Machine for cutting up essentially semicylindrical bodies to semi-tubular elements

Claim 1

A MACHINE FOR CUTTING SUBSTANTIALLY SEMI-CYLINDRICAL WOODEN BODIES INTO INDIVIDUAL SEMI-TUBULAR ELEMENTS, COMPRISING A FRAME, A SET OF CUTTING TOOLS, EACH OF SAID CUTTING TOOLS BEING DEVINED BY A UNIDIRECTIONAL DRIVEN CYLINDRICAL SAW BLADE WITH APPROXIMATELY ONE-HALF OF THE DIAMETER OF THE BLADE BEING ADAPTED TO ENGAGE THE WOODEN BODY TO BE CUT, SAID SAW BLADES HAVING STEPPED DIAMETERS AND ARRANGED ONE BEHIND THE OTHER VIEWED IN THE DIRECTION OF TRAVEL OF THE WOODEN BODY TO BE CUT, A COMMON CARRIER MEMBER EXTENDING IN THE DIRDCTION OF TRAVEL OF THE WOODEN BODY AND BEING STEPPED CORRESPONDING TO THE STEPPED DIAMETERS OF THE SAW BLADES, INTERMEDIATE FRICTION REDUCING GUIDE MEANS SUPPORTING SAID SAW BLADES ON SAID COMMON CARRIER MEMBER, MEANS FOR RAISING AT LEAST ONE END OF SAID COMMON CARRIER MEMBER FOR ALLOWING THE ROMOVAL AND EXCHANGE OF SAID SAW BLADES, DRIVEN MEANS FOR SAID CYLINDRICAL SAW BLADES INCLUDING BELTS ENGAGING ONLY THE LOWER PORTIO NOF THE CIRCUMFERENCE OF SAID SAW BLADES, OUTER GUIDE ROLLERS FOR THE BELTS AND FOR PRESSING SAID SAW BLADES AGAINST SAID INTERMEDIATE FRICTION REDUCING GUIDE MEANS, SWINGING ARMS FOR THE GUIDE ROLLERS MOST REMOTE FROM THE VERTICAL SYMMETRICAL PLANE OF SAID SAW BLADES, THE PIVOTAL AXES OF SAID ARMS BEING OUTSIDE OF THE AREAS INCLOSED BY SAID BELTS WHEREBY SAID ROLLERS ARE URGED