Patents by Inventor Hans Labrijn

Hans Labrijn 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).

  • Patent number: 5052106
    Abstract: An electric shaver is provided with a shaving part for short hair and a trimmer for long hair which can be moved relative to the shaving part, one wall of the shaver having a first control element which is coupled to an ON/OFF switching device for a drive mechanism, and another wall of the shaver having a second control element for movement of the trimmer. The shaver is provided with a third control element which is situated near the second control element, and which is also coupled to an ON/OFF switch for the drive mechanism.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: October 1, 1991
    Assignee: U.S. Philips Corp.
    Inventor: Hans Labrijn
  • Patent number: 5031315
    Abstract: A dry-shaving apparatus having a drivable shaving member is provided with a separately drivable vibration device for cleaning purposes.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: July 16, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Hans Labrijn
  • Patent number: 4934051
    Abstract: A shaving apparatus is provided which comprises a housing having a detachable shaving head which has at least one opening for a shaving unit, which shaving unit comprises an external shaving member formed with hair entry apertures, and an internal shaving member which is drivable relative to the external shaving member. Inside the shaving head a retaining plate is arranged, to which plate the external shaving member is detachably secured, the internal shaving member being retained between the external shaving member and the retaining plate. The retaining plate is secured to the housing so as to be detachable independently of the shaving head and the shaving head is movable both relative to the housing and relative to the retaining plate with the shaving members.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: June 19, 1990
    Assignee: U.S. Philips Corp.
    Inventor: Hans Labrijn
  • Patent number: 4918819
    Abstract: An electric shaving apparatus comprises at least one drivable shaving member, a first housing section which accommodates the drive mechanism for the shaving member and a detachable second housing section which accommodates an electric power source, for example a rechargeable battery, a switching device, which comprises an actuating member, being arranged in an electric circuit which also includes the drive mechanism and the power source and a contact member. The actuating member is arranged on a wall of the first housing section and is detachably coupled to the contact member in the second housing section by mechanical means.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: April 24, 1990
    Assignee: U.S. Philips Corp.
    Inventor: Hans Labrijn
  • Patent number: 4910869
    Abstract: The invention relates to a shaving apparatus comprising a housing which can be used as a grip and a shaving head comprising at least one shaving unit, the shaving unit being inclined relative to the housing, which shaving unit comprises a stationary shaving member with hair-entry apertures and a rotatable shaving member, the rotatable shaving member being coupled to an electric motor by means of a drive spindle comprising two portions which are pivotable relative to one another, i.e. a first drive-spindle portion coupled to the rotatable shaving member and a second drive-spindle portion coupled to the motor. The housing is provided with a bearing by means of which the first drive-spindle portion is held in an inclined position relative to the second drive-spindle portion.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: March 27, 1990
    Assignee: U.S. Philips Corp.
    Inventor: Hans Labrijn
  • Patent number: 4903404
    Abstract: The invention relates to a shaving apparatus comprising a housing, at least one shaving unit and a trimmer, which is movable relative to the housing between an operational position and an operating position by means of a push-button, a spring being arranged between the trimmer frame and the housing. The housing is provided with a pivotable catch having a hook-shaped end which engages behind the latching projection on the trimmer frame in the rest position, and which is situated before the latching projection in the operational position, and around the latching projection the trimmer frame is provided with guide walls which define a forward path and a return path for the hook-shaped end.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: February 27, 1990
    Assignee: U.S. Philips Corp.
    Inventor: Hans Labrijn
  • Patent number: 4698908
    Abstract: A shaving apparatus comprises a housing having a top surface, and a holder together with a retaining element provided with three triangularly arranged cutting units. Provision is made for engaging the retaining element with the holder with the cutting units therebetween to form a unitary body detachable from the top surface of the housing. Three stepped recesses are arranged 120.degree. apart in the peripheral wall of the retaining element, each recess having two steps. Three stops are arranged 120.degree. apart on the top surface of the housing. The holder body can be mounted on the housing in three positions, the stops on the housing engaging one of the two steps in the retaining element recesses in each of two of such positions and engaging the peripheral wall of the retaining element in the remaining position, the axial distance between the retaining element and the holder thereby being varied.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: October 13, 1987
    Assignee: U.S. Philips Corporation
    Inventors: Wijtse Bergsma, Hans Labrijn, Olivier Sterk