US 11,805,723 B2
Working device and working machine having the same
Go Takaki, Osaka (JP); Sumio Yagyu, Osaka (JP); and Yukifumi Yamanaka, Osaka (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Jun. 25, 2020, as Appl. No. 16/911,660.
Application 16/911,660 is a continuation of application No. PCT/JP2019/018089, filed on Apr. 26, 2019.
Claims priority of application No. 2018-087244 (JP), filed on Apr. 27, 2018.
Prior Publication US 2020/0323127 A1, Oct. 15, 2020
Int. Cl. A01C 7/08 (2006.01); A01C 15/00 (2006.01); A01C 19/02 (2006.01); B60L 7/02 (2006.01)
CPC A01C 7/08 (2013.01) [A01C 15/005 (2013.01); A01C 19/02 (2013.01); B60L 7/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A working device to be connected to a traveling vehicle having a prime mover, the working device being configured to perform agricultural work, comprising:
a working portion to rotate to perform the agricultural work;
an electric motor to be driven by electric power;
a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power generated by the electric motor to the working portion; and
a regeneration resistor to consume regenerative power generated in the electric motor, the regeneration resistor being arranged at a position to be cooled by wind generated by rotation of the working portion.