Device used to move automatic guns in a vertical plane. A reversing or reciprocating drive system provides motion.
喷枪在垂直面自动移动的装置，一个回动的或往复式的提供移动的装置。
2
It has a fully working Stephenson link motion for reversing and controlling the point of cutoff of both cylinders.
它有一个充分的工作斯蒂芬森链接的议案，为扭转和控制点，截止双方的气瓶。
3
No external part is required by the device for reversing the cylinder, and the high-speed back-and-forth motion can be achieved, so that an object can move fast.