Radiator support structure

Abstract

A riding type mower comprises: a plurality of wheels; a vehicle body supported by the plurality of wheels; a water-cooled engine located in a rear region of the vehicle body; a hood for covering the engine; a driver's seat located forwardly of the hood; a rollover protection frame located between the driver's seat and the water-cooled engine, the rollover protection frame having a pair of right and left support columns spaced apart from each other in a lateral direction; a radiator for the water-cooled engine located between the pair of the support columns of the rollover protection frame.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side elevation of a riding type mower;

FIG. 2 is a plan view of the riding type mower;

FIG. 3 is a side view of a rear portion of a vehicle body;

FIG. 4 is a rear view of the vehicle body;

FIG. 5 is a side view of the rear portion of the vehicle body with a hood and an upper cover opened;

FIG. 6 is a side view showing a body frame and a rollover protection frame;

FIG. 7 is an exploded perspective view showing the body frame and rollover protection frame;

FIG. 8 is a perspective view showing a radiator support structure;

FIG. 9A and 9B are side views showing a seal structure around the radiator;

FIG. 10 is a plan view showing the seal structure around the radiator;

FIG. 11 is a perspective view showing a lock structure of the upper cover and hood; and

FIG. 12 is a sectional view showing an exhaust structure of a muffler.

Claims

1. A riding type mower comprising: a plurality of wheels;a vehicle body supported by the plurality of wheels;a water-cooled engine located in a rear region of the vehicle body;a hood for covering the engine;a driver's seat located forwardly of the hood;a rollover protection frame located between the driver's seat and the water-cooled engine, the rollover protection frame having a pair of right and left support columns spaced apart from each other in a lateral direction;a radiator for the water-cooled engine located between the pair of the support columns of the rollover protection frame.

2. A riding type mower according to claim 1 further comprising: a radiator support provided to the pair of the support columns for connecting the radiator to the rollover protection frame.

3. A riding type mower according to claim 1 further comprising: right and left vehicle frames forming a part of the vehicle body and each of rear end portions of the right and left vehicle frames connected to respective one of right and left proximal ends of the rollover protection frame;auxiliary frames connecting right and left longitudinally intermediate portions of the right and left vehicle frames with corresponding right and left portions of the support columns at right and left locations above the first portions above the proximate portion of the support columns.

4. A riding type mower according to claim 3 further comprising: lateral frames connecting the right and left auxiliary frames at a plurality of locations spaced apart in the longitudinal direction.

5. A riding type mower according to claim 3, wherein the rollover protection frame has second portions that have greater space therebetween than the first portions and transition portions from the first portions to the second portions, and whereineach of the auxiliary frame is connected to the respective transition portion.

6. A riding type mower according to claim 1, wherein the driver's seat is pivotably supported about a lateral shaft such that the driver's seat can be pivoted away from the rollover protection frame, andthe hood is pivotably supported about a further lateral shaft such that the hood can be pivoted away from the rollover protection frame.

7. A riding type mower according to claim 6 further comprising: lock means for maintaining the hood in its closed position and for maintaining the driver's seat in its operating position, wherein the lock means is constructed to release the driver's seat from the operating position after the hood is released from its closed position.

8. A riding type mower according to claim 1 further comprising: the hood extends to between the right and left support column to cover the radiator.