Patent ID: 9573291
Date: 2017-02-21
CPC Classifications: B27B

Claim:
1. A sawmill carriage capable of adjusting the taper angle to a desired taper of a log to be cut comprising: a plurality of horizontally movable knees, each knee having a vertical face opposing said log, said knees mechanically linked to move as a unit; a plurality of tong dogs, each said tong dog comprising of an upper dog and a lower dog; a knee base plate having a horizontal top surface and a horizontal bottom surface; a chain adjustment plate, having a top surface, a rear surface and a front surface, a portion of said chain adjustment plate extending vertically above said knee base plate horizontal top surface and a portion of said chain adjustment plate extending vertically below said knee base plate horizontal bottom surface, said chain adjustment plate securely attached to said knee base plate; an in/out dog cylinder; said cylinder able to be retracted or extended to move a said tong dog horizontally toward and away from said knee vertical face, a first end of said in/out dog cylinder attached to said chain adjustment plate, a second end of said in/out dog cylinder attached to said tong dogs; a drive chain having a first end and a second end to horizontally jog said knee horizontally and perpendicular to the length of said log, said first end of said drive train attached to a first adjustment bolt, said first adjustment bolt having an axis oriented vertically; whereas said first adjustment bolt may be tensioned, thereby removing slack from said drive chain.