Reverse lockout feature for a mower
September 25, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMechanical safety interlock for preventing mower operation during reverse travel Electrical interlock safety control to prevent operation of mower during reverse travel Control for hydrostatic transmission Control system and method for stopping the rotation of a cutting blade when the mower is placed in reverse Mowing vehicle control system Reverse mowing prevention device Method and apparatus for restricting grass cutting of a lawn mower in reverse Patent #: 6405513 InventorAssigneeApplicationNo. 09/963059 filed on 09/25/2001US Classes:56/10.8With selective control of drive meansExaminersPrimary: Pezzuto, Robert E.Attorney, Agent or FirmInternational ClassF16H 61/16 (20060101)AbstractA lawn mower including a frame, an engine having an electrical system and attached to the frame, a mower deck assembly connected to the frame and having a rotating blade selectively engaged with the engine, a reversible transmission driven by the engine and having a shift mechanism having forward and reverse positions, a switch in electrical communication with the electrical system and mower deck assembly, and a solenoid attached to the transmission, in electrical communication with the switch, and having a plunger. The plunger has an extended position when the switch is in its first position and the blade engages the engine, wherein the plunger blocks movement of the shift mechanism into its reverse position, and a retracted position when the switch is in its second position and the blade disengages the engine, wherein the plunger does not block movement of the shift mechanism into its reverse position. | |
