Patents Assigned to J. de Reus B.V.
  • Patent number: 4411330
    Abstract: A stair-climbing apparatus for a wheel chair or the like mobile transport means, which apparatus is provided with an undercarriage, a plurality of pulleys mounted in the undercarriage, at least one endless track extending along a way defined by at least two pulleys, a drive mechanism adapted for engagement of at least one of the pulleys and a frame for supporting the wheel chair or a similar mobile transport means, whereby the frame comprises a platform which relatively to the undercarriage is adapted for swiveling movement about a shaft extending at the climbing side of the undercarriage parallel to the pulley axes through drive means adapted for coaction with a steering mechanism which is adapted for keeping the platform horizontal independently of the position of the undercarriage. The drive mechanism is retarded when the platform deviates a set angle from the horizontal.
    Type: Grant
    Filed: August 20, 1981
    Date of Patent: October 25, 1983
    Assignee: J. de Reus B.V.
    Inventor: Adriaan Blokland