A nailer is disclosed having a plunger wherein a user can incrementally drive a fastener into a workpiece by manually striking the plunger multiple times. Generally, the nailer includes a housing having a chamber adapted to receive at least one fastener and a driving blade. Operably connected to the...http://www.google.com/patents/US6318620?utm_source=gb-gplus-sharePatent US6318620 - Ratchetting manual nailer
