发明授权
US5979215A Hydraulic tool with rapid ram advance 失效
液压工具具有快速提升

Hydraulic tool with rapid ram advance
摘要:
A hydraulic tool having a frame, a conduit system in the frame, a pump in the conduit system, a ram movably connected to the frame, and a mechanical actuator provided in the conduit system for contacting a rear end of the ram. The conduit system is adapted to conduit hydraulic fluid from the pump against both the rear end of the ram and a rear end of the mechanical actuator.
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