JP7407672B2 - Front mounted riding mower - Google Patents

Description

The present invention relates to a front-mounted riding mower.

A front-mounted riding mower includes a mowing device located in front of the vehicle body, an elevating link that extends above the mowing device from the vehicle body so as to be able to swing up and down, and supports the mowing device so that it can be raised and lowered, and an elevating link. Some models are equipped with a hydraulic actuator for swinging operation. In this type of front-mounted riding mower, the elevating link has a support part that swingably supports the mowing device using the pivot axis in the direction along the width direction of the vehicle body as a swinging fulcrum. Some devices are configured to be switchable between a lowered state in which the mowing device is supported in a working position with the bottom side facing forward and backward, and an elevated state in which the mower is supported in a maintenance position where the mowing device is raised above the ground and the bottom side faces forward.
An example of this type of front-mount riding lawn mower is a front-mount riding lawn mower disclosed in Patent Document 1. This front-mounted riding lawn mower is equipped with a mower as a grass cutting device and a hydraulic cylinder as a hydraulic actuator.

Japanese Patent Application Publication No. 8-256556

In the above-described front-mounted riding mower, since the mowing device is supported by the elevating link in a maintenance position, maintenance can be easily performed without removing the mowing device from the elevating link. Furthermore, the vehicle body can be moved or stored in a state where the length of the grass cutting device protruding forward from the vehicle body is shorter than when working. However, if a hydraulic oil leak occurs in the hydraulic circuit connected to the hydraulic actuator, the lifting link will lower and the mowing device will lower. You may collide with a step. During maintenance, tools placed on the work floor may become trapped under the mowing equipment.

The present invention provides a front-mounted riding mower that can firmly prevent the lowering of a mowing device with a simple structure even if hydraulic oil leaks.

The front-mounted riding mower according to the present invention includes:
A vehicle body, a mowing device located in front of the vehicle body, an elevating link extending from the vehicle body above the mowing device so as to be able to swing up and down and supporting the mowing device in a manner that allows the mowing device to be raised and lowered; a hydraulic actuator for swinging operation, the elevating link has a support part that swingably supports the mowing device using a pivot axis in a direction along the width direction of the vehicle body as a swing fulcrum; The mowing device is configured to be switchable between a lowered state in which the mowing device is supported in a working posture with the bottom side facing forward and backward of the vehicle body, and an elevated state in which the mowing device is supported in a maintenance posture in which the mowing device is raised from the ground and the bottom side faces forward; A locking posture in which the elevating link in the raised state is connected to the vehicle body and the elevating link is held on the vehicle body in the raised state, and a locking posture in which the elevating link and the vehicle body are disconnected and the elevating link is swung. A locking member is provided that can switch the posture between an unlocking posture and an unlocking posture that allows the locking, the locking member is installed on the vehicle body or the elevating link , and the locking member is a hook that is installed on the vehicle body so as to be swingable up and down. The member is configured to be in the locked position by downward swinging and to be in the unlocked position by upward swinging, and when the position is changed to the locked position, the lifting link is provided with a member. It can be engaged with the lock pin that is present .

According to this configuration, the lifting link in the raised state that supports the mowing device in the maintenance posture can be fixed to the vehicle body by the lock member, so that even if hydraulic oil leaks from the hydraulic circuit, the lifting link can be prevented from lowering. The structure of the lock member is simple, such as a hook structure that connects the vehicle body and the lifting link, and the lifting link can be firmly fixed to the vehicle body, so that the lowering of the mowing device can be firmly prevented with a simple structure.
Further, when the lock member is in the unlocked position, the lock member is located at a higher position than when the lock member is in the locked position, so it is easy to prevent the lock member from becoming an obstacle to the upward movement of the elevating link.

According to this configuration, since the locking member is supported by the support part on the fixed side, it is easier to install the locking member so as not to become an obstacle to the lifting and lowering of the lifting link, compared to when the locking member is supported by the lifting link on the movable side.

The front-mounted riding mower according to the present invention includes:
a vehicle body; a grass cutting device located in front of the vehicle body;
An elevating link extends from the vehicle body above the mowing device so as to be able to swing up and down, and supports the mowing device so as to be operable to move up and down; and a hydraulic actuator that swings the elevating link; The link has a support part that swingably supports the grass cutting device using a pivot shaft along the width direction of the vehicle body as a swinging fulcrum, and the grass cutting device is held in a working position with the bottom side facing the front and rear of the vehicle body. configured to be switchable between a lowered state in which the mowing device is supported and a raised state in which the mowing device is raised above the ground and supported in a maintenance position with the bottom side facing forward, and connects the elevating link in the raised state to the vehicle body; A locking member capable of changing its posture between a locking posture in which the elevating link is held on the vehicle body in the raised state and an unlocking posture in which the elevating link is disconnected from the vehicle body and rocking of the elevating link is allowed. is provided with a spring that urges the locking member to the unlocked position , and the locking member is mounted on the vehicle body so as to be able to swing up and down, and when it swings downward, it assumes the locked position and swings upward. The locked position is maintained by the locking member being connected to the lifting link in the raised state in the locked position.

According to this configuration, the lock member in the unlocked position, which is located at a higher position than in the locked position, can be firmly held in the locked position by the spring so as not to change to the locked position due to vibration or the like.

It is a left side view showing the whole front mount type riding mower. FIG. 2 is a left side view showing a mowing device and a support structure for the mowing device. FIG. 2 is a plan view showing a mowing device and a support structure for the mowing device. FIG. 3 is a left side view showing the mowing device in a maintenance posture. It is a top view which shows the support structure of a hook member. FIG. 7 is a side view showing the left hook member in the upward lock release position. FIG. 7 is a side view showing the right hook member in the upward lock release position.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment which is an example of this invention is described based on drawing.
In the following explanation, regarding the vehicle body of a front-mounted riding mower, the direction of arrow F shown in FIGS. The direction of arrow U shown in Figure 3 is "upward of the vehicle body", the direction of arrow D is "downward of the vehicle body", the direction of the front side of the paper in Figure 1, and the direction of arrow L shown in Figure 3 is "left side of the vehicle body". 1 and the direction of the arrow R shown in FIG. 3 are defined as the "right side of the vehicle body."

[Overall configuration of front-mounted riding mower]
As shown in Fig. 1, a front-mounted riding mower has a vehicle body equipped with a pair of left and right front wheels 1 that can be driven, a pair of left and right rear wheels 2 that can be steered, and a vehicle body that is located in front of the vehicle body. The mowing device 10 is equipped with a mowing device 10 for mowing the grass. A riding-type driving section 5 having a driver's seat 3 and a steering wheel 4 for steering the rear wheels 2 is formed at the front of the vehicle body. A driving unit 7 having an engine 6 is formed at the rear of the vehicle body. A transmission case 8 is provided below the driving section 5. The transmission case 8 houses a transmission (not shown) that receives power from the engine 6 and outputs the input power to the front wheels 1 and the mowing device 10. As shown in FIGS. 2 and 3, an elevating link 20 extends forward from a mission case 8 constituting a body frame of the vehicle body above the mowing device 10 so as to be able to swing up and down. The mowing device 10 is supported by a lifting link 20, and is lifted and lowered by the lifting link 20 between a lowering working state and a raising non-working state.

[Composition of grass cutting device]
As shown in FIGS. 1, 2, and 3, the grass cutting device 10 includes a cutting blade housing 11 and a support frame 24 that is provided above the cutting blade housing 11 and suspends and supports the cutting blade housing 11. ing. Three cutting blades 12 are provided inside the cutting blade housing 11 and are arranged in the width direction of the vehicle body. The three cutting blades 12 have rotating shafts 13 that extend in the vertical direction of the vehicle body, and are rotatably supported on the upper part of the cutting blade housing 11 via the rotating shafts 13. A grounding wheel 27 is supported at the front end portions of left and right front-rear frames 25 of the support frame 24 . The grounding wheel 27 is supported in such a manner that its mounting height relative to the front-rear frame 25 can be adjusted. Anti-scall rollers 14 are provided on the front and rear sides of the cutting blade housing 11 .

The support frame 24 includes a left front-rear frame 25 located above a portion near the left end of the cutting blade housing 11 and extending in a direction along the longitudinal direction of the vehicle body, and a left longitudinal frame 25 located above a portion near the right end of the cutting blade housing 11 in the longitudinal direction of the vehicle body. It is located between the right front-rear frame 25 extending in the direction along the vehicle body width direction and the left and right front-rear frames 25, and connects the intermediate portions of the left and right front-rear frames 25. It has a horizontal frame 26 with a horizontal frame 26.

The left and right front swing support rods 32 are swingably supported on the support frame 24 by dividing into the front part 25a of the left front-rear frame 25 and the front part 25a of the right front-rear frame 25; Left and right rear swinging support rods 34 are provided which are distributed and swingably supported by the rear part 25b of the front-rear frame 25 and the rear part 25b of the right front-rear frame 25. Each of the left and right front swing support rods 32 is slidably engaged in an elongated connection hole 35a of a front support section 35 provided upright at the front of the cutting blade housing 11 and the connection hole 35a. It is connected to the front support part 35 via a connection shaft 32a provided at the free end of the front swing support rod 32. Each of the left and right rear swing support rods 34 is slidably engaged in an elongated connecting hole 36a of a rear support section 36 provided upright at the rear of the cutting blade housing 11, and the connecting hole 36a. It is connected to the rear support part 36 via a connecting shaft 34a provided at the free end of the rear swing support rod 34. The cutting blade housing 11 is suspended and supported by left and right front swinging support rods 32 and left and right rear swinging support rods 34 supported by the support frame 24 .

As shown in FIGS. 2 and 3, the left and right front swing support rods 32 have a single rotation support shaft that is used for supporting the left front swing support rod 32 and for supporting the right front swing support rod 32. 31, and is supported by the front-rear frame 25. The left and right rear swing support rods 34 are supported by the front-rear frame 25 via individual support shafts 33 provided on the left and right rear swing support rods 34, respectively. The left front swing support rod 32 and the left rear swing support rod 34 are interlocked and connected by a left interlocking link 37, and the right front swing support rod 32 and the right rear swing support rod 34 are They are operatively connected by an interlocking link 38.

A mounting angle adjustment mechanism 40 is operatively connected to the left and right front swing support rods 32 and the left and right rear swing support rods 34. The mounting angle adjustment mechanism 40 is provided near the inside of the right front-rear frame 25 and in front of the horizontal frame 26. The mounting angle adjustment mechanism 40 is operatively connected to the left and right front swing support rods 32 by a rotation support shaft 31, and is connected to the left rear swing support rod 34 by the rotation support shaft 31 and the left front swing support rod 34. 32 and a left interlocking link 37, and is interlocked and connected to the right rear swinging support rod 34 via the rotation support shaft 31, the right front swinging support rod 32, and the right interlocking link 38. . The mounting angle adjustment mechanism 40 swings the left and right front swinging support rods 32 and the left and right rear swinging support rods 34 in conjunction with each other, and adjusts the mounting angle of the left and right front swinging support rods 32 with respect to the support frame 24; , the mounting angles of the left and right rear swinging support rods 34 relative to the support frame 24 can be adjusted all at once.

[Supporting grass cutting equipment]
The elevating links 20 are configured by a pair of left and right elevating links 20. As shown in FIG. 3, the left lift link 20 extends from a left support shaft 20a provided at the lower part of the mission case 8 so as to be able to swing up and down. The right lift link 20 extends from a right support shaft 20a provided at the lower part of the mission case 8 so as to be able to swing up and down. As shown in FIGS. 2 and 3, the left and right lift links 20 are connected by lift links 23 to a pair of left and right lift arms 22 that extend forward from the top of the mission case 8 so as to be able to swing up and down. There is. A rotation support shaft 22a that supports the pair of left and right lift arms 22 in an interlockingly connected state is provided with a swing arm 22b that rotates the rotation support shaft 22a. A hydraulic cylinder 21 is operatively connected to the swing arm 22b, and the left and right lift arms 22 are operatively connected to the hydraulic cylinder 21 via a rotation support shaft 22a and a swing arm 22b. The swing arm 22b and the hydraulic cylinder 21 are provided inside the mission case 8. The left and right lifting links 20 are interlocked and connected to a hydraulic cylinder 21 via a lift link 23, a lift arm 22, a rotation support shaft 22a, and a swing arm 22b, and are connected to a hydraulic cylinder 21 by the expansion and contraction operation of the hydraulic cylinder 21 as a hydraulic actuator. 20a is used as a swinging fulcrum for swinging up and down operation.

As shown in FIG. 3, connecting portions 26a are formed at the left and right ends of the horizontal frame 26 in the support frame 24. As shown in FIG. The left connecting portion 26a is connected via a pivot shaft 29 to a support portion 20b formed at the tip of the left lifting link 20, and the right connecting portion 26a is connected to the supporting portion 20b formed at the tip of the right lifting link 20. The support portion 20b is connected to the support portion 20b via a pivot shaft 29. The support portions 20b of the left and right lifting links 20 enable the mowing device 10 to swing relative to the lifting links 20 using a pivot axis X extending in the width direction of the vehicle body as a swinging fulcrum.

The support frame 24 in the mowing device 10 is supported by the left and right lifting links 20, and when the left and right lifting links 20 are lowered by the contraction operation of the hydraulic cylinder 21, the grass cutting device 10 is lowered by the left and right lifting links 20. . As shown in FIG. 2, when the mowing device 10 is lowered and the ground contact wheels 27 hit the ground G, the mowing device 10 enters the descending state, and the lower surface of the mowing device 10 is near the ground G and the vehicle body is turned forward and backward. Become. The cutting blade housing 11 is maintained in a working state by being suspended and supported by left and right front swinging support rods 32 and left and right rear swinging support rods 34 supported by the support frame 24 . When mowing the grass, as shown in FIG. 2, the first lock pin 30 installed in the left connecting portion 26a is inserted into the first pin hole 20c provided in the left lifting link 20 (see FIG. 4). In the left and right connecting portions 26a of the support frame 24, a second lock pin 28 is attached to a pin hole 26b (see FIG. 4) provided in the connecting portion 26a and a second pin hole 20d provided in the elevating link 20. As a result, the support frame 24 is locked against the lifting link 20 so as not to swing, and swinging of the mowing device 10 using the pivot shaft 29 as a swinging fulcrum is prevented. When mowing work is performed, by operating the mounting angle adjustment mechanism 40, the mounting angles of the left and right front swinging support rods 32 and the left and right rear swinging support rods 34 with respect to the support frame 24 are adjusted, thereby adjusting the mounting angle of the cutting blade housing 11. The hanging height can be changed to adjust the mowing height. When the mounting angle adjustment mechanism 40 is operated to the upward side of the cutting blade housing 11, the load of the cutting blade housing 11 is applied to the mounting angle adjustment mechanism 40, but the support springs 45 connected to the left and right rear swinging support rods 34 This assists the lifting operation of the cutting blade housing 11.

When the left and right lifting links 20 are lifted by the extension of the hydraulic cylinders 21, the grass cutting device 10 is lifted by the left and right lifting links 20, and when the left and right lifting links 20 rise to a set height such as the lifting end, the grass cutting device 10 is lifted. 10 is in the raised non-working state, and the lower surface side of the mowing device 10 is located upwardly away from the ground G.

When performing maintenance on the mowing device 10, as shown in FIG. 4, the rotating shaft 9 (see FIG. 1) that transmits power to the mowing device 10 from the mission case 8 is removed, and the first lock pin 30 is connected to the left elevating link. 20 from the first pin hole 20c, the left and right second lock pins 28 are removed from the connecting portion 26a and the first pin hole 20c of the elevating link 20, and the elevating link 20 is operated to the raised state. Then, the rear end side of the mowing device 10 can be lowered using the pivot axis X as a swinging fulcrum, and the bottom side of the mowing device 10 is facing forward, and the mowing device 10 is in a maintenance posture floating above the ground. The mowing device 10 can be suspended and supported by the lifting link 20. Levitation above the ground includes not only levitation relative to the ground G, but also levitation relative to a work floor other than the ground G. In this case, by inserting the first lock pin 30 into the second pin hole 20d (see FIG. 4) provided in the left lifting link 20, the support frame 24 is prevented from swinging relative to the lifting link 20. is fixed by a first lock pin 30. It is possible to prevent the mowing device 10 from swinging around the pivot axis X as a swinging fulcrum.

When the mowing device 10 is supported by the elevating link 20 in the maintenance posture, if hydraulic oil leaks from the hydraulic circuit connected to the hydraulic cylinder 21, the left and right elevating links 20 are lowered and the mowing device 10 is lowered. 4, the lowering of the mowing device 10 can be prevented by a hook member 51 as a locking member provided on the vehicle body.

That is, as shown in FIGS. 2 and 5, a driving part frame 50 that constitutes a body frame of the vehicle body is provided at the lower part of the driving part 5. The driving section frame 50 includes a pair of left and right first driving section frames 50a, a second driving section frame 50b, and a connecting frame 54. The left and right first driving section frames 50a extend forward and upward from the front part of the mission case 8, and are provided such that their extending ends are connected to the lower part of the front part of the driving section floor 5a. The pair of left and right second driving section frames 50b extend forward and upward from a support shaft 20a provided in the mission case 8, and their extending ends are located behind the extending end of the first driving section frame 50a and are connected to the driving section floor. It is provided in a state connected to the lower part of 5a. The second driving section frame 50b and the driving section floor 5a are connected via a connecting seat 60. The connection frame 54 is connected to a midpoint between the left and right first driving section frames 50a and a midway point between the left and right second driving section frames 50b, and is connected to the left and right first driving section frames 50a and the left and right second driving section frames. 50b are connected.

As shown in FIG. 5, the hook members 51 are provided corresponding to the left and right lifting links 20, respectively. The left and right hook members 51 are pivotally supported by a support portion 54a via a support shaft 52 provided at the base of the hook member 51. The support portion 54a is formed on the connection frame 54. The left and right hook members 51 are installed on a connecting frame 54 in a driving section frame 50 of the vehicle body.

As shown in FIGS. 5, 6, and 7, the left and right hook members 51 are interlocked by a connecting member 53 connected to the base of the hook member 51, and are interlocked with each other using a support shaft 52 as a swinging fulcrum. It is supported in a state where it can be raised and lowered between a lower lock position and a higher lock release position. As shown in FIGS. 6 and 7, when the left and right hook members 51 are in the upward release position, the backs of the hook members 51 are received and supported by the connecting frame 54, and the positions are determined by the connecting frame 54 in the upward lock releasing position. be done. The left and right hook members 51 are swing-biased to the raised release position by a spring 55 connected to the right hook member 51. As shown in FIG. 5, the left and right hook members 51 are connected to an operating pedal 58 via a connecting member 53, a link member 56 connected to the connecting member 53, and an operating cable 57 whose one end is connected to the link member 56. Linked together. The operating pedal 58 is provided in the driving section 5.

Instead of the operating pedal 58, the left and right hook members 51 can be replaced with various operating tools such as operating levers.

As shown in FIG. 4, when the mowing device 10 is supported by the lifting link 20 in the maintenance position, when the left and right hook members 51 are changed to the downward locking position, the tips of the left and right hook members 51 are raised and lowered. It engages with a lock pin 59 provided on the link 20. That is, when the left and right hook members 51 are in the downward locking position, they are connected to the elevating link 20 via the lock pin 59 and connected to the connecting frame 54 via the support shaft 52, and the elevating link 20 is connected to the connecting frame 54 via the support shaft 52. It is held by the connecting frame 54 in the raised state. Even if hydraulic oil leaks in the hydraulic circuit connected to the hydraulic cylinder 21, the hook member 51 prevents the left and right lifting links 20 from lowering.

As shown in FIGS. 6 and 7, when the left and right hook members 51 are changed to the upward lock release position, the tips of the left and right hook members 51 come off the lock pins 59 of the lift link 20, and the left and right hook members 51 releases the connection with the elevating link 20 and also releases the connection with the connection frame 54 to enable the elevating link 20 to move up and down. When the left and right hook members 51 are changed to the upward lock release position, they are held in the upward lock release position by the springs 55 so that the positions do not change to the downward lock release position due to vibrations or the like.

[Another embodiment]
(1) In the embodiment described above, an example was shown in which the cutting blade housing 11 is suspended and supported by the front swinging support rod 32 and the rear swinging support rod 34, but the present invention is not limited to this. For example, the front swing support rod 32 and the rear swing support rod 34 are not provided, and the support frame 24 is fixed to the cutting blade housing 11 and is pivoted to the support part 20b of the lifting link 20, and the pivot axis A support rod that can be switched between a state in which the cutting blade housing 11 is suspended and supported and a state in which the suspension support is released is provided across the left and right lifting links 20 and the cutting blade housing 11 at the rear of the blade housing 11. Good too.

(2) In the embodiment described above, an example was shown in which the left and right hook members 51 were provided, but the left and right lifting links 20 are interlocked via the left and right lift links 23, the left and right lift arms 22, and the rotation support shaft 22a. Since they are connected, only one hook member 51 may be provided that acts on only one of the left and right lifting links 20.

(3) In the embodiment described above, an example was shown in which the hook member 51 was installed on the connecting frame 54 of the driving section frame 50 of the vehicle body, but it is installed on the elevating link 20 and connected to the first driving section frame 50a. It may be something that can be removed. In the embodiment described above, an example was shown in which the hook member 51 was employed as a locking member, but the present invention is not limited to this. For example, it may be a rod that has one end supported by one of the driving section frame 50 and the lifting link 20 and whose other end can be engaged with and detached from the other connection hole of the driving section frame 50 and the lifting link 20. As the vehicle body to which the lock member is connected, any vehicle body part other than the driver frame 50 may be employed.

(4) In the embodiment described above, the hydraulic cylinder 21 is employed, but the present invention is not limited to this, and a hydraulic motor may be employed.

(5) In the embodiment described above, a configuration is adopted in which the switching operation of the hook member 51 is performed in the driving section, but a configuration in which the switching operation of the hook member 51 is performed outside the vehicle body may be adopted.

The present invention provides a mowing device located in front of a vehicle body, an elevating link extending from the vehicle body above the mowing device so as to be able to swing up and down, and supporting the mowing device so as to be operable to raise and lower the mower, and a lift link that swings and operates the mowing device. A hydraulic actuator is provided, and the lifting link is in a lowered state in which the mowing device is supported in a working position with the bottom side facing the front and back of the vehicle body, and in a raised state in which it is supported in a maintenance posture in which the mowing device is raised above the ground and the bottom side faces forward. It can be applied to a riding mower configured to be able to switch between the two modes.

10 Grass cutting device 20 Lifting link 20b Support part 21 Hydraulic actuator (hydraulic cylinder)
54 Vehicle body (connected frame)
51 Lock member (hook member)
55 Spring X Pivot axis

Claims (2)

The car body and
a grass cutting device located in front of the vehicle body;
an elevating link extending from the vehicle body above the mowing device so as to be able to swing up and down, and supporting the mowing device so that it can be moved up and down;
A hydraulic actuator that swings the elevating link is provided,
The elevating link has a support portion that swingably supports the mowing device using a pivot axis in the direction along the width direction of the vehicle body as a swing fulcrum, and the mowing device is used for work in which the bottom side faces the front and back of the vehicle body. configured to be switchable between a lowered state in which the mowing device is supported in a posture, and an elevated state in which the mowing device is raised above the ground and supported in a maintenance posture in which the bottom side faces forward;
The lifting link in the raised state is connected to the vehicle body, and the lifting link is held in the vehicle body in the raised state. It is equipped with a locking member that can switch between a locking position that allows movement and a locking position that allows movement.
The locking member is installed on the vehicle body or the elevating link ,
The locking member is a hook-shaped member mounted on the vehicle body so as to be swingable up and down, and is configured to take the locking position by swinging downward and into the unlocking position by swinging upward, and The front-mounted riding mower is capable of engaging with a lock pin provided on the elevating link when the position is changed to the locking position . The car body and
a grass cutting device located in front of the vehicle body;
an elevating link extending from the vehicle body above the mowing device so as to be able to swing up and down, and supporting the mowing device so that it can be moved up and down;
A hydraulic actuator that swings the elevating link is provided,
The elevating link has a support portion that swingably supports the mowing device using a pivot axis in the direction along the width direction of the vehicle body as a swing fulcrum, and the mowing device is used for work in which the bottom side faces the front and back of the vehicle body. configured to be switchable between a lowered state in which the mowing device is supported in a posture, and an elevated state in which the mowing device is raised above the ground and supported in a maintenance posture in which the bottom side faces forward;
The lifting link in the raised state is connected to the vehicle body, and the lifting link is held in the vehicle body in the raised state. It is equipped with a locking member that can switch between a locking position that allows movement and a locking position that allows movement.
A spring is provided that urges the locking member to the unlocked position ,
The locking member is installed on the vehicle body so as to be able to swing up and down, and is configured to take the locking position by swinging downward and into the unlocking position by swinging upward, and in the locking position, the locking member A front-mounted riding mower in which the locked position is maintained by a member being connected to the lifting link in the raised state .

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