Patents by Inventor Sheldon D. Pollow

Sheldon D. Pollow 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).

  • Brake released clutch mechanism
    Patent number: 4669590
    Abstract: A clutch mechanism between rotating drive and driven members particularly for smaller horsepower applications. A drum is carried on the drive member. The driven member carries clutch shoes that are movable into and out of engagement with the drum. Springs are provided for effecting movement of the shoes into engagement with the drum to drivingly clutch the drive and driven members together. A brake band is provided for selectively effecting movement of the shoes out of engagement with the drum and to stop rotation of the driven member without interrupting the rotation of the drive member.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: June 2, 1987
    Inventors: Hugh A. Zindler, Sheldon D. Pollow