Lawn mower
AssigneeTechtronic Cordless GP
InventorsRyan Williams, Ryan Kropfelder, James Rollins
Life of this patent
Estimating the term…
Abstract
Lawn mowers are provided. A lawn mower includes: a mower deck; a cutting implement disposed below the mower deck; a handle coupled to the mower deck; a battery receiver configured to receive one or more batteries; a rear drive wheel; a forward drive wheel; a rear transmission coupled to the rear drive wheel and configured to receive power from the one or more batteries; a forward transmission coupled to the forward drive wheel and configured to receive power from the one or more batteries; and a controller configured to control at least one of the rear or forward transmissions.
Claims19
A lawn mower comprising:
- a mower deck;
- a cutting implement disposed below the mower deck;
- a handle coupled to the mower deck;
- a battery receiver configured to receive one or more batteries;
- a rear drive wheel;
- a forward drive wheel;
- a rear transmission coupled to the rear drive wheel and configured to receive power from the one or more batteries;
- a forward transmission coupled to the forward drive wheel and configured to receive power from the one or more batteries;
- and
- a controller configured to control the rear and forward transmissions,
- wherein one of the forward or rear transmissions always propels the lawn mower when the lawn mower is in a single-axle drive mode, and wherein the controller selectively activates the other of the forward or rear transmissions to also propel the lawn mower when the lawn mower is in an all-wheel-drive mode.
A method of operating a lawn mower, the method comprising:
- operating the lawn mower in a single-axle drive mode whereby a controller of the lawn mower activates only a first electronically controlled transmission, the first electronically controlled transmission being associated with a shaft coupled with one of a forward drive wheel and a rear drive wheel;
- in response to switching the lawn mower into an all-wheel-drive mode, activating, by the controller, the first electronically controlled transmission and a second electronically controlled transmission to drive the lawn mower, the second electronically controlled transmission being associated with a shaft coupled with the other one of the forward drive wheel and the rear drive wheel;
- and
- moving the lawn mower using the first and second electronically controlled transmissions, wherein the first and second electronically controlled transmissions are each configured to receive electrical power from one or more batteries, and wherein rotational speeds of the first and second electronically controlled transmissions are different from one another.
Dependencies are inferred from the claim text.