Patent ID: 9242359
Filing Date: 2016-01-26
CPC Classification: B25C,B25F

Claim Text:
1. A fastening tool comprising: a housing assembly including a housing body having a longitudinal axis; a cylinder disposed within the housing body; a piston slidably sealingly mounted in the cylinder for movement through an operative cycle including a drive stroke and a return stroke; a fastener driving assembly disposed within the housing assembly, the fastener driving assembly including a fastener driving element connected to the piston for movement through a drive stroke in response to the drive stroke and return stroke of the piston; a nose portion defining a fastener drive track for movement of the fastener driving element aligned with the fastener driving assembly; a contact trip constructed and arranged to be moved from a normally biased inoperative position into an operative position when pressed against a workpiece; a first handle attached to the housing body, the first handle defining a tool reservoir; a control valve mounted to the housing body for controlling an amount of compressed gas to the tool reservoir; a second handle coupled to the housing body for supplying compressed gas to the control valve; a trigger valve in communication with the tool reservoir and configured to initiate actuation of the fastening tool; a manually operated valve within the second handle configured to complete actuation of the fastening tool; and wherein the compressed gas flows through the control valve to the tool reservoir to fill a region above the piston upon actuation of the trigger valve, the manually operated valve, and the contact trip.