Patents by Inventor Hubert Fisher

Hubert Fisher 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: 6146303
    Abstract: The objective of the invention is a drive unit for a hoist, in particular for a hoist consisting of a motor 3, a gear 1, a brake 2, and a brake housing 8 serving as support, onto which the facing of the motor and/or the gear is flanged. The drive unit has a shaft 6, which simultaneously serves as a motor shaft and as a gear shaft, and the brake body 2 within the brake housing 8 is fastened to the shaft. Preferably, the motor 3 and/or the gear 1 are flanged, unsupported, to both sides of the brake housing 8. The construction according to the invention significantly shortens the total length of the drive unit. Furthermore, the installation and assembly costs in money, time, and materials are decreased.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: November 14, 2000
    Assignee: Wittur AG
    Inventors: Horst Wittur, Hubert Fisher