Patent ID: 7328826
Filing Date: 2008-02-12
Classification: B25C

Abstract:
1. A fastener-driving tool comprising: a magazine; a nosepiece having a fastener passage slot configured for receiving fasteners from said magazine and a driver blade path in communication with said slot; a driver blade slidably reciprocating in said path; and a mechanism for preventing jamming, comprising: a follower slidably disposed inside the magazine for urging fasteners toward the nosepiece, and having an upper surface constructed and arranged for directly receiving the driver blade and preventing driver blade entry into said path after a last fastener in the magazine has been driven, said tool thus allows tool firing and reciprocation of said driver blade when the magazine is empty, but impedes the travel of said driver blade by directly receiving said blade upon said upper surface; said follower includes a first portion configured for engaging a fastener strip, and having a pair of sides, and a second portion including said upper surface; said second portion extends laterally-past said sides of the first portion for guiding said follower in the magazine, said second portion forms a widest part of said follower when viewed from a front of the tool where the magazine abuts the nosepiece; said nosepiece includes a shear block defining a fastener passage slot, and said follower is constructed and arranged to enter the slot after the last fastener is driven; and wherein said shear block has an upper edge, and said second portion slidingly engages said upper edge for supporting said laterally extending second portion against impact generated by said driver blade directly impacting said upper surface.