Kubota Patente

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One or more example embodiments of the present invention include an electric device (20), electric circuitry (21) electrically connected to the electric device (20), battery packs (22) to be connected to the electric device (20) via the electric circuitry (21), and a controller (23). The controller (23) is configured or programmed to, in the driving mode, if a voltage difference between the battery packs (22) is greater than a predetermined reference, connect one of the battery packs (22) that has a highest voltage to the electric device (20) to drive the electric device (20).

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A riding grass mower comprises: a chassis frame (10) supported by a pair of left and right front wheels (11) and a pair of left and right back wheels (12); a rear discharge type of mower device (4) arrangeable underneath the chassis frame (10), in a space between the front wheels (11) and the back wheels (12) in a front-back direction; and a toolbox (5) provided between the pair of left and right back wheels (12), behind the mower device (4).

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An object of the present teaching is to provide a pipe support device that enables easy installation of a pipe in a trench and easy retrieval from the trench. A pipe support device 1 includes a main body 10 that allows placement of a pipe 90 thereon and a pair of stoppers 20 provided on the main body 10 for positioning the pipe 90 on the main body 10, and is disposed in an excavated trench 77 and is configured to support the pipe 90 in the trench 77. The main body 10 and the pair of stoppers 20 of the pipe support device 1 each have an internal space S therein into which a fluid F is injectable and from which the fluid F is dischargeable, and are configured to expand by injection of the fluid F into the internal space S and to contract by discharge of the fluid F from the internal space S.

A work vehicle includes a first anti-vibration mount (21) and a second anti-vibration mount (22) with which a muffler (17) is attached to an attachment target while being oriented with its longitudinal direction (A1) extending along a horizontal plane. The first anti-vibration mount (21) is located on a portion on one side of the muffler (17) in the longitudinal direction (A1) and on a portion on one side of the muffler (17) in an up-down direction (A2). The second anti-vibration mount (22) is located on a portion on the other side of the muffler (17) in the longitudinal direction (A1) and on a portion on the other side of the muffler (17) in the up-down direction (A2).

A work vehicle includes a pipe-shaped frame (15) provided in a body along a right-left direction and having a vent hole (15e) on at least either of a right portion and a left portion of the pipe-shaped frame (15). The work vehicle has a communicating opening (15f) provided in an intermediate portion of the pipe-shaped frame (15) in the right-left direction and allowing a cooling fan (36) and a cooling object (32) to communicate with an inside of the pipe-shaped frame (15). The cooling fan (36) is configured to cause air to be supplied to the cooling object (32) or discharged from the cooling object (32) through the vent hole (15e), the pipe-shaped frame (15), and the communicating opening (15f).

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The present application has an object to provide a housing 400 of a battery pack 40 and the battery pack 40, the battery pack 40 being capable of suppressing an influence on a component in the housing 400, even when an internal pressure rise occurs in the housing 400. The problem is solved by the housing 400 of the battery pack 40 mounted on a hybrid system 10, including the housing main body 410 having a first accommodating portion 411 accommodating a battery module 50 for supplying electricity to a motor generator 2 of the hybrid system 10 and a second accommodating portion 412 accommodating a control circuit of the battery module 50, a housing cover 420 mounted on the housing main body 410, and a partition wall part 415 provided between the first accommodating portion 411 and the second accommodating portion 412 in the housing main body 410 and partitions a space of the first accommodating portion 412 and a space of the second accommodating portion 412 from each other.

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To achieve the stable pivoting of an operation actuator. A working machine (1) includes a seat (18), an operation actuator (27) provided in a vicinity of the seat, and an armrest (28) located rearward of the operation actuator at a predetermined distance from the operation actuator. The operation actuator is configured to be gripped and pivoted in a front-rear direction (K1) by a user (57) sitting in the seat. The armrest includes a resting surface (28d) for a forearm (58) of the user to be rested on, the resting surface (28d) being a curved surface that is curved to be convex upward in a side view of the armrest and is continuous from a position forward of the apex (61) to a position rearward of the apex (61).