Patent ID: 8079291

Claim:
A fastener feeder comprising: a pair of guiders defining a sliding slot therebetween, each guider comprising a sloped part and a level part, wherein the sliding slot is capable of receiving bodies of fasteners therein, and the sloped parts and the level parts are configured such that a head of each fastener is capable of sliding down from the sloped parts and stopping on the level parts; a slot cover above the sliding slot, the slot cover defining an opening located corresponding to the level parts, the opening providing a path through which a fastener pickup device can pass and engage with the head of a fastener located on the level parts, a size of the opening being less than that of the head of each fastener; and a blocker located below the level parts of the guiders; wherein a distance between the blocker and the level parts is such that when the fastener pickup device moves the fastener head engaged therewith away from the opening and a length of the fastener is greater than the distance between the blocker and the level parts, the fastener is blocked by the blocker and disengaged from the fastener pickup device.