# US 2019/0315010 A1 · Rotationally actuatable blade, particularly for automatic industrial slicing machines > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0315010 A1 - Document ID: US20190315010A1 - Status: Published application - Kind: A1 - Application number: 15/772,589 - Filed: 2016-06-13 - Published: 2019-10-17 - Earliest claimed: 2015-03-11 - Assignees: Slayer Blades S.R.L. - Applicants: Slayer Blades S.R.L. - Inventors: Gaetano SCATTOLIN - Web page: https://patentgrep.com/patent/US20190315010A1 ## CPC - B26D 1/0006: {Cutting members therefor} - B26D 2001/002: {Materials or surface treatments therefor, e.g. composite materials} - B26D 2001/0046: {rotating continuously about an axis perpendicular to the edge} - B26D 2001/006: {the cutting blade having a special shape, e.g. a special outline, serrations} - B26D 2210/02: for cutting food products, e.g. food slicers - B26D: CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING (for growing crops or plants A01D, A01G; for fodder or straw A01F; for bulk butter A01J; for dough A21C; slaughtering A22B; for tobacco, cigars or cigarettes A24; marking-out, perforating or making buttonholes A41H25/00; manufacturing footwear A43D; brushmaking A46D; surgery A61B; disintegrating, mincing or shredding in general B02C; cutting wire, making pins or nails B21F, B21G; of the kind used formetal B23; cutting by abrasive fluid jets B24C5/02; hand-held cutting tools B26B; perforating, cutting-out, stamping-out or punching, or severing by means other than cutting B26F; for wood B27; for stone B28D; working of plastics or substances in a plastic state B29; making boxes, cartons, envelopes or bags, of paper or similarly worked materials, e.g. metal foil, B31B; article or web delivery apparatus incorporating cutting or line-perforating devices B65H35/00; for leather or upholstery B68, C14B; for glass C03B; making matches C06F; for peat C10F; for sugar C13B45/00; for textile materials D06H; civil engineering, building, mining, see Section E; for light guides G02B6/25; cutting processed photographic material G03D15/04) ## Abstract A rotationally actuatable blade, particularly for automatic industrial slicing machines, the blade comprising a blade body which extends around a main axis and has a central region for fixing a spindle for actuating the blade with a rotary motion about the main axis and a perimetric region which ends toward the outside with a sharp edge, the transition region, comprised between the central region and the perimetric region, having a plurality of concentric circumferential bends which follow each other with alternating bending directions and with extensions, parallel to the main axis, which decrease from the central region in the direction of the perimetric region. ## Claims ### Claim at position 1 1-13. (canceled) ### Claim 14 A rotationally actuatable blade, comprising a blade body which extends around a main axis and has a central region for fixing a spindle for actuating the blade with a rotary motion about said main axis and a perimetric region which ends toward the outside with a sharp edge, wherein the transition region, comprised between said central region and said perimetric region, has a plurality of concentric circumferential bends which follow each other with alternating bending directions and with extensions, parallel to said main axis, which decrease from said central region in the direction of said perimetric region. ### Claim 15 (depends on 14) The blade according to claim 14, wherein said central region has a greater thickness than said transition region. ### Claim 16 (depends on 14) The blade according to claim 14, wherein said concentric circumferential bends are provided in a wave-like manner, are mutually blended and have breadths that decrease progressively from said central region to said perimetric region. ### Claim 17 (depends on 14) The blade according to claim 14, wherein a concentric circumferential bend of said plurality of concentric circumferential bends that is closest to said sharp edge has a convexity that is directed in the opposite direction with respect to the deformation of the sharp edge and which is induced by the product that is subjected to cutting during the cutting operation. ### Claim 18 (depends on 14) The blade according to claim 14, wherein said sharp edge lies on a lower plane which is perpendicular to said main axis and delimits axially the blade body on one side. ### Claim 19 (depends on 14) The blade according to claim 14, wherein an upper face of said central region, which lies opposite with respect to a face that can be fixed to a spindle or lower face, lies on an upper plane, which is perpendicular to said main axis and delimits axially the blade body on the opposite side with respect to said lower plane. ### Claim 20 (depends on 19) The blade according to claim 19, wherein said lower face of said central region lies on a plane of the spindle that is parallel to said upper plane and to said lower plane, a distance between a plane of the spindle and said lower plane being less than a distance between said plane of the spindle and said upper plane. ### Claim 21 (depends on 19) The blade according to claim 19, wherein a first bend of said plurality of bends, starting from said central region, has a concavity that is directed toward said upper plane. ### Claim 22 (depends on 19) The blade according to claim 19, wherein a distance between a crest of a first bend of said plurality of bends, starting from said central region, which has its concavity directed toward said lower plane, and said upper plane is less than a thickness of said blade body in said transition region. ### Claim 23 (depends on 19) The blade according to claim 19, wherein a distance between a crest of a first bend of said plurality of bends, starting from said central region, which has its concavity directed toward said upper plane, and said lower plane is less than a thickness of said blade body in said transition region. ### Claim 24 (depends on 19) The blade according to claim 19, wherein a bottom of the first two bends of said plurality of bends, starting from said central region, which have their concavity directed toward said upper plane, are substantially tangent to said plane of the spindle. ### Claim 25 (depends on 14) The blade according to claim 14, wherein said blade body has a disk-like shape with said sharp edge extending along a circumference that is centered on said main axis. ### Claim 26 (depends on 18) The blade according to claim 18, wherein said perimetric region, proximate to said sharp edge, forms, together with said lower plane, an acute angle.