# US 10,245,739 B2 · Shaver > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,739 B2 - Document ID: US10245739B2 - Status: Granted - Kind: B2 - Application number: 15/867,996 - Filed: 2018-01-11 - Published: 2018-07-12 - Granted: 2019-04-02 - Earliest claimed: 2006-06-29 - Assignees: Dorco Co., Ltd. - Applicants: Dorco Co., Ltd. - Inventors: Young Ho Park; Byung Sun An - Web page: https://patentgrep.com/patent/US10245739B2 ## CPC - B26B 21/225: {the changeable unit being resiliently mounted on the handle} - B26B 21/4012: {Housing details, e.g. for cartridges} - B26B 21/4068: {Mounting devices; Manufacture of razors or cartridges (B26B21/528 takes precedence)} - B26B 21/521: {Connection details, e.g. connection to razor heads} - 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) ## Abstract Provided is a shaver including a cartridge and a handle body. The cartridge includes a cartridge body formed in a rectangular frame shape; a plurality of blades installed in the cartridge body in the side-to-side direction of the cartridge body, each of the blades having a front portion bent downward; a pair of side fixation slots formed on left and right frames of the cartridge body, respectively, so as to fix the left and right ends of each blade; a supporter connecting upper and lower frames of the cartridge body; and an inside fixation slot formed on the supporter so as to fix a portion of each blade. The handle body is coupled to the cartridge body. ## Claims ### Claim 1 A shaver comprising: a cartridge including: a cartridge body; a plurality of blades installed in the cartridge body along an elongated direction of the cartridge body, wherein a rear portion of each of the blades is generally straight; a plurality of pairs of side fixation slots, each pair of the side fixation slots formed on left and right frame portions of the cartridge body, respectively, so as to fix left and right lateral ends of each corresponding blade; a supporter provided at a center area between the left and right frame portions of the cartridge body and connecting upper and lower frame portions of the cartridge body, wherein the supporter has a rear surface; a plurality of inside fixation slots, each formed on the supporter provided at the center area so as to fix the rear portion of each corresponding blade; and a hinge portion formed on either end of the lower frame portion of the cartridge body, the hinge portion having a hinge groove; and a handle body coupled to the cartridge body, the handle body including: a hinge protrusion being coupled to the hinge groove; and an elastic portion projecting from an upper portion of the handle body, the elastic portion contacted with the rear surface of the supporter so that a swing operation of the cartridge body via the hinge protrusion being coupled to the hinge groove is elastically performed by an elastic force of the elastic portion, wherein the hinge protrusion extends outwardly in a lateral direction. ### Claim 2 (depends on 1) The shaver according to claim 1, wherein each of the blades has a bent front portion. ### Claim 3 (depends on 2) The shaver according to claim 2, wherein a distance between the bent front portions of the blades is set to be smaller than a distance between the rear portions of the blades. ### Claim 4 (depends on 2) The shaver according to claim 2, wherein each of the inside fixation slots has an inclined surface configured to support the bent front portion of each corresponding blade. ### Claim 5 A shaver comprising: a cartridge including: a cartridge body; a plurality of blades installed in the cartridge body along an elongated direction of the cartridge body wherein a rear portion of each of the blades is generally straight; a plurality of pairs of side fixation slots, each pair of the side fixation slots formed on left and right frame portions of the cartridge body, respectively, so as to fix left and right lateral ends of each corresponding blade; a supporter provided at a center area between the left and right frame portions of the cartridge body and connecting upper and lower frame portions of the cartridge body, wherein a rear surface of the supporter is convexly curved; a plurality of inside fixation slots, each formed on the supporter provided at the center area so as to fix the rear portion of each corresponding blade; and a hinge portion formed on either end of the lower frame portion of the cartridge body, the hinge portion having a hinge groove; and a handle body coupled to the cartridge body, the handle body including a hinge protrusion being coupled to the hinge groove and an elastic portion projecting from an upper portion of the handle body, the elastic portion contacted with the rear surface of the supporter so that a swing operation of the cartridge body via the hinge protrusion being coupled to the hinge groove is elastically performed by an elastic force of the elastic portion. ### Claim 6 (depends on 5) The shaver according to claim 5, wherein each of the blades has a bent front portion. ### Claim 7 (depends on 6) The shaver according to claim 6, wherein a distance between the bent front portions of the blades is set to be smaller than a distance between the rear portions of the blades. ### Claim 8 (depends on 6) The shaver according to claim 6, wherein each of the inside fixation slots has an inclined surface configured to support the bent front portion of each corresponding blade. ### Claim 9 A shaver comprising: a cartridge including: a cartridge body; a plurality of blades installed in the cartridge body along an elongated direction of the cartridge body; a plurality of pairs of side fixation slots, each pair of the side fixation slots formed on left and right frame portions of the cartridge body, respectively, so as to fix left and right lateral ends of each corresponding blade; a supporter provided at a center area between the left and right frame portions of the cartridge body and connecting upper and lower frame portions of the cartridge body, wherein the supporter has a rear surface; a plurality of inside fixation slots, each formed on the supporter provided at the center area so as to fix a rear portion of each corresponding blade; and a hinge portion formed on either end of the lower frame portion of the cartridge body, the hinge portion having a hinge groove; and a handle body coupled to the cartridge body, the handle body including a hinge protrusion being coupled to the hinge groove and an elastic portion projecting from an upper portion of the handle body, the elastic portion contacted with the rear surface of the supporter so that a swing operation of the cartridge body via the hinge protrusion being coupled to the hinge groove is elastically performed by an elastic force of the elastic portion. ### Claim 10 (depends on 9) The shaver according to claim 9, wherein each of the blades has a bent front portion. ### Claim 11 (depends on 10) The shaver according to claim 10, wherein a distance between the bent front portions of the blades is set to be smaller than a distance between the rear portions of the blades. ### Claim 12 (depends on 10) The shaver according to claim 10, wherein each of the inside fixation slots has an inclined surface configured to support the bent front portion of each corresponding blade. ### Claim 13 A shaver comprising: a cartridge body; a plurality of blades installed in the cartridge body along an elongated direction of the cartridge body, wherein each of the blades has a bent front portion; a plurality of pairs of side fixation slots, each pair of side fixation slots formed on left and right frame portions of the cartridge body, respectively, so as to fix left and right lateral ends of each corresponding blade; a supporter provided at a center area between the left and right frame portions of the cartridge body and connecting upper and lower frame portions of the cartridge body; a plurality of inside fixation slots each formed on the supporter provided at the center area so as to fix a rear portion of each corresponding blade; and a handle body coupled to the cartridge body, wherein a distance between the bent front portions of the blades is set to be smaller than a distance between the rear portions of the blades. ### Claim 14 (depends on 13) The shaver according to claim 13, wherein the rear portion of each blade is generally straight. ### Claim 15 (depends on 14) The shaver according to claim 14, wherein the bent front portion and the rear portion of each blade are integrally formed such that each blade is a unitary blade. ### Claim 16 A shaver comprising: a cartridge body; a plurality of blades installed in the cartridge body along an elongated direction of the cartridge body, wherein each of the blades has a bent front portion; a plurality of pairs of side fixation slots, each pair of side fixation slots formed on left and right frame portions of the cartridge body, respectively, so as to fix left and right lateral ends of each corresponding blade; a supporter provided at a center area between the left and right frame portions of the cartridge body and connecting upper and lower frame portions of the cartridge body; a plurality of inside fixation slots each formed on the supporter provided at the center area so as to fix a rear portion of each corresponding blade; and a handle body coupled to the cartridge body, wherein each of the inside fixation slots has an inclined surface configured to support the bent front portion of each corresponding blade. ### Claim 17 (depends on 16) The shaver according to claim 16, wherein the rear portion of each blade is generally straight. ### Claim 18 (depends on 17) The shaver according to claim 17, wherein the bent front portion and the rear portion of each blade are integrally formed such that each blade is a unitary blade.