All wheel drive, walk behind mower

  • US 9,055,713 B2
  • Filed: 01/30/2015
  • Issued: 06/16/2015
  • Est. Priority Date: 02/13/2012
  • Status: Active Grant
First Claim
Patent Images

1. A lawn mower comprising:

  • a blade housing;

    an engine supported at least in part by the blade housing to selectively rotate a drive shaft;

    a mobility assembly selectively operably coupled to the engine to provide mobility of the lawn mower responsive at least in part to operation of the engine, wherein the mobility assembly comprises a first set of wheels and a second set of wheels;

    a drive system comprising;

    a first transmission operably coupled to the first set of wheels;

    a first flexible driving member;

    a second transmission operably coupled to the second set of wheels; and

    a second flexible driving member; and

    a remote actuator operably coupled to the drive system,wherein, responsive to a single actuation of the remote actuator, the lawn mower is switched between a first drive mode and an all wheel drive mode,wherein, in the all wheel drive mode, the first flexible driving member engages the first transmission to provide drive power from the drive shaft to the first set of wheels, and the second flexible driving member engages the second transmission to provide drive power from the drive shaft to the second set of wheels, andwherein the first drive mode is a no wheel drive mode, and wherein, responsive to the single actuation of the remote actuator, the lawn mower is switched from the no wheel drive mode to the all wheel drive mode.

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