Patent ID: 7540132
Filing Date: 2009-06-02
Classification: A01D

Abstract:
1. An electric working machine comprising: a machine body section; one or more rechargeable batteries mounted in the machine body section; an electric motor driven by the batteries; a control section for controlling the electric motor to allow the machine body section to travel and perform various functions; and a single relay member provided between the batteries and the control section for electrical connection therebetween and having a single exposed connector into which a power on/off key or a battery charger connector are alternatively removably insertable, the batteries being charged by insertion of the battery charger connector into the exposed connector when the power on/off key is removed, and the battery and the control section being electrically connected to each other by insertion of the removable power on/off key into the exposed connector and being electrically disconnected from each other to disable the electric motor by removal of the power on/off key from the exposed connector.