Abstract: An extension/contraction device that is used when tensioning a wire is provided. This extension/contraction device comprises an extension/contraction device body and a power unit. The extension/contraction device body has: an outside tubular part; an inside tubular part inserted into the outside tubular part from one axial end thereof; a moving part that has a threaded shaft that passes through the outside tubular part and the inside tubular part, and a nut that is fixed to the other axial end of the inside tubular part and is screwed onto the threaded shaft; and an operating part that rotates the threaded shaft about the center axis to move the nut along the threaded shaft. The power unit is detachably attached to the extension/contraction device body. An engagement part that engages with the operating part, and a motor for rotating the engagement part, are also provided.

Abstract: The electric friction engagement device has a function of detecting a phase in a rotational direction of a drive cam when an output torque or current value of a shift motor begins to increase at a rate of increase equal to or greater than a first threshold value as a piston touch point and a function of detecting a phase in the rotational direction of the drive cam when the rate of increase becomes equal to or less than a second threshold value after exceeding the piston touch point as a clutch touch point.

Abstract: A two-speed transmission includes: a function of detecting a phase in a rotational direction of a drive cam when an output torque or current value of a shift motor starts increasing at an increase rate equal to or higher than a first threshold value, as a piston touch point, and/or a function of detecting the phase in a rotational direction of the drive cam, after exceeding the piston touch point, when the increase rate becomes equal to or less than a second threshold value, as a clutch touch point, and a function of, when switching between a high reduction ratio mode and a low reduction ratio mode, adjusting a rotation amount of the drive cam on the basis of the piston touch point and/or the clutch touch point.

Abstract: Robot includes two arms, a body, a vehicle portion, and a body position changing mechanism. Body position changing mechanism includes an elevation angle changing mechanism that supports body such that an elevation angle with respect to a vehicle portion reference plane is changeable, and an azimuth angle changing mechanism that supports elevation angle changing mechanism. Elevation angle changing mechanism includes a moving portion that is moved along a straight line parallel to the vehicle portion reference plane, a first link that includes a lower end connected to moving portion rotatably, extends in a direction forming an elevation angle with the vehicle portion reference plane, and supports body, a second link that includes an upper end connected to first link rotatably, and a link lower end support portion to which a lower end of second link is connected rotatably.

Abstract: To make a height of a robot lower than the conventional one in a posture in which the height of the robot is lowered. Robot 1 includes two arms 5, a body 12 to which two anns 5 are connected, a vehicle portion 1W that moves by rotation of wheels, and a body position changing mechanism 1B that supports body 12 such that the position of body 12 with respect to vehicle portion 1W is changeable. Body position changing mechanism 1B includes an elevation angle changing mechanism 17 that supports body 12 such that an elevation angle with respect to a vehicle portion reference plane is changeable, and an azimuth angle changing mechanism 16 that supports elevation angle changing mechanism 17.

Abstract: A robot arm includes a robot hand including a hand base to which first and second finger connection portions are connected, and a finger moving portion to move the first and second finger connection portions with respect to the hand base such that a distance between a first finger and a third finger increases or decreases. A rotation axis rotating the hand base passes through a midpoint between fingertips of the first finger and the third finger while the first finger and the third finger are perpendicular to the hand base. the robot arm includes a forearm and a wrist joint to connect the robot hand to the forearm rotatably with two rotational degrees of freedom or one rotational degree of freedom. The forearm is rotatable around a forearm rotation axis that passes through the forearm and is the rotation axis that allows the hand base to be rotated.

Abstract: A robot hand operation device through which an operator inputs an operation instruction to move a robot hand including at least three fingers includes: a main body portion held by the operator; and joysticks each being corresponded with each of the fingers of the robot hand to be operated and provided in the main body portion in a number that is the same as that of the fingers. When the operator operates each of the joysticks, the operation instruction to move the finger corresponded with the each of the joysticks is inputted, and when the operator does not operate each of the joysticks, the operation instruction to move the finger corresponded with the each of the joysticks is not inputted.

Abstract: A robot arm operation device is mounted on an upper arm, a forearm, and a hand of an operator and through which the operator inputs, by moving the robot arm operation device, an operation instruction to operate a robot arm to a control calculation device that controls the robot arm. The robot arm operation device includes: a shoulder joint angle measurement part to measure a shoulder joint measurement angle being an angle at which an upper arm structure is connected to an arm connection structure at a shoulder measurement joint; an elbow joint angle measurement part to measure an elbow joint measurement angle being an angle at which a forearm structure is connected to the upper arm structure; and a wrist joint angle measurement part to measure a wrist joint measurement angle being an angle at which a hand structure is connected to the forearm structure.

Abstract: A rotation connecting mechanism includes: a joint that connects a second member rotatably to a first member with three rotational degrees of freedom; a first link and a third link in each of which one end is attached rotatably to second member with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, each of first link and third link having a variable length and five rotational degrees of freedom; a second link in which one end is attached rotatably to first link with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, second link having a variable length and five rotational degrees of freedom; and motors that generate force changing lengths of the three links.

Abstract: A robot arm operation device is mounted on an upper arm, a forearm, and a hand of an operator and through which the operator inputs, by moving the robot arm operation device, an operation instruction to operate a robot arm to a control calculation device that controls the robot arm. The robot arm operation device includes: a shoulder joint angle measurement part to measure a shoulder joint measurement angle being an angle at which an upper arm structure is connected to an arm connection structure at a shoulder measurement joint; an elbow joint angle measurement part to measure an elbow joint measurement angle being an angle at which a forearm structure is connected to the upper arm structure; and a wrist joint angle measurement part to measure a wrist joint measurement angle being an angle at which a hand structure is connected to the forearm structure.

Abstract: A robot arm includes a robot hand including a hand base to which first and second finger connection portions are connected, and a finger moving portion to move the first and second finger connection portions with respect to the hand base such that a distance between a first finger and a third finger increases or decreases. A rotation axis rotating the hand base passes through a midpoint between fingertips of the first finger and the third finger while the first finger and the third finger are perpendicular to the hand base. the robot arm includes a forearm and a wrist joint to connect the robot hand to the forearm rotatably with two rotational degrees of freedom or one rotational degree of freedom. The forearm is rotatable around a forearm rotation axis that passes through the forearm and is the rotation axis that allows the hand base to be rotated.

Abstract: A robot hand operation device through which an operator inputs an operation instruction to move a robot hand including at least three fingers includes: a main body portion held by the operator; and joysticks each being corresponded with each of the fingers of the robot hand to be operated and provided in the main body portion in a number that is the same as that of the fingers. When the operator operates each of the joysticks, the operation instruction to move the finger corresponded with the each of the joysticks is inputted, and when the operator does not operate each of the joysticks, the operation instruction to move the finger corresponded with the each of the joysticks is not inputted.

Abstract: A robot hand includes a first finger, a third finger disposed to face the first finger, a second finger disposed side by side with the third finger, a first finger connection portion to which the first finger is connected rotatably, a second finger connection portion to which the second finger is connected rotatably and to which the third finger is connected rotatably, a hand base to which the first finger connection portion and the second finger connection portion are connected, and a finger moving portion that moves at least one of the first finger connection portion and the second finger connection portion with respect to the hand base such that a distance between the first finger and the third finger increases or decreases.

Abstract: A backlight unit of the present disclosure includes: a backlight including a plurality of light-emitting devices that are allowed to emit light at mutually different timings and include a first light-emitting device and a second light-emitting device; and a controller that controls a light emission operation of the backlight to cause the first light-emitting device and the second light-emitting device to emit light with mutually different average light emission intensities in a first sub-frame period of a plurality of sub-frame periods provided corresponding to a frame period.

Abstract: A robot hand includes a first finger, a third finger disposed to face the first finger, a second finger disposed side by side with the third finger, a first finger connection portion to which the first finger is connected rotatably, a second finger connection portion to which the second finger is connected rotatably and to which the third finger is connected rotatably, a hand base to which the first finger connection portion and the second finger connection portion are connected, and a finger moving portion that moves at least one of the first finger connection portion and the second finger connection portion with respect to the hand base such that a distance between the first finger and the third finger increases or decreases.

Abstract: A parallel link device whose height can be reduced particularly when a movable-side member is brought closer to a fixed-side member, and in which an amount of stroke of the movable-side member can be increased. Specifically, the parallel link device includes a fixed-side member, a movable-side member, six links, and slide mechanisms. Each of the six links has one end connected to the movable-side member with at least two rotational degrees of freedom, and the other end connected to the fixed-side member with at least two rotational degrees of freedom. A connection point of the other end and the fixed-side member is movable with respect to the fixed-side member. Each of the six links has five rotational degrees of freedom and a predetermined length. Each of the slide mechanisms is provided on the fixed-side member and holds the other end of the link movable within a predetermined range.

Abstract: A backlight unit of the present disclosure includes: a backlight including a plurality of light-emitting devices that are allowed to emit light at mutually different timings and include a first light-emitting device and a second light-emitting device; and a controller that controls a light emission operation of the backlight to cause the first light-emitting device and the second light-emitting device to emit light with mutually different average light emission intensities in a first sub-frame period of a plurality of sub-frame periods provided corresponding to a frame period.

Abstract: A backlight unit of the present disclosure includes: a backlight including a plurality of light-emitting devices that are allowed to emit light at mutually different timings and include a first light-emitting device and a second light-emitting device; and a controller that controls a light emission operation of the backlight to cause the first light-emitting device and the second light-emitting device to emit light with mutually different average light emission intensities in a first sub-frame period of a plurality of sub-frame periods provided corresponding to a frame period.

Abstract: An evaporated fuel processing device for a forced induction internal combustion engine according to the present invention includes: a first purge path extending from the downstream of a purge control valve to an intake pipe at the downstream of a throttle valve; and a second purge path extending from the downstream of the purge control valve to an ejector provided in a reflux pipe providing communication between the intake pipe at the downstream of a compressor and the intake pipe at the upstream of the compressor. The evaporated fuel processing device switches first control characteristic data for the first purge path and second control characteristic data for the second purge path, when the first purge path and the second purge path are switched.

Abstract: A rotation connecting mechanism includes: a joint that connects a second member rotatably to a first member with three rotational degrees of freedom; a first link and a third link in each of which one end is attached rotatably to second member with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, each of first link and third link having a variable length and five rotational degrees of freedom; a second link in which one end is attached rotatably to first link with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, second link having a variable length and five rotational degrees of freedom; and motors that generate force changing lengths of the three links.