Abstract: An electric vehicle that comprises a vehicle main body, a driving apparatus that includes a motor unit which includes a motor and a reduction gear which is attached to the motor unit, and a travel unit configured to drive by a driving force of the driving apparatus. The travel unit includes a plurality of wheels that at least includes a front wheel arranged on the side of a front end portion of the vehicle main body and a rear wheel arranged on the side of a rear end portion of the vehicle main body, and a crawler belt wound around the front wheel and the rear wheel.

Abstract: A lawn mower includes a cutter blade that cuts grass; a body portion including a housing containing the cutter blade, and a grass clippings discharge passage that discharge grass clippings cut by the cutter blade from the housing; a grass clippings container detachably attached to the body portion, and a slide device. The grass clippings discharge passage includes an upstream opening connected to the housing, and a downstream opening for ejecting grass clippings to outside of the body portion. The grass clippings container includes an opening opened toward the body portion and connected to the body portion, an end surface facing the opening, and a side surface extending from the opening to the end surface. The slide device adjusts a distance between the downstream opening of the grass clippings discharge passage and the end surface of the grass clipping container.

Abstract: A lawn mower includes a cutter blade that cuts grass, a body portion including a housing containing the cutter blade, and a grass clippings discharge passage that discharges grass clippings cut by the cutler blade from the housing, a grass clippings container that contain grass clippings, and an opening degree adjust valve. The grass clippings discharge passage includes an upstream opening connected to the housing, and a downstream opening for ejecting grass clippings to outside of the body portion. The opening degree adjust valve is provided at the downstream opening of the grass clippings discharge passage and adjusts an opening degree of the downstream opening.

Abstract: A lawn mower (10) includes a rotating shaft (16) that is connected to a lawn mowing motor (17) and extends in a substantially vertical direction; a blade (15) that rotates integrally with the rotating shaft (16); and a housing (18) that rotatably accommodates the blade (15) and has an open bottom. The housing (18) is provided with a grindstone (32) capable of coming into contact with the blade (15) from below the blade (15), and the grindstone (32) is capable of moving between a maintenance position where the grindstone is capable of coining into contact with the blade (15) and a standby position where the grindstone is not capable of coming into contact with the blade (15).

Abstract: A lawn mower includes: a rotation shaft coupled to a power source and extending in an approximately vertical direction; a blade configured to rotate integrally with the rotation shaft; and a housing having a downward opening and accommodating the blade such that the blade is rotatable; and a maintenance tool provided on the housing, the maintenance tool being contactable with the blade from the above. A cutting portion of the blade is capable of moving between a maintenance position at which the cutting portion is contactable with the maintenance tool and an operating position at which the cutting portion mows a lawn.

Abstract: A speed reduction mechanism comprises an output shaft and a plurality of gears. The output shaft is arranged on the same axis as an input shaft. The plurality of gears transmit a driving force input to the input shaft to the output shaft. The plurality of gears include an input gear provided on the input shaft, an output gear provided on the output shaft, and a plurality of transmission gears arranged side by side in a circumferential direction of the input shaft.

Abstract: A driving apparatus 100 includes a motor 20 that generates drive power and power transmission units 30, 40, and 50 that transmit drive power of the motor 20 to an output shaft 60. The power transmission units 30, 40, and 50 include a clutch mechanism 30 that switches between a state where the motor 20 and the output shaft 60 are connected and a state where the motor 20 and the output shaft 60 are disconnected, and a brake mechanism 40 that brakes rotation of the output shaft 60, and the clutch mechanism 30 is arranged so as to overlap the brake mechanism 40 in a radial direction.

Abstract: A driving apparatus 100 includes a motor 20 that generates drive power and power transmission units 30, 40, and 50 that transmit drive power of the motor 20 to an output shaft 60. The power transmission units 30, 40, and 50 include at least one of a clutch mechanism 30 that switches between a state where the motor 20 and the output shaft 60 are connected and a state where the motor 20 and the output shall 60 are disconnected, in accordance with movement of an operation rod 32, and a brake mechanism 40 that brakes rotation of the output shaft 60 in accordance with movement of an operation rod 43.

Abstract: A driving device includes a motor unit including a motor, and a speed reducer attached to the motor unit. The speed reducer includes a plurality of gears combined to decelerate an output of the motor, and a gear case configured to support the plurality of gears and attached to the motor unit. The gear case is selected from a plurality of types of gear cases. The plurality of types of gear cases are different from one another in an arrangement of the plurality of gears and a position of an output shaft relative to an input shaft.

Abstract: An electric vehicle that comprises a vehicle main body, a driving apparatus that includes a motor unit which includes a motor and a reduction gear which is attached to the motor unit, and a travel unit configured to drive by a driving force of the driving apparatus. The travel unit includes a plurality of wheels that at least includes a front wheel arranged on the side of a front end portion of the vehicle main body and a rear wheel arranged on the side of a rear end portion of the vehicle main body, and a crawler belt wound around the front wheel and the rear wheel.

Abstract: A driving apparatus 100 includes a motor 20 that generates drive power and power transmission units 30, 40, and 50 that transmit drive power of the motor 20 to an output shaft 60. The power transmission units 30, 40, and 50 include at least one of a clutch mechanism 30 that switches between a state where the motor 20 and the output shaft 60 are connected and a state where the motor 20 and the output shall 60 are disconnected, in accordance with movement of an operation rod 32, and a brake mechanism 40 that brakes rotation of the output shaft 60 in accordance with movement of an operation rod 43.

Abstract: A driving apparatus 100 includes a motor 20 that generates drive power and power transmission units 30, 40, and 50 that transmit drive power of the motor 20 to an output shaft 60. The power transmission units 30, 40, and 50 include a clutch mechanism 30 that switches between a state where the motor 20 and the output shaft 60 are connected and a state where the motor 20 and the output shaft 60 are disconnected, and a brake mechanism 40 that brakes rotation of the output shaft 60, and the clutch mechanism 30 is arranged so as to overlap the brake mechanism 40 in a radial direction.

Abstract: A driving apparatus 100 includes a motor 20 that generates drive power and power transmission units 30, 40, and 50 that transmit drive power of the motor 20 to an output shaft 60. The power transmission units 30, 40, and 50 include a brake mechanism 40 that brakes rotation of the output shaft 60 and a deceleration mechanism 50 that converts a torque of the motor 20, and transmits a resultant to the output shaft 60, and the brake mechanism 40 is arranged at a part before the deceleration mechanism 50, and the deceleration mechanism 50 is arranged at a part before the output shaft 60.

Abstract: There is provided with a speed reduction mechanism. An output shaft is arranged on the same axis as an input shaft. A plurality of gears transmit a driving force input to the input shaft to the output shaft. The plurality of gears include an input gear provided on the input shaft, an output gear provided on the output shaft, and a plurality of transmission gears arranged side by side in a circumferential direction of the input shaft.

Abstract: A lawn mower includes a cutter blade that cuts grass, a body portion including a housing containing the cutter blade, and a grass clippings discharge passage that discharges grass clippings cut by the cutler blade from the housing, a grass clippings container that contain grass clippings, and an opening degree adjust valve. The grass clippings discharge passage includes an upstream opening connected to the housing, and a downstream opening for ejecting grass clippings to outside of the body portion. The opening degree adjust valve is provided at the downstream opening of the grass clippings discharge passage and adjusts an opening degree of the downstream opening.

Abstract: A lawn mower includes a cutter blade that cuts grass; a body portion including a housing containing the cutter blade, and a grass clippings discharge passage that discharge grass clippings cut by the cutter blade from the housing; a grass clippings container detachably attached to the body portion, and a slide device. The grass clippings discharge passage includes an upstream opening connected to the housing, and a downstream opening for ejecting grass clippings to outside of the body portion. The grass clippings container includes an opening opened toward the body portion and connected to the body portion, an end surface facing the opening, and a side surface extending from the opening to the end surface. The slide device adjusts a distance between the downstream opening of the grass clippings discharge passage and the end surface of the grass clipping container.

Abstract: A lawn mower includes: a rotation shaft coupled to a power source and extending in an approximately vertical direction a blade configured to rotate integrally with the rotation shaft and a housing having a downward opening and accommodating the blade such that the blade is rotatable; and a maintenance tool provided on the housing, the maintenance tool being contactable with the blade from the above. A cutting portion of the blade is capable of moving between a maintenance position at which the cutting portion is contactable with the maintenance tool and an operating position at which the cutting portion mows a lawn.

Abstract: A handlebar for a working machine, comprising a handlebar body, a first rotation mechanism configured to rotate the handlebar body in a first direction, and a second rotation mechanism configured to rotate the handlebar body in a second direction crossing the first direction, wherein the handlebar body is fixed to the second rotation mechanism so as to be rotatable in the second direction, and the second rotation mechanism is fixed to the first rotation mechanism so as to be rotatable in the first direction.

Abstract: A driving device includes a motor unit including a motor, and a speed reducer attached to the motor unit. The speed reducer includes a plurality of gears combined to decelerate an output of the motor, and a gear case configured to support the plurality of gears and attached to the motor unit. The gear case is selected from a plurality of types of gear cases. The plurality of types of gear cases are different from one another in an arrangement of the plurality of gears and a position of an output shaft relative to an input shaft.

Abstract: A transmission has a movable transmission part movably connected to a fixed transmission part via a shaft to undergo pivotal movement relative to the fixed transmission part about an axis of the shaft. Each of the transmission parts has a hollow cylindrical connecting portion through which the shaft extends. One of the connecting portion of the movable transmission part and the connecting portion of the fixed transmission part is received in the other of the connecting portions with a single seal member disposed therebetween so that an internal space of the fixed transmission part and an internal space of the movable transmission part communicate with each other to thereby form a single hermetically-sealed space for holding therein a lubricating oil.