Abstract: The present invention is directed to a combustion powered setting device for driving fastening elements such as nails, bolts and pins into a receiving material, with a fuel source, and a fuel line (12.1, 12.2) from the fuel source (11) to a combustion chamber (13) and with at least one metering device (20) for fuel which is arranged in the fuel line (12.1, 12.2) between the fuel source and the combustion chamber. In order to improve setting devices of this type, the metering device (20) has an adjusting device (30) for the metered volume, which adjusting device (30) responds to the fuel pressure.

Abstract: A combustion-engined setting tool for driving fasting elements such as nails, bolts, pins in an object, includes a combustion chamber (13), a fuel source (11), a fuel conduit (12) connecting the fuel source (11) with combustion chamber (13) for feeding fuel thereinto, and at least one metering device (30) for metering a predetermined amount of fuel for effecting a setting process and having at least one variable volume metering chamber (31), and a displaceable piston body (34) for a pulsed ejection of fuel from the metering chamber (31).

Abstract: The present invention relates to a propellant container (2) for an internal combustion operated setting tool (10) having a housing (21) and a housing internal space (22) for receiving a propellant (23). A portable electrical power source (40) such as a battery or a battery pack is arranged on the propellant container (2). The invention further relates to an internal combustion operated setting tool (10) having electrical consumers (30), a setting mechanism (12) that can be driven by a propellant (23) and a receptacle (15) for a propellant container (20). Contact elements (31, 32) for contacting an electrical power source arranged on the propellant container (20) are arranged on the receptacle for the propellant container (20).

Abstract: A combustion-engined setting tool (10) for driving in fastening elements such as bolts, nails, and the like in a constructional components includes an inlet/outlet valve arrangement (20) that connects the combustion chamber (13) of the setting tool (10), which is filled with an air-fuel mixture, with at least two tool openings (33, 34), has an inlet (21) connectable with a first tool opening (33) and an outlet (22) connectable with the second tool opening (34).

Abstract: A combustion-engined setting tool for driving fastening elements in constructional components includes a member (32) arranged in the combustion chamber (13) for generating turbulence of an oxidant-fuel mixture filling the combustion chamber (13), an ignition unit (23) for igniting the oxidant-fuel mixture, a drive for at least temporarily driving the turbulence generating member (32), and a switch (22) for actuating the ignition unit (23) and actuated by the turbulence generating member (32).

Abstract: A setting tool for driving fastening elements in a constructional component includes a piston guide (11) adjoining the tool combustion chamber (16), a setting piston (20) arranged in the hollow space (12) of the piston guide (12) for an axial displacement therein, a piston stopping element (30) for the setting piston (20) and arranged in an end region (17) of the hollow space (12) remote from the combustion chamber (16), and a device (40) for axially displacing the piston stopping element (30) in the hollow space (12).

Abstract: A combustion-engined setting tool for driving fastening elements such as, e.g., nails, blots, etc. in constructional components includes a combustion chamber (13) for combusting therein an oxidant-fuel mixture, a turbulence generating element, arranged in the combustion chamber (13) for creating turbulence of the oxidant-fuel mixture, and a drive for at least partially driving the turbulence generating element (32) and including a mechanical device (30) for a pulsed acceleration of the turbulence generating element (32) and which is activated by the actuation switch (35) that actuates the setting process.

Abstract: A combustion-engined setting tool for driving fastening elements in constructional components includes a combustion chamber (14) for combusting therein a full gas-oxidant mixture, at least one guide element (20) arranged coaxially with a longitudinal axis (34) of the combustion chamber (14) for supporting axially displaceable wall (17) of the combustion chamber (14) for an axial displacement along the guide element (20) which is pivotally supported in a drag bearing (22), and a guide cylinder (12) adjoining the combustion chamber (14) in which a setting piston (11) is arranged for an axial displacement therein.

Abstract: The present invention relates to an internal combustion-operated setting tool for driving fastener elements such as nails, bolts, pins into a substrate, having a fuel source, with a fuel feed line from a fuel source to a combustion chamber and having at least one dosing device (30), which is arranged between the fuel source and the combustion chamber. For improving such setting tools, a displacement body (50) is arranged in a chamber in the dosing device (30) for forcing fuel out of the chamber, whose displacement volume can be adjusted.

Abstract: The present invention relates to a combustion-engined setting tool for driving fastening elements, such as nails, bolts, pins in a constructional component, with a fuel guide (12) extending from a fuel source (11) to a combustion chamber (13) and with at least on electronically controlled valve (24) which is arranged in the fuel guide (12) between the fuel source (11) and the combustion chamber (13), and with a control unit (20), including at least one actuation means (25) with which the valve (24) is opened for a predetermined time period. For improving, it is proposed to arranged in the fuel guide (12) a storage chamber (21) between the electronically controlled valve (24) and the combustion chamber (13). The storage chamber becomes filled with fuel through the electronically controlled valve already before the setting tool is pressed against a constructional component, enabling rapid, following one after another, setting processes.

Abstract: The present invention is directed to a combustion-operated setting device for driving fastening elements such as nails, bolts and pins into a substrate, with a combustion chamber (12) that has at least one combustion chamber outlet (13) in which a fuel gas mixture can be ignited for driving a driving piston (16) guided in a piston guide (17), and with a locking and unlocking mechanism (20) for unlocking the at least one combustion chamber outlet (13) in the starting position (31) of the driving piston (16) and for locking the at least one combustion chamber outlet (13) outside of the starting position (31) of the driving piston (16). The locking and unlocking mechanism (20) has a magnet (21) for detecting the driving piston (16) in the starting position (31).

Abstract: A method of controlling operation of a portable, combustion-engined, power tool and including feeding fuel into the combustion chamber of the power tool, before ignition, several times one after another in accordance with an intermittent metering operational mode, and a power tool including a control device (34, 64) for controlling operation of the fuel feeding device (32, 33) of the power tool so that the feeding device (32, 33) feeds the fuel into the combustion chamber (1) several times in accordance with the intermittent metering operational mode.

Abstract: A pressure container with an outer container (20) and a constantly deformable or compressible inner container is arranged within the outer container (20), whose container wall is constructed of a metallic foil. A fill material chamber (11) for fill material (12) is arranged in the inner container (10) and in the outer container (20), a propellant chamber (21) is formed for propellant (22, 23), which are separated from one another in a fluid- and/or gas-tight manner. The pressure container is furthermore provided with a cover part (25) for sealing the containers (10, 20), on which a valve part (30) is arranged for dispensing fill material (12) from the fill material chamber (11) to the outside. For improving the pressure container it is proposed that a compensation body (41) be provided in the inner container (10) for the purpose of compensating volume variations in the fill material chamber (11).

Abstract: A combustion-engined setting tool for driving fastening elements includes a fuel guide (12) connecting a fuel source (11) with a combustion chamber (13), at least one electronically controlled valve (24) arranged in the fuel guide (12) between the fuel source (11) an the combustion chamber (13), a control unit (20) for opening the electronically control valve (24) for a predetermined, by the control unit (20) time period, and a storage chamber (21) arranged between the electronically controlled valve (24) and the combustion chamber (13).

Abstract: The present invention is directed to a combustion powered setting device for driving fastening elements such as nails, bolts and pins into a receiving material, with a fuel source, and a fuel line (12.1, 12.2) from the fuel source (11) to a combustion chamber (13) and with at least one metering device (20) for fuel which is arranged in the fuel line (12.1, 12.2) between the fuel source and the combustion chamber. In order to improve setting devices of this type, the metering device (20) has an adjusting device (30) for the metered volume, which adjusting device (30) responds to the fuel pressure.

Abstract: An internal combustion-engined setting tool includes a drive piston (15) displaceably supported in the piston guide (17) and displaceable in a setting direction (4) by expandable gases produced in the main combustion chamber (11) of the tool and pre-chamber (20) for generating pressure that is transmitted to the main combustion chamber (11) before the ignition (19) of the air-fuel mixture in the main combustion chamber takes place, with the pre-chamber (20) being formed by space a within the piston guide (17) beneath a bottom of the drive piston (15) remote from the main combustion chamber (11), when the drive piston occupies its initial position, and with the pre-chamber (20) being connected with the main combustion chamber (11) by a transfer guide.

Abstract: The present invention is directed to a combustion-operated setting device for driving fastening elements such as nails, bolts and pins into a substrate, with a combustion chamber (12) that has at least one combustion chamber outlet (13) in which a fuel gas mixture can be ignited for driving a driving piston (16) guided in a piston guide (17), and with a locking and unlocking mechanism (20) for unlocking the at least one combustion chamber outlet (13) in the starting position (31) of the driving piston (16) and for locking the at least one combustion chamber outlet (13) outside of the starting position (31) of the driving piston (16). The locking and unlocking mechanism (20) has a magnet (21) for detecting the driving piston (16) in the starting position (31).

Abstract: A setting tool assembly for driving fastening elements in constructional components includes a combustion energy-operated setting tool (10), a fuel source (11), a metering head (20) for metering a predetermined amount of liquid fuel or gaseous fuel stored in the fuel source (11) into the combustion chamber (12) of the setting tool (10), the metering head (20) having an inlet (23) communicating with the fuel source (11), at least two outlets (42, 52, 62, 72), and at least two metering valves (40, 50, 60, 70) which connect the inlet (23) with respective outlets and which have different volumes of metering chambers (41, 51, 61, 71), and a device for selectively connecting the outlets of the metering head (20) with the combustion chamber (12).

Abstract: A device for sealing a gap (7) between a first cylindrical part (2) and a second cylindrical part (5), in which the first cylindrical part (2) is received, includes a sealing ring (8) located in a circumferential groove (9) formed in the outer circumferential surface of the first cylindrical part (2), and at least one elastic element (10) located in the circumferential groove (3) for biasing the sealing ring (8) radially outwardly.

Abstract: The present invention relates to a propellant container (2) for an internal combustion operated setting tool (10) having a housing (21) and a housing internal space (22) for receiving a propellant (23). A portable electrical power source (40) such as a battery or a battery pack is arranged on the propellant container (2). The invention further relates to an internal combustion operated setting tool (10) having electrical consumers (30), a setting mechanism (12) that can be driven by a propellant (23) and a receptacle (15) for a propellant container (20).