Gas spring-powered fastener driver

A gas spring-powered fastener driver comprising:

• a cylinder;
• a moveable piston positioned within the cylinder;
• a driver blade attached to the piston and moveable therewith along a driving axis between a ready position and a driven position;
• a lifter configured to move the driver blade from the driven position to the ready position;
• a drive unit including a motor for providing torque to rotate the lifter;
• a housing including
• a handle portion configured to be grasped by a user to maneuver the gas spring-powered fastener driver,
• a cylinder support portion within which the cylinder is at least partially positioned, and
• a drive unit support portion within which the drive unit is at least partially positioned;
• and
• a fill valve in fluid communication with the cylinder,
• wherein the fill valve is configured to fill the cylinder with compressed gas from a source of compressed gas, and wherein the fill valve extends from the cylinder and into the cylinder support portion.

A gas spring-powered fastener driver comprising:

• a cylinder;
• a moveable piston positioned within the cylinder;
• a driver blade attached to the piston and moveable therewith along a driving axis between a ready position and a driven position;
• a lifter configured to move the driver blade from the driven position to the ready position;
• a housing including a handle portion configured to be grasped by a user to maneuver the gas spring-powered fastener driver;
• and
• a fill valve coupled to and in fluid communication with the cylinder,
• wherein the fill valve is configured to fill the cylinder with compressed gas from a source of compressed gas, and
• wherein the fill valve extends in a direction transverse to the driving axis.