Abstract: A fuel cartridge, which is capable of being mounted on a tool main body of a gas-combustion type driving tool so as to supply fuel gas to a striking mechanism of the tool main body, is provided with an ejection nozzle provided at a port portion formed at an end portion of a cartridge main body and slidable with respect to the cartridge main body; a compression spring for biasing the ejection nozzle so that a tip end of the ejection nozzle protrudes from the cartridge main body; and an ejection hole formed at a side wall of a tip end portion of the ejection nozzle.

Abstract: A fuel cartridge, which is capable of being mounted on a tool main body of a gas-combustion type driving tool so as to supply fuel gas to a striking mechanism of the tool main body, is provided with an ejection nozzle provided at a port portion formed at an end portion of a cartridge main body and slidable with respect to the cartridge main body; a compression spring for biasing the ejection nozzle so that a tip end of the ejection nozzle protrudes from the cartridge main body; and an ejection hole formed at a side wall of a tip end portion of the ejection nozzle.

Abstract: A fuel cartridge, which is capable of being mounted on a tool main body of a gas-combustion type driving tool so as to supply fuel gas to a striking mechanism of the tool main body, is provided with an ejection nozzle provided at a port portion formed at an end portion of a cartridge main body and slidable with respect to the cartridge main body; a compression spring for biasing the ejection nozzle so that a tip end of the ejection nozzle protrudes from the cartridge main body; and an ejection hole formed at a side wall of a tip end portion of the ejection nozzle.

Abstract: A pneumatic tool includes a tool body, a nose part for ejecting a nail, which is provided in a lower part of the tool body, an air chamber for storing compressed air, which is provided in the tool body, an air supply pipe for supplying the compressed air from an air supply source to the air chamber, an air duster, an air duster pipeline connected to an air outlet of the air duster, and an air duster valve for controlling supply of the compressed air to the air duster pipeline.

Abstract: In a power-driven nailing machine for driving a nail disposed within a discharge port 7 of a nose body 6 into a work, a contact nose 13 giving a leading end discharge port 12 for guiding the nail driven from a discharge port 7 of the nose body 6 toward the work is provided to be protrusively urged toward the leading end of the nose body 6. In the leading end discharge port 12 of the contact nose 13, a guide portion 17, 19 longer than a maximum sized nail is formed from the leading end.

Abstract: A ratchet member 23, which is provide with a slope 24 for guiding a tip end of a nail inclined to a rear side of an ejection opening 7 into the ejection openings 7 and 16, and a guide surface 25 for guiding the tip end of a nail to the center of each of the ejection openings 7 and 16, is provided on a rear side of ejection openings 7 and 16 and urged so that a guide surface 25 of the ratchet member 23 enters the ejection openings 7 and 16.

Abstract: An air duster duct is formed to branch off at an intermediate portion along the length of an air duct which connects a compressed air supply source with a pneumatic tool. A valve mechanism having a selector valve and an operating device is provided at the branch portion. The sector valve can shift to a first position where the selector valve opens an upstream side duct which communicates with the air supply source to a downstream side duct which communicates with a nailing machine and shuts the upstream side duct relative to the air duster branch duct and a second position where the selector valve shuts the upstream side duct relative to the down stream side duct and opens the upstream side duct to the branch duct. The selector valve is operated from the outside by the operating device.

Abstract: A pneumatic tool includes a tool body, a nose part for ejecting a nail, which is provided in a lower part of the tool body, an air chamber for storing compressed air, which is provided in the tool body, an air supply pipe for supplying the compressed air from an air supply source to the air chamber, an air duster, an air duster pipeline connected to an air outlet of the air duster, and an air duster valve for controlling supply of the compressed air to the air duster pipeline.

Abstract: A striking cylinder 6 is disposed within a body 1. A main air chamber 7 for reserving compressed air therein is disposed at an outside of the striking cylinder 6. A cylinder cap 8 for covering the striking cylinder 6 and the main air chamber 7 is fixed at an upper portion of the body 1. A lower portion of a cylindrical head valve 13, which opens and closes the main air chamber 7 and the striking cylinder 6 and is configured in a manner that upper and lower external diameters thereof are the same, is disposed at an outside of the striking cylinder 6. A cylindrical inner wall 10 and a cylindrical outer wall 11 are integrally formed at a lower surface of the cylinder cap 8. A piston stop 12 for defining a top dead center of a striking piston 5 is provided at an inside of the cylindrical inner wall 10. The head valve 13 is slidably provided between the cylindrical inner wall 10 and the cylindrical outer wall 11.

Abstract: An air duster duct 18 is formed to branch off at an intermediate portion along the length of an air duct 17 which connects a compressed air supply source 16 with a pneumatic tool. A valve mechanism having a selector valve 25 and an operating device 35 is provided at the branch portion. The sector valve 25 can shift to a first position where the selector valve 25 opens an upstream side duct 17a which communicates with the air supply source 16 to a downstream side duct 17b which communicates with a nailing machine and shuts the upstream side duct 17a relative to the air duster branch duct 18 and a second position where the selector valve 25 shuts the upstream side duct 17a relative to the down stream side duct 17b and opens the upstream side duct 17a to the branch duct 18. The selector valve 25 is operated from the outside by the operating device 35.

Abstract: A nailing machine for striking a nail supplied into an injection port formed at a nose portion by a driver to strike out from inside of the injection port is provided with a nail guide member on a front side of the injection port. The nail guide member is provided with a guiding guide groove for guiding a front end portion of the nail struck out from inside of the injection port at an inner side face thereof, provided with a projected portion an outer diameter shape of which is formed in a half cut converging taper shape, and provided with a bulged portion brought into contact with a surface of a construction metal piece on an upper side of the projected portion. The nailing machine is positioned by inserting the projected portion into a nail hole formed at a construction metal piece. The bulged portion constitutes a fulcrum of rotation by which the nailing machine is inclined when the nailing machine is inclined to a front side.

Abstract: A fuel cartridge, which is capable of being mounted on a tool main body of a gas-combustion type driving tool so as to supply fuel gas to a striking mechanism of the tool main body, is provided with an ejection nozzle provided at a port portion formed at an end portion of a cartridge main body and slidable with respect to the cartridge main body; a compression spring for biasing the ejection nozzle so that a tip end of the ejection nozzle protrudes from the cartridge main body; and an ejection hole formed at a side wall of a tip end portion of the ejection nozzle.

Abstract: A striking cylinder 6 is disposed within a body 1. A main air chamber 7 for reserving compressed air therein is disposed at an outside of the striking cylinder 6. A cylinder cap 8 for covering the striking cylinder 6 and the main air chamber 7 is fixed at an upper portion of the body 1. A lower portion of a cylindrical head valve 13, which opens and closes the main air chamber 7 and the striking cylinder 6 and is configured in a manner that upper and lower external diameters thereof are the same, is disposed at an outside of the striking cylinder 6. A cylindrical inner wall 10 and a cylindrical outer wall 11 are integrally formed at a lower surface of the cylinder cap 8. A piston stop 12 for defining a top dead center of a striking piston 5 is provided at an inside of the cylindrical inner wall 10. The head valve 13 is slidably provided between the cylindrical inner wall 10 and the cylindrical outer wall 11.

Abstract: A nailing machine for striking a nail supplied into an injection port formed at a nose portion by a driver to strike out from inside of the injection port is provided with a nail guide member on a front side of the injection port. The nail guide member is provided with a guiding guide groove for guiding a front end portion of the nail struck out from inside of the injection port at an inner side face thereof, provided with a projected portion an outer diameter shape of which is formed in a half cut converging taper shape, and provided with a bulged portion brought into contact with a surface of a construction metal piece on an upper side of the projected portion. The nailing machine is positioned by inserting the projected portion into a nail hole formed at a construction metal piece. The bulged portion constitutes a fulcrum of rotation by which the nailing machine is inclined when the nailing machine is inclined to a front side.

Abstract: A magazine 5 is structured by a magazine body 11, and a slider 12 slidable relative to the magazine body 11. A nail accommodating portion 16 for accommodating connected nails therein is formed between the magazine body 11 and the slider 12. A guide piece 17 for guiding distal end portions of shanks of the nails into an injection port is provided at the magazine body 11. A head guide member 21 for guiding heads of the nails is disposed so as to slide in a longitudinal direction of the magazine body 11. The head guide member 21 is slid relative to the magazine body 11 in accordance with a sliding movement of the slider 12 relative to the magazine body 11.

Abstract: A rotary joint is provided with: an end cap body having an opening formed therein; a hollow plug housing having an opening formed along the direction of the first-named opening and directed in a first axis direction; an intermediate sleeve held turnably in the plug housing on the first axis on its one end side and having an opening formed on its other end side and extending in a second axis direction inclined at a predetermined angle with respect to the first axis; and a plug portion held turnably in the intermediate sleeve on a second axis on its one end side and having a nipple portion formed on its other end side and inclined at a predetermined angle with respect to the second axis. The rotary joint is characterized in that its plug housing is housed/mounted in the opening of the end cap body.

Abstract: A contact member of a power-driven nailing machine is provided with a ring portion, a guide arm, and a guide portion. The ring portion is projected outwardly beyond a lower end of a nose portion and can keep a clearance from the lower end. The guide arm is extended upwardly from one end of the ring portion along a side surface of the nose portion. The guide portion is provided on an upper portion of the guide arm and can be slidably guided to the nose portion. The nose portion includes a projecting piece projected from the outer peripheral surface of the lower end toward an inner peripheral surface of the one end of the ring portion.

Abstract: In a power-driven nailing machine for driving a nail disposed within a discharge port 7 of a nose body 6 into a work, a contact nose 13 giving a leading end discharge port 12 for guiding the nail driven from a discharge port 7 of the nose body 6 toward the work is provided to be protrusively urged toward the leading end of the nose body 6. In the leading end discharge port 12 of the contact nose 13, a guide portion 17, 19 longer than a maximum sized nail is formed from the leading end.

Abstract: A ratchet member 23, which is provide with a slope 24 for guiding a tip end of a nail inclined to a rear side of an ejection opening 7 into the ejection openings 7 and 16, and a guide surface 25 for guiding the tip end of a nail to the center of each of the ejection openings 7 and 16, is provided on a rear side of ejection openings 7 and 16 and urged so that a guide surface 25 of the ratchet member 23 enters the ejection openings 7 and 16.

Abstract: A contact member of a power-driven nailing machine is provided with a ring portion, a guide arm, and a guide portion. The ring portion is projected outwardly beyond a lower end of a nose portion and can keep a clearance from the lower end. The guide arm is extended upwardly from one end of the ring portion along a side surface of the nose portion. The guide portion is provided on an upper portion of the guide arm and can be slidably guided to the nose portion. The nose portion includes a projecting piece projected from the outer peripheral surface of the lower end toward an inner peripheral surface of the one end of the ring portion.