| 摘要 |
A pneumatically operated and controlled fastener driving assembly supplies individual screw fasteners (30) which are maintained on a carrier strip (28) in a magazine assembly (24), to a nose assembly (32). When a fastener (30) is positioned in the nose assembly (32), a driver member (34) of a power fastener driving tool (20) engages the fastener and positions the fastener such that the fastener extends out from a workpiece engaging surface of the nose assembly (32). When the fastener is driven into the workpiece to a specified depth, a pneumatically operated and controlled driver mechanism (36) moves the fastener driving tool (20) away from the workpiece. Thereafter, the fastener strip (28) is incrementally advanced by a pneumatically operated feeding mechanism (94) so that a next one of the individual fasteners (30) on the strip (28) is positioned within the nose assembly (32) and the driver mechanism (36) moves the fastener driving tool (20) toward the fastener (30) so that the fastener is removed from the fastener stip (28), positioned so as to be extending out from the nose assembly (32) and ready for driving into the workpiece. |
