. This form of hand-grasp for/an open knife is advantageous, because it will not turn vin the operators hand when the blade at one point engages a hard or tough substance, and will therefore enable the operator to force it down through said substance. From this it will be appreciated that the peculiar handgrasp a is superior to one of circular form in cross-section, which will turn in the operators hand, when the blade at one point engages a tough substance, and permit the knife to cant, and thereby prevent the operator from forcing the blade through such substance.

It will be observed that the sockets or recesses c in the uprights b are of elongated angular form. By reason of this there will be no tendency for the hand-grasp a to turn in its bearings, and, together with the fact thatin encountering a harder substance with one part of the blade than another, the implement can be operated with comparative ease, and worked very effectively.

I am aware that it is not new to provide a biscuit-cutter with a blade slightly conical to facilitate the discharge of the dough, and I am also aware that meat-choppers have been provided with a circular blade having a handle of circular form secured in standards, and in some cases chopping-knives have had their circular handles arranged in correspondinglyshaped sockets in the standards, andI therefore do not claim any of these constructions; but I am well aware that a knife comprising a circular open blade of even diameter throughout its height is old, and I therefore make no claim to the same.

What I do claim, and desire to secure by Letters Patent, is-

IOO

l. A chopping-knife having a blade bent, or curved, to present a downwardly-Haring conical interior surface, and having a partiallycylindrical exterior surface which forms, in conjunction with the inner surface, the cntting edge, whereby the clearance of the interior surface is facilitated; said blade being provided with a handle rigidly connected to the upper part of said blade at right angles thereto, or in substantially the axial line of the said cylindrical surface, substantially as set forth.

2. A chopping-knife having a blade bent, or

A curved, to present a downwardly-Haring conting edge, whereby the clearance of the interior surface is facilitated; said blade being provided with a handle rigidly connected to zo ing in the hand and to insure a direct thrust 25 of the blade, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

GEORGE W. LAWBAUGH.

Witnesses:

GEo. S. WELLS, JOHN C. FISCHER.