Patents by Inventor Simon Kraft

Simon Kraft 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: 4892437
    Abstract: A concrete finishing float for finishing wet concrete consists of a long, detachable handle assembly which is attached to a float by means of an incline adjusting mechanism. This mechanism allows the user from a remote location by the use of a long handled shaft to alter the incline of the float in relation to the handle assembly while the float is in use by axially rotating the handle assembly. The incline adjusting mechanism includes a rod which connects the handle receiving member to the float. Axial rotation of the handle causes the rod to move the float relative to the handle.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: January 9, 1990
    Inventor: Simon Kraft
  • Patent number: 4856932
    Abstract: A long-handled float device for leveling wet concrete includes mechanism attaching a handle to a float which is adapted to allow a user to adjust the relative angle between the float and the handle. The adapter connecting the shaft to the float includes a yoke, a yoke shaft coupler, a sleeve through which a sleeve guide shaft passes, and a link arm which connects the sleeve to the yoke. Rotation of the handle about its own axis causes sleeve guide shaft rotation which causes movement of the sleeve along the guide shaft axis which is transmitted to the yoke via a link arm causing the angular relationship between the float and the handle to change. By such adjustment, the user may tilt the front float edge upward when the assembly is pushed away from the user. Upon reversing direction, the user may tilt the back float edge upward.
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: August 15, 1989
    Inventor: Simon Kraft