发明授权
US4665349A Apparatus for controlling the running of carriage 失效
用于控制滑架运行的装置

Apparatus for controlling the running of carriage
摘要:
The kinetic energy or speed of a carriage running under inertia is detected and the forward or reverse propelling force imparted to the carriage is varied in accordance with the detected kinetic energy or speed for accelerating, decelerating or stopping the carriage without undue shock.
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