Patents by Inventor Alwin William DE VRIES

Alwin William DE VRIES has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240083046
    Abstract: According to an aspect, there is provided a comb attachment for a blade system, the comb attachment comprising a rack component and a pinion assembly. The rack component is defined by one of a comb and a housing and comprises a rack. The housing is configured to attach to the blade system, and the pinion assembly comprises a pinion component defined by the other of the comb and the housing. The pinion assembly further comprises an axle retained by the pinion component, and a pinion disposed on the axle such that the pinion is rotatable with respect to the pinion component. The rack and the pinion are arranged to cooperate such that rotation of the pinion on the axle induces relative linear movement between the comb and the housing.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 14, 2024
    Inventors: MARCUS FRANCISCUS EIJKELKAMP, ALWIN WILLIAM DE VRIES, MARCUS CORNELIS PETRELLI, THEODOOR RENÉ MARIA HIN, PIETER KINGMA
  • Patent number: 11858153
    Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: January 2, 2024
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Luca Iaccarino, Theunis Quaak, Kam Hing Yau, Rob Roetert, Alwin William De Vries
  • Patent number: 11826922
    Abstract: A coupling assembly is provided which includes a coupling element and a retaining member. One of the coupling element and the retaining member includes at least one cam element and another of the coupling element and the retaining member includes at least one notch. Both the cam element and the notch have two oppositely sloped surfaces. In a coupled position of the coupling assembly, the cam element and the notch only contact each other at two sides through the sloped surfaces at the position of a contact portion at a base of the cam element and an associated contact portion of the notch at an open side of the notch.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: November 28, 2023
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Alwin William De Vries, Marc Alexander Pastoors, Marcus Cornelis Petrelli
  • Publication number: 20230020301
    Abstract: A shaving unit (3) for use in a shaving device comprises a supporting member (5) and at least two hair-cutting units (6) connected to the supporting member (5), wherein each hair-cutting unit (6) comprises an external cutting member (10), a skin-supporting member (40) having a skin-supporting surface (41) at least partially surrounding the external cutting member (10), and an internal cutting member (20). Further, in each hair-cutting unit (6), the skin-supporting member (40) is pivotable relative to the supporting member (5) about both a first pivot axis (42) and a second pivot axis (43), independently from the skin-supporting members (40) of the other hair-cutting units (6), wherein the respective pivot axes (42, 43) are perpendicular relative to each other, and wherein a total range of a pivot angle over which the skin-supporting member (40) is pivotable about the second pivot axis (43) is equal to or larger than 15°.
    Type: Application
    Filed: December 23, 2020
    Publication date: January 19, 2023
    Inventor: Alwin William DE VRIES
  • Publication number: 20220402153
    Abstract: A shaver head (12) for an electric shaver (10) has at least two hair-cutting units (13), each comprising an external cutting member and an internal cutting member which is rotatable relative to the external cutting member, and each supported by a supporting portion (26). The supporting portion is linearly movable under the bias of a spring member (30) relative to a base portion (20) of the shaver head between a first, retracted, position and a second, extended, position. The shaver head has a locking mechanism (30, 32) for selectively locking the supporting portion in a locked position relative to the base portion. This allows a user to select different shaving modes.
    Type: Application
    Filed: November 25, 2020
    Publication date: December 22, 2022
    Inventors: Geert-Jan DARWINKEL, Alwin William DE VRIES, Ivar BOSMA, Marcus Cornelis PETRELLI
  • Publication number: 20220152851
    Abstract: A spacing comb for a hair cutting appliance. The comb includes a support frame, a series of comb teeth each having a frontal portion and a rear portion, wherein the comb teeth extend from the support frame. The support frame includes a frontal connector bar and a rear connector plate, wherein the frontal portions of the comb teeth extend from the frontal connector bar. The frontal connector bar is inwardly curved towards the rear connector plate, such that a central portion of the frontal connector bar is rearwardly offset from lateral portions thereof. Also described herein is a hair cutting appliance that is equipped with such a spacing comb.
    Type: Application
    Filed: February 3, 2022
    Publication date: May 19, 2022
    Inventors: Luca IACCARINO, Theunis QUAAK, Kam Hing YAU, Rob ROETERT, Alwin William DE VRIES
  • Patent number: 11331820
    Abstract: A motion transmission unit for a drive train of a hair cutting appliance includes an input shaft, an eccentric portion, a motion converter, and a tilting lever that engages a driving portion of a blade set. The motion converter is arranged between the input shaft and the tilting lever. The eccentric portion engages a motion converter input interface. A motion converter output interface engages the tilting lever input interface and includes a cylindrical portion defining a cylinder axis parallel to a swivel axis of the tilting lever. A tilting lever output interface includes a head portion defining a cylinder axis parallel to a swivel axis of the tilting lever. The cylinder axis of the head portion and the cylinder axis of the cylindrical portion are parallel to the swivel axis.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: May 17, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Marcus Cornelis Petrelli, Alwin William De Vries
  • Publication number: 20220143851
    Abstract: For releasably coupling a body and a head of a personal care appliance, a coupling assembly is provided which comprises a coupling element and a retaining member. One of the coupling element and the retaining member comprises at least one cam element (55) and another of the coupling element and the retaining member comprises at least one notch (46). Both the cam element (55) and the notch (46) have two oppositely sloped surfaces (48; 57). In a coupled position of the coupling assembly, the cam element (55) and the notch (46) only contact each other at two sides through their sloped surfaces (48; 57) at the position of a contact portion (55a) at a base of the cam element (55) and an associated contact portion (46a) of the notch (46) at an open side of the notch (46).
    Type: Application
    Filed: July 13, 2020
    Publication date: May 12, 2022
    Inventors: Alwin William DE VRIES, Marc Alexander PASTOORS, Marcus Cornelis PETRELLI
  • Patent number: 11312032
    Abstract: The present disclosure relates to spacing comb (70) for a hair cutting appliance (10), the comb (70) comprising a support frame (72), a series of comb teeth (76) each having a frontal portion (78) and a rear portion (80), wherein the comb teeth (76) extend from the support frame (72), wherein the support frame (72) comprises a frontal connector bar (100) and a rear connector plate (102), wherein the frontal portions (78) of the comb teeth (76) extend from the frontal connector bar (100), and wherein the frontal connector bar (100) is inwardly curved towards the rear connector plate (102), such that a central portion (110) of the frontal connector bar (100) is rearwardly offset from lateral portions (112, 114) thereof. The present disclosure further relates to a hair cutting appliance (10) that is equipped with a spacing comb (70).
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: April 26, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Luca Iaccarino, Theunis Quaak, Kam Hing Yau, Rob Roetert, Alwin William De Vries
  • Patent number: 11260549
    Abstract: A shaver for a shaving apparatus includes at least first and second cutters which respectively have first and second external cutting members with a plurality of hair entry openings which define, respectively, first and second shaving tracks. The cutters each have an internal cutting member which is respectively rotatable relative to the corresponding external cutting member about first and second axis of rotation. The internal cutting members are respectively connected to first and second driven transmission element via first and second drive spindles. The driven transmission elements are included in a transmission unit, where the drive spindles extend from the transmission unit via an open space, which is present between the transmission unit and the cutting units, and respectively pass through an opening in a bottom wall of a first housing of the first cutting unit and a second housing of the second cutting unit.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: March 1, 2022
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Reinder Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
  • Patent number: 11186000
    Abstract: A shaving unit for a shaving apparatus has at least two cutting units each including an external cutting member having hair entry openings and an internal cutting member which is rotatable relative to the external cutting member about an axis of rotation. Each cutting unit has a housing accommodating a hair collection chamber. A cover portion of the housing is releasably coupled to a base portion. The external and internal cutting members are held in an operating position in the cover portion by a holding component which is releasably coupled to the cover portion. The base portion of the housing of each cutting unit has a supporting structure where, in the closed position of the housing, the external cutting member is directly supported by the supporting structure at least in an axial direction parallel to the axis of rotation.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: November 30, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Reinder Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
  • Patent number: 11154996
    Abstract: The invention relates to a shaving unit for a shaving apparatus The apparatus including at least a first cutting unit and a second cutting unit, where each of the first and second cutting units respectively include external cutting members having a plurality of hair entry openings and further respectively include internal cutting members which are rotatable relative the respective external cutting members about respective axes of rotation. The first and second internal cutting members being connected to a transmission unit via, respective first and second drive spindles. Each of the first and second cutting units including a housing having a bottom wall including an opening in fluid communication with a hair collection chamber in the housing.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: October 26, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Reinier Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
  • Patent number: 10933545
    Abstract: A shaving unit for a shaving apparatus includes at least first and second cutting units which respectively include first and second external cutting members having a plurality of hair entry openings respectively defining first and second shaving tracks. The cutting units further include first and second internal cutting members which are rotatable relative to, respectively, the first and the second external cutting members about first and second axis of rotations, respectively. The first cutting unit is pivotal about a first primary pivot axis which, seen in a direction parallel to the first axis of rotation, is arranged between the first shaving track and the second axis of rotation. Similarly, the second cutting unit is pivotal about a second primary pivot axis which, seen in a direction parallel to the second axis of rotation, is arranged between the second shaving track and the first axis of rotation.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: March 2, 2021
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Reinier Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli, Fokke Roelof Voorhorst
  • Publication number: 20200189133
    Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least two cutting units (10a, 10b), wherein the cutting units each comprise an external cutting member (12) having a plurality of hair entry openings (13) and an internal cutting member (480) which is rotatable relative to the external cutting member about an axis of rotation. The cutting units each comprise a housing (20) accommodating a hair collection chamber, the housing comprising a base portion (551) and a cover portion (530) which is releasably coupled to the base portion, wherein the external cutting member and the internal cutting member are held in an operating position in the cover portion by means of a holding component (517) which is releasably coupled to the cover portion.
    Type: Application
    Filed: January 23, 2018
    Publication date: June 18, 2020
    Inventors: Reinder Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI
  • Publication number: 20200180175
    Abstract: The present disclosure relates to a motion transmission unit (40) for a drive train (30) of a hair cutting appliance (10) and to a hair cutting appliance (10), the unit (40) comprising an input shaft (42) defining a longitudinal axis (44) and comprising an eccentric portion (68) that is arranged to revolve about the longitudinal axis (44) when the input shaft (42) is rotated, a motion converter (44) comprising a motion converter input interface (74) and a motion converter output interface (76), and a tilting lever (46) that is pivotably mounted and comprises a tilting lever input interface (80) and a tilting lever output interface (82) that engages a driving portion (86) of a blade set (16) of the appliance (10), wherein the motion converter (44) is arranged between the input shaft (42) and the tilting lever, wherein the eccentric portion (68) of the input shaft (42) engages the motion converter input interface (74), wherein the motion converter output interface (76) engages the tilting lever input interface
    Type: Application
    Filed: July 2, 2018
    Publication date: June 11, 2020
    Inventors: Marcus Cornelis PETRELLI, Alwin William DE VRIES
  • Publication number: 20190389084
    Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least a first cutting unit (10a) and a second cutting unit (10b), wherein said first and second cutting units respectively comprise a first and a second external cutting member (12) having a plurality of hair entry openings (13) which define, respectively, a first and a second shaving track (11a, 11b), and a first and a second internal cutting member which is rotatable relative to the first and the second external cutting member about a first and a second axis of rotation (6a, 6b), respectively, wherein the first and the second internal cutting members are connected to, respectively, a first and a second driven transmission element via a first and a second drive spindle (40a, 40b), wherein the first and the second driven transmission elements are comprised in a transmission unit (60), wherein the first and the second drive spindles extend from the transmission unit via an open space, which is present between the transmission unit a
    Type: Application
    Filed: January 25, 2018
    Publication date: December 26, 2019
    Inventors: Reinder Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI
  • Publication number: 20190381680
    Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least a first cutting unit (110a) and a second cutting unit (110b), wherein said first and second cutting units respectively comprise a first and a second external cutting member (114a, 114b) having a plurality of hair entry openings which respectively define a first and a second shaving track (161a, 161b), and a first and a second internal cutting member which is rotatable relative to, respectively, the first and the second external cutting member about a first and a second axis of rotation (106a, 106b), respectively, wherein the first cutting unit is pivotal about a first primary pivot axis (101a) which, seen in a direction parallel to the first axis of rotation, is arranged between the first shaving track and the second axis of rotation, and wherein the second cutting unit is pivotal about a second primary pivot axis (101b) which, seen in a direction parallel to the second axis of rotation, is arranged between the second shaving
    Type: Application
    Filed: January 27, 2017
    Publication date: December 19, 2019
    Inventors: Reinier Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI, Fokke Roelof VOORHORST
  • Publication number: 20190337171
    Abstract: The invention relates to a shaving unit for a shaving apparatus, comprising at least a first cutting unit (410a) and a second cutting unit (410b), wherein said first and second cutting units respectively comprise a first and a second external cutting member (460a), (460b) having a plurality of hair entry openings and a first and a second internal cutting member (480a), (480b) which is rotatable relative to, respectively, the first and the second external cutting member about, respectively, a first and a second axis of rotation (406a), (406b). The first and second internal cutting members are connected to a transmission unit via, respectively, a first and a second drive (spindle (476a), (476b). The cutting units each comprise a housing (420a) having a bottom wall (424a) which comprises an opening (425a) which is in fluid communication with a hair collection chamber (427a) in the housing.
    Type: Application
    Filed: January 29, 2018
    Publication date: November 7, 2019
    Inventors: Reinier Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI