Abstract: A combustion-engined setting tool for driving fastening elements such as nails, bolts, pins and the like in a constructional component, includes a combustion chamber (14) having an axially displaceable wall (14) displaceable over at least one guide (29) arranged in the combustion chamber (14) by a press-on element (30), a guide cylinder (12) adjoining the combustion chamber (14) and in which a setting piston (11) is displaceable for driving the fastening elements in the constructional component, and a lever drive (20) operatively connecting the press-on element (30) with the displaceable wall (17) for displacing the same in accordance with a transformation ratio between a press-on stroke and a displacement stroke of the displaceable wall (14).

Abstract: A hand-held drive-in power tool for driving in fastening elements includes a drive-in ram (13) displaceable in a guide (13) located in the tool housing, a drive (30) for driving the drive-in ram (13) and including at least one preloaded drive spring (31), a tensioning device (70) for preloading the drive spring (31), and a transmission mechanism (32) arranged between the drive spring (31) and the drive-in ram (13).

Abstract: The present invention relates to a combustion-engined setting tool for driving fastening elements such as nails, bolts, pins and the like in a constructional component and including a fuel source (11), a fuel conduit (12), from the fuel source (11) to the combustion chamber (13), at least one metering device (30) arranged in the fuel conduit (12) between the fuel source (11) and the combustion chamber (13). The setting tool further includes a control device (20) for operating the metering device. The metering device (30) is formed for metering out fuel in form of a n-number of discrete separate portions, with a volume of separate portions being preset and remaining constant.

Abstract: A drive-in tool (10) for driving in fastening elements (60) includes a driving ram (13) which is displaceably supported in a guide (12), a drive unit (30) for the driving ram (13) and having at least one drive flywheel (32) which is set in rotation by an electric motor (31), and a return element (70) for displacing the driving ram (13) its initial position (22) after the completion of the drive-in process and formed as an over-pressure gas spring (70).

Abstract: An electrical drive-in tool includes a driving ram (13) displaceable in a guide (12), and a motor-driven drive flywheel (32) for driving the driving ram (13) and having a first component forming at least a circumferentially arranged rim and formed of a metal selected from a group consisting of steel and alloyed iron, and a second component formed of a material having a density greater than a density of the metal the first component is formed of.

Abstract: A drive-in tool (10) for driving in fastening elements (60) includes a driving ram (13) which is displaceably supported in a guide (12), a drive unit (30 for the driving ram (13) and having at least one drive flywheel (32) which is set in rotation by an electric motor (31), and a return device (70) for displacing the driving ram (13) its initial position (22) after the completion of the drive-in process and having a return motor (71) connected with the driving ram (13) by a return mechanism.

Abstract: A drive-in tool for driving in fastening elements includes a driving ram (13) displaceable in a guide (12) and driven by a drive flywheel (32), a drive unit (30) having an electric motor (31) for rotating the drive flywheel (32), a drive coupling (35) for connecting a coupling section (15) of the driving ram (13) with the at least one drive flywheel (32), and an acceleration device (40) for accelerating the driving ram (13), together with the coupling section (15) in a direction of the drive flywheel (32).

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 invention relates to a combustion driven working tool having a combustion chamber (2), a piston (8) guided in a cylinder (5), an ignition system for igniting a fuel supplied to the combustion chamber (2) for driving the piston (8) and a fan (7) at least for ventilating the combustion chamber (2). The running time and/or the speed of the fan (7) can be set as a factor of a measured temperature to realize a combustion driven working tool where an optimal ignition behavior can be set under changing working conditions, in particular under conditions of changing external temperature. A combustion chamber temperature is measured by a first temperature sensor (3) arranged on the combustion chamber (2) and supplied to a control unit (9), which calculates the cooling time and/or the speed for the fan (7) as a factor of the measured combustion chamber temperature and supplies these values to the motor (4).

Abstract: A combustion-engined setting tool for driving fastening elements such as nails, bolts, pins and the like in a constructional component, includes a combustion chamber (14) having an axially displaceable wall (14) displaceable over at least one guide (29) arranged in the combustion chamber (14) by a press-on element (30), a guide cylinder (12) adjoining the combustion chamber (14) and in which a setting piston (11) is displaceable for driving the fastening elements in the constructional component, and a lever drive (20) operatively connecting the press-on element (30) with the displaceable wall (17) for displacing the same in accordance with a transformation ratio between a press-on stroke and a displacement stroke of the displaceable wall (14).

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 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: 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: A combustion-engined setting tool for driving a fastening element in a constructional component includes a combustion chamber in which an oxidation medium-fuel mixture is combusted, a device for adjusting an oxidation medium-fuel ratio of the oxidation medium-fuel mixture, and manually-operated adjusting unit for inputting site parameters and connected with the adjusting device for setting the oxidation medium-fuel ratio of the oxidation medium-fuel mixture.

Abstract: A combustion-engined setting tool for driving in fastening elements includes a combustion chamber (22), a drive piston (8) displaceable in a piston guide (5), which adjoins the combustion chamber, in a setting direction upon combustion of a fuel gas in the combustion chamber (22), a metering chamber (49) for metering a predetermined amount of the fuel gas to the combustion chamber (22), a pressure control valve (53) connected with the metering chamber (49) for adjusting an amount of the fuel gas metered by metering chamber (49), and an ignition device (15) for igniting the fuel gas in the combustion chamber (22).

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 combustion power-operated setting tool has a propellant-driven setting mechanism, (12) an ignition device (18) for igniting a propellant, a receptacle (15) for receiving a propellant holder (20) and a device (30) for sensing presence of the propellant holder (20) in the receptacle (15) and which blocks ignition of the propellant by the ignition device in absence of the propellant holder in the receptacle (15) and provides for the ignition of the propellant by the ignition device upon sensing the presence of the propellant holder (20) in the receptacle (15).

Abstract: The invention relates to a combustion driven working tool having a combustion chamber (2), a piston (8) guided in a cylinder (5), an ignition system for igniting a fuel supplied to the combustion chamber (2) for driving the piston (8) and a fan (7) at least for ventilating the combustion chamber (2). The running time and/or the speed of the fan (7) can be set as a factor of a measured temperature to realize a combustion driven working tool where an optimal ignition behavior can be set under changing working conditions, in particular under conditions of changing external temperature. A combustion chamber temperature is measured by a first temperature sensor (3) arranged on the combustion chamber (2) and supplied to a control unit (9), which calculates the cooling time and/or the speed for the fan (7) as a factor of the measured combustion chamber temperature and supplies these values to the motor (4).