Patents by Inventor Petronella H. Den Ouden

Petronella H. Den Ouden 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).

  • Disc-type depilation apparatus with force transmission studs
    Patent number: 5462557
    Abstract: A depilation apparatus including a number of pinching discs (35) which are coupled to a drive shaft (7) in positions which are mutually rotated through 120.degree. about the drive shaft (7) is provided. Each pair of adjoining pinching discs (35) is pivotable under the influence of a compression member (83) into a pinching position in which two cooperating pinching surfaces (67, 63) exert a pinching force on one another. The pivot axis (113) of each pair of pinching discs (35) is determined by a stud part (55b) of a bipartite stud (55) of one of the two pinching discs (35) and by the mutually facing steps (41) of the two pinching discs (35). The cooperating pinching surfaces (67, 63) are supported on either side in the pinching position by the stud parts (55b) and (55a), respectively, of the bipartite studs (55) of the adjoining pinching discs (35), so that a substantially straight force transmission path is created in the pinching position.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: October 31, 1995
    Assignee: U.S. Philips Corporation
    Inventors: Hermann Jordan, Erich Krammer, Johann T. Rogatschnig, Petronella H. Den Ouden, Francis J. Span