Patents by Inventor David W. Whalen

David W. Whalen 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: 5524776
    Abstract: A low inclination push back storage rack system is described, the system having a plurality of storage lanes, each storage lane being equipped with one or more rectangular carriages to transport a pallet load from a front loading position to a rear storage position. Each carriage is provided with axles on which wheels having notches about their peripheral circumference are mounted. The wheels are typically V groove wheels. The V groove wheels of each carriage roll on parallel spaced apart rounded elongated rods, the V groove wheels on one side of the carriage rolling on one elongated rod, the V groove wheels on the other side of the carriage rolling on another elongated rod. The carriages wheels are supported and guided by the elongated rounded rods. The spaced apart parallel rounded elongated rods are supported by spaced apart rod support members extending from the front of the storage lane to the rear of the storage lane.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: June 11, 1996
    Inventors: Roger W. Hall, Harold J. Reiter, David W. Whalen