Cordless carton closing tool and method of replacing a carton closer clinching member

A fastener driving tool, comprising:

• a housing;
• a drive track within the housing;
• a magazine connected to the housing and configured to hold a supply of fasteners and to provide a leading fastener to the drive track;
• a driver configured to move downward in the drive track and drive the leading fastener into a workpiece during a drive stroke, and upward in the drive track during a return stroke;
• a mount connected to the driver;
• a clincher operatively connected to the housing and to the mount, the clincher being configured to engage the leading fastener during the drive stroke and move into a clinching position at the end of the drive stroke to clinch the fastener to the workpiece;
• a motor configured to rotate a crank arm;
• a connecting rod pivotably connected to the mount at an upper end portion thereof and pivotably connected to the crank arm at a lower end portion thereof, the connecting rod being configured to pull the mount and the driver downward through the drive stroke when the crank arm rotates from a first position to a second position,
• wherein, as the crank arm rotates from the first position to the second position, the crank arm moves the lower end portion of the connecting rod therewith.