Device for debarking stave and head bolts

Claim 1

A STAVE AND HEAD BOLT DEBARKING MACHINE, COMPRISING, A STRUCTURAL SUPPORTING FRAME HAVING A PAIR OF SPACED, VERTICALLY EXTENDING GUIDE TRACKS, A CARRIAGE MOUNTED FOR RECIPROCATING MOVEMENT IN SAID SPACED GUIDE TRACKS, FLUID CIRCUIT MEANS INCLUDING A CYLINDER HAVING A PISTON MECHANICALLY CONNECTED TO SAID CARRIAGE FOR DRIVING AND RETRACING SAID CARRIAGE ALONG SAID SPACED GUIDE TRACKS, AN ARCUATE SHAPED BLADE, SAID CARRIAGE INCLUDING A HORIZONTALLY POSITIONED FLANGE PLATE MEANS SECURED TO THE LOWER END OF SAID PISTON AND A BLADE MOUNTED PLATE MOUNTED VERTICALLY ON SAID FLANGE PLATE MEANS, SAID MOUNTING PLATE HAVING AN ARCUATE SHAPE CORRESPONDING TO THAT OF SAID BLADE AND HAVING MEANS ADAPTED TO HOLD SAID BLADE IN ABUTTING CONTACTING WITH SAID FLANGE PLATE MEANS AND SAID MOUNTING PLATE DOWNWARDLY FROM SAID FLANGE PLATE MEANS TO A DISTANCE INTERMEDIATE THEREWITH AND THE CUTTING EDGE OF SAID BLADE, SAID FLUID CIRCUIT MEANS INCLUDING A FIRST FLUID LINE CONNECTED TO SAID CYLINDER FOR PASSING FLUID FOR ADVANCING SAID PISTON AND A SECOND FLUID LINE CONNECTED TO SAID CYLINDER FOR PASSING FLUID FOR RETRACTING SAID PISTON, A FLUID BY-PASSING DEVICE FOR EACH SAID FIRST AND SECOND FLUID LINES, MEANS FOR OPENING THE RESPECTIVE BY-PASSING DEVICES TO PASS FLUID ON PREDETERMINED STROKE LIMITS OF SAID PISTON IN SAID CYLINDER TO HALT MOVEMENT OF SAID PISTON, AND A SUPPORT POSITIONED AT THE LOWER END OF SAID SPACED GUIDE TRACKS FOR SUPPORTING AND POSITIONING A BOLT TO BE DEBARKED, WHEREBY UPON DOWNWARD MOVEMENT OF SAID CARRIAGE SAID BOLT IS DEBRAKED BY SAID ACUATE SHAPED BLADE.