Pyrotechnic driving device
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United States of America Patent
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Dec 25, 2018
Grant Date -
Oct 20, 2016
app pub date -
Nov 25, 2014
filing date -
Nov 26, 2013
priority date (Note) -
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Abstract
The invention relates to a driving device, comprising a hand-held housing having an energy transmission element accommodated therein for transmitting energy to a fastening element to be driven in, an exchangeable propellant charge and a combustion chamber arranged between the propellant charge and the energy transmission element, said combustion chamber extending about a central axis, wherein the combustion chamber is subdivided by means of a dividing member having a number of interruptions into a first subchamber adjoining the propellant charge and at least one second subchamber adjoining the energy transmission element, wherein an ejection region, enclosing a central axis, for the propellant charge is provided in the first subchamber, said ejection region extending between the propellant charge and a central region of the dividing member, wherein the ejection region is bounded at the central region of the dividing member by a closed surface of the dividing member.
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