UP AND DOWN DRIVING EQUIPMENT OF PEN PLOTTER

摘要

The device minimizes noise caused when the pen moves up and down and prevents a shaking of the pen, specially even when removed of a rail of the plotter. The device has the construction that a damper is fixed to a left side fixing frame; on the left plotter bar a cam formed by a lug jaw and a solenoid cam formed by a hole are set fixedly; on the solenoid cam an upper lug jaw of a plunger is assembed; on the front face shaft of upside of an upper carriage body, a hook capable of setting the pen is set; into the hole of the upper carriage body a lug jaw formed on the upper side of a lower carriage body is inserted; the upper and lower carriage bodies are elastically supported by a spring to be set on a carriage shaft; and the carriage shaft is fixed to the fixing frames of both sides.