US 7,540,132 B2
Electric working machine
Kenzo Shimada, Wako (Japan); Takao Kobayashi, Wako (Japan); Tetsuo Iida, Wako (Japan); Toshiaki Takizawa, Wako (Japan); Yasunori Yamamoto, Wako (Japan); and Yoshihisa Hirose, Wako (Japan)
Assigned to Honda Giken Kogyo Kabushiki Kaisha, (Japan)
Filed on Jun. 21, 2002, as Appl. No. 10/177,416.
Claims priority of application No. 2001-252039 (JP), filed on Aug. 22, 2001; and application No. 2001-252045 (JP), filed on Aug. 22, 2001.
Prior Publication US 2003/0037523 A1, Feb. 27, 2003
Int. Cl. A01D 69/00 (2006.01)
U.S. Cl. 56—11.9  [56/320.1] 8 Claims
OG exemplary drawing
 
7. An electric lawn mower comprising: a housing containing a cutting blade; an electric motor having an output shaft connected to the cutting blade; one or more rechargeable batteries for driving the electric motor; a control section for controlling the electric motor; a scroll portion provided near one lateral side of the housing for ejecting grass clippings of grass cut by the cutter blade; and a relay member connected between the batteries and the control section for electrical connection therebetween and having a single connector provided on a second lateral side of the housing opposite the first lateral side and 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 single connector when the power on/off key is removed therefrom, and the batteries and the control section being electrically connected to each other by insertion of the removable power on/off key into the single connector and being electrically disconnected from each other to disable the electric motor by removal of the power on/off key from the single connector.