Grooving Log Patents (Class 144/136.7)
  • Patent number: 11780110
    Abstract: A sawmill for sawing a log segment in two through the core thereof and a method of sawing a log in half through the core thereof. The sawmill includes a log feed conveyor configured for feeding logs to a band saw and a log positioning rig, the band saw being disposed on a movable carriage of a fixed frame, the band saw being configured for sawing a log from a first end of the log to a distal end of the log. The log positioning rig has a reciprocating cradle having a plurality of spaced-apart cradle segments. The reciprocating cradle is pivotally attached to the fixed frame, and is configured for raising or lowering the first end of the log to align the central core of the log along the length of the log with a blade of the band saw.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: October 10, 2023
    Inventor: Charles R. Collier
  • Patent number: 6427733
    Abstract: A portable device for cutting stand grooves in the trunk of a cut tree, including a frame, a pair of wheels rotatably secured to one end of the frame, and a hitch fixed to the other end of the frame. A support at the frame one end includes a first trunk support with two support surfaces downwardly tapered together to an intersection to define a notch therebetween for supporting a cut end of a cut tree trunk and a cutting element for cutting stand grooves in a trunk of a supported tree. A horizontal track on the frame extends toward and away from the frame one end support. An upright support member is selectively movable along a track on the frame toward and away from the first trunk support, and secures a second trunk support above the frame for supporting another portion of a cut tree trunk spaced from the cut tree trunk cut end.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: August 6, 2002
    Assignee: Berens Enterprises Inc.
    Inventors: Heinrich B. Dickhut, Christopher H. Dickhut, William J. Dickhut