摘要:
A setting tool for driving fastening elements in a constructional component includes piston stop device for braking the setting piston, and is located at an end region of the hollow chamber of the piston guide in which the setting piston is displaceable, and has a damping element supported against a bottom, a stop element for the setting piston and adjoining the damping element in a direction of the hollow chamber, and an inertia body cooperating with the stop element and displaceable in a direction parallel to a longitudinal extent of the setting piston between first and second stops both of which are connected with the stop element and a distance between which, in a direction parallel to the longitudinal extent of the setting piston, is greater than a length of the inertia body in a same direction by length of a decoupling path.
摘要:
The invention concerns a fastener-driving apparatus comprising a tank (8) for storage of a fuel, in particular a liquefied gas, a combustion chamber (4, 5) connected to the tank (8) via a valve element (9), where the combustion chamber (4, 5) has a movable piston (3) to advance a driving ram (2), and an ignition device for ignition of an air-fuel mixture in the combustion chamber, where an injection line (10, 11, 12) is provided between the tank (8) and the combustion chamber (4, 5), where the injection line (10, 11, 12) has optimization with regard to an expansion and/or transport time.
摘要:
A piston holder for a drive piston (8) of a setting tool and having a circumferential adjusting surface (16) inclined toward a central axis (17) thereof so that a diameter of the adjusting surface (16) increase toward a rear, with respect to a setting direction (18) of the setting tool, end of the drive piston (8), with the piston holder including contact elements (22; 24; 36; 38; 40; 41, 52; 53; 58–61) engageable with the adjusting surface (16), and a spring (21; 27; 35; 36; 54; 55; 62) for biasing the contact elements into engagement with the adjusting surface (16).
摘要:
A combustion-operated setting tool for driving fastening elements in a constructional component includes a device (30) for adjusting setting energy applied to a setting piston (15) axially displaceable in a guide space (4) of a piston guide (13). The adjusting device (30) has a separation member (31) adjustably arranged between the receptacle (18) and the guide space (14) of the piston guide (13) and dividing the combustion chamber (20) in a first sub-chamber (21) arranged between the receptacle (18) and the separation member (31) and a second sub-chamber (22) arranged between the separation member (31) and the guide space (14) of the piston guide (13), the separation member (31) having a plurality of through-openings (34, 35) for controlling flow of the combustion gases into the guide space (14) of the piston guide (13), with an active opening cross-section of at least a portion of the through-openings (34, 35) changing dependent on an adjustable position of the separation member (31).
摘要:
A combustion-operated working tool having a housing body (1), which has a cylindrical recess (5) and a piston chamber (2) connecting therewith for receiving a piston (3); an impact plate (8), which is arranged opposite to and at a distance to the cylindrical recess (5) and which can be displaced towards and away from the housing body (1), and a packing sleeve (12) arranged inside and elastically mounted, projecting out of the cylindrical recess (5).
摘要:
An explosion-operated power tool including a housing (1) having a cylindrical cavity (5) and a piston chamber (2) for receiving a drive piston (3) and communicating with the cavity (5), a breech bottom (8) located opposite the cavity (5) and fixedly secured at a predetermined distance from the housing (1), and a sealing sleeve (12) located in the cavity (5) of the housing (1) and displaceable axially away from the breech bottom (8) and toward the breech bottom (8) for enabling, respectively, a sidewise feeding of a catridge (10) for positioning the catridge between the breech bottom and the sealing sleeve (12) and for securing the catridge between the breech bottom (8) and the sealing sleeve (12).
摘要:
A propellant magazine for a propellant-operated setting tool and including a pocket foil (1, 11, 21) having a plurality of recessed, spaced from each other, pockets (2, 12, 22, 42) for receiving each a propellant (3, 13, 23), a cover foil (5, 15, 25) unreleasably connected with the pocket foil (1, 11, 21) for closing the pockets (2, 12, 22), and an electrically conducting strip (7, 17, 27, 37) associated with each pocket (2, 12, 22, 42) and having at least one contact point (8, 9, 18, 19, 28, 29, 31, 32, 38, 39).
摘要:
A piston holder for a drive piston (8) of a setting tool and having a carrier (7) for two expansion legs (22, 23) for frictionally receiving the drive piston (8) therebetween, with the carrier (7) being fixedly secured in the setting tool.
摘要:
The invention relates to a fastener driving tool comprising a tank (5) for storing a fuel, in particular liquefied petroleum gas, a combustion chamber (2) connected to the tank (5), wherein the combustion chamber (2) has a movable piston for powering a driving plunger, and a metering device (4) arranged between the tank (5) and the combustion chamber (2) wherein a defined quantity of fuel can be transported by means of the metering device (4) from a metering space (12) into the combustion chamber (2), and wherein the metering device (4) comprises a movable displacement member (16) for ejecting the fuel out of the metering space (12), wherein the movement of the displacement member (16) is supplied by the pressure of the fuel as the energy source.
摘要:
A combustion-operated setting tool (10) for driving in fastening elements, includes a combustion chamber (15), a ventilator (16), and a motor (17) for driving the ventilator (16). The motor (17) is mounted in a receptacle (20) of a motor-supporting member (21) and is supported at least at one of its axial ends (24, 25) by an annular damping element (30) at a wall portion (22, 23) defining the receptacle (20), with an annular recess (33) arranged at the circumference of the annular damping element (30).