Patents by Inventor Tertius F. Dreyer

Tertius F. Dreyer 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).

  • Conveyor idler
    Patent number: 6527097
    Abstract: A conveyor idler includes a sleeve having an outer surface and an inner surface, a shaft about which the sleeve can rotate in a forward direction, a locking mechanism for preventing the sleeve from rotating in a reverse direction, but which locking mechanism permits rotation of the sleeve in the forward direction, the locking mechanism being located within the sleeve and having a shaft member fixed to the shaft, with at least one locking member which can move between an unlocked position in which the sleeve can rotate in the forward direction and a locked position in which the locking member locks the sleeve to the shaft member to prevent rotation of the sleeve in the reverse direction.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: March 4, 2003
    Assignee: Rollerbrak (Proprietary) Limited
    Inventor: Tertius F. Dreyer
  • Conveyor idler
    Publication number: 20020066648
    Abstract: A conveyor idler includes a sleeve having an outer surface and an inner surface, a shaft about which the sleeve can rotate in a forward direction, a locking mechanism for preventing the sleeve from rotating in a reverse direction, but which locking mechanism permits rotation of the sleeve in the forward direction, the locking mechanism being located within the sleeve and having a shaft member fixed to the shaft, with at least one locking member which can move between an unlocked position in which the sleeve can rotate in the forward direction and a locked position in which the locking member locks the sleeve to the shaft member to prevent rotation of the sleeve in the reverse direction.
    Type: Application
    Filed: December 3, 2001
    Publication date: June 6, 2002
    Inventor: Tertius F. Dreyer
  • Conveyer idler
    Patent number: RE40766
    Abstract: A conveyor idler includes a sleeve having an outer surface and an inner surface, a shaft about which the sleeve can rotate in a forward direction, a locking mechanism for preventing the sleeve from rotating in a reverse direction, but which locking mechanism permits rotation of the sleeve in the forward direction, the locking mechanism being located within the sleeve and having a shaft member fixed to the shaft, with at least one locking member which can move between an unlocked position in which the sleeve can rotate in the forward direction and a locked position in which the locking member locks the sleeve to the shaft member to prevent rotation of the sleeve in the reverse direction.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: June 23, 2009
    Assignee: Rollerbrake (Proprietary) Limited
    Inventor: Tertius F. Dreyer