|4918799||Method and apparatus for forming stringers for free-standing circular staircases|
A structure on which stringers for a free-standing circular staircase are formed in accordance with a time-saving method is disclosed. The structure comprises upper and lower metal patterns connected by vertical beams. The patterns have a plurality of ray...
|4688612||Machine for cutting and finishing curved wooden members with cut-off and routing attachments|
A machine for precision cutting and finishing of curved wooden members, includes a generally vertically disposed column; a support assembly including a plurality of spaced, relatively narrow support guides; a radially adjustable clamping assembly on each ...