US528562A - Chopping knife - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1.

- W. L. PIKE.

GH OPPING KNIFE.

J' 5 Patented Nov. 6; 1894.

IINVENTCR WITNESSES:

ATTORN EYS.

(No Model.) 2 Sheets-Sheet 2.

.W. L. PIKE. GVHOPPING KNIFE.

No.- 528,56Z."- Patented Nov. 6,1894.

INVENTOR William LLFi/QE. .WITNESSES:

ATTOR N EYS.

NI'liED STATES PATENT OEEIo-E.

WILLIAM L. PIKE, OF GROTON, NEW YORK.

CHOPPlNG-KNIFE.

SPECIFICATION forming part of Letters Patent No. 528,562, dated November 6, 1 894.

Application filed January 24,1894. Serial No. 497,869. (No model.)

To all whom it may concern.-

Re it known that I, WILLIAM L. PIKE, of Groton, in the connty of Tompkins, in the State of New York, have invented new and useful Improvements in Chopping-Knives, of which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to choppers, adapted for the mincing or cutting of meats, vegetables, or other material.

My object is to improve upon such choppers, whereby I am enabled to produce a shearing, sawing, or longitudinal movement upon the material to be cut by the downward motion of theknife; andtoaccomplishthisandserrateor scallop the cutting edge or edges of the knives so that as the blade passes downward the material to be cut passes longitudinally along the upward edge of the serration, thereby producing the same effect by a downward stroke of the knife that is accomplished by the downward and longitudinal movement of a blade with a plain edgeyand to that end myinvention consistsin the severalnew and novel features and combination of parts hereinafter described and which are specifically set forth in the claim hereunto annexed. It is constructed as follows, reference being bad to the accompanying drawings, in which- Figure 1, is a side view of the knife, complete. Fig. 2, is an edge view thereof. Fig. 3, is a bottom plan view of the handle at the point where it is secured to the blades. Fig. 4,is an edge view thereof. Fig. 5, is a blank blade which may be bent to form two blades of a knife. Fig. 6, is a view of the blank before it is bent. Fig. 7, shows an ordinary chopping knife, provided with my improvements.

A is a blade having its cutting edge preferably curved and its edges serrated or scalloped, as shown at -a, said edges being sharpened clear to the points ,and B-' is a handle, of any form desired, having an enlargement -C at its base perforated centrally and provided with downwardly projecting lugs -c for the purposes hereinafter specified.

The knife may be made with asingle blade,

as shown in Fig. 7, or, in case Idesire to make a knife with multiple blades, may be made as shown in Fig. 2, in which each of the upper ends dof the blademay be bent over at substantially a right angle, as shown in Fig. 2, each having a perforation -e concentric With each other when the blades are put together as shown in Fig. 2, and lateral perforations fadapted to receive the lugs --c upon the base of the handle so that when the bolt or thumb-screw D is passed through said blades and the handle, the lugs cwill be forced into the openings fand firmly hold the blades in position and preventlateral orlongitudinal displacement.

In case I desire to construct the two blades in one piece they may be stamped out from a piece of sheet metal, as shown in Fig. 5, and then bent U-shaped, having the sides or cutting blades substantially parallel, and the handle secured thereto. The lugs -c then enter in the perforations fand keep the handle from turning upon the blades.

In Fig. 6 Ishow a blank blade stamped from a sheet of metal before the upper end is bent over, as shown in Fig. 2.

I do not limit myself to a chopping blade with two knives, as it will be evident that other blade or blades miy be constructed substantially as shown, and mounted between the blades A, either allowing their cutting edge to be in substantially the same plane with the edge of the outer blades-or not, as desired. 7 It will be observed that, as the knives are forced down on to the material to be cut, as

soon as the extreme points or edge of the I blades strike the material, the lateral edges of each scallop will begin to move laterally upon the material, thereby cutting the material by a slightly drawing motion, which greatly facilitates the same.

What I claim is- In a chopping knife the combination of a handle provided at its lower end with a disk having formed therein an opening or passage and having on its under side, on opposite sides of such opening, a pair of downwardly projecting studs, a blade having its upper portion bent to extend substantially at right angles to its body and provided with 0penface of said disk, substantially as shown and ings adapted to receive the studs 0n aiigndescribed. In ment with the opening in the disk at the In witness whereof Ihave hereunto set my lower end of the handle, a headed bolt exhand this 20th day of January, 1894.

5 tending through the aligned openings in the W. L. PIKE.

blade and the disk carried by the handle, and In presence of a thumb nut secured on the upper end of HOWARD P. DENISON,

such bolt and bearing against the upper sur- M. M. BORST.

Images