Patent ID: 8266879
Filing Date: 2012-09-18
Classification: A01D

Abstract:
1. A riding mower comprising: a vehicle body; a mower unit supported to the vehicle body such that the mower unit can be raised and lowered; a raising and lowering control lever disposed on the vehicle body and operable to be moved between a neutral position and a raising position and between the neutral position and a lowering position; a raising and lowering mechanism, including one or more members operatively connected to the raising and lowering control lever and one or more members operatively connected to the mower unit, for raising and lowering the mower unit based on a control displacement of the raising and lowering control lever from the neutral position; a clutch lever disposed on the vehicle body and operable to be moved between an engage position and a disengage position; a PTO mechanism, operatively connected to the clutch lever and including one or more members operatively connecting a transmission clutch of the mower to the mower unit, for engaging driving power to the mower unit based on a displacement of the clutch lever to the engage position and disengaging the driving power to the mower unit based on a displacement of the clutch lever to the disengage position; an operatively connecting mechanism having a first displacement transmitting path comprised of one or more members operatively connected to the raising and lowering lever and to the raising and lowering mechanism for feeding back a raising and lowering displacement of the raising and lowering mechanism to the raising and lowering control lever, and a second displacement transmitting path comprised of one or more members operatively connected to the clutch lever and to the raising and lowering mechanism for feeding back the raising and lowering displacement of the raising and lowering mechanism to the clutch lever, wherein when the raising and lowering mechanism reaches a predetermined height, the operatively connecting mechanism transmits, to the raising and lowering control lever, a return-to-neutral displacement having a distance sufficient for returning the raising and lowering control lever to the neutral position from the raising position and from the lowering position, and transmits, to the clutch lever, a disengaging displacement having a distance sufficient for returning the clutch lever to the disengage position from the engage position; a first adjusting operation member operatively connected to the first displacement transmitting path of the operatively connecting mechanism for adjusting a first triggering displacement, at which the raising and lowering displacement of the raising and lowering mechanism is transmitted to the raising and lowering control lever as the return-to-neutral displacement; and a second adjusting operation member operatively connected to the second displacement transmitting path for adjusting a second triggering displacement, at which the raising and lowering displacement of the raising and lowering mechanism is transmitted to the clutch lever as the disengaging displacement.