Patents by Inventor Ahti Heinonen

Ahti Heinonen 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: 4564969
    Abstract: The means for cleaning a floor comprises a shaft (1), a frame (2) and a cleaning part (3) detachably attached to the frame. A drawback of prior art is the awkward affixing and detaching of the cleaning part. As taught by the invention, the frame has been provided with an end part 10 which is movable with reference to the frame and which has been arranged to press against the frame during the detaching and affixing operations and which has been disposed to fix the cleaning part when the ends (5, 14) of the frame is placed into the pockets (7', 7) of the cleaning part.
    Type: Grant
    Filed: May 3, 1984
    Date of Patent: January 21, 1986
    Inventor: Ahti Heinonen
  • Patent number: 4479278
    Abstract: A scrubbing means, comprising a shaft (1) consisting of an outer tube (2) and within this a movable inner shaft (3), the outer tube and inner shaft being provided with fixing heads (4,5); and a mop (6) composed of mop threads (7); the mop being attached on one hand to the outer tube and on the other hand to the inner shaft to be wrung dry with the aid of the fixing heads by rotating the outer tube and inner shaft with reference to each other.The fixing head (4) of the outer tube (1) comprises a tapered fixing member (8) expanding in the direction of the fixing head and provided with external radial shoulders (9), and the mop (3) is attached to the fixing member by means of an annular tie member (10), the circumferential dimension of which is less than the largest circumferential dimension of the fixing member.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: October 30, 1984
    Inventor: Ahti Heinonen