JP2002213611A - Speed change position detector for vehicle running on off road - Google Patents

Abstract

PROBLEM TO BE SOLVED: To compactly mount a detector, by easily mounting from the outside a switch for detecting the neutral position and reverse position, and effectively utilizing space in the rod axial center direction end part of a shift rod. SOLUTION: This speed change position detector for a vehicle running on an off road is provided with a gear type transmission for switching a speed change position, by moving a shift rod 72 operated in the rod axial center direction so as to move a shift sleeve 70. A position detection switch 95, 99, detecting a neutral position and a reverse position of the shift rod 72 by movement of its rod axial center direction, is arranged in a part of a speed change case 11 in the rod axial center direction one end side of the shift rod 72. Preferably, forward two stages, neutral, and reverse are set freely switchable by a single shift rod 72, the reverse position detection switch 99 is arranged facing in the rod axial center direction end face, and the neutral position detection switch 95 is arranged outward in the radial direction with respect to the shift rod 72.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift position detection method for an uneven terrain vehicle equipped with a gear type transmission for shifting a shift sleeve by moving a shift rod in the axial direction of a rod to shift a shift position. Related to the device.

[0002]

2. Description of the Related Art In a rough terrain vehicle, when a gear-type transmission is in a reverse position or a neutral position, it is necessary to detect those shift positions and let the rider recognize them by turning on a sign lamp or the like. .

[0003] A conventional shift mechanism for an all-terrain vehicle has a change drum arranged next to a shift rod, and the shift drum is rotated to rotate a shift arm provided on the shift rod using a cam groove or the like. The shift sleeve is moved to shift the transmission gear to a desired gear position. A position detection switch for detecting the reverse position and the neutral position is disposed on the change drum, and each shift position is determined by the rotation position of the change drum. Is to be detected.

[0004] In addition to the above-described shift drum type shift mechanism, there is also a shift mechanism that does not use a change drum such as Japanese Utility Model Laid-Open No. 2-27061. A position detection switch for detecting a desired shift position based on the amount of projection of the detection pin, which is formed by forming a recess in the outer peripheral surface of the sensor, and constantly contacting the recess with a detection pin projecting radially outward from the shaft center side. It has.

[0005]

In the former change drum type, a large space is required for disposing the change drum itself. Since the change drum is provided with the neutral and reverse position detection switches, the shift mechanism becomes large. Is inevitable.

In the latter method, the position at which the shift position detecting switch is provided is located in the middle of the width of the shift rod in the axial direction of the shift rod, and various components are arranged around the position detecting switch mounting portion. It takes time to attach the detection switch from outside. In addition, the concave for position detection must be accurately formed on the surface of the shift rod, and the manufacturing process is troublesome.

[0007]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a switch for detecting a neutral position and a reverse position without changing the basic shape of the shift rod while enabling the neutral and reverse positions to be detected by using the movement of the shift rod. It is an object of the present invention to provide a shift position detecting device for an uneven terrain vehicle that can be easily attached from the outside and that can be compactly attached by effectively utilizing a space near an end in a rod axis direction.

[0008]

According to the first aspect of the present invention, there is provided an irregular terrain having a gear-type transmission for switching a shift position by moving a shift sleeve by moving a shift rod in the axial direction of the rod. In the shift position detecting device for a traveling vehicle, the shift case portion on one end side in the rod axis direction is moved in the rod axis direction to contact the end portion of the shift rod in the rod axis direction, and the neutral position and the reverse position are reached. A position detection switch for detecting a position is provided. This makes it possible to easily mount the position detection switches from the outside from outside, and to use the end of the shift rod in the rod axis direction directly as a switch pressing part, so that the shift rod has a substantially basic shape. It can be used as is.

According to a second aspect of the present invention, there is provided the shift position detecting device for an uneven terrain vehicle according to the first aspect, wherein a single shift rod is used to freely switch between two forward stages, neutral and reverse.
A position detection switch for detecting the neutral position and the reverse position is provided for the single shift rod. Thereby, both position detection switches can be integrated into one place and can be arranged compactly.

According to a third aspect of the present invention, in the device for detecting a shift position of an off-road vehicle according to the second aspect, a neutral position detection switch and a reverse position detection switch are independently provided as position detection switches. Thereby, the neutral position detection switch and the reverse position detection switch can be respectively arranged at appropriate positions with respect to the axial end portions of the shift rods at the reverse position and the neutral position, thereby facilitating the mounting work and downsizing. be able to.

According to a fourth aspect of the present invention, in the shift position detecting device for an uneven terrain vehicle according to the third aspect, the reverse position detecting switch is disposed to face the end surface of the shift rod in the direction of the rod axis, and the neutral position detecting switch is provided. Are arranged radially outward of the shift rod. Thus, the radially outer space at the axial end of the shift rod and the axially outer space at the axial end thereof can be effectively used for the position detection switch arrangement.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a plan view of a four-wheeled vehicle on a rough terrain to which the present invention is applied. .

The off-road vehicle has a pair of front wheels 1 on the left and right and a pair of rear wheels 2 on the left and right, and has an engine 3 mounted between the front and rear wheels 1 and 2. It has. A bar-shaped steering handle 5 is provided at the front of the vehicle body, and a riding type seat 6 is provided at the rear. The grip of the steering handle 5 is provided with a brake lever 8 and the like, and the meter panel 103 is provided with various indicator lamps 102 including a neutral lamp and a reverse lamp for displaying a shift position.

The crankcase 10 of the engine 3 extends rearward and has a transmission case 11 integrally at the rear end.
In the transmission case 11, a gear type transmission 13 is incorporated. On the right side surface of the crankcase 10, a V-belt type continuously variable transmission 15 located on the power upstream side of the gear type transmission 13 is arranged.

A front and rear drive shaft 17 is disposed below the transmission case 11, and a front and rear end of the drive shaft 17 has a front wheel propeller shaft 18 and a rear wheel propeller shaft, respectively. The front end of the front wheel propeller shaft 18 is interlocked with the gear mechanism in the front wheel reduction gear case 21, and the rear end of the rear wheel propeller shaft 12 is connected to the gear mechanism in the rear wheel reduction gear case 22. It is connected to.

FIG. 2 is a right side view of FIG.
The V-belt type continuously variable transmission 15 includes a front drive pulley 26, a rear driven pulley 28, and a V wound around the pulleys 26 and 28. It is composed of a belt 29 and is covered by a bell-con cover 30.

A shift operation lever 32 is arranged below the right end of the handle 5.
The transmission case 11 is interlockingly connected to an outer change lever portion 35 disposed at an upper end portion of the transmission case 11 via a connection rod 33.

[V-belt type continuously variable transmission] FIG. 4 is a cross-sectional view taken along a section passing through the crankshaft center O0 of the crankcase 10 of the engine, and the driving shaft 25 of the driving pulley 26 is provided at the right end of the crankshaft 36. Are connected on the same axis, and a generator 38 and a recoil starter 39 are disposed on the left side of the crankshaft 36. Drive pulley 2
6 comprises a fixed sheave 41 on the left side and a movable sheave 42 facing the fixed sheave 41 from the right side. The fixed sheave 41 is fixed to the drive shaft 25 so as to be non-rotatable and non-movable in the axial direction, and the movable sheave 42 is engaged with the drive shaft 25 so as to be integrally rotatable via a spider 44 in the rotation direction. It is fitted movably in the axial direction.

On the rear side (right side) of the movable sheave 42, a driving pulley thrust generating mechanism including the spider 44, a plurality of fly weights 45, a pressure adjusting spring 46, a support plate 47 and the like is provided. The fly weight 45 is rotatably supported by a plurality of pins 48 provided on the back surface of the movable sheave 42, and expands to the right due to centrifugal force as the rotation speed of the drive shaft 25 increases. Has become. A connecting arm 49 extending rightward through the spider 44 is formed on the rear surface of the movable sheave 42, and a support board 47 is connected to a right edge of the connecting arm 49. The support board 47 is fitted to the drive shaft 25 so as to be movable in the axial direction, and a bearing 50 is fitted to an inner peripheral end of the support board 47.
An annular seat 51 with which the contact is made is fitted.

The spider 44 is provided on the right side of the movable sheave 42 and is screwed to the drive shaft 25, and has a pressure receiving roller 52 with which the fly weights 45 come into contact. The pressure adjusting spring 46 is contracted between the spider 44 and the support board 47, and biases the support board 47 rightward to indirectly attach the movable sheave 42 rightward via the connecting arm 49. I'm going. That is, the driving pulley 2
No. 6 urges the sheaves 41 and 42 in the opening direction.
When the flyweight 45 expands due to an increase in the engine speed, the movable sheave 42 moves to the left together with the support plate 47 against the pressure adjusting spring 46 due to the reaction force of the pressure receiving roller 52, and between the sheaves 41, 42. Nips the V-belt 29.

The driven pulley 28 comprises a right fixed sheave 54 and a left movable sheave 55 as shown in FIG. The fixed sheave 54 is fixed to the cylindrical cam shaft 56 fixed to the driven shaft 27 so as not to be movable in the axial direction and to be rotatable. The cam shaft 56 has a spiral cam guide groove 57.
Are formed. The movable sheave 55 has a sleeve 58 fixed to the inner peripheral end thereof fitted to the camshaft 56 so as to be movable and rotatable in the axial direction, and is urged toward the fixed sheave by a pressure adjusting spring 59. The cam roller 60 supported by the sleeve 58 is slidably engaged with the cam guide groove 57.

That is, when the rotational torque from the V-belt 29 increases and the movable sheave 55 is twisted forward in the rotational direction, the movable sheave 55 is pushed toward the fixed sheave by the cam action of the cam roller 60 and the cam guide groove 57. , Increase the clamping pressure.

[Gear-Type Transmission and Shift Mechanism] FIG. 6 is a vertical sectional left side view showing a transmission shaft arrangement in a transmission case 11 integrated with the crankcase 10. A transmission input shaft 62 is disposed to face left and right, a transmission output shaft 63 is disposed near the lower end in parallel with the input shaft 62, and an input shaft center is provided between the input shaft 62 and the output shaft 63. The counter shaft 64 is arranged in parallel with the input shaft 62 on the front side (crankshaft arrangement side) of the line connecting O1 and the output shaft center O4, and the reverse idle shaft 65 is arranged on the rear side in parallel with the input shaft 62. I have. The counter shaft 64 and the reverse idle shaft 65 are arranged at substantially the same height. Further, a single shift rod 72 is disposed at a position obliquely above and behind the input shaft 62 in parallel with the input shaft 62. By arranging the counter shaft 64 having the largest forward low-speed intermediate gear 74 having the largest diameter as described above on the front side where there is room in space and the reverse idle shaft 65 on the rear side, the transmission case 11 There is no need to extend the wall backward.
The drive shaft 17 is disposed at substantially the same height as the output shaft 63.

FIG. 5 is a sectional development view (VV sectional development view in FIG. 6) of the transmission case 11 taken along a plane passing through the respective transmission shaft cores O1, O2, O3 and O4. The axis 62 is
The driven pulley 28 is formed integrally with the driven shaft 27. Input shaft 62, counter shaft 64 and reverse idle shaft 6
5 is supported on the left and right side walls of the transmission case 11 via bearings, but the output shaft 63 is formed shorter than the shafts 62, 64, and 65 for each of the transmissions. It is supported by a shaft holder 66 fixed therein, via a pair of left and right bearings 61. The drive shaft 17 is disposed on the right side of the output shaft 63.

At the right end of the input shaft 62, a forward high-speed gear 67 and a forward low-speed gear 68 are arranged in parallel in an axially adjacent state, and at the left end, a reverse gear 69 is arranged.
A single shift sleeve 70 constituting a shift dog clutch mechanism is spline-fitted to the central portion so as to be movable in the axial direction.

The reverse gear 69 has a dog claw 69a on its right end face.
And is rotatably fitted to the input shaft 62 via a needle bearing. The forward low-speed gear 68 has a dog claw 68a on the left end edge of a boss portion extending leftward.
The input shaft 62 is rotatably fitted via a needle bearing. The forward high speed gear 67 has an inward dog claw 67a at the left end of the arm portion extending leftward, and is rotatably fitted to the outer periphery of the boss portion of the forward low speed gear 68 via a needle bearing. I have. The reverse dog claw 70b and the forward dog claw 70b are respectively provided on the left and right end surfaces of the shift sleeve 70.
a is formed.

Both forward high-speed and low-speed forward dog claws 67
The axial distance between the a and 68a is secured to such an extent that the forward dog claw 70a of the sleeve 70 can be in a neutral state once.

A single shift fork 71 is fitted in the outer peripheral annular groove of the shift sleeve 70, and the shift fork 71 is fixed to the single shift rod 72, and the shift rod 72 is shifted to the left and right. It is supported by the machine case 11. The state of FIG. 5 shows a neutral state. When the shift sleeve 70 is moved leftward from the neutral state,
When the dog dog 70b for backward movement of the shift sleeve 70 meshes with the dog dog 69a of the gear 69 for reverse movement and moves rightward, the dog dog 70a for forward movement of the shift sleeve 70 firstly comes into contact with the dog nail of the gear 67 for forward high speed. The gear 67 is engaged with the dog claw 68a of the forward low-speed gear 68 through a neutral state. That is, by operating one shift fork 71, it is possible to switch to four speed stages of forward high speed, forward low speed, neutral and reverse.

At the right end of the shift rod 72, an upwardly projecting change pin 85 is provided, and the change pin 85 is engaged with an inner change lever portion 86. The inner change lever portion 86 is connected to a change lever shaft 87. It is connected to the outside change lever portion 35 through the above.

At the right end of the counter shaft 64, forward intermediate gears 73 and 74 meshing with forward high-speed and low-speed gears 67 and 68 are fixed, and at the left end, an intermediate output gear 75 is fixed.

A large-diameter first reverse idle gear 77 meshing with the reverse gear 69 and a small-diameter second reverse idle gear 78 meshing with the intermediate output gear 75 are fixed to the left end of the reverse idle shaft 65. Have been. The right half portion 65a of the reverse idle shaft 65 is formed to have a smaller diameter than the left half portion, and the outer peripheral surface of the small diameter right half portion 65a has the largest-diameter forward low-speed intermediate gear on the counter shaft 64. 74
Are as close as possible with a slight gap S2 therebetween. That is, the center distance between the counter shaft 64 and the reverse idle shaft 65 is configured to be as short as possible.

The intermediate output gear 75 meshes with an output gear 80 fixed to the left end of the output shaft 63, and a bevel gear 81 integrally formed on the right end of the output shaft 63 is connected to the drive shaft 17.
And is engaged with the bevel gear 82 fixed to the second gear.

[Detent mechanism] FIG.
FIG. 4 is an enlarged longitudinal sectional view of a portion, in the surface of a shift rod 72, four detent recesses 9 for forward low speed, forward high speed, neutral, and reverse,
2a, 92b, 92c, and 92d are formed at predetermined intervals in order from the left end side.
A cylindrical bolt-shaped detent case 89 is screwed onto the outer peripheral wall of the housing. A detent ball 91 is movably inserted into the detent case 89, and a spring 90 is contracted. The ball 91 is biased toward the shift rod, and the detent recesses 92a, 92b, 9
2c and 92d are selectively engaged. Leftmost detent recess 92a and shift rod 7
An outer peripheral convex portion 72b for detecting a neutral position is provided between the left end surface 72a and the left end surface 72a so as to be in sliding contact with the rod holding hole 88, but each concave portion 92a, 92b, 92c, 92d.
The protruding portion 72c present therebetween is lower than the outer peripheral protruding portion 72b and is formed so as to be separated from the surface of the rod holding hole 88.

Since the neutral position detecting convex portion 72b is provided adjacent to the leftmost detent concave portion 92a,
The neutral position detecting convex portion 72b is provided with a detent concave portion 92a,
The processing can be performed simultaneously or continuously with 92b, 92c, and 92d. Even if the outer peripheral projection 72b is provided at the end of the shift rod 72 as shown in FIG.

[Shift position detection switch] Transmission case 1
A rod holding hole 88 for holding the left end of the shift rod 72 movably in the axial direction is formed at the left end of the shift rod 72.
A reverse position detection switch 99 and a neutral position detection switch 95 are arranged on the left end face in the axial direction of the rod holding hole 88 and on the radially outer side, respectively.
Are connected to the reverse lamp and the neutral lamp, respectively, of the various sign lamps 102 provided in the first embodiment. Although the position detection switches 95 and 99 shown in FIG. 7 are different in arrangement posture and arrangement position, they have the same basic structure, and have springs 97 and 101 built-in. When the detection pins 96 and 100 are pushed into the switch case against the springs 97 and 101, the switch is turned on.

The reverse position detection switch 99 is screwed into a female screw hole 98 for switch mounting formed on the left end wall of the transmission case 11 in parallel with the shift rod shaft O6, and the detection pin 100 is connected to the shift rod shaft. When the shift rod 72 moves to the leftmost backward position, the detection pin 100 is pushed in by the left end face 72a of the shift rod 72, and the switch is turned on when the shift rod 72 moves to the leftmost backward position. It is designed to detect.

The neutral position detection switch 95 is provided on the radially outer peripheral wall at the left end of the transmission case 11 with a shift rod shaft O6.
The detection pin 96 projects into the rod holding hole 88 in a direction perpendicular to the shift rod axis O6, and the shift rod 72 is connected to the shift rod 72 in FIG. As described above, when the shift pin 72 is moved leftward to the neutral position, the detection pin 96 is pushed in by the outer peripheral convex portion 72b at the left end of the shift rod 72, the switch is turned on, and the neutral position is detected. The shift rod 72
The outer peripheral convex portion 72a at the left end of the slidable contact with the rod holding hole 88 makes it possible to contact the detecting pin 96 of the neutral position detecting switch 95, but at least the concave portions 92a, 92
Since the protrusion 72c between b is formed lower than the protrusion 72b at the left end, even when the shift rod 72 moves to the leftmost position, it does not come into contact with the detection pin 96.

FIG. 3 is a left side view of the transmission case 11. The reverse position detection switch 99 and the neutral position detection switch 95 are disposed near the rear upper end of the transmission case 11.
In addition, the neutral position detection switch 95 is disposed in a rearwardly inclined posture.

[Vehicle speed sensor and forward / reverse determination sensor] In FIG. 5, a forward / backward determination sensor 111 and a vehicle speed sensor 110 are disposed at the lower end of the transmission case 11 so as to be divided into right and left. The vehicle speed sensor 110 is the transmission case 1
1 is fixed to the right end wall, and is disposed so as to face the outer peripheral surface of the bevel gear 82 fixed to the drive shaft 17 from outside in the radial direction. The vehicle speed sensor 110 is provided with a cable connecting portion 110a facing backward,
2 are detachably connected.

[0040]

[Operation] [Overall power transmission] In FIG.
Is transmitted to the front and rear propeller shafts 18 and 19 via a V-belt type continuously variable transmission 15, a gear type transmission 13, and a drive shaft 17, and the front and rear wheels 1, 2 via respective reduction gears. Is transmitted to

[Shift operation] The shift operation lever 3 shown in FIG.
By manually operating the lever 2, the outer change lever 35, the change lever shaft 87 and the inner change lever 86 in FIG. 5 are rotated via the connecting rod 33, whereby the shift rod is connected via the change lever pin 85. 72
Is moved in the direction of the shift rod axis O6 (left / right direction) to switch among forward low speed, forward high speed, neutral and reverse positions.

(1) Neutral Position FIG. 7 shows the state of the neutral position, in which the detent ball 91 is engaged with the third neutral concave portion 92c from the left, and the outer peripheral convex portion 72b at the left end of the shift rod 72 is in the neutral position. Push the detection pin 96 of the detection switch 95 outward in the rod radial direction,
The neutral position detection switch 95 is turned on. On the other hand, the left end face 72a of the shift rod 72 is separated from the detection pin 100 of the reverse position detection switch 99, and the reverse position detection switch 99 is off. Therefore, the indicator lamp 102 of the meter panel 103 in FIG. 1 is turned on by a neutral lamp.

(2) Reverse position When the shift rod 72 is moved to the left from the neutral position in FIG. 7, the shift sleeve 70 is moved to the left, and the reverse dog pawl 70b and the dog pawl 69a of the reverse gear 69 are moved. Meshing and going backward. At this time, the detent mechanism engages with the detent ball 91 with the rightmost rearward recess 92d,
The detection rod 96 of the neutral position detection switch 95 is separated from the outer peripheral surface of the shift rod 72, while the detection pin 100 of the reverse position detection switch 99 is pushed in by the contact of the left end surface 72a of the shift rod 72, and the reverse position. The detection switch 99 is turned on. Therefore, the indicator lamp 102 of the meter panel 103 in FIG.

(3) Forward position By moving the shift rod 72 to the right from the neutral position in FIG. 7, the shift sleeve 70 is moved to the right. First, the forward dog pawl 70a and the dog pawl of the forward high-speed gear 67 are moved. 67a mesh with each other to set the forward high-speed position. At this time, in the detent mechanism, the second forward high-speed concave portion 92b from the left engages with the detent ball 91, and the detection pins 96 and 100 of the neutral position detection switch 95 and the reverse position detection switch 99 are both separated from the shift rod 72. Is off.

By further moving the shift rod 72 to the right, the forward dog pawl 70a and the dog pawl 68a of the forward low-speed gear 68 engage with each other via the intermediate neutral position, and the forward low-speed position is established. At this time, the detent mechanism is such that the leftmost forward low-speed concave portion 92d is engaged with the detent ball 91, and the detection pins 96 and 100 of the neutral position detection switch 95 and the reverse position detection switch 99 are both separated from the shift rod 72, and It is off.

[0046]

[Other Embodiments] (1) In the embodiment of FIG. 7, the reverse position detection switch 99 is connected to the shift rod shaft O.
Although it is arranged parallel to 6 and screwed to the left end wall of the transmission case 11, it can be arranged outside the shift rod 72 in the radial direction. In this case, as shown by the imaginary line, the shift rod axis O
The mounting position is shifted around 6, and the tip of the detection pin 100 is arranged near the left end surface of the rod holding hole 88.

(2) In the embodiment of FIG. 7, the neutral position detecting switch 95 and the reverse position detecting switch 99 are provided independently, but a position detecting switch having reverse and neutral detecting pins is provided. It is also possible.

(3) It is also possible to apply the present invention to a gear type transmission having two shift rods.

[0049]

As described above, according to the present invention,
In a shift position detecting device for an irregular terrain vehicle equipped with a gear type transmission that switches a shift position by moving a shift sleeve by moving a shift rod in a rod axis direction, a shift on one end side in the rod axis direction is provided. A position detection switch that detects the neutral position and the reverse position by contacting the end of the shift rod in the rod axis direction by moving the shift rod in the rod axis direction is disposed in the case portion. Can be easily carried out from the outside, and the end of the shift rod in the rod axis direction is directly used as a switch pressing part, so that the shift rod can be used in a substantially basic shape. it can.

(2) A single shift rod makes it possible to switch between two forward stages, neutral and reverse, and a position detecting switch for detecting the neutral position and the reverse position is provided for the single shift rod. In this case, the two position detection switches can be integrated at one place and can be arranged compactly.

(3) If the neutral position detecting switch and the reverse position detecting switch are provided independently as position detecting switches, the neutral position is detected with respect to the axial ends of the shift rods at the reverse position and the neutral position. The detection switch and the reverse position detection switch can be respectively arranged at appropriate positions, so that the mounting operation can be facilitated and the size can be reduced.

(4) When the neutral position detecting switch is disposed opposite to the end face of the shift rod in the rod axis direction and the reverse position detecting switch is disposed radially outward of the shift rod, The radially outer space and the axially outer space at the end in the core direction can be effectively used for the position detection switch arrangement.

[Brief description of the drawings]

FIG. 1 is a plan view of an all-terrain vehicle to which the present invention is applied.

FIG. 2 is a right side view of the off-road vehicle shown in FIG.

FIG. 3 is a left side view of the transmission case.

FIG. 4 is a longitudinal sectional view of a crankshaft portion of a crankcase.

FIG. 5 is a cross-sectional development view of the inside of the transmission case cut along a cut surface passing through each transmission shaft core.

FIG. 6 is a left vertical sectional view showing an arrangement of a transmission shaft in a transmission case.

FIG. 7 is an enlarged longitudinal sectional view of a shift rod portion.

[Explanation of symbols]

 Reference Signs List 3 engine 10 crankcase 11 transmission case 13 gear transmission 62 input shaft of gear transmission 63 output shaft of gear transmission 64 counter shaft 65 reverse idle shaft 69 reverse gear 70 shift sleeve 71 shift arm 72 shift Rod 72a Shift rod left end face 72b Shift rod left end outer peripheral projection 88 Rod holding hole 95 Neutral position detection switch 96 Detection pin 99 Reverse position detection switch 100 Detection pin

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[Procedure amendment]

[Submission date] March 5, 2001 (2001.3.5)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 4

[Correction method] Change

[Correction contents]

FIG. 4

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3J067 AA02 AB01 AC05 BA02 CA32 EA21 FB42 FB43 FB45 FB47 FB83 GA01

Claims (4)

[Claims] 1. A shift position detecting device for an uneven terrain vehicle equipped with a gear-type transmission for shifting a shift sleeve by shifting a shift rod by moving a shift rod in a rod axis direction. A position detection switch for detecting the neutral position and the reverse position by contacting the end of the shift rod in the axial direction of the shift rod by moving the shift rod in the axial direction of the rod is disposed in the transmission case portion on one end side. A shift position detecting device for an uneven terrain vehicle. 2. A single shift rod, wherein two forward stages, a neutral position and a reverse position can be freely switched, and a position detecting switch for detecting a neutral position and a reverse position is arranged for the single shift rod. The shift position detecting device for an uneven terrain vehicle according to claim 1. 3. The shift position detecting device for an uneven terrain vehicle according to claim 2, wherein a neutral position detecting switch and a reverse position detecting switch are independently provided as position detecting switches. 4. The shift position detecting switch is disposed opposite to an end surface of the shift rod in the rod axis direction, and the neutral position detecting switch is disposed radially outward of the shift rod. The shift position detecting device for an uneven terrain vehicle according to any one of the preceding claims.