PYROTECHNIC DRIVING DEVICE
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United States of America Patent
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Mar 24, 2015
filing date -
Mar 28, 2014
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Abstract
The invention relates to a driving device comprising: a hand-held housing with a piston member arranged therein for transmitting energy to a securing element to be driven in; an interchangeable propellant charge and a combustion chamber arranged between the propellant charge and the piston member, said chamber extending around a central axis (A); and an actuator, by means of which the energy transmitted by the propellant charge to the piston member can be variably adjusted, wherein a blow-off channel connected to the combustion chamber can be exposed by means of a movable slide of the actuator and the slide comprises a body which completely encircles the central axis (A).
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