US 11,653,598 B2
Electric riding lawn mower
Qian Liu, Nanjing (CN); Toshinari Yamaoka, Nanjing (CN); Zhen Wang, Nanjing (CN); and Fangjie Nie, Nanjing (CN)
Assigned to Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed by Nanjing Chervon Industry Co., Ltd., Nanjing (CN)
Filed on May 26, 2022, as Appl. No. 17/825,298.
Application 17/825,298 is a continuation of application No. 16/909,549, filed on Jun. 23, 2020.
Application 16/909,549 is a continuation of application No. PCT/CN2018/123856, filed on Dec. 26, 2018.
Claims priority of application No. 201711457168.5 (CN), filed on Dec. 28, 2017; and application No. 201810885961.3 (CN), filed on Aug. 6, 2018.
Prior Publication US 2022/0279724 A1, Sep. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A01D 69/00 (2006.01); A01D 69/02 (2006.01); A01D 34/64 (2006.01); A01D 34/78 (2006.01); A01D 101/00 (2006.01)
CPC A01D 69/02 (2013.01) [A01D 34/64 (2013.01); A01D 34/78 (2013.01); A01D 2101/00 (2013.01)] 28 Claims
OG exemplary drawing
 
1. An electric riding lawn mower comprising:
a seat for a user;
a main frame configured to support the seat;
a power output assembly comprising a mowing element for outputting power to realize a mowing;
a walking assembly configured to at least drive the electric riding lawn mower to travel on a surface and comprising a second motor to drive the walking assembly; and
a power supply device comprising a plurality of first battery packs for powering a first motor and the second motor the electric riding lawn mower;
wherein the power output assembly comprises the first motor for driving the mowing element to output power;
the first motor and the second motor are electric motors;
each of the plurality of first battery packs comprises:
a first battery pack housing; and
battery cells disposed in the first battery pack housing;
wherein when the power supply device is mounted to the main frame, the plurality of first battery packs of the power supply device form a pluggable connection with the main frame, the battery cells are lithium batteries, and the plurality of first battery packs are pluggably connected to the main frame and are configured to power a hand-held garden tool and are capable of reciprocally powering the first motor and the second motor of the electric riding lawn mower, and a discharge power of all of the plurality of first battery packs in the power supply device is greater than or equal to 2000 W.