| 摘要 |
A structurally improved spray gun includes a hollow housing having a hollow handle, an electromagnet in the housing to acturate an oscillating armature which repeatedly impinges a piston in a cylinder to aspirate the paint from a container into the cylinder to spray out to the atmosphere through a nozzle at front of the cylinder. It is characterized in a locking device which is disposed in the housing beneath the cylinder to lock or unlock the cylinder in a rapid and convenient manner.</PTEXT>
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