Gun for firing electrically-ignitable cartridges containing electronic components
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United States of America Patent
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-
Apr 8, 2003
Grant Date -
Apr 25, 2002
app pub date -
Oct 22, 2001
filing date -
Oct 20, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A gun having a wedge-type breech block and a barrel seated in a cradle for firing electrically-ignitable cartridges containing electronic components, and an ignition contact (4) for connection to an external current source, and a signal contact (5) for connecting the electronic components to an external electronic control device are disposed on the cartridge base (3). To ensure reliable ignition of the cartridge, and transmission of data from the cartridge, an axially displaceable ignition and signal-transmission unit (8) is provided in the breech block, and includes a housing (11) having two parallel, axial guides (12, 13), and two spring-loaded, needle-shaped contact devices (16, 17) arranged to be displaced inside the respective guides such that, in the extended position of the unit (8), the first contact device (16) is pressed against the cartridge ignition contact (4) and the second contact device (17) is pressed against the cartridge signal contact (5).
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