Patent ID: 6631827
Filing Date: 2003-10-14
Classification: B23P,Y10T

Abstract:
A feed mechanism for a self-attaching fastener installation apparatus, said installation apparatus including a plunger passage, a feed passage generally transverse to said plunger passage and communicating with said plunger passage, and a plunger reciprocable in said plunger passage through an intersection with said feed passage to install a self-attaching fastener received in said plunger passage from said feed passage in a panel opposite said plunger passage, said feed mechanism comprising:a roller, a spring biased feed pawl operably connected to said roller extending into said feed passage having a finger for engaging a fastener in said feed passage adjacent said plunger passage, and said fastener installation apparatus including an inclined camming surface fixed relative to said plunger, whereby movement of said plunger through said plunger passage drives said inclined camming surface against said roller, driving said feed pawl away from said plunger passage, a spring then biasing said feed pawl toward said plunger passage upon said roller driving said finger of said feed pawl against said fastener in said feed passage adjacent said plunger passage into said plunger passage.