# US 12,759,175 B2 · Knife with articulated blade equipped with a cap lifter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,759,175 B2 - Document ID: US12759175B2 - Status: Granted - Kind: B2 - Application number: 18/408,418 - Filed: 2024-01-09 - Published: 2024-07-11 - Granted: 2026-10-13 - Earliest claimed: 2023-01-10 - Assignees: Opinel SAS - Applicants: Opinel SAS - Inventors: François Opinel - Web page: https://patentgrep.com/patent/US12759175B2 ## CPC - B26B 11/001: {of the Swiss-knife type} - B67B 7/0411: {without supporting means for assisting the pulling action} - B67B 7/16: for removing flanged caps, e.g. crown caps - B67B 2007/0458: {Means for cutting sealing capsules} - B67B 7/44: Combination tools, e.g. comprising cork-screws, can piercers, crowncap removers (combinations of opening devices with cutting tools B26; with devices serving other purposes, see appropriate subclasses, e.g. B25F; B43K29/00) - B26B: HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR (for harvesting A01D; for horticulture, for forestry A01G; for butchering or meat treatment A22; for manufactering or repairing footwear A43D; nail clippers or cutters A45D29/02; kitchen equipment A47J; {vegetable slicers, julienne cutters and similar devices and holders therefor, B26D3/28}; for surgical purposes A61B; for metal B23D; cutting by abrasive fluid jets B24C5/02; plier-like tools with cutting edges B25B7/22; pincers B25C11/02; handles for hand implements, in general B25G; guillotine-type cutters B26D; {perforating by non-mechanical means, e.g. by fluid jet, B26F1/26}; for erasing B43L19/00; for textile materials D06H) - B67B: APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS (opening or closing devices attached to, or incorporated in, containers or container closures B65D) ## Abstract The invention relates to a knife comprising a handle of longitudinal axis and a blade rotatably mounted at a first longitudinal end of the handle, between a position deployed outside the handle and in alignment thereof, and a position folded in a space provided in the handle, the knife further comprising a cap lifter, the cap lifter being placed at a second longitudinal end of the handle, the cap lifter comprising a wire structure mounted to freely rotate about an axis orthogonal to the longitudinal axis of the handle, the wire structure defining with the handle a closed contour delimiting a cap lifting aperture intended to receive a capsule, and in that the cap lifter comprises a bearing element allowing the bearing of the cap lifter on an upper part of the capsule, said bearing element being formed by a bearing zone of the handle, and a hooking element allowing the hooking of the cap lifter under the capsule, said hooking element being formed by a rectilinear transverse portion of the wire structure. ## Claims ### Claim 1 A knife comprising a handle with a longitudinal axis and a blade rotatably mounted at a first longitudinal end of the handle, between a position deployed outside the handle and in the alignment thereof, and a folded position in a space provided in the handle, the knife further comprising a cap lifter, the cap lifter being placed at a second longitudinal end of the handle, the cap lifter comprising a wire structure mounted to freely rotate about an axis orthogonal to the longitudinal axis of the handle, the wire structure defining with the handle a closed contour delimiting a cap lifting aperture intended to receive a capsule, and in that the cap lifter comprises a bearing element allowing bearing of the cap lifter on an upper part of the capsule, said bearing element being formed by a bearing zone of the handle, and a hooking element allowing the hooking of the cap lifter under the capsule, said hooking element being formed by a rectilinear transverse portion of the wire structure, wherein the bearing zone of the handle is a flat surface of the handle, arranged at the second longitudinal end of the handle and inclined relative to the longitudinal axis of the handle. ### Claim 2 (depends on 1) The knife according to claim 1, wherein the wire structure consists of a bent metal wire. ### Claim 3 (depends on 2) The knife according to claim 2, wherein the wire structure is flat and in that the wire is of circular section. ### Claim 4 (depends on 3) The knife according to claim 3, wherein a diameter of the wire is less than 3 mm. ### Claim 5 (depends on 3) The knife according to claim 3, wherein a diameter of the wire is comprised between 1.5 and 1.8 mm. ### Claim 6 (depends on 1) The knife according to claim 1, wherein the wire structure successively comprises, from the second longitudinal end of the handle and moving away longitudinally from said second longitudinal end: a) two transverse end portions each engaged in a transverse housing of the handle, b) two longitudinal portions each connected upstream to a transverse end portion, c) two inclined portions in the direction of the longitudinal axis of the handle and each connected upstream to a longitudinal portion, and d) said transverse rectilinear portion which is connected to the two inclined portions. ### Claim 7 (depends on 1) The knife according to claim 1, further comprising a first ferrule, called a fixed ferrule, in the form of a split ring, fitted to the first end of the handle and crossed by a rotation rod on which the blade is rotatably mounted, and a second ferrule, called a rotating ferrule, in the form of a split ring, arranged at the first end of the handle at the level of the axis of rotation of the blade, concentrically with the fixed ferrule, and capable of rotating on itself along the longitudinal axis of the handle. ### Claim 8 (depends on 1) The knife according to claim 1, further comprising a storage recess in which a corkscrew is arranged. ### Claim 9 (depends on 1) A use of a knife according to claim 1 for the cap lifting of a bottle.