Abstract: A portable electric device comprising a cylinder in which at least one movable piston slides between a start position corresponding to the top of the cylinder and an end position corresponding to the bottom of the cylinder, said piston comprising a mechanism configured to come into contact with an element to be operated once the piston is in the end position or is between the start position and the end position. More particularly, the portable electric device comprises: a power supply mechanism intended to supply power to a first fixed coil, the first fixed coil being positioned facing an expulsion mechanism for expelling the piston when the piston is in the start position, the expulsion mechanism being secured to a first face of the movable piston; and at least one braking mechanism for braking the piston that are configured to brake the piston when the piston is in the end position or approaching the end position.

Abstract: A portable electric device comprising a cylinder in which at least one movable piston slides between a start position and an end position, said piston comprising a mechanism configured to come into contact with an element to be operated once the piston is in the end position or is between the start position and the end position. More specifically, the portable electric device comprises: a power supply intended to supply power to a first fixed coil, the first fixed coil being positioned facing an expulsion mechanism for expelling the piston when the piston is in the start position, the expulsion mechanism being secured to a first face of the movable piston; and at least one braking mechanism for braking the piston that are configured to brake the piston when the piston is in the end position or approaching the end position.

Abstract: A power supply device for coils for a portable electric tool, said portable electric tool comprising a casing forming a cylinder in which a movable piston slides between a start position at the start of travel of the piston and an end position at the end of travel of the piston. More specifically, the power supply device comprises: at least one battery intended to supply power to the coils; a first, fixed coil located in the cylinder at the start of travel of the movable piston; a second, movable coil located facing the first, fixed coil and secured to the movable piston; and power supply routing mechanisms for the second, movable coil, these mechanisms being secured to the piston and intended to channel the power supply from the battery so as to supply power, preferably in series, to the first, fixed coil and the second, movable coil.

Abstract: Various embodiments of the present disclosure provide a gas-powered fastener-driving tool. In one embodiment, the tool includes a combustion or precombustion chamber a valve comprising a body that is mobile within the combustion or precombustion chamber between a first closed position and a second open position. The body defines two opposing orifices at longitudinal ends of the body. The orifices form part of a bore defined through the body that enables gas to pass through the valve. This makes it possible to limit the pressure drops as gas is being admitted to or exhausted from the chamber, thus making it possible to optimize the duration of the firing cycle of the tool.

Abstract: Various embodiments of the present disclosure provide a fuel cartridge for a gas-powered fastener-driving tool. In one embodiment, the fuel cartridge comprises a body that has a longitudinal axis and that defines an internal fuel storage cavity. The body is shaped and sized to be inserted at least partially into and removed from a housing defined by a case of the tool via translation along the longitudinal axis. The cartridge also includes a connection and fuel dispensing end fitting connected to the body and sized and shaped to engage an end fitting of the tool within the housing. The cartridge also includes a first cam surface extending at least partially around the longitudinal axis and configured to, during relative rotation of the first cam surface and a second cam surface, engage the second cam surface to facilitate removal of the fuel cartridge from the housing.

Abstract: The present disclosure concerns a method and an electronic ignition control device of a combustion chamber of a gas-powered fixing tool designed to optimize the quality of the shooting of fixation elements by the tool. According to the principle of the present disclosure, the triggering of the ignition of the chamber to produce the shot is commanded on the condition that the time between the moment when the user places the tool against a work surface and the moment when he pulls on an actuation trigger of the tool is greater than a predefined delay time, to ensure an optimal filling of the combustion chamber with the combustible gas. According to one embodiment of the present disclosure, the triggering of the ignition is enabled on the supplemental condition that a signal of medium ignition voltage is greater than a trigger threshold voltage.

Abstract: Various embodiments of the present disclosure provide a fuel cartridge for a gas-powered fastener-driving tool. In one embodiment, the fuel cartridge comprises a body that has a longitudinal axis and that defines an internal fuel storage cavity. The body is shaped and sized to be inserted at least partially into and removed from a housing defined by a case of the tool via translation along the longitudinal axis. The cartridge also includes a connection and fuel dispensing end fitting connected to the body and sized and shaped to engage an end fitting of the tool within the housing. The cartridge also includes a first cam surface extending at least partially around the longitudinal axis and configured to, during relative rotation of the first cam surface and a second cam surface, engage the second cam surface to facilitate removal of the fuel cartridge from the housing.

Abstract: Various embodiments of the present disclosure provide a gas-powered fastener-driving tool. In one embodiment, the tool includes a combustion or precombustion chamber a valve comprising a body that is mobile within the combustion or precombustion chamber between a first closed position and a second open position. The body defines two opposing orifices at longitudinal ends of the body. The orifices form part of a bore defined through the body that enables gas to pass through the valve. This makes it possible to limit the pressure drops as gas is being admitted to or exhausted from the chamber, thus making it possible to optimize the duration of the firing cycle of the tool.

Abstract: The present disclosure concerns a method and an electronic ignition control device of a combustion chamber of a gas-powered fixing tool designed to optimize the quality of the shooting of fixation elements by the tool. According to the principle of the present disclosure, the triggering of the ignition of the chamber to produce the shot is commanded on the condition that the time between the moment when the user places the tool against a work surface and the moment when he pulls on an actuation trigger of the tool is greater than a predefined delay time, to ensure an optimal filling of the combustion chamber with the combustible gas. According to one embodiment of the present disclosure, the triggering of the ignition is enabled on the supplemental condition that a signal of medium ignition voltage is greater than a trigger threshold voltage.

Abstract: A combustion nailer includes a tool housing, and a combustion engine substantially located within the housing and including a valve sleeve reciprocating relative to a cylinder head for cyclically opening and closing a combustion chamber. A control system is associated with the housing and is connected to the combustion engine for providing for a designated open time for the combustion chamber after a combustion event and before a subsequent combustion can occur.

Abstract: The adapter comprises a central tubular body extending on one side with an abutment and fixing base on the cartridge and, on the other side, with two fixing legs on an intermediary nose piece of the transmission and filling member able to be hinged for ensuring the fixing operation, disconnecting and ejecting wings being additionally provided. The disconnecting and ejecting wings are arranged for opening the fixing legs before driving them into translation.

Abstract: A gas setting tool, wasting a limited amount of fuel. The tool comprises i) an internal combustion engine, with a device for injecting fuel in the chamber of the engine, comprising a check valve and an injection piston, the injection piston extending beyond the check valve, and iii) a sealing joint mounted on the injection piston of the check valve. The injection piston comprises an internal bore opened on the exterior and the check valve and its injection piston are arranged so that, in an opening position, the fuel in a container is able, outside the check valve, to only flow through the internal bore of the injection piston. Thanks to this invention, fuel waste is reduced to the best.

Abstract: The adapter is designed to receive an outlet end (23) of the cartridge (20) and an inlet end (32) of the induction device (30), as well as a seal (11) between the two ends (23, 32). The seal (11) includes an annular transverse portion (53) intended to be interposed between the two ends (23, 32) and the material of the seal (11) is selected from the group consisting of compressible and flexible materials.

Abstract: A combustion nailer includes a tool housing, and a combustion engine substantially located within the housing and including a valve sleeve reciprocating relative to a cylinder head for cyclically opening and closing a combustion chamber. A control system is associated with the housing and is connected to the combustion engine for providing for a designated open time for the combustion chamber after a combustion event and before a subsequent combustion can occur.

Abstract: The housing is intended to receive a source introduced by means of its head and pushed into a position ensuring good transmission of energy. The housing includes a mechanism for converting a transverse movement towards the interior of the housing imparted by a pusher element of the mechanism accessible from the exterior of the housing into an orthogonal movement for ejection of the source.

Abstract: A fixing tool including a nose adapted to receive, on the one hand, a fixing element from a fixing element magazine fixed to the nose and, on the other hand, a fixing element driving piston, propelled by an energy source, a sensor for operating the tool being arranged on the nose, wherein the sensor includes a flexible blade arranged on a biasing pad.

Abstract: In the assembly of the invention, the assembly includes adapter means designed to connect the transmission member and the energy source and to ensure good transmission of energy between them. The adapter means comprise means for locking the energy source in rotation in the device and means for the angular indexing of the source in the position in which it is locked in rotation in the device. The invention is very suitable for gas fastening devices.

Abstract: The adapter comprises a central tubular body extending on one side with an abutment and fixing base on the cartridge and, on the other side, with two fixing legs on an intermediary nose piece of the transmission and filling member able to be hinged for ensuring the fixing operation, disconnecting and ejecting wings being additionally provided. The disconnecting and ejecting wings are arranged for opening the fixing legs before driving them into translation.

Abstract: A fastening element driving apparatus includes a barrel for receiving a fastening element, and a handle for attaching a removable magazine which feeds fastening elements to the barrel. A forward part of the apparatus is arranged to cooperate with a supply end of the magazine and ensure that a fastening element is transferred from the magazine into the barrel. A free end of the handle away from the barrel carries a rod for fixing another, loading end of the magazine thereto. The fixing rod is pivotable to alter a relative position between the free end of the handle and the loading end of the magazine.

Abstract: In the assembly of the invention, the assembly includes adapter means designed to connect the transmission member and the energy source and to ensure good transmission of energy between them. The adapter means comprise means for locking the energy source in rotation in the device and means for the angular indexing of the source in the position in which it is locked in rotation in the device. The invention is very suitable for gas fastening devices.