POWER CUTTING TOOL WITH SYNCHRONIZED DUST CONTROL DEVICE

摘要

PURPOSE: An electric cutting tool with a synchronized dust control device is provided to synchronously drive and stop two motors through two circuits as the power from main and sub electric circuits is selectively or simultaneously supplied and cut off. CONSTITUTION: An electric cutting tool with a synchronized dust control device comprises a frame, an electric motor(12), a power cutting blade, main and sub electric circuits(24,26). The electric motor is supported to move on the frame. The power cutting blade is moved by the electric motor. The main electric circuit comprises a master switch(20) with a switch lever and is connected to the electric motor according to the on-off control of the main switch. The sub electric circuit includes a first terminal for instant connection to a power supply, a second terminal for instant connection to a plug of an electric plug and cord assembly(76), and a switch which supplies or cuts off electricity according to the control by the switch lever of the main switch.