PROBLEM TO BE SOLVED: To improve the operability of a paddy field working machine by giving many functions to a variable-speed lever of a stepless variable-speed gear to ensure the other operations in association with its travel variable-speed operation to be lightly and swiftly made without shifting lever gripping.SOLUTION: The paddy field working machine is constructed as follows: the variable-speed lever 11 and a speed control mechanism 25 are coordinatedly linked to each other so that the speed control mechanism 25 is operated to a higher-rotation side as the variable-speed lever 11 is operated from its neutral position N to a higher-speed position side in an advancing variable-speed operation path F; the advancing variable-speed operation path F and a reversely advancing variable-speed operating path R are mutually connected in parallel to each other and are deviated in a different-level manner; and a sub-advancing variable-speed operating path F' which is transferrable by a straight-line moving operation to an advancing direction succeeding from the neutral position N(r) of the reversely advancing variable-speed operating path R is collocated on the lateral side of the lower-speed region portion of the advancing variable-speed operation path F.

Paddy field working machine

PROBLEM TO BE SOLVED: To smoothly perform seedling feeding of a seedling feed belt on a seedling loading platform and transmission of the right and left movement of the seedling loading platform and simplify this transmission structure, in a seedling transplanting machine including the seedling loading platform for loading seedlings, a horizontal feeder for moving the seedling loading platform to the left and right directions, and multiple seedling planters for taking and planting the seedlings mounted on the seedling loading platformSOLUTION: A seedling transplanting machine is configured such that the drive of a rotating drive side arm 63 is transmitted to a driven side arm 65 and the driven side arm 65 is rotated by a predetermined angle, and a seedling feed belt 45 is operated and the seedlings on each seedling loading unit 46b are sent to a seedling receiving frame 49 side by a predetermined amount, when a seedling loading platform 46 is moved to the left and right movement end Also, the driven side arm 65 returns to the position before the drive when the drive side arm 63 is separated from the driven side arm 65 A connecting member 53 is disposed in the left or right one side on the basis of the left and right central part of the seedling loading platform 46, and the driven side arm 65 is disposed in the left or right other side on the basis of the left and right central part of the seedling loading platform 46SELECTED DRAWING: Figure 4

Seedling transplanting machine

PROBLEM TO BE SOLVED: To prevent the amount of charge of a battery from being greatly reduced in the state where an engine stops, while suppressing useless consumption of fuel by the engine and reducing noise.SOLUTION: A paddy working machine includes a first operation tool 53 different from a key switch, and a second operation tool 52 different from the first operation tool 53 and the key switch. Automatic engine stop processing is executed with the operation for engine stop of the first operation tool 53, and automatic engine start processing is executed with the operation for engine starting of the second operation tool 52. The power supply from a battery to each part of a machine body is maintained even after the automatic engine stop processing is executed. When a state where the automatic engine start processing is not executed continues for a set time or more after the automatic engine stop processing is executed, it is switched to an electric power cut-off state where the power supply from the battery to each part of the machine body is cut off.

Paddy working machine

A walk-behind mower (10) includes a frame (12), and a cutting unit connected to the frame and at least one cutting element. Interchangeable power unit support (42) assemblies are each adapted to support either a reciprocating engine or a battery unit (44). One of the power unit (43) assemblies is releasably connected to the frame. An electric motor (34) is provided to displace the cutting element. An output voltage generated by either the reciprocating engine or the battery unit (44) mounted on the power unit support (42) assembly energizes the electric motor (34).

Modular power source for walk-behind mower

PROBLEM TO BE SOLVED: To obtain a sulky rice transplanter enabling good seedling transplantation even at the levee side, etc., possible to leave irregularity such as trail on the surface of field by placing a roller for leveling a mud face for plantation at a specific position. SOLUTION: A ground leveling roller 21 for leveling the mud face for plantation is positioned in front of a ground-leveling float 16B of a seedling transplanter for detecting the mud face position and between a pair of right and left wheels of the traveling machine body. The ground-leveling roller 21 is preferably attached to a long supporting frame 15 extending along the lateral direction and supporting a feed case 11 of the seedling transplanter and a transmission case 14 to transmit power to the seedling planting mechanism. The ground leveling roller 21 is preferably supported in a state freely swivelable in vertical direction around a horizontal axis and forced downward with a spring force in a state to restrict the lower limit of the swiveling motion. COPYRIGHT: (C)1999,JPO

Sulky rice transplanter

PROBLEM TO BE SOLVED: To provide a paddy field implement, while capable of suppressing the useless consumption of fuel by an engine, or aiming at the reduction of noise, also capable of avoiding the wide reduction of the charging amount of a battery in a state of stopping the engine.SOLUTION: This controlling device H executing an automatic engine stopping-treatment for stopping the action of the engine 12 and an automatic engine-staring treatment for starting the engine 12 after stopping the action of the engine 12 in a state that a key switch 90 is ON-operated is constituted so that power supply to each of the parts of a machine body from the battery V after performing the automatic engine-stopping treatment is maintained, and also in the case that a state of after performing the automatic engine-stopping treatment and not executing the automatic engine-starting treatment continues at or more than a predetermined time, a power supplying state-switching treatment for switching the power-supplying state to each of the parts of the machine body from the battery V to a power-saving state of having no power consumption is executed.

Paddy field implement

PROBLEM TO BE SOLVED: To efficiently cool down a hydrostatic continuously variable transmission arranged in an engine mounted in a traveling machine body with its output shaft positioned laterally or in either of the front and the back of the engine by means of a comparatively simple and reasonable improvement. SOLUTION: Engines 23, 50 provided with a first cooling fan 41 are mounted in a traveling machine body 1 with their output shafts 23a, 50a positioned laterally, and a second cooling fan 48 is mounted to an input shaft 24a in a static hydraulic continuously variable transmission 24 transmitted and connected to the output shafts 23a, 50a via a belt type transmission mechanism 25. The cooling air flowing direction by the first cooling fan 41 and that by the second cooling fan 48 are matched with each other.

Motor unit cooling structure for working vehicle

PROBLEM TO BE SOLVED: To provide a warning device for a rice paddy working machine that can readily allow the working machine operator to recognize the detail of the warning and permits the operator to promptly notice the emergent warning whereby the prompt and suitable measure can be taken by the operator SOLUTION: This warning device is equipped with a display that can display freely rewritable characters or symbols and a controlling unit for operation of the display Further, the device has the following two warning modes: the usual warning mode in which a plurality of warning matters with occurrence of the warning factors are displayed in a prescribed order corresponding to individual warning matters and the priority warning mode in which in case of' occurrence of a preliminarily specified warning matter among the group of the warning matters, the warning display corresponding to the warning matter is displayed in preference to other warning matters and the display is continued until the warning factor of the warning matter is dissolved

Warning device for rice paddy working machine

PROBLEM TO BE SOLVED: To provide a seal part for preventing leakage of a lubricating oil easily by providing a pair of right and left vertical shaft transmission parts for axially supporting the front wheels at the lower end, elongating downward from lateral shaft transmission parts of a transmission case, and providing a lubricating oil reservoir comprising a main body part and the lateral shaft transmission parts. SOLUTION: Vertical shaft transmission parts 70 elongating downward, are provided on the ends of lateral transmission shafts 61 elongating in lateral shaft transmission parts 60 elongating on the right and left sides of a transmission case such that the rotation of each of the lateral transmission shafts 61 is transmitted to a vertical transmission shaft 74 via bevel gears 71a, 71b. The rotation of the vertical transmission shaft 74 is transmitted to a front axle 73 so as to rotate driving front wheels 1. The vertical shaft transmission part 70 comprises upper case parts 70A formed integrally with the lateral shaft transmission part 60 and rotatable lower case part 70B. The connecting part for the case parts 70A, 70B is provided at a rotatable part 70C for steering. A part of a transmission case main body above the rotatable part 70C, and the lateral shaft transmission parts 60 provide a lubricating oil reservoir. COPYRIGHT: (C)2000,JPO

Paddy field work device

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