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: 20240083046Abstract: 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: ApplicationFiled: January 25, 2022Publication date: March 14, 2024Inventors: MARCUS FRANCISCUS EIJKELKAMP, ALWIN WILLIAM DE VRIES, MARCUS CORNELIS PETRELLI, THEODOOR RENÉ MARIA HIN, PIETER KINGMA
-
Patent number: 11858153Abstract: 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: GrantFiled: February 3, 2022Date of Patent: January 2, 2024Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Luca Iaccarino, Theunis Quaak, Kam Hing Yau, Rob Roetert, Alwin William De Vries
-
Patent number: 11826922Abstract: 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: GrantFiled: July 13, 2020Date of Patent: November 28, 2023Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Alwin William De Vries, Marc Alexander Pastoors, Marcus Cornelis Petrelli
-
Publication number: 20230020301Abstract: 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: ApplicationFiled: December 23, 2020Publication date: January 19, 2023Inventor: Alwin William DE VRIES
-
Publication number: 20220402153Abstract: 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: ApplicationFiled: November 25, 2020Publication date: December 22, 2022Inventors: Geert-Jan DARWINKEL, Alwin William DE VRIES, Ivar BOSMA, Marcus Cornelis PETRELLI
-
Publication number: 20220152851Abstract: 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: ApplicationFiled: February 3, 2022Publication date: May 19, 2022Inventors: Luca IACCARINO, Theunis QUAAK, Kam Hing YAU, Rob ROETERT, Alwin William DE VRIES
-
Patent number: 11331820Abstract: 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: GrantFiled: July 2, 2018Date of Patent: May 17, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Marcus Cornelis Petrelli, Alwin William De Vries
-
Publication number: 20220143851Abstract: 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: ApplicationFiled: July 13, 2020Publication date: May 12, 2022Inventors: Alwin William DE VRIES, Marc Alexander PASTOORS, Marcus Cornelis PETRELLI
-
Patent number: 11312032Abstract: 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: GrantFiled: May 14, 2018Date of Patent: April 26, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Luca Iaccarino, Theunis Quaak, Kam Hing Yau, Rob Roetert, Alwin William De Vries
-
Patent number: 11260549Abstract: 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: GrantFiled: January 25, 2018Date of Patent: March 1, 2022Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Reinder Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
-
Patent number: 11186000Abstract: 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: GrantFiled: January 23, 2018Date of Patent: November 30, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Reinder Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
-
Patent number: 11154996Abstract: 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: GrantFiled: January 29, 2018Date of Patent: October 26, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Reinier Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli
-
Patent number: 10933545Abstract: 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: GrantFiled: January 23, 2018Date of Patent: March 2, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Reinier Niels Lap, Alwin William De Vries, Marcus Cornelis Petrelli, Fokke Roelof Voorhorst
-
Publication number: 20200189133Abstract: 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: ApplicationFiled: January 23, 2018Publication date: June 18, 2020Inventors: Reinder Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI
-
Publication number: 20200180175Abstract: 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 interfaceType: ApplicationFiled: July 2, 2018Publication date: June 11, 2020Inventors: Marcus Cornelis PETRELLI, Alwin William DE VRIES
-
Publication number: 20190389084Abstract: 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 aType: ApplicationFiled: January 25, 2018Publication date: December 26, 2019Inventors: Reinder Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI
-
Publication number: 20190381680Abstract: 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 shavingType: ApplicationFiled: January 27, 2017Publication date: December 19, 2019Inventors: Reinier Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI, Fokke Roelof VOORHORST
-
Publication number: 20190337171Abstract: 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: ApplicationFiled: January 29, 2018Publication date: November 7, 2019Inventors: Reinier Niels LAP, Alwin William DE VRIES, Marcus Cornelis PETRELLI