And Stationary Outer Blade Patents (Class 30/43.6)
  • Patent number: 11440207
    Abstract: A rotary hair-cutting unit including an internal cutting member having cutting elements with cutting edges, and an external cutting member having hair-guiding elements with counter-cutting edges). The co-operating edges define a shearing angle, such that during rotation a cutting edge first meets a counter-cutting edge at a radial initial-passing position. In a cross-section at said radial initial-passing position one of the internal cutting member and the external cutting member is provided with a particular abutment geometry. The inclusion of an abutment geometry will be effective to push the depressed hair-guiding element and the rotating cutting element axially away from one another, such that the cutting element will pass the hair-guiding element without being blocked and without causing substantial collision damage.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: September 13, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Ingmar Grasmeijer, Margarita Zwanette Van Raalte
  • Patent number: 11298840
    Abstract: A rotary electric shaver includes a main body in which a first transmission mechanism, and a connecting portion is disposed; a head unit in which a plurality of blade units each having an outer blade, an inner blade being in sliding contact with an inner surface of the outer blade, and a driven shaft rotating the inner blade are disposed, and a second transmission mechanism that transmits a driving power of the first transmission mechanism to rotate the driven shaft is built, and which is connected to the connecting portion; and a drive shaft for transmitting the driving power of the first transmission mechanism to the second transmission mechanism, wherein a first endless belt is disposed in the first transmission mechanism and a second endless belt is disposed in the second transmission mechanism.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: April 12, 2022
    Assignee: Maxell Izumi Co., Ltd.
    Inventor: Hideaki Koike
  • Patent number: 11285627
    Abstract: A shaving appliance and a shaving unit are described. The shaving unit has a rotary cutter having a plurality of cutter blades that are provided with a cutting edge. The shaving track includes hair-entry slots that, seen in the direction of movement, have a frontal edge and a rear edge. A slot angle (?) defined as an angle of inclination between the frontal edges (48, 148) of the hair-entry slots. A shearing angle (?), defined as a difference between the slot angle (?) and an angle of inclination (?) of cutting edges of cutter blades with respect to the radial direction. The shearing angle (?) is defined at an actual point where the frontal edges and the cutting edges cooperate.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 29, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Geert Veenstra, Harmen Kooiker, Fokke Roelof Voorhorst
  • Patent number: 11267145
    Abstract: A hair cutting appliance comprises an external cutting member and an internal cutting member arranged rotatable to the external cutting member for cutting hair.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 8, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Dmitri Horowitz, Marcus Cornelis Petrelli, Ivar Bosma
  • Patent number: 11027442
    Abstract: A personal care device, in particular skin treatment device such as electric shaver, including an elongated handle for manually moving the personal care device along a body surface, a working head attached to said handle for effecting a personal care treatment to said body surface, at least one detector for detecting at least one behavioral parameter indicative of a user's behavior when handling the personal care device, and an adjusting mechanism for adjusting at least one working parameter of the working head in response to the detected behavioral parameter.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 8, 2021
    Assignee: Braun GMBH
    Inventors: Martin Fuellgrabe, Stefan Fuerst, Christian Neyer, Johannes Julian Weinkauff, Lucy Abigail Zimmermann
  • Patent number: 10987819
    Abstract: An objective of the present invention is to provide a grille for a hair shaver. In the present invention, by the combination of V-shaped hair shaving slots (including hair shaving long slots and hair shaving short slots) formed on the support surfaces at preset intervals, while contacting with the skin by the support surfaces, the hair is distributed to the hair shaving long slots and the hair shaving short slots on two sides, so that the hair is easier to enter a hair shaving region without escaping against the support surfaces. Accordingly, without reducing the effective hair shaving area, it is convenient for long hair to enter a hair shaving part, and a larger effective hair shaving length is obtained; and meanwhile, an effective support is provided for the skin, and the skin is prevented from being scratched by a blade.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: April 27, 2021
    Assignee: Haining Xinyi Machinery Electrical Co., Ltd.
    Inventor: Huapei Huai
  • Patent number: 10555591
    Abstract: There is provided an epilation device for removing body hair with at least one epilation unit. In particular, an epilation barrel, having a plurality of pairs of tweezers for pinching and pulling out hairs from the skin. The epilation device further has a drive unit for driving the at least one epilation barrel and a control unit. The control unit is able to analyze the force with which the user presses the epilation unit to the skin resulting in contact pressure and compares the contact pressure applied to at least one threshold contact pressure. Optionally, the epilation device further has a feedback unit which signals to the user, whether the contact pressure applied is smaller than, equal to, or larger than the at least one threshold contact pressure.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: February 11, 2020
    Assignee: Braun GMBH
    Inventors: Gerrit Roenneberg, Tarik Mehaddene
  • Patent number: 10357890
    Abstract: A detachable floating shaver includes a head, a casing having a third through hole, a main housing, a first floating member, and a second floating member. Through the connection and positioning relationship between the two parent and child pivot portions, that is, the first floating member and the second floating member, the head can achieve a cross rotation relative to the main housing. The second floating member has a connecting member; through the detachable connection between the second floating member and the connecting member, the head of the shaver is detachably connected, which is convenient for replacement, cleaning and maintenance and is more practical. The shaver can achieve 360° rotation through two parent and child pivot portions and two elastic sleeves, and the effect of floating contact of the shaver with the user's face is good.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: July 23, 2019
    Assignee: GUANGDONG ROMAN TECHNOLOGY CO., LTD.
    Inventors: Youchun Yan, Guang Lu, Lili Yan
  • Patent number: 10350771
    Abstract: A shaving apparatus (1000) is disclosed in which a rotary cutter (1300) and a fixed blade (350) are used to shear a user's hairs therebetween during a shaving process. Various advancements are disclosed herein, including without limitation accurate positioning of the fixed blade in the head (200A) relative to the contact apex of the rotary cutter, bi-directional rotation of the rotary cutter, a cover-blade assembly for detachable coupling and decoupling from a base component of the head, the use of contact rollers on the head to treat and/or prep the skin and/or hairs for shearing, and a rotary cutter configured to pinch, pull and shear hairs.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: July 16, 2019
    Inventors: Gil Perlberg, Beni Nachon, Shoham Zak, Gitay Kryger, Tsafrir Ben-Ari
  • Patent number: 10195751
    Abstract: A rotary electric shaver includes a gear case arranged inside a head unit, a lower gear arranged in a lower portion of the gear case, coaxially having an outer blade gear for driving an outer blade and an inner blade gear for driving an inner blade, an upper gear arranged in an upper portion of the gear case to drive the outer blade, and a transmission gear having an input gear arranged in the lower portion of the gear case and to which driving power is input from the lower gear, and an output gear arranged in the upper portion of the gear case to drive the upper gear, in which the input gear and the output gear are coaxial and a rotary shaft vertically penetrates the gear case. The driving power from the upper gear drives an outer blade drive gear for driving the outer blade.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: February 5, 2019
    Assignee: IZUMI PRODUCTS COMPANY
    Inventor: Tetsuhiko Shimizu
  • Patent number: 9993929
    Abstract: A carrier is adapted for use in a shaving device and includes at least one pair (15) of a cutting element (8) and a hair lifting element (14). At least one of the elements (8, 14) of the pair (15) has a bent shape, wherein the bent element (8, 14) is provided with at least two bending lines (17, 18). The bent shape of the at least one of the elements (8, 14) is such that in a functional arrangement of the elements (8, 14) with respect to each other, edge portions (11, 16) of the elements (8, 14) are located at a distance with respect to each other. Thus, a space (22) is present between the elements (8, 14) at the side of their edge portions (11, 16), which can be used for receiving cut-off hair stubbles which might otherwise hinder a movement of the hair lifting element (14).
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: June 12, 2018
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Peter Hans Van Der Vlis, Paul-Rainer Viktor Karl Slesazeck, Gert Niers, Erik Houbolt
  • Patent number: 9855671
    Abstract: A chain saw unit has a sub-frame defining a plurality of mount locations and a plurality of operating components amongst which are at least: a) a battery operated motor; and b) a battery for operating the motor. The plurality of operating components is each operatively placed and maintained at one of the mount locations such that the sub-frame assembly and operatively placed operating components together make up at least part of a main operating unit to which a chain bar and cutting chain can be operatively assembled. The main operating unit has an exposed surface area. An outer housing assembly overlies the exposed surface area and defines an outermost exposed surface. The plurality of operating components are operatively maintained on the sub-frame assembly independently of the outer housing assembly.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: January 2, 2018
    Assignee: Echo Incorporated
    Inventors: Stephen J. Towner, Brent Peterson
  • Patent number: 9844892
    Abstract: A chain saw kit having a sub-frame assembly and a plurality of operating components, among which are at least a battery operated motor and battery. The sub-frame assembly is configured to define mount locations for the operating components so that the sub-frame assembly and operatively placed operating components make up at least a part of a main operating unit to which a chain bar and cutting chain can be assembled. A first outer housing assembly has at least a first outer housing part with a second outer housing assembly having at least a second outer housing part. The parts of the outer housing assemblies are interchangeably usable to allow selection of different overall size, shape, and/or appearance of chain saws based upon a common sub-frame assembly.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: December 19, 2017
    Assignee: ECHO INCORPORATED
    Inventors: Stephen J. Towner, Brent Peterson
  • Patent number: 9827684
    Abstract: The invention relates to a shaving head comprising at least one cutting unit (7, 7A, 7B). The cutting unit comprises a ring-like skin-supporting tilting member, being tillable relative to a shaving head main body (4, 8) about a first tilting axis, an external cutting member, an internal cutting member, and a retainer. According to the invention, the retainer is a multi-purpose retainer in that it provides simultaneously a locking function, a secondary tilting function and an anti-floating function. By virtue of the multi-purpose retainer, the shaving device delivers a high shaving performance and is also easy to clean.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: November 28, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Johannes Hendrikus Van Toor, Hans Oosterhoff
  • Patent number: 9821478
    Abstract: A shaving apparatus, shaving head and/or at least one cutting unit for shaving both short and long hairs. The shaving apparatus, shaving head and/or at least one cutting unit includes an external cutting member and an internal cutting member movably arranged with respect to the external cutting member. A driver may be provided for moving the internal cutting member. The external cutting member is provided with a shaving section having two mutually connected lateral borders forming hair entry apertures. The internal cutting member is provided with cutting elements having cutting edges for cooperation with cutting edges of the external cutting member. A number of the hair entry apertures are formed by two substantially flat lamellae of the external cutting member which have free ends positioned between the borders of the shaving section.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: November 21, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Bastian Cornelis Kleine Doepke, Johan Bron, Johan Pragt, Hendrik Poel
  • Patent number: 9789616
    Abstract: A rotary electric shaver includes a blade unit which has an outer blade with multiple hair inlets formed therein and an inner blade which rotates while coming into sliding contact with a lower surface of the outer blade. The inner blade has multiple small blades, and the small blades are formed in a shape in which rake angles of a blade edge are a small angle and a large angle depending on the radial position.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: October 17, 2017
    Assignee: IZUMI PRODUCTS COMPANY
    Inventor: Yoshiyuki Mimura
  • Patent number: 9409301
    Abstract: A cap for a shaving head of a shaving apparatus has a skin contacting surface including at least two annular corrugations. The shape of the skin contacting surface of the cap is adapted to realizing a high feeling of comfort for a user of the shaving apparatus. A factor contributing to the feeling of comfort is that an annular central surface of an outermost corrugation has an orientation that is out of line with an expected course of an imaginary smooth flowing plane following a central surface of an adjacent corrugation, where a drooping configuration of the central surface of the outermost corrugation with respect to the central surface of the adjacent corrugation is realized.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: August 9, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Andre Kuijper, Erik Houbolt, Martin Leonard Bakker, Willem Drachten
  • Patent number: 9382608
    Abstract: The invention relates to a method for making a thin finished product to be formed by deformation that combines strength with resistance to a highly corrosive environment. The method comprises forming a sheet of stainless steel with a microstructure consisting predominantly of ferrite, austenite, martensite or a mixture thereof, with a thickness of less than 3 mm, to a three dimensional semi finished product, treating said semi finished product with a nitrogen-containing atmosphere at a temperature of between 1000° C. and 1200° C. during a time and under a nitrogen pressure, sufficient to saturate the product through the thickness with a nitrogen content between a lower limit of 0.3 wt % and an upper limit that is provided by the beginning of nitride separation, cooling down said product at such a rate and nitrogen pressure that nitride separation is avoided, and subsequently machining the nitrogen saturated semi- finished product to the finished product.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: July 5, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Hubert Sjoerd Blaauw, Martin Hommes, Lucius Theodorus Vinkenvleugel
  • Patent number: 9364960
    Abstract: A rotary electric shaver with an outer cutter having a circular shaving top surface with numerous hair introduction openings and an inner cutter having a small cutter slidably rotating in contact with a bottom surface of the outer cutter. The rotary electric shaver includes an outer cutter set wherein the outer cutter is assembled in an outer cutter holding unit and an inner cutter set wherein the inner cutter is assembled in an inner cutter holding unit. The outer cutter set and the inner cutter set are respectively provided with a positioning convex portion on one and a positioning concave portion on the other. The positioning convex portion can fit in the positioning concave portion such that the outer cutter set can be assembled with the inner cutter set only in a case where the outer cutter set and the inner cutter set are in a predetermined assembly position.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: June 14, 2016
    Assignee: IZUMI PRODUCTS COMPANY
    Inventors: Toshihiko Ohara, Hideaki Koike, Toshihide Miyasaka
  • Patent number: 9352476
    Abstract: The hair clippers use a self-contained motor-driven adjustment mechanism to adjust the relative position of the stationary and reciprocating blades of a common type of blade set. Two momentary switches operable by the thumb of the hand holding the clipper afford a barber total automatic adjustment with the clipper itself in an on or off condition. Since the reversible gear train assembly may be operated by direct current, the adjustment feature is most compatible with cordless clippers already using an on-board DC source in the form of a re-chargeable battery to drive the reciprocating blade. The invention will be described as a modification of a cordless clipper, although AC driven corded type clippers can also be modified with this feature by the addition of an on-board AC to DC power supply for the adjustment motor.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: May 31, 2016
    Inventor: Lonnie Holmes
  • Patent number: 9216513
    Abstract: A shaving head includes at least one cutting unit in which an external cutting member is subjected to a shaving action. The external cutting member is suspended relative to a holder of the shaving head through suspension means. The suspension means includes at least two pivot constructions, wherein one pivot construction enables a member of the suspension means to be pivotable relative to the holder. The other pivot construction enables the external cutting member to be pivotable relative to the suspension member. Furthermore, a pivoting stiffness of a connection of the latter pivot construction is lower than a pivoting stiffness of the first pivot construction. In this manner, good contour following performance is obtained at two levels, in both relatively small and relatively large curvature changing areas.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: December 22, 2015
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Ype Brada, Oege Smedinga, Sint Baron
  • Patent number: 9126345
    Abstract: A domestic appliance includes a functional action unit which has at least one movably arranged member, and a generator configured to generate electric energy at the location of the functional action unit. The generator is associated with the movably arranged member, and employs movement of this member in a process of generating electric energy. The generator includes a permanent magnet and an electric coil, where the magnet may be mounted on the movably arranged member. By having the generator at a location inside the functional action unit, it is possible to have one or more electric components at a location inside this unit without the need for external electric connections.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: September 8, 2015
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Geert-jan Darwinkel, Mattheus Jacobus Van Der Meer, Pascal Homan
  • Patent number: 9009978
    Abstract: A shaver includes a shaving unit having e.g., three shaving elements. Each shaving element accommodates a cutter member for cutting off hairs. Each shaving element further accommodates a gear wheel which is part of a transmission for coupling a drive shaft for driving the cutter member to an output shaft of a motor of the shaver. A top side of a space where the gear wheel is located is covered by a partition, where only the drive shaft extends through this partition. Each shaving element can be individually opened by removing a top portion of the shaving element, including the cutter member, from a base portion of the shaving element where the gear wheel, the drive shaft and the partition are located. An opening system may be provided to open all the shaving elements in one action by reversal of the direction of rotation of the output shaft, for example.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: April 21, 2015
    Assignee: Koninklijke Philips N.V.
    Inventors: Ronald Maarten Schneider, Johannes Cornelius Antonius Muller, Peter Adrianus Albert Kemps, Jacob Brinkert, Geert-Jan Darwinkel, Mattheus Jacobus Van Der Meer
  • Publication number: 20150082637
    Abstract: The present invention claims a rotary type electric shaver head, wherein a cutter mesh enclosure of the rotary type electric shaver head is provided with a wavy curved surface; a C-shaped or S-shaped beard inlet slot is formed on the cutter mesh enclosure; the beard inlet slot is the combination of a circular hole and a slot, or the combination of a long slot and a short slot; a moving cutter is fixedly arranged on a driving connector in a hot-pressing and melting mode, thereby forming a moving cutter component; an upper tapered surface of a tapered-surface driving shaft is in contact with an inner tapered surface of a driving shaft sleeve, thereby driving the moving cutter component; the moving cutter component is arranged on a boss on the inner surface of an elastic cutter holder; while being rotated, the moving cutter component is only in contact with the boss (11) on the inner surface of the elastic cutter holder; an upward fastening force is applied to the moving cutter component by the elastic cutter ho
    Type: Application
    Filed: October 17, 2012
    Publication date: March 26, 2015
    Applicant: SHANGHAI POVOS ELECTRIC WORKS CO., LTD.
    Inventor: Weiming Liu
  • Publication number: 20150047203
    Abstract: A stationary blade (10) for a blade set (4) of an electrically operated hair cutting appliance (1), including a first wall (20) and a second wall (30), each wall defining a first surface (22a, 32a), a second surface (22b, 32b) facing away from the first surface, and a laterally extending leading edge (23, 33) defining a plurality of laterally spaced apart longitudinally extending projections (24, 34), wherein the first surfaces of the first and second walls face each other, at least at their leading edges (23, 33), while facing projections along the leading edges of the first and second walls are mutually connected at their tips (26, 36) to define a plurality of generally U-shaped teeth (12), and the first surfaces of the first and second walls define a laterally extending guide slot (16) for a movable blade (40) of said blade set between them.
    Type: Application
    Filed: March 26, 2013
    Publication date: February 19, 2015
    Inventors: Martinus Bernardus Stapelbroek, Jan Van Dalen
  • Publication number: 20150040403
    Abstract: A shaving unit (1) comprises a cap (2) having an annular shaving track (8) defining an axis (Z), the shaving track being provided with hair entry apertures (20) which have a V-shaped forward edge with a point directed in a cutting direction (Y). A rotary cutter (4) has a plurality of cutter blades (18), the cutter being arranged to rotate about the axis such that the cutter blades follow the shaving track in the cutting direction to cut hairs protruding through the apertures, wherein the cutter blades have a V-shaped cutting edge (34) and a point of the V is directed opposite to the direction of rotation.
    Type: Application
    Filed: December 24, 2012
    Publication date: February 12, 2015
    Inventors: Stuart Robbie Campbell, Jan Dirk Van Den Berge, Johan Pragt, Friso Terpstra, Albert Maas De Lange, Wouter Van Kempen, Robert Alexander Van Eibergen Santhagens
  • Publication number: 20150013167
    Abstract: A shaver includes a shaver head casing, floating cutter holders disposed in the shaver head casing, and two or three circular rotary blade assemblies respectively configured in the central circular holes of the floating cutter holders from below via a rabbet structure; the floating cutter holder is made of a hard rubber material disposed inside and a soft rubber material covering the outside, and is in a fingernail shape, with a circular-arc-shaped outside and an inside opening that is flat or at an angle of 120 degrees; the two or three floating cutter holders are mutually connected via a strip-shaped thin soft rubber layer by means of the opening that is flat or at an angle of 120 degrees, the thickness of the strip-shaped thin soft rubber layer being 0.05-0.15 mm. The floating cutter holder is a soft and flexible integrated structure.
    Type: Application
    Filed: December 3, 2012
    Publication date: January 15, 2015
    Applicant: SHANGHAI POVOS ELECTRIC WORKS CO., LTD.
    Inventors: Mingxiong Shen, Wenli Zeng, Yuesheng Deng, Zhiwen Ye
  • Publication number: 20150013168
    Abstract: The invention relates to a shaver (1), comprising a handle (2), at least two rotary shaving heads (5), driven by at least one drive shaft (15; 115; 215) which protrudes from said handle (2), and a support structure (6) for supporting said shaving heads (5) onto the handle (2) so as to have their joined shaving surface (S) extend substantially perpendicular to said at least one drive shaft (15; 115; 215). The support structure (6) is configured such, that a space (A), restricted at one side by the shaving heads (5) and at the opposite side by the handle (2), is substantially open to its remaining, surrounding side.
    Type: Application
    Filed: September 29, 2014
    Publication date: January 15, 2015
    Inventors: Albertus J.C. VAN DER BORST, Bart J. MASSEE, Paul A.J. ACKERMANS, Wilko WESTERHOF, Albert J. AITINK, Ype BRADA
  • Publication number: 20140352152
    Abstract: In a rotary electric shaver according to the present invention, a plurality of blade units that include an outer blade having an annular shaving surface on an upper surface and an inner blade rotating in sliding contact with a lower surface of the outer blade are arranged in a head unit held by a main body so as to be tiltable. A main drive shaft outputting drive force of a motor accommodated in the main body and a rotary shaft of any one blade unit out of the plurality of blade units are connected by a movable joint, and a position of the movable joint serves as a tilting fulcrum for tilting the head unit.
    Type: Application
    Filed: May 23, 2014
    Publication date: December 4, 2014
    Applicant: Izumi Products Company
    Inventor: Tetsuhiko SHIMIZU
  • Publication number: 20140352153
    Abstract: A cutter unit (1) for a rotary shaver is formed by an outer cutting element or cap (2) which interacts with a rotating inner cutting element or cutter (4) to trap and cut hairs. The cap has an annular shaving track (8) of domed cross-section having slots (30) through which the hairs may protrude. The cutter has a convex upper face (22) to engage the shaving track and a concave forward face (26).
    Type: Application
    Filed: December 12, 2012
    Publication date: December 4, 2014
    Inventors: Jasper Zuider, Robert Godlieb, Onno Hottinga
  • Patent number: 8857063
    Abstract: A rotary electric shaver provided with a plurality of cutter units, each of which has an outer cutter (72) and an inner cutter (84), which rotates while elastically contacting the outer cutter from below. The shaver comprising: a plurality of outer cutter assemblies (70), each of which is made integral with a cutter circumferential rim (74) having the outer cutter of each cutter unit secured thereto and which is movably retained in a mounting port formed in the cutter frame (66), a pushup plate (92) which contacts the outer cutter assembly from below to push up the outer cutter assembly, a cutter retaining plate (90) which is retained by the cutter frame and which is positioned below the pushup plate, and an outer cutter float spring (94) which is compressively interposed between the cutter retaining plate and the pushup plate to impart an upward return tendency to the pushup plate.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: October 14, 2014
    Assignee: Izumi Products Company
    Inventor: Hideaki Koike
  • Patent number: 8844141
    Abstract: A shaver (1) includes a handle (2), at least two rotary shaving heads (5), driven by at least one drive shaft (15; 115; 215) which protrudes from the handle (2), and a support structure (6) for supporting the shaving heads (5) onto the handle (2) so as to have their joined shaving surface(s) extend substantially perpendicular to the at least one drive shaft (15; 115; 215). The support structure (6) is configured such, that a space (A), restricted at one side by the shaving heads (5) and at the opposite side by the handle (2), is substantially open to its remaining, surrounding side.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: September 30, 2014
    Assignee: Koninklijke Philips N.V.
    Inventors: Albertus Johannes Cornelis Van Der Borst, Bart J. Massee, Paul Anton Josef Ackermans, Wilko Westerhof, Albert Jan Aitink, Ype Brada
  • Publication number: 20140165407
    Abstract: A rotary electric shaver with an outer cutter having a circular shaving top surface with numerous hair introduction openings and an inner cutter having a small cutter slidably rotating in contact with a bottom surface of the outer cutter. The rotary electric shaver includes an outer cutter set wherein the outer cutter is assembled in an outer cutter holding unit and an inner cutter set wherein the inner cutter is assembled in an inner cutter holding unit. The outer cutter set and the inner cutter set are respectively provided with a positioning convex portion on one and a positioning concave portion on the other. The positioning convex portion can fit in the positioning concave portion such that the outer cutter set can be assembled with the inner cutter set only in a case where the outer cutter set and the inner cutter set are in a predetermined assembly position.
    Type: Application
    Filed: December 12, 2013
    Publication date: June 19, 2014
    Applicant: Izumi Products Company
    Inventors: Toshihiko OHARA, Hideaki KOIKE, Toshihide MIYASAKA
  • Publication number: 20140096397
    Abstract: A motorized shaving apparatus head and motorized shaving apparatus incorporating the same. In one embodiment, the invention is a shaving apparatus comprising: an elongated handle having a longitudinal axis; a power source; a head coupled to a distal end of the elongated handle, the head having a working surface with a longitudinal width of 40-44 mm and a transverse width of 14-16 mm; the working surface comprising a fixed blade having a cutting edge; a rotary cutter having cutting edges disposed within the head, the cutting edges of the rotary cutter positioned adjacent the cutting edge of the fixed blade so that a user's hairs are sheared between the cutting edge of the fixed blade and the cutting edges of the rotary cutter when the rotary cutter is rotating; and a motor operably coupled to the rotary cutter to rotate the rotary cutter about an axis.
    Type: Application
    Filed: December 9, 2013
    Publication date: April 10, 2014
    Applicant: Hybrid Razor LTD
    Inventor: Tsafrir BEN-ARI
  • Publication number: 20140047717
    Abstract: A shaving apparatus has at least one cutting unit (3) having an outer shaving surface (7) for contacting the skin, interrupted by hair entry apertures (8), an internal cutter (5) which is drivable for movement along the hair entry apertures (8) for cutting off hairs projecting through the hair entry apertures (8). A suspension member (6) via which the external cutter is suspended relative to the holder (2) is tiltable relative to the holder (2) about a tilting axis (17) located more closely to a first peripheral portion (18) of the shaving surface (7) than to a second peripheral portion (19) of the shaving surface (7) opposite to said first peripheral portion (18) of said shaving surface (7).
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: KONNKLIJKE PHILIPS N.V.
    Inventors: Ype Brada, Robert A. van Eibergen Santhagens, Wilko Westerhof
  • Publication number: 20130333220
    Abstract: A shaving apparatus having at least one cutting unit with an external cutting member and a rotatable internal cutting member each the external and internal cutting members having cooperating cutting edges forming bearing surfaces of a first bearing, and a second bearing with bearing surfaces. To minimize the friction between the cutting edges, a support device having visco-elastic properties is provided between the two bearings. During operation, the distance between the bearing surfaces of the first bearing adjusts to the distance between the bearing surfaces of the second bearing. During cutting of hairs, the support device behaves as a stiff element whereas during periods in which no hairs are cut, the support device behaves relatively soft so that the cutting gaps between the cutting edges are closed.
    Type: Application
    Filed: December 20, 2012
    Publication date: December 19, 2013
    Inventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
  • Patent number: 8601696
    Abstract: A motorized shaving apparatus head and motorized shaving apparatus incorporating the same. In one embodiment, the invention is a shaving apparatus including: an elongated handle having a longitudinal axis; a power source; a head coupled to a distal end of the elongated handle, the head having a working surface with a longitudinal width of 40-44 mm and a transverse width of 14-16 mm; the working surface comprising a fixed blade having a cutting edge; a rotary cutter having cutting edges disposed within the head, the cutting edges of the rotary cutter positioned adjacent the cutting edge of the fixed blade so that a user's hairs are sheared between the cutting edge of the fixed blade and the cutting edges of the rotary cutter when the rotary cutter is rotating; and a motor operably coupled to the rotary cutter to rotate the rotary cutter about an axis.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: December 10, 2013
    Assignee: Hybrid Razor Ltd
    Inventor: Tsafrir Ben-Ari
  • Patent number: 8601695
    Abstract: A shaving unit has at least one cutter (10, 12) for cutting hairs (11), a guide surface (4) extending closely adjacent the cutter or cutters (10, 12), and hair guides (3) projecting from the guide surface (4). The hair guides (3) bound channels (5) extending from an area spaced from the cutter or cutters (10, 12) towards the cutter or cutters (10, 12), and the hair guides each have a skin contact surface (6) facing away from the guide surface (4) and a surface (16) facing the guide surface (4), wherein the skin contact surface (6) is at least partially round and meets the surface (16) facing the guide surface (4) along a hair catching edge (7).
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: December 10, 2013
    Assignee: Koninklijke Philips N.V.
    Inventors: Marc Hamburg, Johan Bron, Geert Geertsma, Zorka Marcan, Everhardus Johannes Hoexum, Geert Visser, Alastair Ian Blake
  • Patent number: 8595939
    Abstract: A shaving apparatus includes at least one cutting unit having an outer shaving surface or contacting the skin, interrupted by hair entry apertures, and an internal cutter which is drivable for movement along the hair entry apertures for cutting off hairs projecting through the hair entry apertures. A suspension member, via which the external cutter is suspended relative to the holder, is tiltable relative to the holder about a tilting axis located more closely to a first peripheral portion of the shaving surface than to a second peripheral portion of the shaving surface opposite to the first peripheral portion of the shaving surface.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: December 3, 2013
    Assignee: Koninklijke Philips N.V.
    Inventors: Ype Brada, Robert Alexander van Eibergen Santhagens, Wilko Westerhof
  • Patent number: 8533960
    Abstract: An electrical device includes a housing having an electrical drive motor and a drive magnet mechanically coupled thereto; a sealing end wall sealing the motor and magnet within the housing; and a load device including a driven magnet magnetically coupled to the drive magnet through the sealing end wall. The driven magnet is included within a separate magnetic coupling unit attachable to and detachable from one end of the housing and mechanically coupled to the load device. The invention is particularly useful in electrical shavers for driving cutter holders. It may be embodied as an adapter for use with existing electrical shavers or other electrical devices driving loads.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: September 17, 2013
    Inventor: Benjamin J. Barish
  • Patent number: 8434233
    Abstract: An inner cutter, which is used for a rotary shaver, including a plurality of blade supports formed so as to be raised from an inner cutter main body and provided with cutter blades formed, respectively, at the tip ends of the raised blade supports, with positions where the blade supports are raised being located more forward in the direction of rotation of the inner cutter than the leading edge positions of the cutter blades.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: May 7, 2013
    Assignee: Izumi Products Company
    Inventor: Masaki Okabe
  • Patent number: 8397388
    Abstract: A shaver incorporating rotary cutters included in a rotary platform. The platform and rotary cutters are both rotated by a motor and gear chains housed within the shaver.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: March 19, 2013
    Inventor: Hy Steinberg
  • Patent number: 8393082
    Abstract: A rotary electric shaver including cutter units, each having an outer cutter and an inner cutter rotating in resilient contact with the inner surface of the outer cutter, further including a shaver head which is pivotably provided on the shaver main body; an outer cutter frame attached to the shaver head to support the outer cutters in a depressible fashion; a main drive shaft for transmitting, via a first universal joint, the rotation of a motor housed in the shaver main body to a driving mechanism provided inside the shaver head; inner cutter drive shafts provided in the shaver head and rotationally driven by the driving mechanism; and second universal joints for transmitting the rotation of the inner cutter drive shafts to the inner cutters; and in this shaver the first universal joint being disposed near the pivotal center of the shaver head.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: March 12, 2013
    Assignee: Izumi Products Company
    Inventor: Tetsuhiko Shimizu
  • Patent number: 8336211
    Abstract: Shaving apparatus having at least one cutting unit with an external cutting member and a rotatable internal cutting member each the external and internal cutting members having cooperating cutting edges forming bearing surfaces of a first bearing, and a second bearing with bearing surfaces. To minimize the friction between the cutting edges, a support device having visco-elastic properties is provided between the two bearings. During operation, the distance between the bearing surfaces of the first bearing adjusts to the distance between the bearing surfaces of the second bearing. During cutting of hairs, the support device behaves as a stiff element whereas during periods in which no hairs are cut, the support device behaves relatively soft so that the cutting gaps between the cutting edges are closed.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: December 25, 2012
    Assignee: Koninklijke Philips Electronics N.V
    Inventors: Bastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
  • Patent number: 8316546
    Abstract: A rotation drum type electric razor which includes a blade assembly (40) including a rotational shaft (100) which extends in a lengthwise direction; a plurality of rotational blade members (200) which are respectively formed into a cylindrical waterwheel shape having a plurality of blades (220) coupled to the rotational shaft (100) and in which a coupling protrusion (230) is formed at each end of the blades (220), and the blades (220) are fitted in turn to the rotational shaft (100) in the form of a zigzag shape.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: November 27, 2012
    Inventor: Tae-jun Oh
  • Patent number: 8307740
    Abstract: A cutter unit for a rotary shaver includes a series of cutters arranged in at least two rings around a central axis of a cutter unit. The rings are formed by forming two cutter discs, each with a plurality of cutters, and by nesting the discs, one into the other, in such way that their combined cutters form the at least two rings.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: November 13, 2012
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Willem Minkes, Paul-Rainer Viktor Karl Slesazeck
  • Patent number: 8296954
    Abstract: A shaver includes a shaving unit having e.g., three shaving elements. Each shaving element accommodates a cutter member for cutting off hairs. Each shaving element further accommodates a gear wheel which is part of a transmission for coupling a drive shaft for driving the cutter member to an output shaft of a motor of the shaver. A top side of a space where the gear wheel is located is covered by a partition, where only the drive shaft extends through this partition. Each shaving element can be individually opened by removing a top portion of the shaving element, including the cutter member, from a base portion of the shaving element where the gear wheel, the drive shaft and the partition are located. An opening system may be provided to open all the shaving elements in one action by reversal of the direction of rotation of the output shaft, for example.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: October 30, 2012
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Ronald Maarten Schneider, Johannes Cornelius Antonius Muller, Peter Adrianus Albert Kemps, Jacob Brinkert, Geert-Jan Darwinkel, Mattheus Jacobus Van Der Meer
  • Patent number: RE47515
    Abstract: A shaving device comprises a head structure (2) and a base structure (4). The head structure (2) is configured to retain and support at least one shaving head (30A, 30B, 30C). The head structure (2) is releasably retainable on the base structure (4). The base structure (4) is free of support elements in an area of an outer circumference of the head structure (2) such that the head structure (2), when coupled to the base structure (4), is not supported in the area of its outer circumference. The head structure (2), when coupled to the base structure (4), is substantially only retained on the base structure (4) by a retaining force provided by a retaining structure of the base structure (4).
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 16, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Wilko Westerhof, Mattheus Jacobus Van Der Meer, Albert Jan Aitink, Harold Wolf, Oege Smedinga
  • Patent number: RE47538
    Abstract: A shaving device comprises a head structure (2) and a base structure (4). The head structure (2) is configured to retain and support at least one shaving head (30A, 30B, 30C). The head structure (2) is releasably retainable on the base structure (4). The base structure (4) is free of support elements in an area of an outer circumference of the head structure (2) such that the head structure (2), when coupled to the base structure (4), is not supported in the area of its outer circumference. The head structure (2), when coupled to the base structure (4), is substantially only retained on the base structure (4) by a retaining force provided by a retaining structure of the base structure (4).
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: July 30, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Wilko Westerhof, Mattheus Jacobus Van Der Meer, Albert Jan Aitink, Harold Wolf, Oege Smedinga
  • Patent number: RE48352
    Abstract: A shaving device comprises a head structure (2) and a base structure (4). The head structure (2) is configured to retain and support at least one shaving head (30A, 30B, 30C). The head structure (2) is releasably retainable on the base structure (4). The base structure (4) is free of support elements in an area of an outer circumference of the head structure (2) such that the head structure (2), when coupled to the base structure (4), is not supported in the area of its outer circumference. The head structure (2), when coupled to the base structure (4), is substantially only retained on the base structure (4) by a retaining force provided by a retaining structure of the base structure (4).
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 15, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Wilko Westerhof, Mattheus Jacobus Van Der Meer, Albert Jan Aitink, Harold Wolf, Oege Smedinga