| 摘要 |
A valve arrangement for use in a device for propelling a projectile with compressed gas, such as a paint ball marker, has a body which defines a first space for receiving compressed gas, a second space for receiving compressed gas, a first valve for selectively venting gas from the first space, and a second valve, actuated in response to the venting of gas from the first space, for releasing gas from the second space to propel the projectile. The valve arrangement may be used in various types of devices, including a revolver style apparatus in which one or more of the valve arrangements are placed in chambers of a cylinder. The valve arrangement may also be used in a cartridge or shell arrangement, which may then be loaded into a device adapted to accept and fire such cartridges or shells.
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