Woodworking inventions 12/07

20070289672 - Woodturning tool: A woodturning tool for creating containers has a first rigid arm, and a second rigid arm. The first rigid arm has two ends with a cutting blade at the first end. The second rigid arm has two ends with a guiding device at the first end. The cutting blade and... Agent: Hammer & Hanf, PC

20070289673 - Automatic clipping line: A method and apparatus for trimming the edges of sheets including providing a conveyor, a first saw and a second saw, first conveying the sheets on the conveyor past the first saw, trimming a first side edge of the sheets, and then conveying the sheets on the conveyor past the... Agent: Barnes & Thornburg LLP

20070289674 - Method for determining span lengths based on properties of lumber: Methods for determining appropriate span lengths for a given piece of lumber for use as a joist and conveying that information to a user are provided. The appropriate span length may be a function of load type, amount of load, bending stiffness, joist spacing, or the like. The span lengths... Agent: Weyerhaeuser Company Intellectual Property Dept., Ch 1j27

20070284017 - Worktable that is extendible in two steps: A worktable includes two first rails arranged in parallel on a base, two guide rods movable along the first rails in a first direction and a second direction reversed to the first direction, two second rails respectively slidably coupled to the guide rods, a sliding plate fixedly mounted on the... Agent: Bacon & Thomas, PLLC