Abstract: A coupling mechanism for a shaving device having a first connector coupled with a second connector defining a channel, the second connector including an engagement surface within the channel. A retainer positioned between the first connector and the second connector, and a plunger that transitions between a first position and a second position. The engagement surface of the second connector engages the retainer when the plunger is in the first position and the engagement surface of the second connector disengages the retainer when the plunger is in the second position.

Abstract: A hair cutting tool includes a shaped supporting body for a handle and having a gripping element for laminar bodies; a cutting blade having a laminar body provided with a single bevel and a cutting edge defining a concave development line toward the inside of the laminar body.

Abstract: An intelligent shaving system includes a handle, at least one blade connected to the handle, a microcontroller attached to the handle, a wireless communication unit configured to send and receive data from microcontroller to an external device, a memory configured to store data applicable to the at least one blade, and one or more sensors configured to send sensory data from the one or more sensors to microcontroller. The one of the one or more sensors is a proximity sensor or a camera having image sensor configured to capture video and/or still images. The shaving system assists in determining blade attrition and provides indicators to assist in shaving techniques. The shaving system further may include at least one blade slightly curved to follow a tangent of the skin. The at least one blade may have a nanolattice structure.

Abstract: A trimming assembly for dreadlocks comprises a handle. A cutting head is operatively connected to the handle. The cutting head comprises a cutting head body defining a receptacle at a radial end thereof. The receptacle is structured to receive a dreadlock. A blade protector is positioned axially within the receptacle. A curvature of the blade protector corresponds to a curvature of an inner wall of the receptacle. A blade is interposed between the blade protector and the inner wall. The blade defines a cutting edge at an axial end thereof proximate to the handle. The cutting edge is structured to cut loose hair protruding outwards from the dreadlock as the cutting head is moved along the dreadlock.

Abstract: A shaving blade cartridge including a housing having a top side, a bottom side and two longitudinal sides. A cutting element is mounted in the housing between the longitudinal sides, and is retained in the housing by a retainer. The retainer includes an internal surface which extends in a direction toward the cutting element. The internal surface is provided with a non-smooth pattern that cooperates with the cutting element. The shaving blade cartridge including the retainer having an internal surface provided with a non-smooth pattern is configured to be connected to a handle of a shaver.

Abstract: A razor blade cartridge includes: a housing: a razor blade fixedly mounted in the housing including: an edge that is elongated in a direction orthogonal to shaving direction, the edge includes a cutting edge formed in a single arch and opposing rear and front faces, wherein the cutting edge extends along a longitudinal direction which is orthogonal to shaving direction; a connection portion extended and bent from the edge toward a direction orthogonal to the longitudinal direction and orthogonal to the shaving direction, the connection portion having faces continuous with the front and rear faces of the edge respectively; and a support portion extending from the connection portion in the direction orthogonal to both the longitudinal direction and the shaving direction, the support portion supporting the edge and the connection portion, the connection portion and the support portion are a single body.

Abstract: A trimming blade system has a front and includes a supporting plate, a blade, and a cover plate. The blade has a cutting edge facing forwardly toward the front of the trimming blade system. The trimming blade system has a comb provided with teeth which project forwardly toward the front of the trimming blade system and which overlap the cutting edge. Each of the teeth has an upper face, two lateral faces, and a lower face. The lower face of each of the teeth is joined to the lateral faces by opposite chamfered faces.

Abstract: This disclosure includes shave biopsy devices having an elongated body with a proximal surface extending between first and second ends that are configured to be grasped by a user's fingers and a blade coupled to the body, where the body is configured to be curved such that the proximal surface is concave. In some devices, at least a portion of the body has a substantially fixed curvature. Some devices include a depth gauge disposed on at least one of the blade and proximal surface of the body, the depth gauge configured to indicate slicing depth of the blade when the body is curved to at least one predetermined curvature.

Abstract: A razor has a holder, a holder handle defining a razor axis, a cross-piece installed in the holder along the razor axis, and up to four pairs of blades. The holder and holder handle collectively form a T-shape structure. Each of the blades in each of the pairs is installed in the holder on a respective side of the cross-piece and at sharp blade setting angle and symmetrical about the cross-piece. The blade setting angle is 75-80°, and the blade setting angle of each preceding blade pair in the direction of the razor movement is less than the setting angle of a subsequent blade pair. The invention makes it possible to increase the efficiency and ease of shaving and to reduce the production cost of the razor.

Abstract: An accessory for use with a shaving device includes a hollow flexible body having an open first end constructed to receive a free end of the shaving device that is opposite a razor blade and a closed second end. The closed second end has an arcuate shape. The accessory also includes a plurality of micro-blades disposed at the closed second end along an arcuate-shaped exterior surface thereof for trimming hair located in difficult to reach rounded facial areas.

Abstract: A scrubbing razor includes an upper handle, a plurality of outer safety ribs or feet integrally joined to the lower end of the upper handle, and a cutting blade mounted to the lower end of the upper handle. Each of the outer safety ribs or feet has a radially outer end, and a lower flat side lying in a common plane, and each radially outer end extends radially outwardly from the lower end of the upper handle to a rib or feet outer diameter. The cutting blade is flat, includes a radially outer rounded cutting edge, and extends parallel to the common plane of the plurality of outer safety ribs or feet.

Abstract: A fingertip mountable shaving device is characterized by a flexible and breathable substrate layer comprising of a first shaving surface, and a second adhesive surface opposite to said first shaving surface. The first shaving surface includes a plurality of rubber strips along the vertical peripheral edge and a plurality of blade assemblies affixed at predetermined locations. Said blade assemblies comprise of a vertical stack of a plurality of rotary blades of different diameters alternately interspaced by spacers and having a hemi-spherical protective cap with a vertical stem, on the top. The second adhesive surface is coated with an adhesive suitable for temporarily mounting the device on a fingertip and is covered with a releasably connected protective peel off layer. The device can safely and closely shave hair from the face and other difficult to reach body surfaces, such as within the ear or nostrils.

Abstract: A razor blade unit including a housing having a top surface, and a loop disposed on the top surface, the loop having two terminal ends and two exposed opposing edges between the two terminal ends. The loop intersects the top surface at the two terminal ends and the two terminal ends are spaced apart from each other on the top surface. At least a portion of at least one of the two exposed opposing edges has a cutting edge. The razor blade unit provides improved conformity to skin contours.

Abstract: A scrubbing razor includes an upper handle, a plurality of outer safety ribs or feet integrally joined to the lower end of the upper handle, and a cutting blade mounted to the lower end of the upper handle. Each of the outer safety ribs or feet has a radially outer end, and a lower flat side lying in a common plane, and each radially outer end extends radially outwardly from the lower end of the upper handle to a rib or feet outer diameter. The cutting blade is flat, includes a radially outer rounded cutting edge, and extends parallel to the common plane of the plurality of outer safety ribs or feet.

Abstract: An electric shaver, as well as hair-cutting or hair-trimming device. The electric shaver includes: a base member to enable a user to hold the electric shaver; an electric motor to rotate at high speed; a shaft connected to the electric motor, the shaft rotating upon rotation of the electric motor; and a curved-contour shaving member attached to the shaft. The curved-contour shaving member includes: a curved-contour central member rotating due to rotation of the shaft; a blade spiraling or encircling around at least a portion of the curved-contour central member.

Abstract: A razor blade and support assembly is provided which flexes in response to shaving forces near slots in the blade support. A razor cartridge includes one or more of the aforementioned razor blade and support assemblies positioned in a housing. The razor cartridge may be permanently or removably coupled to a handle to provide a shaving razor.

Abstract: A razor system is provided for shaving facial and body hair, the razor system having a handle and a razor cartridge. The razor cartridge has a primary group of blades and a second group of blades, such that the primary group of blades makes a first common plane and the second group of blades makes a second working plane. The first common plane and the second working plane are directionally-opposed. The present invention further relates to a method of shaving with the razor system.

Abstract: A razor blade unit including a blade housing to hold at least one blade with a cutting edge, and a cover connected to the blade housing. The cover faces the back edges of the blades, i.e., the edges opposite from the cutting edges. The blade housing has positioning notches to support the cutting edges. In addition, the cover can have recesses to support the back edges of the blades and an elastic component, which exerts a pressing force on the back edges of the blades.

Abstract: The scrubbing razor includes a housing and one or more cutting blades with a rounded cutting edge. The housing includes a top cover, a tubular outer safety ring mounted to the top cover, and one or more tubular anchor rings disposed within the tubular outer safety ring and mounted to the top cover. The one or more cutting blades are mounted to the one or more tubular anchor rings.

Abstract: A razor blade and support assembly is provided which flexes in response to shaving forces near slots in the blade support. A razor cartridge includes one or more of the aforementioned razor blade and support assemblies positioned in a housing. The razor cartridge may be permanently or removably coupled to a handle to provide a shaving razor.

Abstract: A shaving device assembled with multiple blades having a generally planar portion and arcuate end portions in a generally parallel spaced relationship adapted for shaving curvilinear areas of a body.

Abstract: A safety razor assembly having a blade structure including one or more flexible elongate blades supported by a structure that is deformable to permit the blade structure to flex to follow concave or convex curvatures. The support structure can include two suspension members supporting a blade structure along respective edges, and each suspension member has several support elements interconnected by hinges and in sliding cooperation with the blade structure. The deformation of the suspension members is guided by a guide arrangement located adjacent the suspension members.

Abstract: An inner cutter of the present invention is fabricated through the steps of: (a) preparing a metal sheet which is elongated to have a length and a width; (b) forming a plurality of slits in the metal sheet to form a plurality of crossbars separated by the slits along the length of the metal sheet; (c) processing the metal sheet to form sharp edges on opposite sides of each of the crossbars; (d) bending the metal sheet arcuately to form a blade which is curved arcuately along both the length and the width; (e) assembling the blade and a base into the inner cutter.

Abstract: Disclosed is a shaving device. The shaving device includes a blade element for contacting, cutting and removing hair from a skin surface. A retaining element engages the blade element, and a handle is in operational communication with the blade element for permitting a user to manipulate the blade element. The blade element is at least partially curved to contact and conform to a neck area of the user. A method of removing hair from a skin surface is also disclosed.

Abstract: A safety razor and method of manufacturing a safety razor comprising molding a razor head and a razor blade in a curvilinear mold with the razor blade captured in the razor head such that both the head and blade form a single unitary body with each having a common fixed curvilinear geometry and a handle for the razor adjustably connected to the head such that the curved razor blade may be adjustably positioned relative to the handle to orient the razor blade into one of two opposite directions for use by either a right handed or left handed person.

Abstract: A hand-held dressing device has a blade with a sharpened cutting edge. The blade is preferably V- or U-shaped and permanently or removably supported by the limbs of a Y-shaped body with an extending hand group. The blade may be made from a single piece or form multiple segments with straight or curved cutting edges. The blade of blade segments may be fixed, such as by an adhesive, to a supporting carrier. Guard projections may extend from behind the cutting edge to beyond the cutting edge to reduce the likelihood of inadvertent contact with the blade edge while maintaining effective cutting action. In a method of use, the hair dressing device is manipulated so that the blade partly surrounds a cluster of hair strands and the device is moved to cut at least some of the strands of hair.

Abstract: A razor head has blade members with straight front cutting edges which are mutually parallel and lie in a cutting plane. Imaginary median surfaces of the blade members are continuously curved from the cutting plane, from the cutting edges toward the rear edges. The razor has a handle with a pair of fork arms, the distal ends of which are connected to the head at positions adjacent the respective ends of the head. Each fork arm has a groove allowing pivoting of the distal end about a pivot axis parallel to the head axis. Each groove is filled with a resiliently deformable material which is deformed when a pivoting force is applied to the razor head during shaving and which restores the razor head to a normal position when the force is removed.

Abstract: A safety razor blade unit (2) has blade assembly (5) comprising a plurality of parallel blades (16) mounted on a razor handle (1) by a flexible support structure (4). Each blade (16) consists of an elongate blade element having a forward edge section (50) with a sharp cutting edge (17), and a planar blade section (54) extending rearwardly from the forward edge section (50). The forward edge section is upwardly inclined by bending a blade element blank between press tooling so that in the transition region between the forward edge section (50), which extends back from the tip of the cutting edge (17) by not more than 1 mm, and the planar blade section (54), the lower surface is convex and the upper surface is concave, with the plane (Pt) bisecting the tip being at an angle of 10° to 35° to the mid plane (Pm) of the planar section (54).

Abstract: A wet-shaving razor unit for cutting hair from the skin having a V-shaped handle with two elongate rod-like arms pivotally joined together at the vertex, connected by a flexible cross member near their midpoints, an upper portion of the arms being bent forward to make pivotal connection with a flexible blade housing containing one or more elongate blades, having a lubricant on its skin engaging portions, and able to tilt and flex on pivotal connections with the handle, the V-shaped handle and flexible blade head acting in harmony to give safe, close, and comfortable shaves of angular, convex, and concave body surfaces.

Abstract: A blade unit (2) of a safety razor has a flexible blade assembly (5) comprising plurality of blades (16) with parallel cutting edges (17), mounted on a resiliently compliant support structure (4) that includes several spring elements (12) disposed along the blade unit (2) to oppose local deformation of the blade unit (2) under shaving forces imposed in the regions where the spring elements (12) act. The blade unit is able to conform closely to skin undulations due to varying deformation of the support structure (4) along the blade unit being permitted. In an embodiment the support structure (4) is a one piece moulding of resiliently flexible material and includes an upper frame (6) on which the blade assembly (5) is carried, a sub-frame (7) and a base (8), the upper frame (6) and the sub-frame (7) being connected together by a living hinge (9) and the sub-frame (7) and base (8) being connected by another living hinge (10) so that the support structure is Z-shaped in cross-section.

Abstract: A safety razor blade unit (2) has blade assembly (5) comprising a plurality of parallel blades (16) mounted on a razor handle (1) by a flexible support structure (4). Each blade (16) consists of an elongate blade element having a forward edge section (50) with a sharp cutting edge (17), and a planar blade section (54) extending rearwardly from the forward edge section (50). The forward edge section is upwardly inclined by bending a blade element blank between press tooling so that in the transition region between the forward edge section (50), which extends back from the tip of the cutting edge (17) by not more than 1 mm, and the planar blade section (54), the lower surface is convex and the upper surface is concave, with the plane (Pt) bisecting the tip being at an angle of 10° to 35° to the mid plane (Pm) of the planar section (54).

Abstract: A hand-held air dressing device (10) has a blade (13) with a sharpened cutting edge. The blade is preferably V or U-shaped and permanently or removably supported by the limbs (12) of a Y-shaped body with an extending hand grip (11). The blade may be made from a single piece or from multiple segments with straight or curved cutting edges. The blade of blade segments may be fixed, such as by an adhesive, to a supporting carrier. Guard projections may extend from behind the cutting edge to beyond the cutting edge to reduce the likelihood of inadvertent contact with the blade edge while maintaining effective cutting action. In a method of use, the hair dressing device is manipulated so that the blade partly surrounds a cluster of hair strands and the device is moved to cut at least some of the strands of hair.

Abstract: A shaving article for sensitive surfaces and curved body areas includes an elongate handle having one free end and an opposite end from which a shank or neck portion integrally depends, the shank and handle defining an aggregate effective lever arm. The article includes a shaving head assembly transversely dependent from the neck portion, the assembly having a blade housing including means for holding and positioning of a blade having a length in a range of about 17 to about 23 millimeters, the blade defining a rotated arm of the lever arm in which a ratio of length of the lever arm to the rotated arm defines a range of between about 3.5:1 to about 5.5:1. The preferred length of the blade, within said range, is about 20 millimeters (0.75 inches).

Abstract: A manually operated, finger-manipulatable non-electric hair trimming device for shaving nostril hair, ear hair or the like, includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, which includes a flexible razor blade strip. The head structure has a base portion and a curved guard portion, which preferably has first and second ends which are attached to the base portion. A finger grip portion is connected to the base portion to allow precise manual manipulation of the hair trimming device. The head structure further has a thin, elongated narrow razor blade strip with a razor sharp first edge portion, which may be a serrated edge with razor-sharp notches such as V-slots or may be a conventional straight edge. Alternatively, two razor-sharp edges, one serrated and one straight, may be provided.

Abstract: A safety razor having a shaving head which includes dual blades with multiple shaving edges having different lengths and/or shapes to provide a selection of shaving edges for various types of hair encountered on the body of a user. Each blade has straight and convex shaving edges on two sides thereof as well as blade extensions having shorter straight and convex shaving edges on two ends thereof. The razor further includes a handle with a conduit located therein in communication with the shaving head whereby water can travel through the handle, into the shaving head and past the blades to dislodge debris. Further, the safety razor is equipped with a slidable plunger which is slidable in the conduit so that oils, creams or liquids can be applied through the shaving head.

Abstract: This invention is directed to various flexible-blade razors whose flexing and bending are assisted by the user's fingers These novel, flexible-blade razors are able to bend as deeply as required in order to conform to and closely shave convex, concave or flat surfaces of the body, in a single, full-width, shaving stroke.

Abstract: A shaving article for sensitive surfaces and curved body areas includes an elongate handle having one free end and an opposite end from which a shank or neck portion integrally depends, the shank and handle defining an aggregate effective lever arm. The article includes a shaving head assembly transversely dependent from the neck portion, the assembly having a blade housing including means for holding and positioning of a blade having a length in a range of about 17 to about 23 millimeters, the blade defining a rotated arm of the lever arm in which a ratio of length of the lever arm to the rotated arm defines a range of between about 3.5:1 to about 5.5:1. The preferred length of the blade, within said range, is about 20 millimeters (0.75 inches).

Abstract: A multi-bladed razor cartridge and assembly is provided. The razor cartridge includes a plurality of blades where wash-through holes are arranged between the cutting and rear edges of at least one of the blades.

Abstract: A blade cartridge including three or more blades fixed between a platform member and a cap member. The present invention provides improved triple blade geometry where five contact surfaces with the skin are considered, including the edges of each of the blades, a skin contacting surface on the guard member and a skin contacting surface on the cap member. The five contacting surfaces are oriented at an equal distance from a common axis in order to ensure that the shaving forces normal to the contacting surfaces are shared by all of the contacting surfaces. The arrangement of the present invention provides optimal blade geometry, thereby producing a close and comfortable shave. Additionally, the blades of the present invention are movable to a less aggressive position in response to applied shaving forces.

Abstract: A hair trimming tool which includes an elongated handle with a first end and a second end, a blade member releasably mounted to the handle, a plurality of blades extending outwardly from the blade member, and an end cap secured to the blade member is disclosed. In order to use the tool the user inserts the tool into his ear, with the end cap fitting within the ear, and rotates the handle member. As a result of this action the blades contact the hair within the ear, thereby trimming the hair. The end cap protects the inside of the person's ear while the hair is being trimmed.

Abstract: A flexible razor cartridge and assembly are provided. The razor cartridge includes at least one longitudinally arranged flexible beam biased to facilitate a flexed cartridge to return to its at rest position.

Abstract: A novel cutting element in or for a safety razor comprises an elongate member with a series of slots (5), each slot (5) tapering from an open forward end to a substantially closed trailing end, and each slot (5) being confined between a pair of shaped edges (6) for slicing hairs as they move through the slot as the cutting element is moved across the skin. One or more of the cutting elements may be used in a safety razor blade unit, either alone or in combination with a blade having a conventional straight sharpened edge.

Abstract: A blade assembly for use in a razor has at least one blade providing a cutting edge, a leading skin guide located ahead of the cutting edge, and a trailing skin guide located behind the cutting edge. The leading and trailing skin guides are configured to provide one or more front contact surface and one or more rear contact surface, respectively, for contacting the skin of a user. These front and rear contact surfaces lie substantially on a virtual convexly-curved contact profile such that, when the blade assembly is pressed against the skin of a user, the skin becomes stretched to conform to the contact profile.

Abstract: A manually operated, finger-manipulatable non-electric hair trimming device for shaving nostril hair, ear hair or the like, includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, which includes a flexible razor blade strip. The head structure has a base portion and a curved guard portion, which preferably has first and second ends which are attached to the base portion. A finger grip portion is connected to the base portion to allow precise manual manipulation of the hair trimming device. The head structure further has a thin, elongated narrow razor blade strip with a razor sharp first edge portion, which may be a serrated edge with razor-sharp notches such as V-slots or may be a conventional straight edge. Alternatively, two razor-sharp edges, one serrated and one straight, may be provided.

Abstract: A manually operated, finger and/or hand-manipulatable non-electric body shaving device for shaving substantially curved portions of the body such as the legs, arms and underarm regions, includes a handle portion and a curved razor blade strip base support platform, and a correspondingly curved or curvable razor blade strip platform structure. The razor blade strip platform is longitudinally arranged with respect to the handle or fingergrip portion, and preferably all three major elements, i.e., the handle or fingergrip region, the base support structure and the blade platform structure are located within a common plane for ease of use. Seven different embodiments of my longitudinally arranged body shaving device having one or more substantially curved razor blade strips are shown and described.

Abstract: A razor which actively flexes at least one, and preferably a plurality of skin-engaging elements during shaving to follow the contours of a skin surface. One preferred razor comprises a support and a pair of rotating pivots movably connected to the support. Each rotating pivot contacts separate portions of a razor head. Shaving forces exerted on a first razor head portion in a first direction will cause the rotating pivot to move a second razor head portion in a second direction which is different from the first direction. The razor also comprises means for biasing the rotating pivots to a neutral position. In one embodiment, the support comprises a pivot assembly to which the rotating pivots are connected thereby providing another degree of movement to the rotating pivots relative to the support.

Abstract: A razor consisting of a flexible cloth-like base material upon which are mounted a plurality of cutting heads. Each head is attached to the base material so as to be flexible in orientation. A preferred head embodiment includes a flat metal structure having an attachment hole for connection to the cloth and an aperture large enough for passage of one or more hairs, the perimeter of the aperture having a sharp edge for cutting the hair. The density, i.e. quantity of heads per unit area is preferably very large, resulting in some overlap of heads. In this dense configuration, the probability of a head engaging a hair is greatly increased, in spite of the somewhat random orientation of each head. This principle is more commonly known as the law of mass action. The dense, small cutting heads in combination with the flexible cloth-like base material provides a structure that easily conforms to body contours.

Abstract: A safety razor having a generally rectangular-shaped head, comprises at least one razor cutting edge arranged on at least one of the longitudinal sides of the head and at least one razor cutting edge arranged on at least one of the transversal sides of the head.

Abstract: A concave, convex safety razor with an extensible handle includes a safety razor blade housing having a concave cutting surface on one end and a convex cutting surface on the other end, that includes a removable and rotatable device disposed on the housing. An elongated handle cooperates with the removable and rotatable device disposed on the housing permitting rotation of the safety razor blade housing and removal and replacement thereof. A hollow extensible handle is adapted to be affixed to the safety razor handle and is capable of extending the length thereof.

Abstract: A safety razor system includes a body member for attachment to a razor handle having a shell structure and an elongated blade mounted on the shell structure of the body member. The blade is arcuate along its lengthwise directions and has a skin contacting surface with a plurality of apertures formed therein, the perimeter of each aperture serving as a cutting edge. The blade is mounted on the body with the skin contacting surface entirely offset from the body member and is attached to a handle for pivotal movement in the widthwise direction about a pivot center offset from the skin contacting surface in the direction of contact.