Patents by Inventor Dan R. Cantrell

Dan R. Cantrell 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).

  • Roller and track arrangement for sliding members, and structures embodying such arangements
    Patent number: 5368396
    Abstract: A roller and track arrangement for sliding members, has an elongate track with one or more slots extending into the track. Each slot has a first position at its outer end and an enlarged portion toward its inner end. Support members extend into the slot or slots. Rollers on the support members are positioned in the enlarged portions. The enlarged portions can be circular in cross-section with ovoid rollers. The enlarged portions can also be elongate in cross-section. The rollers can then be spherical. A particular use is for telescopic sliding roof sections for an open back truck. Tracks are mounted on the top edges of the truck side walls. The roof sections extend into the slots and carry the rollers. Seals for the slots and between ends of the roof sections can be provided.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: November 29, 1994
    Inventor: Dan R. Cantrell