Patent ID: 7137186

Claim:
A fastening tool comprising: a housing assembly having a nosepiece; a magazine assembly coupled to the housing assembly, the magazine assembly including a canister, a door structure, and a feed pawl, the canister being configured to hold a plurality of collated fasteners and having a first canister portion and a second canister portion that is movable relative to the first canister portion between a closed position and an open position; and a coil feeder assembly having an indexing pawl, the indexing pawl being movable between a retracted position and an extended position, the indexing pawl being movable independently of the feed pawl and adapted for advancing a group of fasteners toward the nosepiece such that one of the fasteners in the group of fasteners is brought into engagement with the feed pawl upon movement of the second canister portion from the open position to the closed position; wherein the coil feeder further comprises an indexing valve and a cylinder, the indexing valve being positioned downstream of a main air reservoir and controlling operation of the cylinder, the cylinder including a rod that is coupled to the indexing pawl.