Fastener driver and thruster assembly for fastener driver

A fastener driver and a pusher assembly for a fastener driver. The fastener driver includes a pusher assembly slidably coupled to a cartridge assembly. The pusher assembly includes a first portion and a second portion that are selectively movable relative to each other. The pusher assembly is adjustable between a first state in which the first portion and the second portion are configured to move together in unison toward the channel and a second state in which the first portion moves relative to the second portion toward the channel. The air fire locking assembly includes a blocking member coupled to the cartridge assembly or the nose assembly, and a locking member selectively engageable with the blocking member for moving the blocking member from a first position and a second position. The pusher assembly is configured to transition from a first state to a second state after a predetermined number of fasteners remain in the cartridge assembly. 一种紧固件驱动器及用于紧固件驱动器的推进器组件，所述紧固件驱动器包括可滑动地联接至匣盒组件的推进器组件。推进器组件包括可选择性地