Multiple Blade Patents (Class 30/50)
  • Patent number: 11766795
    Abstract: A razor handle. The razor handle include a main body and a pivoting head pivotally coupled with the main body about a pivot axis. The pivoting head can have a substantially trapezoidal prism shape and can include a base member and a cover member that overlies the base member in a mating relationship and can have an internal compartment. The cover member can have a skin interfacing face.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 26, 2023
    Assignee: The Gillette Company LLC
    Inventors: Eric Glenn Siegmann, Steven Michael Bourque, Thomas Alva Baer, Jin Kyung Kim, Regan Marie Fiascone
  • Patent number: 11752649
    Abstract: Disclosed here are shaving razor systems and methods including razor cartridges with a unitary frame having a length and width, a topside and an underside, wherein the unitary frame includes angled joints or bends connecting at least three guards running lengthwise on the unitary frame, the guards separated by at least three gaps in the frame, and at least three blades, affixed to the underside of the guards of the unitary frame, wherein the at least three blades include edges, and wherein the blade edges extend into the gaps in the frame when affixed to the underside of the guards of the unitary frame.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: September 12, 2023
    Assignee: Dollar Shave Club, Inc.
    Inventor: Gideon Hooberman
  • Patent number: 11648698
    Abstract: A shaving razor cartridge having a housing with a primary guard and a secondary cap. A bridge member is integrally molded as part of the housing. A plurality of spaced apart parallel ribs of the bridge member extend transverse to the cutting edge of the first blade. The plurality of spaced part ribs define a primary cap surface and a secondary guard surface. A first blade mounted to the housing between the primary guard and the primary cap surface. A second blade having a cutting edge extends in a same direction as the cutting edge of the first blade and is mounted to the housing between the secondary guard surface and the secondary cap. The plurality of spaced apart parallel ribs define a plurality of rinse openings extending thru the bridge member.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: May 16, 2023
    Assignee: The Gillette Company LLC
    Inventor: Vincent Paul Walker, Jr.
  • Patent number: 11648697
    Abstract: A shaving razor cartridge with a housing having a blade platform. A first blade retention member is positioned on the blade platform and has a front wall formed by a first wall and a second wall that define an obtuse included angle. A second blade retention member is positioned on the blade platform and has a rear wall facing the front wall of the first blade retention member. The rear wall has a first wall and a second wall that define an obtuse included angle. A blade member is positioned between the front wall and the rear wall. The second walls have a contact length of about 0.2 mm to about 1.0 mm.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 16, 2023
    Assignee: The Gillette Company LLC
    Inventor: Matthew Michael Long
  • Patent number: 11613036
    Abstract: A razor assembly includes a razor cartridge including at least one shaving blade and a blade housing configured to receive the at least one shaving blade such that the at least one shaving blade extends in a first direction corresponding to a width direction of the razor cartridge. The razor assembly includes a cartridge connector coupled to the razor cartridge such that the razor cartridge is rotatable with respect to the cartridge connector about a rotational axis parallel to the first direction, the cartridge connector including at least two first cantilevers and at least one second cantilever. The razor assembly includes a razor handle coupled to the cartridge connector. The razor cartridge is configured such that when the razor cartridge rotates with respect to the cartridge connector, the two first cantilevers contact one side of the razor cartridge, and the second cantilever does not contact the razor cartridge.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: March 28, 2023
    Assignee: DORCO CO., LTD.
    Inventors: Jae Joon Lee, Sung Hee Son, Shin Hwan Park, Sang Hun Park
  • Patent number: 11602867
    Abstract: Replaceable shaving assemblies are disclosed that include a razor cartridge comprising: an elongated housing defining a central open area, and, adjacent each short edge of the housing, a clip-receiving aperture and a clip-receiving channel; a plurality of blades disposed within the open area of the housing, and a pair of clips, each clip having a first leg and a second leg, the first leg extending through the clip-receiving aperture and being bent against a lower surface of the housing, and the second leg being wrapped around the housing and seated in the clip-receiving channel. Shaving systems including such shaving assemblies are also disclosed, as are methods of using such shaving systems and methods of manufacturing these cartridges.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: March 14, 2023
    Assignee: DORCO CO., LTD.
    Inventors: John W. Griffin, Craig A. Provost, William E. Tucker, Douglas R. Kohring
  • Patent number: 11577416
    Abstract: A razor is provided, including a handle to be gripped by a user, a power generation unit disposed in the handle and configured to provide rotational power, a drive transmission unit coupled to the power generation unit and configured to be rotated by the rotational power, a cartridge including a blade housing on which one or more blades are seated, and a drive receiving unit formed at one side of the cartridge and configured to be in contact with the drive transmission unit to cause the blade housing to perform a linear movement in response to rotation of the drive transmission unit, wherein the cartridge is coupled to the handle such that the cartridge is pivotable about a pivot axis perpendicular to a rotational axis of the power generation unit, and wherein the pivot axis intersects the drive transmission unit.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: February 14, 2023
    Assignee: DORCO CO., LTD.
    Inventors: Young Ho Park, Jae Joon Lee, Sung Hee Son, Shin Hwan Park
  • Patent number: 11559912
    Abstract: A shaving blade assembly and a method of using a shaving blade assembly may include a blade, a resilient element, and a first moveable member. The resilient element may support the blade and be arranged to urge the blade in a first direction orthogonal to a cutting edge of the blade. The first movable member may abut the blade in a second direction opposite to the first direction and be held in at least one position.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 24, 2023
    Assignee: BIC Violex Single Member S.A.
    Inventors: Efthimios Saltas, Dionysios Athanassiou, Panagiotis Moustakas, Christoforos Athanassios Brellis
  • Patent number: 11559911
    Abstract: A shaving cartridge includes a housing having a top surface, a bottom surface, a front edge, a rear edge, and a pair of side edges extending between the front edge and the rear edge. The housing includes at least one blade having a cutting edge and being disposed between the front edge and the rear edge, and a pair of retainers each having a top portion, a bottom portion, and a portion connecting the top portion to the bottom portion. The retainers extend along the pair of side edges between the front edge of the housing and the rear edge of the housing.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: January 24, 2023
    Assignee: BIC-VIOLEX SA
    Inventors: Ioannis Bozikis, Spiros Gratsias, Christoforos-Athanassios Brellis
  • Patent number: 11524418
    Abstract: A shaving blade assembly and a method of using a shaving blade assembly may include a blade, a first resilient element, and a first movable member. The first resilient element may support the blade and be arranged to urge the blade in a first direction substantially orthogonal to a cutting edge of the blade. The first movable member may selectively engage the first resilient element, in the first direction in at least one position, to impede deformation of the first resilient element.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 13, 2022
    Assignee: BIC Violex Single Member S.A.
    Inventors: Dionysios Athanassiou, Panagiotis Moustakas
  • Patent number: 11504864
    Abstract: A hair clipper or cutter is provided with an adjustment slider that adjusts the gap between an inner and outer blade. A yoke is attached to the inner blade. The adjustment slider may be configured with preset gap lengths and may be adjustable before, after, or during a hair cutting operation. A T-guide couples the adjustment slider to the inner blade to slidably move the inner blade relative to the outer blade. The yoke, inner blade, outer blade and/or T-guide may be magnetized to create an attractive or repulsive force between the inner blade and the outer blade.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: November 22, 2022
    Assignee: Andis Company
    Inventors: Edwin Alen Werner, Richard J. Tringali, Ervin Titzkowski, Joseph Novak, Jeffrey D. Gross
  • Patent number: 11491668
    Abstract: A protector for a razor cartridge is provided. The protector includes a housing extending longitudinally along a longitudinal axis and having a front face and a rear face. The protector further is provided with a first comb disposed on the front face and a second comb opposite the first comb. The protector also includes a first trimming blade has a first cutting edge and a second trimming blade opposite the first trimming blade has a second cutting edge. The first comb and the second comb have several teeth projecting along an axis that is oblique to the longitudinal axis defining a trimming length. The trimming length is adjustable. The teeth of the first comb protrude forwardly with respect to the first cutting edge and the teeth of the second comb protrude forwardly with respect to the second cutting edge.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: November 8, 2022
    Assignee: BIC-VIOLEX SA
    Inventors: Ioannis-Marios Psimadas, Efstratios Christofidellis, Andreas Vasiliadis, Panagiotis Giannopoulos
  • Patent number: 11413775
    Abstract: In one aspect, the invention features, in general, a method of assembling a shaving razor cartridge by providing a housing having a primary guard and a secondary cap. A first blade having a cutting edge is mounted to the housing. A second blade having a cutting edge is mounted to the housing. A bridge member having a pair of spaced apart legs is mounted to the housing immediately between the first blade and the second blade. The first blade, the second blade and the bridge member are secured to the housing with at least one clip.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 16, 2022
    Assignee: The Gillette Company LLC
    Inventors: Vincent Paul Walker, Jr., Nicholas Robert Harrington, Alejandro Carlos Lee
  • Patent number: 11383397
    Abstract: A razor assembly includes a razor cartridge, a connector and a recovering force provider. The razor cartridge includes at least one shaving blade having a cutting edge, and a blade housing configured to receive the at least one shaving blade in a transverse direction. The connector is configured to extend in parallel with the transverse direction, and to be coupled to the blade housing so as to be pivotable around a pivot axis movable between a first rest position and a first position spaced apart from the first rest position in a first shaving direction. The recovering force provider includes a first recovering member configured to provide the connector with a recovering force for recovering the pivot axis to the first rest position when the pivot axis is located between the first rest position and the first position.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: July 12, 2022
    Assignee: DORCO CO., LTD.
    Inventors: Young Ho Park, Jae Joon Lee, Sung Hee Son, Shin Hwan Park
  • Patent number: 11312035
    Abstract: Provided are a cutting device and method. A blade receiving portion crossing a cord-embedded rubber sheet member is disposed in one surface side in a thickness direction of the rubber sheet member placed in a conveying mechanism. A cutting blade disposed in the other surface side is held by a holder that rotates about a turning shaft extending in the thickness direction of the rubber sheet member. In a state where a cutting-edge advancement direction turns about the turning shaft, a turning restoring force that restores the cutting-edge advancement direction to a preset moving direction is constantly applied by a turning restoring mechanism to the holder before cutting the rubber sheet member. The rubber sheet member is sandwiched in the thickness direction by the cutting blade and the blade receiving portion, and the cutting blade is moved in the extension direction of cords to cut between the cords.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: April 26, 2022
    Inventors: Yuta Takanashi, Mitsuhisa Kawaguchi, Kazushige Yasuda, Daisen Hayashi
  • Patent number: 11298844
    Abstract: Aspects of the present disclosure relates to a multifunctional shaving razor that is a combination of different kind of razor blade holders, trimmer and dry shaving gel/after-shave lotion for providing a single device with all necessary grooming stuff and is easy to handle and cost efficient. The proposed multifunctional shaving razor 100 consists of triangular detachable blade holder adaptor 200, trimmer assembly 600 and shaving gel dispensing system 400 for providing multi-functionality of shaving, grooming and trimming in a single device. The proposed multifunctional shaving razor 100 can be used universally as it provides a complete solution of all shaving and grooming needs in a single device that is compact to carry from one place to another.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: April 12, 2022
    Inventors: Samar Anjum, Navniit Ssharma, Sanandan Sudhir
  • Patent number: 11285628
    Abstract: A safety razor has a handle with an extension having a pair of depressions to each receive a respective one of two detents of a razor cartridge and which extension provides cartridge support structure that engages a recess of the razor cartridge. The razor cartridge has a blade unit and a connector. The recess of the razor cartridge is in part defined by opposed walls of the connector providing a floor and a ceiling and the two detents are on the floor and extend into the recess. The floor has a slot between the two detents and the slot is sized such that deflection of any one detent on its respective floor portion is substantially independent of deflection of the other detent on its respective floor portion.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: March 29, 2022
    Assignee: EDGEWELL PERSONAL CARE BRANDS, LLC
    Inventors: Jay Bunnell, David Evarts, Zuky Zhang
  • Patent number: 11273564
    Abstract: A razor assembly includes a guide housing; a drive receiving member disposed on one side of the guide housing and movable in a first direction with respect to the guide housing; a blade housing disposed on another side of the guide housing; at least one shaving blade disposed at the blade housing; a razor handle extending from the guide housing; and a drive transmission member configured to transmit a driving force to the drive receiving member. The blade housing is configured to be moved with respect to the guide housing in a second direction that is not parallel to the first direction in response to movement of the drive receiving member in the first direction. The drive receiving member is further configured to be moved in the first direction with respect to the guide housing by the driving force transmitted from the drive transmission member.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: March 15, 2022
    Assignee: DORCO CO., LTD.
    Inventors: Young Ho Park, Jae Joon Lee, Sung Hee Son, Shin Hwan Park, Sang Hun Park
  • Patent number: 11254023
    Abstract: A linkage for reciprocating razor. The linkage with flexible regions between the blade assembly attachment points. The linkages permitting reciprocating motion of the blade assemblies where adjacent assemblies reciprocate in opposite directions. Other embodiments are also described and claimed.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: February 22, 2022
    Inventor: Leon Coresh
  • Patent number: 11154998
    Abstract: One embodiment of a dual sided razor comprises a handle and a cartridge attached to the handle, the cartridge further comprising a first shaving side and a second shaving side, the cartridge being switchable relative to the handle between the first and second shaving sides.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 26, 2021
    Assignee: Mack-Ray Inc.
    Inventor: Raymond A. Liberatore
  • Patent number: 11130248
    Abstract: Replaceable shaving assemblies are disclosed that include a blade unit, an interface element configured to removeably connect the blade unit to a handle, on which the blade unit is pivotably mounted, and a return element disposed between the blade unit and interface element. The return element provides resistance during shaving and positions the blade unit in a rest position when not in use.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 28, 2021
    Assignee: SHAVELOGIC, INC.
    Inventors: William E. Tucker, Craig A. Provost, John W. Griffin, Aaron G. Cantrell, Douglas R. Kohring
  • Patent number: 11117280
    Abstract: Disclosed here are shaving razor systems and methods including razor cartridges with a unitary frame having a length and width, a topside and an underside, wherein the unitary frame includes angled joints or bends connecting at least three guards running lengthwise on the unitary frame, the guards separated by at least three gaps in the frame, and at least three blades, affixed to the underside of the guards of the unitary frame, wherein the at least three blades include edges, and wherein the blade edges extend into the gaps in the frame when affixed to the underside of the guards of the unitary frame.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: September 14, 2021
    Assignee: Personal Care Marketing & Research, Inc.
    Inventor: Shlomo Zucker
  • Patent number: 11014255
    Abstract: A shaving device comprising a head assembly including a support member having at least one support member magnet and a blade cartridge having at least one face with at least one razor blade and configured to be rotatably coupled to the support member about a pivot axis. The blade cartridge includes at least one blade cartridge magnet having a pole aligned with a pole of the support member magnet to generate a magnetic force that urges the blade cartridge about the pivot axis towards an initial starting position (ISP), wherein the blade cartridge is further configured to rotate about the pivot axis away from the ISP upon application of an external force sufficient to overcome the magnetic force between the support member magnet and the blade cartridge magnet.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: May 25, 2021
    Inventor: Ruairidh Robertson
  • Patent number: 10926426
    Abstract: A shaving razor having a head and a first handle to provide a first use configuration with the first handle operable to be rotatably secured to a second handle to provide a second use configuration of the shaving razor with an articulating head.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: February 23, 2021
    Assignee: BIC-VIOLEX SA
    Inventors: Ioannis-Marios Psimadas, Eric-Thierry Loiseau
  • Patent number: 10870212
    Abstract: The present disclosure describes a blade unit (10) for a safety razor (8). The blade unit comprises a blade housing (12), a plurality of blades (18) disposed within the blade housing (12) to expose respective cutting edges (20) suitable for shaving, and a blade carrier supporting the plurality of blades (18). The blade housing (12) has a base on which the blade carrier is supported. The plurality of blades (18) and the blade carrier being displaceable downwards towards the base of the blade housing (12) during shaving, wherein an amount of downward displacement of the plurality of blades (18) and the blade carrier is limited by one or more protrusions extending upwards from the base of the blade housing (12).
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: December 22, 2020
    Assignee: BEIERSDORF AG
    Inventors: Jens Treu, Michael Lessmann, Kesen Zeng, Yvonne Neumann, Ralf Hagens, Philip Drescher
  • Patent number: 10864646
    Abstract: A shaving razor cartridge includes a housing and at least one razor blade. The housing extends between a front end and a rear end. The housing includes a blade support portion and a handle interface portion. The blade support portion is positioned between the front end and the rear end and includes a cap and a guard. The guard is spaced from the cap and cooperates with the cap to define a shaving plane. The handle interface portion is positioned between the front end and the rear end and includes a rear wall, a front wall, a first sidewall, and a second sidewall. The rear wall includes a lower surface and an interior surface. The front wall includes a lower surface and an interior surface and is spaced from the rear wall. The at least one razor blade is disposed in the blade support portion.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 15, 2020
    Assignee: The Gillette Company LLC
    Inventors: Matthew Michael Long, Ashok Bakul Patel, Michael Hal Bruno
  • Patent number: 10807258
    Abstract: Disclosed is a blade unit for a safety razor, comprising a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, and the cap including a convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. A skin-contacting surface of the convex lubricating pad is greater than a skin-contacting surface of the elongate lubricating strip, the convex lubricating pad and the elongate lubricating strip together extend along at least 60% of an outer perimeter of the blade unit, and the convex lubricating pad extends along at least 30% of the outer perimeter of the blade unit.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: October 20, 2020
    Assignee: BEIERSDORF AG
    Inventors: Michael Lessmann, Jens Treu, Kesen Zeng, Yvonne Neumann, Hiroyuki Nakasuka, Ralf Hagens, Philip Drescher
  • Patent number: 10800056
    Abstract: A razor cartridge according to embodiments of the present disclosure includes a plurality of shaving blades, a blade housing including a blade seating space configured to receive the plurality of shaving blades in a second direction perpendicular to a first direction, and a pair of retainer clips configured to secure the plurality of shaving blades in the blade seating space, each retainer clip mounted at a corresponding side of the blade housing, wherein the pair of retainer clips are symmetrically shaped to each other, and wherein each of the pair of retainer clips includes a base portion positioned at a corresponding blade seating space, a first holding leg extending from the base portion in the first direction and wrapped around the blade housing, and a second holding leg extending from the base portion in the second direction and wrapped around the blade housing.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: October 13, 2020
    Assignee: DORCO CO., LTD.
    Inventors: Bo Ra Kim, Da Woon Han
  • Patent number: 10780595
    Abstract: A matrix beard-trimmings guiding razor head includes a blade holder (1) and two or more blade assemblies (2) disposed on the blade holder (1) and arranged parallel to one another. Each blade assembly (2) has two or more layers of blades arranged in parallel. An assembly interval is arranged between two adjacent blade assemblies (2), and the assembly interval has a width of 0.2˜5 mm. A layer interval is arranged between two adjacent layers of blades in each group of blade, and the layer interval has a width of 0.15˜1.5 mm.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: September 22, 2020
    Assignee: NINGBO KAILI HOLDING GROUP CO., LTD
    Inventors: Jian Lin, Xiamin Hu, Zongyue Chen
  • Patent number: 10773402
    Abstract: A shaving cartridge with a housing, having a primary guard at a front of the housing and a secondary cap at a rear of the housing. A bridge member having a primary cap surface and a secondary guard surface is positioned between the primary guard and the secondary cap. A first blade has a cutting edge. The first blade is mounted to the housing between the primary guard and the primary cap surface. A second blade having a cutting edge extending in the same direction as the cutting edge of the first blade is mounted to the housing between the secondary guard surface and the secondary cap. A width of the bridge member is greater than 50% of an interblade span between the cutting edge of the first blade and the cutting edge of the second blade and the interblade span is greater than 3 mm.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: September 15, 2020
    Assignee: The Gillette Company
    Inventors: Vincent Paul Walker, Jr., Nicholas Robert Harrington, Andrew John Gardiner, Alejandro Carlos Lee
  • Patent number: 10773407
    Abstract: A shaving razor cartridge includes a housing and at least one razor blade. The housing extends between a front and rear end and defines an overall width. The housing includes a blade support portion and a housing portion. The blade support portion is positioned between the front and rear ends and includes a cap and a guard spaced from the cap. The handle interface portion is positioned between the front and rear ends and includes a front and rear wall. The front wall includes lower and interior surfaces. The rear wall includes a lower surface, a central portion, a first distal portion, and a second distal portion. The central, first distal and second portions each include respective interior surfaces. The at least one razor blade is disposed in the blade support portion. Each of the first distal portion and the second distal portion extends from the central portion.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 15, 2020
    Assignee: The Gillette Company LLC
    Inventors: Jack Anthony Washington, Matthew Michael Long, Zachary Oliver Veugen, Ashok Bakul Patel, Michael Hal Bruno
  • Patent number: 10773403
    Abstract: A shaving razor handle with an elongated gripping portion at a first end. A cartridge interconnector at a second end of the elongated gripping portion has a platform with an upper surface and an opposing lower surface that defines an included angle of about 35 degrees to about 60 degrees. A distal end of the cartridge interconnector extends from the platform. The distal end has a skin facing surface with a pair of side walls connected by a pair of curved lateral end walls.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 15, 2020
    Assignee: The Gillette Company LLC
    Inventors: Jack Anthony Washington, Matthew Michael Long, Robert Harold Johnson, Steven Michael Bourque
  • Patent number: 10639806
    Abstract: A plurality of retainers operable to secure a plurality of blades within a housing of a shaving blade unit. The plurality of retainers extending along a pair of side edges of the housing, between a front edge of the housing and a rear edge of the housing.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: May 5, 2020
    Assignee: BIC-VIOLEX SA
    Inventors: Ioannis Bozikis, Spiros Gratsias, Christoforos-Athanasios Brellis, Panagiotis Moustakas
  • Patent number: 10549436
    Abstract: A shaving blade assembly including a blade unit and a skin contact member. A razor including a razor handle and such a shaving blade assembly. The blade unit includes at least one shaving blade having a cutting edge. The blade unit has a blade unit skin contact surface area, where the blade unit and the skin contact member have a shaving blade assembly skin contact surface area. The ratio between the shaving blade assembly skin contact surface area and the blade unit skin contact surface area is between approximately 2 and 3.1. The skin contact member can include a leading planar surface and a trailing planar surface defining a contact plane, and the contact plane and the shaving plane are parallel and the distance between the contact plane and the shaving plane is between approximately 0.2 mm and 0.6 mm.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: February 4, 2020
    Assignee: BIC-VIOLEX SA
    Inventor: Ioannis Bozikis
  • Patent number: 10500744
    Abstract: A safety razor for shaving hair on skin has a substrate structure and a plurality of blade groups arranged in parallel rows on a front surface of the substrate structure, each of the blade groups spaced a distance therebetween. Each blade group has a sharp blade having a leading side and a trailing side for shaving the hair, an outer comb next to and parallel to the leading side of the sharp blade, and an inner guard next to and parallel to the trailing side of the sharp blade. A suppleness distance between the outer comb and the inner guard of each of the blade groups can be narrower than the distance spaced between each of the blade groups.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 10, 2019
    Assignee: Dryfhout Properties, LLC
    Inventor: Matthew James Dryfhout
  • Patent number: 10493643
    Abstract: A safety razor shaves back hair. A substrate structure at a blade end of an elongated back shaver handle opposite a grip end end holds both a blade group and a support. The blade group has a sharp blade and a guard parallel thereto. The support can be either a blunt protrusion or another blade group. The blade group and the support are spaced a tactile leverage feedback distance sufficiently wide enough to provide leverage feedback felt through the elongated back shaver handle for the user to maintain a consistent angle of the sharp blade relative to the skin surface when an arm of the user reaches the elongated back shaver handle to the user's backside during shaving movement over a shoulder blade peak or a spine depression.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 3, 2019
    Assignee: Dryfhout Properties, LLC
    Inventor: Matthew James Dryfhout
  • Patent number: 10442096
    Abstract: A method of manufacturing a razor head component that includes the steps of providing a strip of material elongated along a first direction (X), the strip having first and second rounded extremities parallel with the first direction (X). The strip includes a first portion having a first extremity, a second portion having a second extremity, and an intermediate portion intermediate the first and second portions, bending the intermediate portion of at least a part of the strip about a bending axis, and fixing a razor blade onto the second portion of the part.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: October 15, 2019
    Assignee: BIC VIOLEX S.A.
    Inventors: George Kemos, Dimitris Pissimissis
  • Patent number: 10431915
    Abstract: An electronic subassembly for a personal care product with a housing defining a chamber. The housing has a tapered guide surface. A first circuit board having a rigid end is positioned within the chamber and a flexible portion positioned outside the chamber. A second circuit board is positioned within the chamber of the housing. The second circuit board has an electrical connector dimensioned to receive the rigid end. An adapter is secured to the first circuit board between the rigid end and the flexible portion. The adapter has a corresponding tapered guide surface that engages the tapered guide surface of the housing to align the rigid end with the electrical connector.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: October 1, 2019
    Assignee: The Gillette Company LLC
    Inventors: Norbert Broemse, Klaus Heubach, Juergen Behrendt
  • Patent number: 10421204
    Abstract: Replaceable shaving assemblies are disclosed that include a razor cartridge comprising: an elongated housing defining a central open area, and, adjacent each short edge of the housing, a clip-receiving aperture and a clip-receiving channel; a plurality of blades disposed within the open area of the housing, and a pair of clips, each clip having a first leg and a second leg, the first leg extending through the clip-receiving aperture and being bent against a lower surface of the housing, and the second leg being wrapped around the housing and seated in the clip-receiving channel. Shaving systems including such shaving assemblies are also disclosed, as are methods of using such shaving systems and methods of manufacturing these cartridges.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: September 24, 2019
    Assignee: DORCO CO., LTD.
    Inventors: John W. Griffin, Craig A. Provost, William E. Tucker, Douglas R. Kohring
  • Patent number: 10406705
    Abstract: One embodiment of a dual sided razor comprises a handle and a cartridge attached to the handle, the cartridge further comprising a first shaving side and a second shaving side, the cartridge being switchable relative to the handle between the first and second shaving sides.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: September 10, 2019
    Assignee: Mack-Ray Inc.
    Inventor: Raymond A. Liberatore
  • Patent number: 10369711
    Abstract: A shaving razor cartridge with a housing with a guard and a cap. At least one blade is mounted to the housing. The at least one blade has a cutting edge. At least one blade registration member is mounted to the housing. A blade retention member secures the at least one blade between the blade registration member and the blade retention member. The blade registration member has an unsupported region with a span of 0.25 mm to 5 mm between a pair of supported regions.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: August 6, 2019
    Assignee: The Gillette Company LLC
    Inventors: Jack Anthony Washington, William Owen Jolley
  • Patent number: 10369714
    Abstract: An integral razor blade which is thin and has improved strength by shaping a geometrical structure of the razor blade and a razor cartridge using the same. The razor blade includes a base portion, a bent portion extending in a bent manner from one end of the base portion, and an edge portion extending from one end of the bent portion, a cutting edge being formed at one end of the edge portion. A first separation distance X between a straight line extending in a longitudinal direction from a front surface of the base portion and an end point of the cutting edge ranges from 0.3 mm to 1.0 mm.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: August 6, 2019
    Assignee: DORCO Co., Ltd.
    Inventors: Ho Jun Noh, Jun soo Chang
  • Patent number: 10357891
    Abstract: A reduced cost interconnection for shaving razor cartridges. A base member is injection molded as a single continuous mass. The base member defines at least one void that may receive a mass increasing member. The base member has a handle portion integrally formed with a living hinge and an interconnection feature. The interconnection feature is biased to detachably engage a counterpart interconnection feature of a blade cartridge. Elastomeric reinforcement in over molded onto the base member to improve the structural integrity of the living hinge.
    Type: Grant
    Filed: March 5, 2017
    Date of Patent: July 23, 2019
    Assignee: Rolling Razor, Inc
    Inventor: Alon Leon Coresh
  • Patent number: 10350774
    Abstract: Shaving systems are disclosed that include a replaceable shaving assembly and a cartridge connecting structure for connecting the shaving assembly to a handle. In preferred implementations, the cartridge connecting structure has a magnetic portion configured to help draw the cartridge onto the handle and retain the cartridge in place when the razor is not in contact with the skin, and a mechanical engagement that provides the necessary retention forces required to keep the system intact during shaving.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: July 16, 2019
    Assignee: SHAVELOGIC, INC.
    Inventors: Robert A. Wilson, Craig A. Provost, John W. Griffin
  • Patent number: 10335968
    Abstract: A razor head includes a head frame, a razor blade, an independent trimming unit and a lubricating strip. The head frame has a front frame wall, a rear frame wall and a side frame wall. The razor blade is arranged between the front frame wall and the rear frame wall, and assembled on the side frame wall. The trimming unit is assembled on the side frame wall, with a receiving groove being defined by the trimming unit and the rear frame wall. The lubricating strip is inserted into the receiving groove, and clamped by the trimming unit and the rear frame wall. By this token, the trimming unit not only has trimming function, but also has holding function for fixing the lubricating strip, accordingly, the manufacturing process is simplified, the manufacturing materials and manufacturing cost are reduced.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 2, 2019
    Assignee: XIANGRONG REN
    Inventor: Xiangrong Ren
  • Patent number: 10307923
    Abstract: A shaving blade cartridge and shaver having a shaving blade cartridge including a housing extending longitudinally along a longitudinal axis is provided. The housing includes a top side and a bottom side and front and rear longitudinal sides. Each front and rear longitudinal side extend longitudinally along the longitudinal axis between the top and bottom sides. A primary cutting element is mounted on the housing between the front and rear longitudinal sides. The primary cutting element includes a cutting edge facing forwardly toward the front longitudinal side. A primary cover is located rearward of the primary cutting element, a primary guard is located forward of the primary cutting element, and a trimming element including a trimming edge is mounted on the housing. The trimming element is located forward of the primary cutting element, and the trimming edge faces toward a direction opposite the front longitudinal side.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: June 4, 2019
    Assignee: BIC VIOLEX SA
    Inventors: Ioannis-Marios Psimadas, Efthymios Saltas, Ioannis Bozikis
  • Patent number: 10245739
    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.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: April 2, 2019
    Assignee: DORCO CO., LTD.
    Inventors: Young Ho Park, Byung Sun An
  • Patent number: 10220533
    Abstract: An integrally formed rigid razor blade made of martensitic stainless steel includes a cutting edge portion, a base portion, and a bent portion. The cutting edge portion extends along a cutting edge portion axis and has a cutting edge at one end. The base portion extends along a base portion axis. The bent portion is intermediate the cutting edge portion and the base portion. The blade has a concave face and an opposed convex face. An average radius of curvature of the concave face of the bent portion is between 0.5 millimeters to 0.57 millimeters.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 5, 2019
    Assignee: BIC VIOLEX SA
    Inventors: Vasileios Davos, Vassilis Papachristos, Dimitrios Efthimiadis, Panagiotis Zafiropoulos, Nikolaos Skounakis, Ioannis Komianos, Michalis Karoussis, Anastasios Papageorgiou
  • Patent number: 10220532
    Abstract: An integrally formed rigid razor blade made of martensitic stainless steel includes a cutting edge portion, a base portion, and a bent portion. The cutting edge portion extends along a cutting edge portion axis and has a cutting edge at one end. The base portion extends along a base portion axis. The bent portion is intermediate the cutting edge portion and the base portion. The blade has a concave face and an opposed convex face. An average radius of curvature of the concave face of the bent portion is between 0.5 millimeters and 1 millimeters.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: March 5, 2019
    Assignee: BIC VIOLEX SA
    Inventors: Vasileios Davos, Vassilis Papachristos, Dimitrios Efthimiadis, Panagiotis Zafiropoulos, Nikolaos Skounakis, Ioannis Komianos, Michalis Karoussis, Anastasios Papageorgiou
  • Patent number: 10183408
    Abstract: A blade cartridge includes a blade member provided with blades, a blade base member located on the back side of the blade cartridge, and a top member located on the front side of the blade cartridge. The blade member is arranged between the blade base member and the top member. The cutting edge of each blade is exposed through the top member. A blade supporting portion provided in the blade member has a plurality of step plates arranged in a blade arrangement direction, which is orthogonal to the direction in which the cutting edge extends. A reinforcement plate portion, which increases the rigidity of the step plate, is provided while being bent from the step plate. The blade supporting portion is also provided with a bridge portion for mutual coupling.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: January 22, 2019
    Assignee: KAI R&D CENTER CO., LTD.
    Inventor: Tatsuya Furuta