Knives and knife assemblies for slicing machines and slicing machines equipped therewith

Patent metadata

Field	Value
Publication number	US-10933552-B2
Application number	US-201916436068-A
Country	US
Kind code	B2
Filing date	Jun 10, 2019
Priority date	Jun 8, 2018
Publication date	Mar 2, 2021
Grant date	Mar 2, 2021

Abstract

Knives and knife assemblies for slicing machines and centrifugal-type slicing machines equipped therewith. Such a knife includes a cutting edge and an opposing edge oppositely disposed from the cutting edge. The cutting and opposing edges extend along a longitudinal length of the knife, and the knife has a handle at a longitudinal end of the knife. A transition region is between the cutting edge and the handle, and the transition region has a minimum lateral width of roughly one half of a lateral width between the cutting and opposing edges of the knife, with the result that a portion of the knife that laterally extends beyond the transition region is up to roughly half of a lateral width of the knife between the cutting and opposing edges.

First claim

The invention claimed is:

1. A knife comprising:
A knife for using with a knife assembly of a slicing machine, the knife comprising: a cutting edge and an opposing edge oppositely disposed from the cutting edge, the cutting and opposing edges extending along a longitudinal length of the knife;
a handle at a longitudinal end of the knife, the handle having a lateral width that is defined by the opposing edge and a third edge of the handle; and
a transition region between the cutting edge and the handle, the transition region being formed at least in part by a recess that is oppositely disposed from the opposing edge and contiguous with the cutting edge, the transition region having a minimum lateral width of roughly one half of a lateral width between the cutting and opposing edges of the knife, with the result that a portion of the knife that laterally extends beyond the transition region and away from the handle is roughly half of the lateral width of the knife between the cutting and opposing edges;
wherein the recess is between the cutting edge and the third edge on the handle that defines the lateral width of the handle with the opposing edge;
wherein the recess is delimited by a lateral edge contiguous with and roughly perpendicular to the cutting edge, a longitudinal edge that is contiguous with the lateral edge, straight, and parallel to the cutting and opposing edges, and a transition edge that is contiguous with the longitudinal edge and the third edge of the handle; and
wherein the transition edge is not parallel to and is not perpendicular to the cutting, opposing, or third edges, such that the lateral width of the transition region increases from a minimum width between the longitudinal edge and the opposing edge, to the third edge of the handle, wherein the knife is mounted to the knife assembly.

2. The knife of claim 1 , wherein the third edge is straight and parallel to the cutting and opposing edges.

3. The knife of claim 1 , wherein the recess is juxtaposed with the cutting edge and is delimited by an edge that is contiguous with the cutting edge.

4. A knife assembly comprising the knife of claim 1 , the knife assembly having a clamping assembly comprising:
a knife holder having an outer surface; and
a clamp that applies a clamping force to the knife to secure the knife to the outer surface of the knife holder.

5. The knife assembly of claim 4 , wherein the third edge is straight and parallel to the cutting and opposing edges.

6. The knife assembly of claim 4 , wherein the recess is juxtaposed with the cutting edge and is delimited by an edge that is contiguous with the cutting edge.

7. The knife assembly of claim 4 , wherein the clamping force applied by the clamp is primarily applied through contact with the portion of the knife that laterally extends beyond the handle.

8. The knife assembly of claim 4 , wherein the clamping force applied by the clamp is primarily applied through contact with the portion of the knife that extends beyond the handle so that additional rigidity contributed by the handle to the knife does not influence the flexing of the knife between the knife holder and clamp with the result that the knife more fully and uniformly engages the outer surface of the knife holder.

9. The knife assembly of claim 4 , wherein the knife holder comprises a leading edge that extends longitudinally between opposite ends of the knife holder, the knife is clamped to the knife holder by the clamp so that the cutting edge of the knife is adjacent to and projects beyond the leading edge of the knife holder, and the knife holder has at least one recess at a corner defined by an intersection of the leading edge of the knife holder and one of the ends of the knife holder.

10. A slicing machine comprising a cutting head and a knife assembly mounted to the cutting head, the knife assembly comprising:
a knife comprising:
a cutting edge and an opposing edge oppositely disposed from the cutting edge, the cutting and opposing edges extending along a longitudinal length of the knife;
a handle at a longitudinal end of the knife, the handle having a lateral width that is defined by the opposing edge and a third edge of the handle; and
a transition region between the cutting edge and the handle, the transition region being formed at least in part by a recess that is oppositely disposed from the opposing edge and contiguous with the cutting edge, the transition region the transition region having a minimum lateral width of roughly one half of a lateral width between the cutting and opposing edges of the knife, with the result that a portion of the knife that laterally extends beyond the transition region and away from the handle is roughly half of the lateral width of the knife between the cutting and opposing edges;
wherein the recess is between the cutting edge and the third edge on the handle that defines the lateral width of the handle with the opposing edge;
wherein the recess is delimited by a lateral edge contiguous with and roughly perpendicular to the cutting edge, a longitudinal edge that is contiguous with the lateral edge, straight, and parallel to the cutting and opposing edges, and a transition edge that is contiguous with the longitudinal edge and the third edge of the handle; and
wherein the transition edge is not parallel to and is not perpendicular to the cutting, opposing, or third edges, such that the lateral width of the transition region increases from a minimum width between the longitudinal edge and the opposing edge, to the third edge of the handle;

a knife holder having an outer surface; and
a clamp that applies a clamping force to the knife to secure the knife to the outer surface of the knife holder.

11. The slicing machine of claim 10 , wherein the third edge is straight and parallel to the cutting and opposing edges.

12. The slicing machine of claim 10 , wherein the recess is juxtaposed with the cutting edge and is delimited by an edge that is contiguous with the cutting edge.

13. The slicing machine of claim 10 , wherein the clamping force applied by the clamp is primarily applied through contact with the portion of the knife that extends beyond the handle.

14. The slicing machine of claim 10 , wherein the clamping force applied by the clamp is primarily applied through contact with the portion of the knife that extends beyond the handle so that additional rigidity contributed by the handle to the knife does not influence the flexing of the knife between the knife holder and clamp with the result that the knife more fully and uniformly engages the outer surface of the knife holder.

15. The slicing machine of claim 10 , wherein the cutting head is an annular-shaped cutting head comprising axially-spaced support rings, the knife assembly is mounted to and between the support rings, the slicing machine further comprises an impeller coaxially mounted within the cutting head for rotation about an axis of the cutting head in a rotational direction relative to the cutting head, and the knife extends radially inward toward the impeller in a direction opposite the rotational direction of the impeller.

16. The slicing machine of claim 15 , wherein the knife holder comprises a leading edge that extends longitudinally between opposite ends of the knife holder, the knife is clamped to the knife holder by the clamp so that the cutting edge of the knife is adjacent to and projects beyond the leading edge of the knife holder, and the knife holder has at least one recess at a corner defined by an intersection of the leading edge of the knife holder and one of the ends of

Assignees

• Urschel Laboratories Inc
• Crescent Mfg Company

Inventors

• Baxter Corey Everette
• Gereg Dustin Joseph
• Dudley Steven Eugene

Classifications

• B26D7/2614 Primary

  Means for mounting the cutting member · CPC title

• B26D2001/006

  the cutting blade having a special shape, e.g. a special outline, serrations · CPC title

• B26D1/0006

  Cutting members therefor · CPC title

• B26D1/03 Primary

  with a plurality of cutting members · CPC title

• B26D7/0691

  by centrifugal force · CPC title