Hand-held firing device comprising several cartridges
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Accused Products
Abstract
The inventive firing device (1) comprises a cartridge reception unit (11) in which each of several cartridges (3a to 3d) is provided with one propellant (132) and is interchangeably disposed in one reception chamber (9), and a cover part (7) closing the rear section of the device by means of which cartridges can be replaced. A fluid and/or powdered substance (14) that can be propelled by means of the triggered propellant (132) is stored in each cartridge. Triggering units for the cartridges (3a-3d) which can be activated sequentially by a trigger element (21) are disposed in the cover part (7). In order not to harm the user when replacing cartridges, the cartridge reception unit (11) and the top part of each cartridge are aligned with each other so as to seal the cartridge area (9) at least following the firing of the cartridge, thereby leaving no substantial quantity of the substance (14) in the firing device (1) outside the cartridges (3a-3d).
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Citations
35 Claims
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1-9. -9. (canceled)
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10. A firing device (1) having two or more cartridges and a cartridge holding unit (11),
the cartridge holding unit (11) has two or more holding areas (9) for a respective cartridge (3a-3d), with each holding area having a wall, each cartridge has a cartridge propellant charge (15, 132) and a fluidic and/or powdery active substance (14), in which case the active substance (14) can be driven out by means of the propellant charge as means to be ejected, the firing device (1) has initiation units for the cartridges (3a-3d), the initiation units have an initiation element (21) for sequential activation of the cartridges (3a-3d), characterized by an outlet nozzle (13a-13d) which matches the respective cartridge (3a-3d), through which the active substance which is stored in the respective cartridge can be ejected after ignition of the cartridge propellant charge, each outlet nozzle (13a-13d) has a part which governs the jet formation of the active substance which can be ejected, a free area which is arranged in front of the significant part of the outlet nozzle, a rear part of the firing device and a cover part, with the cover part having the initiation units and closing the rear part of the firing device, the cartridge holding unit is designed such that it can be folded away, unfolded or removed with respect to the cover part for replacement of the cartridges, the closing device has sealing means and each cartridge has a head area as well as an external contour, in which case the cartridge holding unit and the head area of each cartridge can be sealed with respect to one another in a fluid-tight manner by means of one of the sealing means, or the cartridge holding unit (11) and the head area of each cartridge have a geometric configuration with a tolerance, and the tolerance is of such a magnitude that expansion of the external contour of the relevant cartridge in its head area during firing is obtained such that the head area of each cartridge is sealed in a fluid-tight manner with respect to the wall of the holding area or the nozzle front area, such that no active substance can be forced away from the nozzle to the rear in the direction of the propellant charge during firing.
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23. A firing device (1) having two or more cartridges and a cartridge holding unit (11),
the cartridge holding unit (11) has two or more holding areas (9) for a respective cartridge (3a-3d), with each holding area having a wall, each cartridge has a propellant charge (132) and a fluidic and/or powdery active substance, in which case the active substance (14) can be driven out by means of the propellant charge as means to be ejected, the firing device has initiation units for the cartridges (3a-3d), and the initiation units have an initiation element (21) for sequential activation of the cartridges (3a-3d), characterized by a rear part of the firing device and a cover part, with the cover part (7) closing the rear part of the firing device, in which case the cover part (7) is designed such that it can be folded away, unfolded or removed from the cartridge holding unit (11) for replacement of the cartridges (3a-3d), and the initiation units are arranged in the cover part (7), an external contour which is similar to a bar, in order that the firing device can be held in the fist, with the arm bent upwards, in the operating state, the cover part has a rear end-face external contour in which the initiation element (21) is arranged, in order that it can be operated by the thumb of the fist holding it.
Specification