초록 ▼

A remotely actuated fastener driving tool includes a housing defining a fastener drive track, a fastener driving element carried by the housing for movement within the drive track through successive cycles of operation. A drive piston is operatively connected with the fastener driving element. A pil

A remotely actuated fastener driving tool includes a housing defining a fastener drive track, a fastener driving element carried by the housing for movement within the drive track through successive cycles of operation. A drive piston is operatively connected with the fastener driving element. A pilot pressure operated main valve is movable from a normally closed position into an opened position allowing a supply of air under pressure to be communicated with the drive piston to effect the movement of the drive piston and fastener driving element. A magazine assembly is carried by the housing for receiving a supply of fasteners and feeding successive fasteners into the drive track. Valve structure is provided which includes a valve member carried by the housing and is constructed and arranged to move from a normal, inoperative position into an operative position to initiate the movement of the main valve from its closed position to its opened position. The valve structure is constructed and arranged to be coupled to a remotely located source of air under pressure such that when air pressure is applied to the valve structure, the valve member is biased to the inoperative position thereof in sealing relation with an exhaust path defined by the valve structure, and when the air pressure is relieved from the valve structure, the valve member moves to the operative position thereof thereby opening the exhaust path permitting pilot pressure associated with the main valve to exhaust through the exhaust path initiating the fastener driving stroke.

대표청구항 ▼

[ What is claimed is:] [9.] A quick exhaust valve structure for a remotely actuated fastener driving tool including a housing and a pilot pressure operated main valve carried within the housing for controlling a fastener driving mechanism of the driving tool, the exhaust valve structure comprising:a

[ What is claimed is:] [9.] A quick exhaust valve structure for a remotely actuated fastener driving tool including a housing and a pilot pressure operated main valve carried within the housing for controlling a fastener driving mechanism of the driving tool, the exhaust valve structure comprising:a valve housing constructed and arranged to be carried by the housing of the fastener driving tool;a valve member mounted for movement within the valve housing so as to be movable between a normal, inoperative position and an operative position;an exhaust path defined in said valve housing; anda connector carried by said valve housing and in fluid communication with the valve member, said connector being constructed and arranged to be coupled to a remotely located source of air under pressure such that when said valve housing is carried by the fastener driving tool and air pressure is applied to said valve member through said connector, said valve member is biased to the inoperative position thereof in sealing relation with said exhaust path, and when said air pressure is relieved from said valve member through said connector, the valve member moves to the operative position thereof, thereby opening said exhaust path and permitting pilot pressure associated with the main valve to exhaust through the exhaust path, thus initiating a fastener driving stroke of the fastener driving mechanism.