JP7056043B2 - Riding lawn mower - Google Patents

Description

The present invention relates to a passenger lawn mower equipped with a mower for mowing work, and more particularly to a structure for facilitating ascending / descending to a step portion of a driver's seat.

In a mower arranged in the front part of a traveling vehicle body for mowing work, when the mower is moved up and down to the driver's seat floor, the mower spreads in the left-right width direction and is difficult to move up and down. For this reason, an auxiliary step is conventionally arranged on the mower deck to facilitate ascending and descending (see Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-55196

The auxiliary step of the riding lawn mower of the invention described in Patent Document 1 is provided on the upper part of the mower deck and is used by stepping on when ascending and descending. However, there is a problem that it is difficult to maintain the balance of the body when going up and down.

In view of the problem that the auxiliary step alone tends to be unstable when riding on the floor on the vehicle body side, the present invention provides a well-balanced and safe body posture when ascending and descending by adding a structure of a gripping portion which is gripped when ascending and descending. I'm trying to make you.

The present invention has taken the following technical measures to solve the above problems.

The first invention is
A mower (5) for mowing grass with a cutting blade (4) is provided below the front portion of the traveling vehicle body (1) and in front of the front wheels (2, 2), and the front portion of the vehicle body (1). In a passenger lawnmower in which a steering column (7) is erected on the upper floor (6) and a steering handle (8) is provided on the upper part of the column (7).
The mower (5) is located below the floor (6), and a step (45) is fixedly provided on the upper surface of the mower deck (5a) covering the cutting blade (4) of the mower (5), and the vehicle body (1) is provided. ) Side is provided with a grip portion (58, 61a).
An operation box (50L) for supporting various operation levers is provided on the side of the driver's seat (9), a recess (57) is formed in the operation box (50L), and the outer wall portion of the operation box (50L) and the said A first grip portion (58) is provided so that a finger can be hung on the recess (57).
A front bumper (61) made of a pipe material is provided on a support member (60) erected from the front end of the floor frame (10) , and the end of the front bumper (61) is attached to a second grip portion (60). 61a)
The first and second grips (58, 61a) are provided at substantially the same height, and the step (45) is provided in the front-rear space between the two grips (58, 61a) in a side view. It is a lawn mower.
The second invention is
In a plan view, the mower deck (5a) overlaps with the floor (6) on the central side, and the left and right end sides of the mower deck (5a) protrude outside the projection surface of the floor (6). The position of the step (45) is the first passenger lawnmower of the present invention arranged outside the projection range of the floor (6) and the floor frame (10) supporting the floor (6) in a plan view. be.
The first invention related to the present invention is a mower (5) for mowing grass having a cutting blade (4) below the front portion of the traveling vehicle body (1) and in front of the front wheels (2, 2). A steering column (7) is erected on the floor (6) above the front part of the vehicle body (1), and a steering wheel (8) is provided on the upper part of the column (7). In the lawn mower
The mower (5) is located below the floor (6), and a step (45) is fixedly provided on the upper surface of the mower deck (5a) covering the cutting blade (4) of the mower (5), and the vehicle body (1) is provided. The riding lawn mower is characterized in that a grip portion (58, 61a) is provided on the) side.

The second invention related to the present invention is the same as that in the first invention related to the present invention, the mower deck (5a) overlaps with the floor (6) on the central side in a plan view and the mower deck (5a). ) Extrudes outward from the projection surface of the floor (6), and the position of the step (45) supports the floor (6) and the floor (6) in a plan view. It was placed outside the projection range of the floor frame (10).

In the third invention related to the present invention, in the first or second invention related to the present invention, an operation box (50L) for supporting various operation levers is provided on the side of the driver's seat (9), and this operation is performed. A recess (57) was formed in the box (50L) so that a finger could be hooked on the outer wall portion of the operation box (50L) and the recess (57) to form a grip portion (58).

A fourth invention related to the present invention is a pipe material attached to a support member (60) erected from the front end portion of the floor frame (10) in any one of the first to third inventions related to the present invention. A front bumper (61) made of the above was provided, and the end portion of the front bumper (61) was used as a grip portion (61a).

A fifth invention related to the present invention is the first grip portion (58) formed in the operation box (50 L) and the front bumper (61) in any one of the first to fourth inventions related to the present invention. ), A second grip portion (61a) formed at the end portion thereof is provided together, both grip portions (58, 61a) are provided at substantially the same height, and the step (45) is provided with both grip portions in a side view. It is provided in the front-rear space between the portions (58, 61a).

According to the first aspect of the present invention, one foot can be hung on the step 45, the other foot can be hung on the floor 6 or the floor frame 10, and the grip portions 58 and 61a can be gripped by hand at the same time, so that the body can be well-balanced on the floor 6. Can be moved up. Further, since the recess 57 is formed in the operation box 50 so that the outer wall portion of the operation box 50 and the recess 57 can be hung with a finger, the grip portion 58 is formed. It can be formed by drawing the sheet metal material without performing the above, which contributes to cost reduction. Further, since the front bumper 61 made of a pipe material is provided and the end portion of the front bumper 61 is used as the grip portion 61a, the grip portion having an excellent rigid body can be obtained without adopting a separate grip portion configuration. It can be done. Further, the first grip portion 58 and the second grip portion 61a are set to substantially the same height, and the step 45 and the floor 6 are provided in the front-rear space between the grip portions 58 and 61a in the side view. Therefore, it is convenient to balance your feet and both hands when going up and down.
According to the second invention, in addition to the effect of the first invention, the position of the step 45 is arranged outside the projection range of the floor 6 and the floor frame 10 supporting the floor 6 in a plan view. Therefore, when one foot is hung on the step 45 and the other foot is hung on the floor 6 or the floor frame 10, the boarding / alighting motion can be taken naturally without fear of forcibly lying on the back.
According to the first invention related to the present invention , one foot can be hung on the step 45, the other foot can be hung on the floor 6 or the floor frame 10, and the grip portions 58 and 61a can be gripped by hand at the same time in a well-balanced manner. The body can be moved onto the floor 6.

According to the second invention related to the present invention, in addition to the effect of the first invention related to the present invention, the position of the step 45 is the position of the floor 6 and the floor frame 10 supporting the floor 6 in a plan view. Since it is located outside the projection range, when one foot is hung on the step 45 and the other foot is hung on the floor 6 or the floor frame 10, the person can naturally get on and off without fear of forcibly turning his / her back. can.

According to the third invention related to the present invention, in addition to the effect of the first or second invention related to the present invention, the recess 57 is formed in the operation box 50, and the outer wall portion of the operation box 50 and the recess 57 are formed. Since the grip portion 58 is formed so that a finger can be hung on the grip portion, the grip portion 58 can be formed by drawing the sheet metal material without forming a separate grip portion, which contributes to cost reduction.

According to the fourth invention related to the present invention, in addition to the effects of the first to third inventions related to the present invention, a front bumper 61 made of a pipe material is provided, and an end portion of the front bumper 61 is gripped. Since it is 61a, it can be an excellent grip portion for a rigid body without adopting a separate grip portion configuration.

According to the fifth invention related to the present invention, in addition to the effects of the first to fourth inventions related to the present invention , the first grip portion 58 and the second grip portion 61a are set to substantially the same height. Moreover, since the step 45 and the floor 6 are provided in the front-rear space between the gripping portions 58 and 61a in the side view, it is convenient to balance the feet and both hands when going up and down.

It is a side view of a passenger lawn mower. It is a left oblique rear perspective view of a passenger lawn mower with the collector removed. FIG. 2 is a right oblique rear perspective view with the bumper of the passenger lawn mower of FIG. 2 removed. It is a rear view of a passenger lawn mower. (A) a front perspective view of the bumper, (B) a rear perspective view of the bumper, and (C) a side view of the bumper. (A) a plan view of the mower and (B) a side view of the moor. (A) is a perspective view of a passenger lawn mower, and (B) is a normal cross-sectional view of an operation box. It is a control block diagram. It is a top view which shows an example of a PTO switch part. (A) A side view showing a support configuration of a hydraulic pressure operating lever, (B) a front view thereof, and (C) a plan view thereof. It is a perspective view which shows the guide structure of a hydraulic operation lever.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

A side view of the passenger lawn mower 1 of this embodiment is shown in FIG.

Front wheels 2 and 2 and rear wheels 3 and 3 are provided on the front and rear of the traveling vehicle body 1, respectively, and a cutting blade 4 is provided below the front portion of the vehicle body 1 and in front of the front wheels 2 and 2 for mowing grass. A mower 5 is provided to form a so-called front mower. A steering column 7 is erected on the floor 6 above the front portion of the vehicle body 1, and a steering handle 8 is provided on the upper portion of the column 7. A driver's seat 9 is provided behind the steering wheel 8.

The frame configuration of the vehicle body 1 will be described in detail. From the front side, the traveling transmission (for example, HST) and the mower 5 are driven by receiving the power of the floor frame 10 supporting the floor 6 and the driver's seat 9, the engine 11. A transmission case 12 that houses the transmission system, a safety guard frame 13 fixed to the upper part of the transmission case 12, a pair of left and right side frames 14L, 14R, etc. that are connected to the lower end of the transmission case 12 and support the engine 11 and the like. Consists of.

The floor frame 10 is formed in a U-shape in a plan view on the front side, and is provided at the front portion to support the column 7 and at the rear portion to support operation boxes such as the driver's seat 9 and various levers, and is provided at the left and right rear ends. Is connected to the left and right side surfaces 13L and 13R of the safety guard frame 13 in a polymerized state. The left and right strut portions 15L and 15R of the safety guard 15 are connected to the left and right side surfaces 13L and 13R of the safety guard frame 13, and the upper ends of the left and right strut portions 15L and 15R are connected by the head frame 15H. L-shaped case connecting portions 13aL and 13aR are provided on the lower left and right sides of the safety guard frame 13, and are fixedly connected to the upper surface and the rear surface of the transmission case 12 to obtain a strong rigid body structure. ..

The transmission case 12 is a part of the frame structure of the vehicle body 1 as described above, and the transmission endless bands and gears to the front wheels 2 and 2 are installed at the left and right ends of the transmission case 12. The traveling transmission cases 12aL and 12aR are mounted so that they can be transmitted.

The left and right side frames 14L and 14R are connected and fixed to the lower part of the transmission case 12. The side frames 14L and 14R extend rearward, and swash plates 14E and 14E for mounting an engine are formed in the middle of the front and rear parts so as to support the engine 11 in a vibration-proof manner. A rear axle case 16 is provided on the rear end side of the side frames 14L and 14R so as to be located above the side frames 14L and 14R. A rear wheel differential mechanism, left and right axles, a reduction gear mechanism, and the like are installed inside the rear axle case 16. The rear ends of the side frames 14L and 14R are connected and fixed by the left and right connecting members 14S.

The upper frame 17 is formed at a position slightly higher than the height of the engine 11, and the upper frame 17 is formed into a U-shape in a plan view, and the curved portion is rearward and the left and right front end portions are connected to a nearby frame. Specifically, the front end portion is connected and fixed to a horizontal frame 19 connecting a pair of left and right vertical frames 18L and 18R whose lower ends are fixed to the safety guard frame 13 and vertically erected.

Next, the configuration of the rear portion of the frame structure of the vehicle body 1 will be described. Two vertical columns 20L and 20R for reinforcing are provided between the rear ends of the left and right side frames 14L and 14R and the upper frame 17. The vertical columns 20L and 20R are reinforced in a ladder shape by fixing the cross rails 20H and 20H appropriately to the upper and lower sides of the vertical columns 20L and 20R.

The rear pan bar 21 is provided on the cross rail 20H arranged at a position slightly higher than the vertical center of the vertical columns 20L and 20R. As shown in FIG. 5, the bumper 21 is formed from a thick central sheet metal material 22 in the center and pipe guards 23L and 23R fixed in an extended state in the left-right direction from the left and right bent portions 22L and 22R of the central sheet metal material 22. It is a composition consisting of. The basic configuration of the bumper 21 composed of the central sheet metal material 22 and the pipe guards 23L and 23R is provided with the following auxiliary configuration. That is, a pair of left and right connecting arms 24, 24 are fixed to the front surface of the central sheet metal material 22 by means such as welding, and cushion rubbers 25, 25 are appropriately placed on the rear surface of the central sheet metal material 22 to the left and right. It is separated and fixed detachably by fastening bolts. A metal fitting support plate 27a is provided in a hanging shape on the lower surface of the central sheet metal material 20a or on one lower edge of the connecting arm 24, and is bent like a crank on the metal fitting support plate 27a to mount the license plate 26. Is fixed and provided. Due to the crank-shaped bending, it is displaced forward from the fixed portion with the central sheet metal material 22. That is, the license plate 26 can be attached in front of the flat surface including the rear end surface of the central sheet metal material 22.

One of the cross rails 20H is selected and bolted to the front ends of the connecting arms 24, 24 provided so as to project forward from the central sheet metal material 22 of the rear bumper 21. The mounting position of the bumper 21 is determined by the front-rear position of the selected cross rail 20H and the lengths of the connecting arms 24 and 24, but the central sheet metal material 22 of the bumper 21 is slightly behind the rear end of the collector described later in the side view. Place to position. By arranging in this way, the effect of the bumper 21 is provided.

As shown in FIG. 5, the pipe guards 23L and 23R fixed to the left and right bent portions 22L and 22R of the central sheet metal material 22 are formed by bending the pipe into a U shape and further bending it in a substantially right angle direction to form a pair of ends. The edges are positioned up and down and fixed to the left and right bent portions 22L and 22R by welding or the like. The following configurations are added to the pipe guards 23L and 23R. That is, the closing plates 28L and 28R curved and fixed along the bending in the substantially right-angled direction are welded and fixed to the front side so as to close the communication portion surrounded by the guards 23L and 23R made of pipes to enhance the guard effect. There is. In addition, lamp mounting holes 29L and 29R are formed at locations facing the rear surface of the closing plates 28L and 28R, and combination lamps 30L and 30R combined with complex lights such as side lights, brake lights, and direction indicators are inserted through bolts. It is tightened and fixed. From the surface of the combination lamps 30L and 30R fixed to the lamp mounting holes 29L and 29R, that is, the surface facing the rear of the vehicle body 1 from the vertical surface including the rear end edges of the pipe guards 23L and 23R facing vertically. By retracting and fixing the lamp 30L and 30R to the front side, damage due to collision with other objects of the lamps 30L and 30R can be reduced.

The central sheet metal material 22 and the pipe guard 23, which are the constituent members of the rear bumper 21, have the effect of preventing or reducing damage even if the rear part of the vehicle body 1 collides with another object or the vehicle body 1 itself receives the impact. In particular, since the cushion rubber 25 is provided in the rear portion of the central sheet metal material 22 so as to project rearward from the rear end surface of the central sheet metal material 22 and the pipe guard 23, the cushion is first used when the vehicle body 1 is traveling backward. The rubber 25 collides with each other to absorb the impact, and the impact on the vehicle body 1 side can be alleviated. When a larger impact is applied or the impact is diagonally rearward of the vehicle body 1, the cushion rubber 25 cannot cover it, and the impact can be received by the central sheet metal material 22 body or the pipe guard 23 to alleviate the impact on the vehicle body 1. .. The method of fixing the cushion rubber 25 is such that the cushion rubber 25 can be detachably attached and detached with a bolt. A step portion to which the head can be engaged is formed, and if the step portion is formed so that the cushion rubber 25 can be attached, the size of the cushion rubber 25 is prepared in various sizes and an appropriate size. Can also be adopted.

Further, among the left and right pipe guards 23 constituting the rear bumper 21, the air cleaner 31 is arranged inside the pipe guard 23R on the right side. In this way, since the pipe guard 23 forms an enclosure from the rear surface to the side surface, it is possible to protect the auxiliary equipment of the engine 11 arranged inside the enclosure. It is also aesthetically pleasing.

As shown in FIG. 1, a collector 32 for accommodating cut grass is provided behind the safety guard 15 and above the upper frame 17 via an elevating mechanism. The elevating mechanism includes a parallel link elevating arm 33 and an elevating cylinder mechanism 34, one end of which is a safety guard frames 13L and 13R supporting the safety guard 15, and the other end of which is a collector frame on which a collector 32 can be placed. It is connected to 35. The mowing by the mower 5 is configured to be accommodated in the collector 32 via the bellows hose 36 and the duct 37 due to the ventilation action of the blower (not shown). The duct 37 faces the inlet / outlet of the collector 32, so that the outlet of the duct 37 and the inlet / outlet of the collector 32 match when descending so as not to interfere with the raising / lowering operation of the collector 32, and the duct 37 can be easily separated from the inlet / outlet of the collector 32 when ascending. It is composed.

On the side surface of the vehicle body 1, an engine cover 40 that covers the side surface of the engine 11 is arranged, and a rear cover 41 is provided on the rear side of the vehicle body 1 so as to cover the vicinity of the upper part of the central sheet metal material 22 of the bumper 21. Due to the presence of the rear cover 41, the grass that has fallen downward from the collector 32 can slide down the surface of the cover 41 and fall to the rear of the vehicle body 1. A battery case 42 for accommodating a battery is arranged on the left side surface of the vehicle body 1, and a radiator 43 is arranged on the right side surface of the vehicle body 1.

Next, a step for assisting the ascent and descent to and from the floor 6 and a gripping structure will be described. The mower 5 is below the floor 6, and the mower deck 5a covering the cutting blade 4 of the mower 5 overlaps with the floor 6 on the central side thereof in a plan view, and the left and right end sides of the mower deck 5a are located therein. It protrudes outside the projection surface of the floor 6. A step 45 is fixedly provided on the upper surface of the mower deck 5a. That is, in this step 45, the strip is formed in an L shape in a side view, and the tread 45a is formed with anti-slip holes 45b, 45b ... The tread surface 45a is fixed to the upper surface of the end portion) by the mounting member 46 as the upper surface. By mounting with the mounting member 46, the step 45 is arranged on the outside of the base side bracket 49L of the support arm 48L of the left front gauge wheel 47L among the left and right front gauge wheels 47L and 47R of the mower 5. In a plan view, the position of the step 45 is arranged outside the projection range of the floor frame 10 and the floor 6. When ascending or descending to the floor 6, the ascending / descending operation is performed in two steps by stepping on this step 45 with the left foot or the right foot, so that the ascending / descending height can be lowered and the ascending / descending becomes easy. In the illustrated example, the step 45 is provided at the left end of the mower deck 5a, but it may be provided at the right end or at both ends.

Regarding the configuration of the upper surface of the floor 6, operation boxes 50L and 50R for supporting various operation levers and the like are provided on the left and right sides of the driver's seat 9. Three hydraulic operation levers 51 to 53 are arranged in the right operation box 50R, all of which are in the form of swinging back and forth, of which the moor elevating hydraulic operation lever 51 for raising and lowering the mower 5 is positioned in the front position. A collector elevating hydraulic pressure operating lever 52 for raising and lowering the collector 32 and a mowing discharge hydraulic pressure operating lever 53 for opening the rear collector lid 32a while tilting the collector 32 backward are provided at the rear position. All of these hydraulic pressure operating levers 51 to 53 are configured to interlock the spool of the hydraulic valve. Further, an accelerator lever 54 is provided in front of the triple hydraulic pressure operating levers 51 to 53, and a 4WD switching lever 55 is provided in the rear. On the other hand, the left operation box 50L is provided with a parking brake lever 56.

In the left operation box 50L, a recess 57 is formed on the inner side of the front portion thereof, and the thumb of the right hand can be hung on the outer wall portion of the operation box 50L, and the other four fingers of the right hand can be hung on the recess 57 at the same time. The first grip portion 58 is formed on the front side of the left operation box 50L.

Regarding the configuration around the steering column 7, a front bumper 61 made of a pipe material is provided on a support member 60 erected from the front end of the floor frame 10. The front bumper 61 has a shape in which the left and right middle portions are bent downward and the left and right end portions are bent rearward, and is shaped to surround the upper front and sides of the steering column 7. The support member 60 is integrated by welding to connect the upper ends of the pair of left and right curved upright plates 60a, 60a, and the U-shaped connecting portions 60b, 60b at the lower ends of the curved upright plates 60a, 60a are connected to the front end of the floor frame 10. It is fitted from the side and fixed with bolts. On the left and right end sides of the front bumper 61, the portion bent toward the rear is the second grip portion 61a, which is substantially the same height as the first grip portion 58.

It is possible to board using the first and second gripping portions 58 and 61a configured as described above, and one foot is hung on the step 45 and the other foot is hung on the floor 6 or the floor frame 10. At the same time, by gripping the second grip portion 61a with the left hand and gripping the first grip portion 58 with the right hand, the body can be transferred onto the floor 6 in a well-balanced manner.

The front bumper 61 can be used as a support member for supporting the headlights 62L and 62R.

In this embodiment, the second grip portion 61a is configured on the front bumper 61, but for example, the grip portion 61a may be extended and supported from the steering column 7 portion, and the shape of the grip portion 61a is not limited to the pipe shape. But it may be.

In the above embodiment, the first grip portion 58 and the second grip portion 61a are set to substantially the same height, and the step 45 and the floor 6 are spaced apart from each other in the front-rear direction of the grip portions 58, 61a in the side view. Since it is provided inside the part, it is convenient to balance the feet and both hands when going up and down.

By the way, the traveling transmission (HST) in the transmission case 12 is driven by receiving power from the engine 11 and is increased in speed by depressing the forward / backward pedals 63f and 63r arranged on the floor 6. There is. Then, the parking brake switch 56a arranged in the operation transmission system of the parking brake lever 56 and the forward switch 63fs or the reverse switch 63rs as the forward / backward pedal switch for detecting the depression of the forward / backward pedal are connected to give an alarm. It is configured to output 64 (horn in the figure). As a result, an alarm is activated when the vehicle body is unexpectedly started during the parking brake, so that so-called dragging of the vehicle body during the parking brake can be prevented.

The 4WD switching lever 55 has a T-shaped side view and is composed of a grip portion and a push-pull rod, and can be switched between an automatic 4WD state and a constant 4WD state by operating the grip portion up and down. For example, when the pulling operation is performed, the vehicle is always in the 4WD state, and power is transmitted to the front and rear four wheels to drive the vehicle. In addition, when the push-down operation is performed, the automatic 4WD state is set, and when the rotation difference between the front wheels 2 and 2 and the rear wheels 3 and 3 exceeds the threshold value, it becomes 4WD. Since it is driven by 2WD, it has the effect of not damaging the ground during turning.

The transmission case 12 is provided with a transmission system (not shown) to the mower 5 and a transmission system (not shown) to the blower (not shown), and the mower clutch 65 and the blower clutch 66 are provided as transmission clutch means, respectively. It is equipped with. Of these, the moor clutch 65 is set to the transmission state by the engagement operation of the moor clutch switch 65a, and the structure is such that the cutting blade 4 axes of the mower 5 can be driven. Further, the blower clutch 66 is set to the transmission state by the closing operation of the blower clutch switch 66a. In the case of the switch configuration shown in FIG. 9, a mode changeover switch 67 is provided, and the mower 5 and / or the blower can be driven by an operation combination with the PTO switch 68. That is, the mode changeover switch 67 is provided so as to be slidable at three positions, and when the PTO switch 68 is turned on and operated at the central position a, both the mower and blower clutches 65 and 66 are set to the transmission state, and the operation position is set in FIG. When the blower clutch 66 is turned on and operated by sliding to the upper position b and the PTO switch 68 is turned on, the blower clutch 66 is put into the transmission state, and when the PTO switch 68 is turned on and operated by sliding to the lower position c, the mower clutch 65 is put into the transmission state. The PTO switch 68 may have any configuration as long as it can switch between two positions of on and off, but in the self-holding switch form, when the mode changeover switch 67 is moved to another position while the PTO switch 68 is on, it is self-retaining. By releasing the holding and setting the PTO switch 68 to the off side, the transmission state can be safely released.

FIGS. 10 and 11 show an improved configuration of the hydraulic operating levers 51 to 53. Taking the hydraulic operation lever 51 as an example, guide members 71a and 71b made of two front and rear round bars or pipe materials are provided on the edge of the lever guide 70 formed on the right operation box 50R, while the hydraulic operation lever 51 is provided with the guide members 71a and 71b. A sliding member 72 made of a round bar or a pipe material that is in an intersecting state with the guide members 71a and 71b and can be in point contact with the guide members 71a and 71b is provided. The hydraulic pressure operating lever 51 is configured to move in the front-rear direction along the longitudinal direction of the guide members 71a and 71b, but is also configured to have elasticity in the left-right direction and can be tilted, and is a portion separated from the guide members 71a and 71b. In, the sliding member 72 can abut on the edge of the lever guide 70, so that the movement in the front-rear direction is restricted by the end of the guide member 71a or 71b, and the securing of the operation position is stable. Further, when moving in the front-rear direction, since the sliding member 72 is in point contact with the guide members 71a and 71b, smooth operation movement can be realized with less resistance. Although the hydraulic pressure operating lever has been described as an example, it can be applied to any other operating lever.

As shown in FIG. 10, the lever support members 72 of the levers 51 to 53 are connected to the valve support member 73 that holds the hydraulic valve 74 to be operated, and these are sub-assembled and mounted on the operation box 50R. It is configured as follows.

1 Body 2 Front wheel 3 Rear wheel 4 Cutting blade 5 Moor 5a Moor deck 6 Floor 7 Steering column 8 Handle 10 Floor frame 45 Step 50L Operation box 57 Recess 58 First grip 61 Front bumper 61a Second grip

Claims (2)

A mower (5) for mowing grass with a cutting blade (4) is provided below the front portion of the traveling vehicle body (1) and in front of the front wheels (2, 2), and the front portion of the vehicle body (1). In a passenger lawnmower in which a steering column (7) is erected on the upper floor (6) and a steering handle (8) is provided on the upper part of the column (7).
The mower (5) is located below the floor (6), and a step (45) is fixedly provided on the upper surface of the mower deck (5a) covering the cutting blade (4) of the mower (5), and the vehicle body (1) is provided. ) Side is provided with a grip portion (58, 61a).
An operation box (50L) for supporting various operation levers is provided on the side of the driver's seat (9), a recess (57) is formed in the operation box (50L), and the outer wall portion of the operation box (50L) and the said A first grip portion (58) is provided so that a finger can be hung on the recess (57).
A front bumper (61) made of a pipe material is provided on a support member (60) erected from the front end of the floor frame (10) , and the end of the front bumper (61) is attached to a second grip portion (60). 61a)
The first and second grips (58, 61a) are provided at substantially the same height, and the step (45) is provided in the front-rear space between the two grips (58, 61a) in a side view. Lawn mower. In a plan view, the mower deck (5a) overlaps with the floor (6) on the central side, and the left and right end sides of the mower deck (5a) protrude outside the projection surface of the floor (6). The passenger lawnmower according to claim 1, wherein the position of the step (45) is arranged outside the projection range of the floor (6) and the floor frame (10) supporting the floor (6) in a plan view.

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