Positioning and retaining device system for logs in a high capacity sawmill employing a horizontal traversing bandsaw adjustably mounted over the log being sawed

Claim 1

IN A SAWMILL HAVING A HORIZONTAL BANDSAW WHICH TRAVERSES IN SAWING UPON PAIRED SIDE RAILS WHICH STRADDLE A LOG, A MECHANISM TO ADJUSTABLY SUPPORT SAID RAILS AS DESIRED TO SAW DIMENSIONS OF LUMBER FROM SAID LOG, AND A LOG CARRIAGE TO SUPPORT THE LOG; A LOG CARRIAGE COMPRISING POWERABLE AND REVERSIBLE ROLLS IN A ROLL CASE ALIGNED BENEATH AND WITH SAID RAILS, AND A NUMBER OF LOG ENGAGING VISES HAVING PAIRED LATERALLY OPENING JAWS EXTENDING UPWARD THROUGH THE ROLL CASE BETWEEN THE ROLLS AT APPROPRIATE INTERVALS BENEATH AND BETWEEN SAID RAILS, A MEANS IN EACH SAID VISE OPERATING THE JAWS THEREOF SO THE LOG WILL BE HELD IN A CENTERED POSITION UNDER THE SAW, AND A MEANS TO RAISE AND LOWER SAID VISES FROM THEIR POSITIONS BETWEEN THE ROLLS.