Patent ID: 6578451
Filing Date: 2003-06-17
Classification: B23P,B25B

Abstract:
Fastener gripping apparatus for use in connection with a shaft, the shaft having a driver portion thereon adapted to engage a fastener to move the fastener between an uninstalled condition, and an installed condition in a structural member, comprising:a. a chassis having a first end, a second end, and a passage extending therebetween, said passage adapted to support the shaft with the driver portion extending from said second end; b. a retainer connected to said chassis having a retaining end adjacent said second end and moveable between a closed position and an open position; c. a contact surface on said retaining end positioned to hold the fastener in engagement with the driver portion when said retainer is in the closed position; d. a cam surface on said retaining end, positioned to engage the structural member to move said retainer from the closed position to the open position when the fastener is moved from the uninstalled condition to the installed condition.